gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / dynobject / impl / SimpleDynObjectEncoder.java @ 1419
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package org.gvsig.tools.dynobject.impl; |
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import java.io.UnsupportedEncodingException; |
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import java.net.URLDecoder; |
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import java.net.URLEncoder; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.DataTypes; |
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import org.gvsig.tools.dynobject.DynClass; |
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import org.gvsig.tools.dynobject.DynField; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.dynobject.DynObjectEncoder; |
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public class SimpleDynObjectEncoder implements DynObjectEncoder { |
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@Override
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public String encode(DynObject value) { |
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return this.encode(value, "UTF-8"); |
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} |
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@Override
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public String encode(DynObject value, String charset) { |
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DynClass definition = value.getDynClass(); |
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StringBuilder builder = new StringBuilder(); |
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builder.append(this.encodePair("_entity_", definition.getFullName(), charset)); |
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for (DynField field : definition.getDynFields()) {
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String name = field.getName();
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Object v0 = value.getDynValue(name);
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builder.append(",");
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builder.append(this.encodePair(name, v0, charset));
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} |
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return builder.toString();
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} |
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@Override
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public DynObject decode(String value) { |
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String[] entries = value.split(","); |
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if( entries==null || entries.length<1 ) { |
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return null; |
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} |
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// first entry is _entity_
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String[] entryEntity = entries[0].split(":"); |
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String entityName = this.decodeValue(entryEntity[1].trim()); |
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DynObject output = ToolsLocator.getDynObjectManager().createDynObject(entityName); |
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return this.decode(value, output, entries, "UTF-8"); |
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} |
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@Override
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public DynObject decode(String value, DynObject output) { |
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return this.decode(value, output, "UTF-8"); |
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} |
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@Override
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public DynObject decode(String value, DynObject output, String charset) { |
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String[] entries = value.split(","); |
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if( entries==null || entries.length<1 ) { |
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return null; |
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} |
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return this.decode(value, output, entries, "UTF-8"); |
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} |
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protected DynObject decode(String value, DynObject output, String[] entries, String charset) { |
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DynClass definition = output.getDynClass(); |
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for (String entry : entries) { |
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String[] entryPair = entry.split(":"); |
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DynField field = definition.getDynField(entryPair[0]);
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if( field!=null ) { |
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String name = entryPair[0]; |
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String v0;
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if( entryPair.length==2 ) { |
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v0 = entryPair[1];
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} else {
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v0 = null;
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} |
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switch(field.getType()) {
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case DataTypes.DYNOBJECT:
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DynObject v1 = this.decode( this.decodeValue(v0, charset)); |
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output.setDynValue(name, v0); |
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break;
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case DataTypes.ARRAY:
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// TODO: encode array not implemented
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break;
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case DataTypes.LIST:
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// TODO: encode array not implemented
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break;
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case DataTypes.SET:
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// TODO: encode array not implemented
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break;
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case DataTypes.MAP:
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// TODO: encode array not implemented
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break;
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case DataTypes.OBJECT:
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// TODO: encode array not implemented
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break;
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default:
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output.setDynValue(name, this.decodeValue(v0, charset) );
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break;
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} |
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} |
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} |
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return output;
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} |
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@Override
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public String encodePair(String name, Object value) { |
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return this.encodePair(name, value, "UTF-8"); |
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} |
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@Override
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public String encodePair(String name, Object value, String charset) { |
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if( value == null ) { |
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return name + ":"; |
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} else if( value instanceof DynObject ) { |
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return name + ":" + this.encodeValue(this.encode((DynObject) value, charset)); |
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} else if( value instanceof List ) { |
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// TODO: encode of List not implemented
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return name + ":"; |
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} else if( value instanceof Map ) { |
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// TODO: encode of Map not implemented
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return name + ":"; |
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} else if( value instanceof Set ) { |
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// TODO: encode of Set not implemented
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return name + ":"; |
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} else if( value.getClass().isArray() ) { |
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// TODO: encode of array not implemented
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return name + ":"; |
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} else {
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return name + ":" + this.encodeValue(value.toString(), charset); |
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} |
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} |
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@Override
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public String encodeValue(String value) { |
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return this.encodeValue(value, "UTF-8"); |
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} |
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@Override
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public String encodeValue(String value, String charset) { |
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try {
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return URLEncoder.encode(value, charset); |
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} catch (UnsupportedEncodingException ex) { |
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// Do nothing
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} |
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return value.replace(",", "%2C"); |
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} |
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@Override
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public String decodeValue(String value) { |
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return this.decodeValue(value,"UTF-8"); |
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} |
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@Override
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public String decodeValue(String value, String charset) { |
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try {
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if( value == null ) { |
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return null; |
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} |
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return URLDecoder.decode(value,charset); |
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} catch (UnsupportedEncodingException ex) { |
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// Do nothing
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} |
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return value.replace("%2C",","); |
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} |
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} |