Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/DA66Parser.java @ 4681:aa718770308e

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Less than sceleton for DA66-CrossSection parser added.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 14 Dec 2012 10:49:58 +0100
parents
children 70842db72ee4
rev   line source
4681
aa718770308e Less than sceleton for DA66-CrossSection parser added.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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1 package de.intevation.flys.importer.parsers;
aa718770308e Less than sceleton for DA66-CrossSection parser added.
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2
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3 import java.util.ArrayList;
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4 import java.util.HashMap;
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5 import java.util.Map;
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6 import java.util.List;
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7 import java.util.TreeMap;
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8
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9 import java.util.regex.Pattern;
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10 import java.util.regex.Matcher;
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11
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12 import java.io.File;
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13 import java.io.IOException;
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14
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15 import org.apache.log4j.Logger;
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16
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17 import de.intevation.flys.importer.XY;
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18
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19 import de.intevation.artifacts.common.utils.FileTools;
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20
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21
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22 /**
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23 * To create cross-sections, generate: Map<double,list<xy>> from files
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24 * in da66 format.
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25 */
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26 public class DA66Parser extends LineParser
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27 {
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28 /** Private logger. */
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29 private static Logger logger = Logger.getLogger(DA66Parser.class);
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30
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31 // TODO: Most of the Point/y/z group matches are optional!
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32 public static final Pattern LINE_PATTERN =
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33 Pattern.compile("^([0-9 -]{2})" + // Type
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34 "([0-9 -]{5})" + // unset
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35 "([0-9 -]{2})" + // id
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36 "([0-9 -]{9})" + // station
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37 "([0-9 -]{2})" + // running number
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38 "([0-9 -]{1})" + // point id
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39 /*
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40 Would be great if we could express the pattern as this:
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41 ([0-9 -]{1})([0-9 -JKMLMNOPQR]{7})([0-9 -]{7})+
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42 */
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43 "([0-9 -JKMLMNOPQR]{7})" + // y
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44 "([0-9 -]{7})" + // z
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45 "([0-9 -]{1})" + // point id
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46 "([0-9 -JKMLMNOPQR]{7})" + // y
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47 "([0-9 -]{7})" + // z
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48 "([0-9 -]{1})" + // point id
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49 "([0-9 -JKMLMNOPQR]{7})" + // y
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50 "([0-9 -]{7})" + // z
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51 "([0-9 -]{1})" + // point id
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52 "([0-9 -JKMLMNOPQR]{7})" + // y
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53 "([0-9 -]{7})" // z
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54 );
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55 //Pattern.compile("^([0-9 -]{2})");
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56
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57 private static enum Type {
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58 DATE ( 0),
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59 HEKTOSTONE_LEFT ( 1), //grm. "Standlinie"
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60 HEKTOSTONE_RIGHT ( 2),
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61 CHANNEL_LEFT ( 3), //grm. "Fahrrinne"
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62 CHANNEL_RIGHT ( 4),
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63 CHANNEL_2_LEFT ( 5),
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64 CHANNEL_2_RIGHT ( 6),
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65 GIW_1972 ( 7),
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66 GROIN_DIST_LEFT ( 8), //grm. "Buhnenkopfabstand links"
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67 GROIN_HEIGHT_LEFT ( 9),
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68 GROIN_SLOPE_LEFT (10),
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69 GROIN_DIST_RIGHT (11),
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70 GROIN_HEIGHT_RIGHT (12),
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71 GROIN_SLOPE_RIGHT (13),
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72 STRIKE_LEFT (14), //grm. "Streichlinie links"
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73 AXIS (15),
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74 STRIKE_RIGHT (16),
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75 GROIN_BACK_SLOPE_LEFT (17), //grm. "Buhnenrueckenneigung"
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76 GROIN_BACK_SLOPE_RIGHT (18),
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77 GIW_1932 (19),
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78 GIW_1982 (20),
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79 STAND_ISLAND_1 (21),
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80 STAND_ISLAND_2 (22),
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81 STAND_ISLAND_3 (23),
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82 STAND_ISLAND_4 (24),
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83 UNSPECIFIED_1 (25),
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84 UNSPECIFIED_2 (26),
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85 HHW (27),
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86 OLD_PROFILE_NULL (28),
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87 AW_1978 (29),
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88 SIGN_LEFT (30),
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89 SIGN_RIGHT (31),
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90 DIST_SIGNAL_CHANNEL_LEFT (32),
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91 DIST_SIGNAL_CHANNEL_RIGHT(33),
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92 UNSPECIFIED_3 (34),
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93 UNSPECIFIED_4 (35),
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94 UNSPECIFIED_5 (36),
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95 UNSPECIFIED_6 (37),
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96 SHORE_LEFT (38),
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97 SHORE_RIGHT (39),
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98 UNSPECIFIED_7 (40);
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99
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100 private final int id;
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101 Type(int id) {
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102 this.id = id;
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103 }
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104 public int getId() {
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105 return id;
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106 }
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107 }
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108
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109 /** Available types. */
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110 private static HashMap<Integer, Type> typeMap;
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111
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112 /** Types we can deal with. */
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113 private static List<Type> implementedTypes;
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114
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115 static {
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116 typeMap = new HashMap<Integer, Type>();
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117 for (Type t: Type.values()) {
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118 typeMap.put(new Integer(t.getId()), t);
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119 }
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120 implementedTypes = new ArrayList<Type>();
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121 //implementedTypes.add(..);
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122 }
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123
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124 public interface Callback {
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125 boolean da60Accept(File file);
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126 void da60Parsed(DA66Parser parser);
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127 } // interface Parser
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128
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129 protected Map<Double, List<XY>> data;
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130
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131
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132 public DA66Parser() {
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133 data = new TreeMap<Double, List<XY>>();
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134 }
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135
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136 public Map<Double, List<XY>> getData() {
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137 return data;
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138 }
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139
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140 public void setData(Map<Double, List<XY>> data) {
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141 this.data = data;
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142 }
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143
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144 private static final String removeExtension(String name) {
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145 int index = name.lastIndexOf('.');
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146 return index == -1
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147 ? name
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148 : name.substring(0, index);
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149 }
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150
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151 public void reset() {
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152 data.clear();
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153 }
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154
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155 public void parseDA66s(File root, final Callback callback) {
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156
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157 FileTools.walkTree(root, new FileTools.FileVisitor() {
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158 @Override
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159 public boolean visit(File file) {
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160 if (file.isFile() && file.canRead()
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161 && file.getName().toLowerCase().endsWith(".d66")
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162 && (callback == null || callback.da60Accept(file))) {
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163 reset();
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164 try {
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165 parse(file);
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166 logger.info("parsing done");
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167 if (callback != null) {
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168 callback.da60Parsed(DA66Parser.this);
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169 }
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170 }
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171 catch (IOException ioe) {
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172 logger.error("IOException while parsing file");
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173 return false;
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174 }
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175 }
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176 return true;
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177 }
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178 });
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179 }
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180
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181 // LineParser
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182 @Override
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183 protected void finish() {}
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184
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185 /** Called for each line. Try to extract info from a da66 line. */
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186 @Override
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187 protected void handleLine(int lineNum, String line) {
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188 if (line.substring(0,2).equals("00")) {
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189 logger.warn("Hit a 00");
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190 }
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191 else if (line.substring(0,2).equals("66")) {
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192 String station = line.substring(10,18);
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193 logger.info(station);
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194 Matcher m = LINE_PATTERN.matcher(line);
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195 if(m.find())
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196 logger.warn("Group1: " + m.group(1));
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197 else
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198 logger.warn("no match in " + line);
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199 //logger.warn("Hit a 66");
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200 }
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201 else if (line.substring(0,2).equals("88"))
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202 logger.warn("Hit a 88");
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203 else
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204 logger.error("Do not know how to treat da66 line.");
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205 }
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206
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207
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208 /** Parses files given as arguments. */
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209 public static void main(String [] args) {
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210
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211 DA66Parser parser = new DA66Parser();
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212
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213 logger.warn("Start Parsing files.");
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214 for (String arg: args) {
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215 parser.parseDA66s(new File(arg), null);
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216 logger.warn("Parsing a file.");
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217 }
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diff changeset
218 logger.error("Stopped Parsing files.");
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219 }
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220 }
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221 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org