Revision 53 branches/v1_9_0/libGPE-GML/src/org/gvsig/gpe/gml/parser/v2/features/FeatureCollectionBinding.java
| FeatureCollectionBinding.java | ||
|---|---|---|
| 1 | 1 |
package org.gvsig.gpe.gml.parser.v2.features; |
| 2 | 2 |
|
| 3 | 3 |
import java.io.IOException; |
| 4 |
import java.util.Map; |
|
| 5 | 4 |
|
| 6 | 5 |
import javax.xml.namespace.QName; |
| 7 | 6 |
|
| 8 | 7 |
import org.gvsig.gpe.gml.parser.GPEDefaultGmlParser; |
| 8 |
import org.gvsig.gpe.gml.parser.profiles.IBindingProfile; |
|
| 9 | 9 |
import org.gvsig.gpe.gml.utils.GMLObject; |
| 10 | 10 |
import org.gvsig.gpe.gml.utils.GMLTags; |
| 11 |
import org.gvsig.gpe.gml.utils.GMLUtilsParser; |
|
| 11 |
import org.gvsig.gpe.parser.IGPEContentHandler; |
|
| 12 |
import org.gvsig.gpe.xml.stream.EventType; |
|
| 12 | 13 |
import org.gvsig.gpe.xml.stream.IXmlStreamReader; |
| 13 | 14 |
import org.gvsig.gpe.xml.stream.XmlStreamException; |
| 14 | 15 |
import org.gvsig.gpe.xml.utils.CompareUtils; |
| ... | ... | |
| 67 | 68 |
* |
| 68 | 69 |
*/ |
| 69 | 70 |
/** |
| 70 |
* This class parses the gml objects that has a |
|
| 71 |
* gml:FeatureCollection type. Example: |
|
| 71 |
* This class parses the gml objects that has a gml:FeatureCollection type. Example: |
|
| 72 | 72 |
* <p> |
| 73 |
* |
|
| 73 | 74 |
* <pre> |
| 74 |
* <code>
|
|
| 75 |
* <code>
|
|
| 75 | 76 |
* <gml:featureCollection> |
| 76 | 77 |
* <gml:featureMember> |
| 77 | 78 |
* </gml:featureMember> |
| 78 | 79 |
* <gml:featureMember> |
| 79 | 80 |
* </gml:featureMember> |
| 80 | 81 |
* </gml:featureCollection> |
| 81 |
* </code>
|
|
| 82 |
* </code>
|
|
| 82 | 83 |
* </pre> |
| 84 |
* |
|
| 83 | 85 |
* </p> |
| 86 |
* |
|
| 84 | 87 |
* @author Jorge Piera LLodr? (jorge.piera@iver.es) |
| 85 | 88 |
*/ |
| 86 | 89 |
public class FeatureCollectionBinding {
|
| 87 |
/** |
|
| 88 |
* It parses a feature collection |
|
| 89 |
* @param parser |
|
| 90 |
* The XML parser |
|
| 91 |
* @param handler |
|
| 92 |
* The GPE parser that contains the content handler and |
|
| 93 |
* the error handler |
|
| 94 |
* @return |
|
| 95 |
* A feature |
|
| 96 |
* @throws XmlStreamException |
|
| 97 |
* @throws IOException |
|
| 98 |
*/ |
|
| 99 |
public Object parse(IXmlStreamReader parser,GPEDefaultGmlParser handler) throws XmlStreamException, IOException {
|
|
| 100 |
boolean endCollection = false; |
|
| 101 |
int currentTag; |
|
| 102 |
Object layer = null; |
|
| 103 |
//Used to finish to parse the current feature collection |
|
| 104 |
while(parser.getEventType()!= IXmlStreamReader.START_ELEMENT){
|
|
| 105 |
parser.next(); |
|
| 106 |
} |
|
| 107 |
QName layerRootType = parser.getName(); |
|
| 108 |
|
|
| 109 |
XMLAttributesIterator attributesIterator = new XMLAttributesIterator(parser); |
|
| 110 |
String fid = handler.getProfile().getFeatureTypeBinding().getID(attributesIterator.getAttributes()); |
|
| 90 |
/** |
|
| 91 |
* It parses a feature collection |
|
| 92 |
* |
|
| 93 |
* @param parser |
|
| 94 |
* The XML parser |
|
| 95 |
* @param handler |
|
| 96 |
* The GPE parser that contains the content handler and the error handler |
|
| 97 |
* @return A feature |
|
| 98 |
* @throws XmlStreamException |
|
| 99 |
* @throws IOException |
|
| 100 |
*/ |
|
| 101 |
public Object parse(IXmlStreamReader parser, GPEDefaultGmlParser handler) |
|
| 102 |
throws XmlStreamException, IOException {
|
|
| 111 | 103 |
|
| 112 |
layer = handler.getContentHandler().startLayer(fid, parser.getName().getNamespaceURI(), null, null, null, attributesIterator, null, null); |
|
| 104 |
if(!parser.getEventType().isTag()){
|
|
| 105 |
parser.nextTag(); |
|
| 106 |
} |
|
| 107 |
|
|
| 108 |
boolean endCollection = false; |
|
| 109 |
EventType currentTag; |
|
| 110 |
Object layer = null; |
|
| 113 | 111 |
|
| 114 |
QName tag = parser.getName(); |
|
| 115 |
currentTag = parser.getEventType(); |
|
| 112 |
final QName layerRootType = parser.getElementName(); |
|
| 116 | 113 |
|
| 117 |
while (!endCollection){
|
|
| 118 |
switch(currentTag){
|
|
| 119 |
case IXmlStreamReader.START_ELEMENT: |
|
| 120 |
if (CompareUtils.compareWithNamespace(tag,GMLTags.GML_NAME)){
|
|
| 121 |
parser.next(); |
|
| 122 |
handler.getContentHandler().addNameToLayer(parser.getText(), layer); |
|
| 123 |
}else if (CompareUtils.compareWithNamespace(tag,GMLTags.GML_DESCRIPTION)){
|
|
| 124 |
parser.next(); |
|
| 125 |
handler.getContentHandler().addDescriptionToLayer(parser.getText(), layer); |
|
| 126 |
}else if (CompareUtils.compareWithNamespace(tag,GMLTags.GML_BOUNDEDBY)){
|
|
| 127 |
Object bbox = handler.getProfile().getBoundedByTypeBinding(). |
|
| 128 |
parse(parser, handler); |
|
| 129 |
handler.getContentHandler().addBboxToLayer(bbox, layer); |
|
| 130 |
}else if (CompareUtils.compareWithNamespace(tag,GMLTags.GML_FEATUREMEMBER)){
|
|
| 131 |
GMLObject object = (GMLObject)handler.getProfile().getFeatureMemberTypeBinding(). |
|
| 132 |
parse(parser, handler); |
|
| 133 |
|
|
| 134 |
if (object != null){
|
|
| 135 |
if (GMLObject.FEATURE == object.getType()){
|
|
| 136 |
handler.getContentHandler().addFeatureToLayer(object.getObject(), layer); |
|
| 137 |
}else{
|
|
| 138 |
handler.getContentHandler().addParentLayerToLayer(layer, object.getObject()); |
|
| 139 |
} |
|
| 140 |
} |
|
| 141 |
}else if (CompareUtils.compareWithNamespace(tag,GMLTags.GML_FEATUREMEMBERS)){
|
|
| 142 |
handler.getProfile().getFeatureMembersTypeBinding(). |
|
| 143 |
parse(parser, handler, layer); |
|
| 144 |
}else{
|
|
| 145 |
if (!(CompareUtils.compareWithNamespace(layerRootType,tag))){
|
|
| 146 |
//Feature members |
|
| 147 |
GMLObject object =(GMLObject)handler.getProfile().getFeatureTypeBinding().parse(parser, handler); |
|
| 148 |
handler.getContentHandler().addFeatureToLayer(object.getObject(), layer); |
|
| 149 |
} |
|
| 150 |
} |
|
| 151 |
break; |
|
| 152 |
case IXmlStreamReader.END_ELEMENT: |
|
| 153 |
if (CompareUtils.compareWithNamespace(tag,layerRootType)){
|
|
| 154 |
endCollection = true; |
|
| 155 |
handler.getContentHandler().endLayer(layer); |
|
| 156 |
} |
|
| 157 |
break; |
|
| 158 |
case IXmlStreamReader.CHARACTERS: |
|
| 114 |
XMLAttributesIterator attributesIterator = new XMLAttributesIterator(parser); |
|
| 115 |
final IBindingProfile profile = handler.getProfile(); |
|
| 116 |
String fid = profile.getFeatureTypeBinding().getID( |
|
| 117 |
attributesIterator.getAttributes()); |
|
| 159 | 118 |
|
| 160 |
break; |
|
| 161 |
case IXmlStreamReader.END_DOCUMENT: |
|
| 162 |
endCollection = true; |
|
| 163 |
break; |
|
| 164 |
} |
|
| 165 |
if (!endCollection){
|
|
| 166 |
currentTag = parser.next(); |
|
| 167 |
tag = parser.getName(); |
|
| 168 |
} |
|
| 169 |
} |
|
| 170 |
return layer; |
|
| 171 |
} |
|
| 119 |
final IGPEContentHandler contentHandler = handler.getContentHandler(); |
|
| 120 |
layer = contentHandler.startLayer(fid, layerRootType.getNamespaceURI(), |
|
| 121 |
null, null, null, attributesIterator, null, null); |
|
| 122 |
|
|
| 123 |
QName tag = parser.getElementName(); |
|
| 124 |
currentTag = parser.getEventType(); |
|
| 125 |
|
|
| 126 |
while (!endCollection) {
|
|
| 127 |
switch (currentTag.getCode()) {
|
|
| 128 |
case EventType.START_ELEMENT_CODE: |
|
| 129 |
if (CompareUtils.compareWithNamespace(tag, GMLTags.GML_NAME)) {
|
|
| 130 |
parser.next(); |
|
| 131 |
contentHandler.addNameToLayer(parser.getText(), layer); |
|
| 132 |
} else if (CompareUtils.compareWithNamespace(tag, GMLTags.GML_DESCRIPTION)) {
|
|
| 133 |
parser.next(); |
|
| 134 |
contentHandler.addDescriptionToLayer(parser.getText(), layer); |
|
| 135 |
} else if (CompareUtils.compareWithNamespace(tag, GMLTags.GML_BOUNDEDBY)) {
|
|
| 136 |
Object bbox = profile.getBoundedByTypeBinding().parse(parser, |
|
| 137 |
handler); |
|
| 138 |
contentHandler.addBboxToLayer(bbox, layer); |
|
| 139 |
} else if (CompareUtils.compareWithNamespace(tag, GMLTags.GML_FEATUREMEMBER)) {
|
|
| 140 |
GMLObject object = (GMLObject) profile |
|
| 141 |
.getFeatureMemberTypeBinding().parse(parser, handler); |
|
| 142 |
|
|
| 143 |
if (object != null) {
|
|
| 144 |
if (GMLObject.FEATURE == object.getType()) {
|
|
| 145 |
contentHandler |
|
| 146 |
.addFeatureToLayer(object.getObject(), layer); |
|
| 147 |
} else {
|
|
| 148 |
contentHandler.addParentLayerToLayer(layer, |
|
| 149 |
object.getObject()); |
|
| 150 |
} |
|
| 151 |
} |
|
| 152 |
} else if (CompareUtils.compareWithNamespace(tag, GMLTags.GML_FEATUREMEMBERS)) {
|
|
| 153 |
profile.getFeatureMembersTypeBinding().parse(parser, handler, |
|
| 154 |
layer); |
|
| 155 |
} else {
|
|
| 156 |
if (!(CompareUtils.compareWithNamespace(layerRootType, tag))) {
|
|
| 157 |
// Feature members |
|
| 158 |
GMLObject object = (GMLObject) profile.getFeatureTypeBinding() |
|
| 159 |
.parse(parser, handler); |
|
| 160 |
contentHandler.addFeatureToLayer(object.getObject(), layer); |
|
| 161 |
} |
|
| 162 |
} |
|
| 163 |
break; |
|
| 164 |
case EventType.END_ELEMENT_CODE: |
|
| 165 |
if (CompareUtils.compareWithNamespace(tag, layerRootType)) {
|
|
| 166 |
endCollection = true; |
|
| 167 |
contentHandler.endLayer(layer); |
|
| 168 |
} |
|
| 169 |
break; |
|
| 170 |
case EventType.END_DOCUMENT_CODE: |
|
| 171 |
endCollection = true; |
|
| 172 |
break; |
|
| 173 |
} |
|
| 174 |
if (!endCollection) {
|
|
| 175 |
currentTag = parser.nextTag(); |
|
| 176 |
tag = parser.getElementName(); |
|
| 177 |
} |
|
| 178 |
} |
|
| 179 |
return layer; |
|
| 180 |
} |
|
| 172 | 181 |
} |
Also available in: Unified diff