gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / dynobject / impl / SimpleDynObjectEncoder.java @ 1349
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1 | 1349 | jjdelcerro | |
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2 | package org.gvsig.tools.dynobject.impl; |
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3 | |||
4 | import java.io.UnsupportedEncodingException; |
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5 | import java.net.URLDecoder; |
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6 | import java.net.URLEncoder; |
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7 | import java.util.List; |
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8 | import java.util.Map; |
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9 | import java.util.Set; |
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10 | import org.gvsig.tools.ToolsLocator; |
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11 | import org.gvsig.tools.dataTypes.DataTypes; |
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12 | import org.gvsig.tools.dynobject.DynClass; |
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13 | import org.gvsig.tools.dynobject.DynField; |
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14 | import org.gvsig.tools.dynobject.DynObject; |
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15 | import org.gvsig.tools.dynobject.DynObjectEncoder; |
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16 | |||
17 | |||
18 | public class SimpleDynObjectEncoder implements DynObjectEncoder { |
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19 | |||
20 | @Override
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21 | public String encode(DynObject value) { |
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22 | return this.encode(value, "UTF-8"); |
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23 | } |
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24 | |||
25 | @Override
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26 | public String encode(DynObject value, String charset) { |
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27 | DynClass definition = value.getDynClass(); |
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28 | StringBuilder builder = new StringBuilder(); |
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29 | builder.append(this.encodePair("_entity_", definition.getFullName(), charset)); |
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30 | for (DynField field : definition.getDynFields()) {
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31 | String name = field.getName();
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32 | Object v0 = value.getDynValue(name);
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33 | builder.append(",");
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34 | builder.append(this.encodePair(name, v0, charset));
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35 | } |
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36 | return builder.toString();
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37 | } |
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38 | |||
39 | @Override
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40 | public DynObject decode(String value) { |
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41 | String[] entries = value.split(","); |
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42 | if( entries==null || entries.length<1 ) { |
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43 | return null; |
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44 | } |
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45 | // first entry is _entity_
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46 | String[] entryEntity = entries[0].split(":"); |
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47 | DynObject output = ToolsLocator.getDynObjectManager().createDynObject(entryEntity[1].trim());
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48 | return this.decode(value, output, entries, "UTF-8"); |
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49 | } |
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50 | |||
51 | @Override
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52 | public DynObject decode(String value, DynObject output) { |
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53 | return this.decode(value, output, "UTF-8"); |
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54 | } |
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55 | |||
56 | @Override
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57 | public DynObject decode(String value, DynObject output, String charset) { |
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58 | String[] entries = value.split(","); |
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59 | if( entries==null || entries.length<1 ) { |
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60 | return null; |
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61 | } |
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62 | return this.decode(value, output, entries, "UTF-8"); |
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63 | } |
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64 | |||
65 | protected DynObject decode(String value, DynObject output, String[] entries, String charset) { |
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66 | DynClass definition = output.getDynClass(); |
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67 | for (String entry : entries) { |
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68 | String[] entryPair = entry.split(":"); |
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69 | DynField field = definition.getDynField(entryPair[0]);
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70 | if( field!=null ) { |
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71 | String name = entryPair[0]; |
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72 | String v0 = entryPair[1]; |
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73 | switch(field.getType()) {
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74 | case DataTypes.DYNOBJECT:
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75 | DynObject v1 = this.decode( this.decodeValue(v0, charset)); |
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76 | output.setDynValue(name, v0); |
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77 | break;
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78 | case DataTypes.ARRAY:
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79 | // TODO: encode array not implemented
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80 | break;
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81 | case DataTypes.LIST:
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82 | // TODO: encode array not implemented
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83 | break;
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84 | case DataTypes.SET:
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85 | // TODO: encode array not implemented
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86 | break;
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87 | case DataTypes.MAP:
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88 | // TODO: encode array not implemented
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89 | break;
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90 | case DataTypes.OBJECT:
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91 | // TODO: encode array not implemented
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92 | break;
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93 | default:
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94 | output.setDynValue(name, this.decodeValue(v0, charset) );
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95 | break;
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96 | } |
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97 | } |
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98 | } |
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99 | return output;
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100 | } |
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101 | |||
102 | @Override
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103 | public String encodePair(String name, Object value) { |
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104 | return this.encodePair(name, value, "UTF-8"); |
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105 | } |
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106 | |||
107 | @Override
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108 | public String encodePair(String name, Object value, String charset) { |
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109 | if( value == null ) { |
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110 | return name + ":"; |
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111 | |||
112 | } else if( value instanceof DynObject ) { |
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113 | return name + ":" + this.encodeValue(this.encode((DynObject) value, charset)); |
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114 | |||
115 | } else if( value instanceof List ) { |
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116 | // TODO: encode of List not implemented
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117 | return name + ":"; |
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118 | |||
119 | } else if( value instanceof Map ) { |
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120 | // TODO: encode of Map not implemented
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121 | return name + ":"; |
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122 | |||
123 | } else if( value instanceof Set ) { |
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124 | // TODO: encode of Set not implemented
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125 | return name + ":"; |
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126 | |||
127 | } else if( value.getClass().isArray() ) { |
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128 | // TODO: encode of array not implemented
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129 | return name + ":"; |
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130 | |||
131 | } else {
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132 | return name + ":" + this.encodeValue(value.toString(), charset); |
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133 | } |
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134 | } |
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135 | |||
136 | @Override
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137 | public String encodeValue(String value) { |
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138 | return this.encodeValue(value, "UTF-8"); |
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139 | } |
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140 | |||
141 | @Override
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142 | public String encodeValue(String value, String charset) { |
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143 | try {
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144 | return URLEncoder.encode(value, charset); |
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145 | } catch (UnsupportedEncodingException ex) { |
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146 | // Do nothing
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147 | } |
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148 | return value.replace(",", "%2C"); |
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149 | } |
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150 | |||
151 | @Override
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152 | public String decodeValue(String value) { |
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153 | return this.decodeValue(value,"UTF-8"); |
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154 | } |
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155 | |||
156 | @Override
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157 | public String decodeValue(String value, String charset) { |
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158 | try {
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159 | return URLDecoder.decode(value,charset); |
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160 | } catch (UnsupportedEncodingException ex) { |
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161 | // Do nothing
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162 | } |
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163 | return value.replace("%2C",","); |
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164 | } |
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165 | |||
166 | } |