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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/ArtifactDatabaseImpl.java @ 79:f69e5b87f05f

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Implementation to export artifacts as xml (applied patch from issue208 by SLT). artifacts/trunk@792 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 16 Mar 2010 16:03:06 +0000
parents d4c4c23847f5
children 8447467cef86
rev   line source
13
0d6badf6af42 Added not yet working backend to artifact database.
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1 package de.intevation.artifactdatabase;
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2
79
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3 import de.intevation.artifactdatabase.Backend.PersistentArtifact;
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4
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5 import de.intevation.artifacts.Artifact;
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6 import de.intevation.artifacts.ArtifactDatabase;
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7 import de.intevation.artifacts.ArtifactDatabaseException;
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8 import de.intevation.artifacts.ArtifactFactory;
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9 import de.intevation.artifacts.ArtifactNamespaceContext;
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10 import de.intevation.artifacts.CallContext;
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11 import de.intevation.artifacts.CallMeta;
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12 import de.intevation.artifacts.Service;
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13 import de.intevation.artifacts.ServiceFactory;
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14
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15 import java.io.IOException;
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16 import java.io.OutputStream;
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17
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18 import java.security.MessageDigest;
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19 import java.security.NoSuchAlgorithmException;
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20
75
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21 import java.util.ArrayList;
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22 import java.util.HashMap;
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23 import java.util.HashSet;
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24 import java.util.List;
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25
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26 import org.apache.commons.codec.binary.Base64;
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28 import org.apache.log4j.Logger;
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29
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30 import org.w3c.dom.Document;
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31 import org.w3c.dom.Element;
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13
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33 /**
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34 * @author Sascha L. Teichmann
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35 */
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36 public class ArtifactDatabaseImpl
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37 implements ArtifactDatabase, Id.Filter, Backend.FactoryLookup
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38 {
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39 private static Logger logger =
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40 Logger.getLogger(ArtifactDatabaseImpl.class);
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42 public static final String NO_SUCH_FACTORY =
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43 "No such factory";
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44
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45 public static final String NO_SUCH_ARTIFACT =
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46 "No such artifact";
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47
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48 public static final String NOT_IN_BACKGROUND =
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49 "Not in background";
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50
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51 public static final String INVALID_CALL_STATE =
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52 "Invalid after call state";
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53
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54 public static final String CREATION_FAILED =
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55 "Creation of artifact failed";
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56
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57 public static final String INTERNAL_ERROR =
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58 "Creation of artifact failed";
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60 public static final String NO_SUCH_SERVICE =
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61 "No such service";
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62
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63 public static final String DIGEST_ALGORITHM =
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64 "SHA-1";
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65
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66 public class CallContextImpl
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67 implements CallContext
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68 {
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69 protected PersistentArtifact artifact;
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70 protected int action;
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71 protected CallMeta callMeta;
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72 protected HashMap customValues;
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73
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74 public CallContextImpl(
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75 PersistentArtifact artifact,
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76 int action,
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77 CallMeta callMeta
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78 ) {
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79 this.artifact = artifact;
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80 this.action = action;
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81 this.callMeta = callMeta;
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82 }
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83
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84 public void afterCall(int action) {
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85 this.action = action;
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86 if (action == BACKGROUND) {
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87 addIdToBackground(artifact.getId());
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88 }
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89 }
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90
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91 public void afterBackground(int action) {
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92 if (this.action != BACKGROUND) {
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93 throw new IllegalStateException(NOT_IN_BACKGROUND);
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94 }
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95 fromBackground(artifact, action);
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96 }
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97
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98 public Object globalContext() {
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99 return context;
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100 }
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101
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102 public ArtifactDatabase getDatabase() {
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103 return ArtifactDatabaseImpl.this;
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104 }
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105
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106 public CallMeta getMeta() {
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107 return callMeta;
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108 }
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109
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110 public void postCall() {
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111 switch (action) {
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112 case NOTHING:
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113 break;
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114 case TOUCH:
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115 artifact.touch();
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116 break;
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117 case STORE:
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118 artifact.store();
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119 break;
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120 case BACKGROUND:
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121 logger.warn("BACKGROUND processing is not fully implemented, yet!");
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122 artifact.store();
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123 break;
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124 default:
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125 logger.error(INVALID_CALL_STATE + ": " + action);
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126 throw new IllegalStateException(INVALID_CALL_STATE);
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127 }
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128 }
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129
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130 public Object getContextValue(Object key) {
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131 return customValues != null
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132 ? customValues.get(key)
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133 : null;
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134 }
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135
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136 public Object putContextValue(Object key, Object value) {
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137 if (customValues == null) {
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138 customValues = new HashMap();
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139 }
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140 return customValues.put(key, value);
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141 }
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142 } // class CallContextImpl
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143
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144 public class DeferredOutputImpl
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145 implements DeferredOutput
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146 {
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147 protected PersistentArtifact artifact;
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148 protected Document format;
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149 protected CallMeta callMeta;
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150
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151 public DeferredOutputImpl() {
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152 }
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153
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154 public DeferredOutputImpl(
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155 PersistentArtifact artifact,
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156 Document format,
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157 CallMeta callMeta
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158 ) {
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159 this.artifact = artifact;
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160 this.format = format;
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161 this.callMeta = callMeta;
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162 }
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163
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164 public void write(OutputStream output) throws IOException {
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165
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166 CallContextImpl cc = new CallContextImpl(
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167 artifact, CallContext.TOUCH, callMeta);
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168
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169 try {
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170 artifact.getArtifact().out(format, output, cc);
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171 }
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172 finally {
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173 cc.postCall();
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174 }
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175 }
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176 } // class DeferredOutputImpl
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177
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178 protected String [][] factoryNamesAndDescription;
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179 protected HashMap name2factory;
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180
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181 protected String [][] serviceNamesAndDescription;
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182 protected HashMap name2service;
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183
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184 protected Backend backend;
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185 protected Object context;
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186
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187 protected byte [] exportSecret;
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188
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189 protected HashSet backgroundIds;
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190
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191 public ArtifactDatabaseImpl() {
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192 }
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193
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194 public ArtifactDatabaseImpl(FactoryBootstrap bootstrap) {
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195 this(bootstrap, null);
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196 }
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197
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198 public ArtifactDatabaseImpl(FactoryBootstrap bootstrap, Backend backend) {
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199
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200 backgroundIds = new HashSet();
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201
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202 setupArtifactFactories(bootstrap);
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203 setupServices(bootstrap);
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204
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205 context = bootstrap.getContext();
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206 exportSecret = bootstrap.getExportSecret();
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207
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208 wireWithBackend(backend);
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209 }
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210
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211 protected void setupArtifactFactories(FactoryBootstrap bootstrap) {
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212 name2factory = new HashMap();
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213
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214 ArtifactFactory [] factories = bootstrap.getArtifactFactories();
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215 factoryNamesAndDescription = new String[factories.length][];
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216
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217 for (int i = 0; i < factories.length; ++i) {
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218
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219 ArtifactFactory factory = factories[i];
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220
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221 String name = factory.getName();
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222 String description = factory.getDescription();
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223
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224 factoryNamesAndDescription[i] =
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225 new String [] { name, description };
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226
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227 name2factory.put(name, factory);
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228 }
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229 }
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230
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231 protected void setupServices(FactoryBootstrap bootstrap) {
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232
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233 name2service = new HashMap();
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234
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235 ServiceFactory [] serviceFactories =
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236 bootstrap.getServiceFactories();
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237
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238 serviceNamesAndDescription =
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239 new String[serviceFactories.length][];
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240
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241 for (int i = 0; i < serviceFactories.length; ++i) {
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242 ServiceFactory factory = serviceFactories[i];
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243
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244 String name = factory.getName();
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245 String description = factory.getDescription();
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246
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247 serviceNamesAndDescription[i] =
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248 new String [] { name, description };
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249
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250 name2service.put(
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251 name,
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252 factory.createService(bootstrap.getContext()));
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253 }
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254
41
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255 }
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256
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257 public void wireWithBackend(Backend backend) {
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258 if (backend != null) {
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259 this.backend = backend;
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260 backend.setFactoryLookup(this);
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261 }
13
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262 }
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263
32
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264 protected void fromBackground(PersistentArtifact artifact, int action) {
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265 logger.warn("BACKGROUND processing is not fully implemented, yet!");
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266 switch (action) {
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267 case CallContext.NOTHING:
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268 break;
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269 case CallContext.TOUCH:
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270 artifact.touch();
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271 break;
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272 case CallContext.STORE:
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273 artifact.store();
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274 break;
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275 default:
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276 logger.warn("operation not allowed in fromBackground");
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277 }
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278 removeIdFromBackground(artifact.getId());
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279 }
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280
32
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281 protected void removeIdFromBackground(int id) {
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282 synchronized (backgroundIds) {
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283 backgroundIds.remove(Integer.valueOf(id));
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284 }
13
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285 }
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286
32
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287 protected void addIdToBackground(int id) {
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288 synchronized (backgroundIds) {
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diff changeset
289 backgroundIds.add(Integer.valueOf(id));
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290 }
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291 }
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292
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293 public List filterIds(List ids) {
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294 int N = ids.size();
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295 ArrayList out = new ArrayList(N);
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296 synchronized (backgroundIds) {
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297 for (int i = 0; i < N; ++i) {
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298 Id id = (Id)ids.get(i);
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299 if (!backgroundIds.contains(Integer.valueOf(id.getId()))) {
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300 out.add(id);
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301 }
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302 }
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303 }
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diff changeset
304 return out;
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305 }
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306
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307 public String [][] artifactFactoryNamesAndDescriptions() {
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308 return factoryNamesAndDescription;
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309 }
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diff changeset
310
66
89e3de0ee05f Implemented some methods to get access to ArtifactFactories which are stored in the ArtifactDatabase.
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diff changeset
311 public ArtifactFactory getInternalArtifactFactory(String factoryName) {
89e3de0ee05f Implemented some methods to get access to ArtifactFactories which are stored in the ArtifactDatabase.
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diff changeset
312 return getArtifactFactory(factoryName);
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313 }
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diff changeset
314
41
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315 public ArtifactFactory getArtifactFactory(String factoryName) {
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316 return (ArtifactFactory)name2factory.get(factoryName);
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317 }
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318
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319 public Document createArtifactWithFactory(
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320 String factoryName,
75
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diff changeset
321 CallMeta callMeta,
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diff changeset
322 Document data
48
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diff changeset
323 )
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diff changeset
324 throws ArtifactDatabaseException
32
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diff changeset
325 {
41
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diff changeset
326 ArtifactFactory factory = getArtifactFactory(factoryName);
32
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diff changeset
327
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diff changeset
328 if (factory == null) {
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diff changeset
329 throw new ArtifactDatabaseException(NO_SUCH_FACTORY);
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diff changeset
330 }
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diff changeset
331
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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diff changeset
332 Artifact artifact = factory.createArtifact(
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diff changeset
333 backend.newIdentifier(),
75
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parents: 70
diff changeset
334 context,
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parents: 70
diff changeset
335 data);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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diff changeset
336
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diff changeset
337 if (artifact == null) {
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diff changeset
338 throw new ArtifactDatabaseException(CREATION_FAILED);
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diff changeset
339 }
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diff changeset
340
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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diff changeset
341 PersistentArtifact persistentArtifact;
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diff changeset
342
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diff changeset
343 try {
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diff changeset
344 persistentArtifact = backend.storeInitially(
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diff changeset
345 artifact,
41
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diff changeset
346 factory,
32
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diff changeset
347 factory.timeToLiveUntouched(artifact, context));
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diff changeset
348 }
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diff changeset
349 catch (Exception e) {
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diff changeset
350 logger.error(e.getLocalizedMessage(), e);
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diff changeset
351 throw new ArtifactDatabaseException(CREATION_FAILED);
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diff changeset
352 }
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diff changeset
353
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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diff changeset
354 CallContextImpl cc = new CallContextImpl(
48
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diff changeset
355 persistentArtifact, CallContext.NOTHING, callMeta);
32
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diff changeset
356
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diff changeset
357 try {
55
9a29899b31e5 describe() in REST interface is also handled as POST to pass
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diff changeset
358 return artifact.describe(null, cc);
32
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diff changeset
359 }
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diff changeset
360 finally {
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diff changeset
361 cc.postCall();
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diff changeset
362 }
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parents: 26
diff changeset
363 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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parents: 26
diff changeset
364
55
9a29899b31e5 describe() in REST interface is also handled as POST to pass
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diff changeset
365 public Document describe(String identifier, Document data, CallMeta callMeta)
32
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diff changeset
366 throws ArtifactDatabaseException
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diff changeset
367 {
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diff changeset
368 // TODO: Handle background tasks
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diff changeset
369 PersistentArtifact artifact = backend.getArtifact(identifier);
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parents: 26
diff changeset
370
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diff changeset
371 if (artifact == null) {
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diff changeset
372 throw new ArtifactDatabaseException(NO_SUCH_ARTIFACT);
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diff changeset
373 }
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parents: 26
diff changeset
374
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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parents: 26
diff changeset
375 CallContextImpl cc = new CallContextImpl(
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
376 artifact, CallContext.TOUCH, callMeta);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
377
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
378 try {
55
9a29899b31e5 describe() in REST interface is also handled as POST to pass
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
379 return artifact.getArtifact().describe(data, cc);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
380 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
381 finally {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
382 cc.postCall();
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
383 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
384 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
385
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
386 public Document advance(String identifier, Document target, CallMeta callMeta)
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
387 throws ArtifactDatabaseException
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
388 {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
389 // TODO: Handle background tasks
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
390 PersistentArtifact artifact = backend.getArtifact(identifier);
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
391
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
392 if (artifact == null) {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
393 throw new ArtifactDatabaseException(NO_SUCH_ARTIFACT);
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
394 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
395
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
396 CallContextImpl cc = new CallContextImpl(
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
397 artifact, CallContext.STORE, callMeta);
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
398
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
399 try {
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
400 return artifact.getArtifact().advance(target, cc);
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
401 }
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
402 finally {
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
403 cc.postCall();
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
404 }
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
405 }
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
406
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
407 public Document feed(String identifier, Document data, CallMeta callMeta)
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
408 throws ArtifactDatabaseException
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
409 {
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
410 // TODO: Handle background tasks
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
411 PersistentArtifact artifact = backend.getArtifact(identifier);
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
412
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
413 if (artifact == null) {
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
414 throw new ArtifactDatabaseException(NO_SUCH_ARTIFACT);
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
415 }
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
416
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
417 CallContextImpl cc = new CallContextImpl(
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
418 artifact, CallContext.STORE, callMeta);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
419
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
420 try {
36
f7d2cd59a0d5 Bugfix done. Now the feed Method works fine
Tim Englich <tim.englich@intevation.de>
parents: 32
diff changeset
421 return artifact.getArtifact().feed(data, cc);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
422 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
423 finally {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
424 cc.postCall();
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
425 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
426 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
427
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
428 public DeferredOutput out(String identifier, Document format, CallMeta callMeta)
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
429 throws ArtifactDatabaseException
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
430 {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
431 // TODO: Handle background tasks
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
432 PersistentArtifact artifact = backend.getArtifact(identifier);
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
433
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
434 if (artifact == null) {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
435 throw new ArtifactDatabaseException(NO_SUCH_ARTIFACT);
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
436 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
437
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
438 return new DeferredOutputImpl(artifact, format, callMeta);
13
0d6badf6af42 Added not yet working backend to artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
439 }
68
541814404822 Added interfaces for XML processing services. TODO: Implement them!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 66
diff changeset
440
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
441 public Document exportArtifact(String artifact, CallMeta callMeta)
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
442 throws ArtifactDatabaseException
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
443 {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
444 final String [] factoryName = new String[1];
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
445
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
446 byte [] bytes = (byte [])backend.loadArtifact(
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
447 artifact,
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
448 new Backend.ArtifactLoader() {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
449 public Object load(
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
450 ArtifactFactory factory,
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
451 byte [] bytes,
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
452 int id
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
453 ) {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
454 factoryName[0] = factory.getName();
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
455 return bytes;
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
456 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
457 });
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
458
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
459 if (bytes == null) {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
460 throw new ArtifactDatabaseException(NO_SUCH_ARTIFACT);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
461 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
462
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
463 return createExportDocument(
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
464 factoryName[0],
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
465 bytes,
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
466 exportSecret);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
467 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
468
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
469 protected static Document createExportDocument(
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
470 String factoryName,
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
471 byte [] artifact,
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
472 byte [] secret
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
473 ) {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
474 Document document = XMLUtils.newDocument();
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
475
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
476 MessageDigest md;
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
477 try {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
478 md = MessageDigest.getInstance(DIGEST_ALGORITHM);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
479 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
480 catch (NoSuchAlgorithmException nsae) {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
481 logger.error(nsae.getLocalizedMessage(), nsae);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
482 return document;
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
483 }
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
484
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
485 md.update(artifact);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
486 md.update(secret);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
487
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
488 String checksum = StringUtils.toHex(md.digest());
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
489
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
490 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
491 document,
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
492 ArtifactNamespaceContext.NAMESPACE_URI,
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
493 ArtifactNamespaceContext.NAMESPACE_PREFIX);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
494
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
495 Element root = ec.create("result");
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
496 document.appendChild(root);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
497
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
498 Element type = ec.create("type");
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 75
diff changeset
499 ec.addAttr(type, "name", "export");
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500 root.appendChild(type);
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501
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502 Element data = ec.create("data");
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503 ec.addAttr(data, "checksum", checksum);
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504 data.setTextContent(Base64.encodeBase64String(artifact));
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505
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506 root.appendChild(data);
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507
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508 return document;
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509 }
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510
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511 public Document importArtifact(Document data, CallMeta callMeta)
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512 throws ArtifactDatabaseException
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513 {
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514 return null;
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515 }
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516
68
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517 public String [][] serviceNamesAndDescriptions() {
70
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518 return serviceNamesAndDescription;
68
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519 }
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520
70
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521 public Document process(
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522 String serviceName,
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523 Document input,
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524 CallMeta callMeta
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525 )
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526 throws ArtifactDatabaseException
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527 {
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528 Service service = (Service)name2service.get(serviceName);
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529
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530 if (service == null) {
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531 throw new ArtifactDatabaseException(NO_SUCH_SERVICE);
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532 }
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533
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534 return service.process(input, context, callMeta);
68
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535 }
13
0d6badf6af42 Added not yet working backend to artifact database.
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536 }
79
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537 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org