Mercurial > dive4elements > river

annotate flys-aft/src/main/java/de/intevation/db/Statements.java @ 4604:488db475613d

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Add methods to hide and show the manage projects button of the header It should be possible to show the manage projects button only if the ProjectList is hidden. Therefore add methods to allow to show and hide the button.
author Björn Ricks <bjoern.ricks@intevation.de>
date Fri, 30 Nov 2012 10:00:39 +0100
parents 79bb64f66c74
children b195fede1c3b
rev   line source
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21e49e0a2307 Add infrastructure to load SQL statements for databases.
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1 package de.intevation.db;
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2
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3 import java.util.Properties;
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4
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5 import java.io.IOException;
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6 import java.io.InputStream;
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7
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8 import org.apache.log4j.Logger;
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9
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10 import java.util.Map;
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11 import java.util.HashMap;
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12 import java.util.Enumeration;
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13
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14 public class Statements
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15 {
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16 private static Logger log = Logger.getLogger(Statements.class);
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17
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18 public static final String RESOURCE_PATH = "/sql/";
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19 public static final String COMMON_PROPERTIES = "-common.properties";
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20
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21 protected String type;
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22 protected String driver;
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23
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24 protected Map<String, SymbolicStatement> statements;
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25
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26 public Statements(String type, String driver) {
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27 this.type = type;
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28 this.driver = driver;
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29 }
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30
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31 public SymbolicStatement getStatement(String key) {
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32 return getStatements().get(key);
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33 }
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34
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35 public Map<String, SymbolicStatement> getStatements() {
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36 if (statements == null) {
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37 statements = loadStatements();
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38 }
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39 return statements;
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40 }
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41
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42 protected Map<String, SymbolicStatement> loadStatements() {
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43 Map<String, SymbolicStatement> statements =
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44 new HashMap<String, SymbolicStatement>();
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45
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46 Properties properties = loadProperties();
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47
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48 for (Enumeration<?> e = properties.propertyNames(); e.hasMoreElements();) {
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49 String key = (String)e.nextElement();
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50 String value = properties.getProperty(key);
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51 SymbolicStatement symbolic = new SymbolicStatement(value);
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52 statements.put(key, symbolic);
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53 }
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54
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55 return statements;
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56 }
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57
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58 protected String driverToProperties() {
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59 return
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60 type + "-" +
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61 driver.replace('.', '-').toLowerCase() + ".properties";
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62 }
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63
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64 protected Properties loadCommon() {
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65 Properties common = new Properties();
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66
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67 String path = RESOURCE_PATH + type + COMMON_PROPERTIES;
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68
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69 InputStream in = Statements.class.getResourceAsStream(path);
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70
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71 if (in != null) {
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72 try {
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73 common.load(in);
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74 }
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75 catch (IOException ioe) {
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76 log.error("cannot load defaults: " + path, ioe);
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77 }
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78 finally {
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79 try {
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80 in.close();
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81 }
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82 catch (IOException ioe) {
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83 }
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84 }
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85 }
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86 else {
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87 log.warn("cannot find: " + path);
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88 }
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89
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90 return common;
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91 }
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92
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93 protected Properties loadProperties() {
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94
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95 Properties common = loadCommon();
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96
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97 Properties properties = new Properties(common);
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98
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99 String path = RESOURCE_PATH + driverToProperties();
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100
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101 InputStream in = Statements.class.getResourceAsStream(path);
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102
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103 if (in != null) {
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104 try {
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105 properties.load(in);
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106 }
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107 catch (IOException ioe) {
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108 log.error("cannot load statements: " + path, ioe);
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109 }
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110 finally {
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111 try {
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112 in.close();
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113 }
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114 catch (IOException ioe) {
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115 }
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116 }
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117 }
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118 else {
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119 log.warn("cannot find: " + path);
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120 }
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121
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122 return properties;
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123 }
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124 }
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125 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org