/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.xml.handlers.xsi;
import java.net.URI;
import java.net.URISyntaxException;
import org.geotools.xml.XSIElementHandler;
import org.geotools.xml.schema.Any;
import org.geotools.xml.schema.Element;
import org.geotools.xml.schema.ElementGrouping;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* AnyHandler purpose.
*
* <p>
* Represents an 'any' element.
* </p>
*
* @author dzwiers, Refractions Research, Inc. http://www.refractions.net
* @author $Author:$ (last modification)
* @source $URL$
* @version $Id$
*/
public class AnyHandler extends ElementGroupingHandler {
/** 'any' */
public final static String LOCALNAME = "any";
/** strict */
public static final int STRICT = 0;
/** lax */
public static final int LAX = 1;
/** skip */
public static final int SKIP = 2;
private String id;
private URI namespace;
private int minOccurs;
private int maxOccurs;
// private int processContents;
private DefaultAny cache = null;
/**
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
return (LOCALNAME.hashCode() * ((id == null) ? 1 : id.hashCode()))
+ (minOccurs * maxOccurs);
}
/**
* @see org.geotools.xml.XSIElementHandler#getHandler(java.lang.String,
* java.lang.String)
*/
public XSIElementHandler getHandler(String namespaceURI, String localName){
return null;
}
/**
* @see org.geotools.xml.XSIElementHandler#startElement(java.lang.String,
* java.lang.String, org.xml.sax.Attributes)
*/
public void startElement(String namespaceURI, String localName,
Attributes atts) throws SAXException {
id = atts.getValue("", "id");
if (id == null) {
id = atts.getValue(namespaceURI, "id");
}
String min = atts.getValue("", "minOccurs");
if (min == null) {
min = atts.getValue(namespaceURI, "minOccurs");
}
String max = atts.getValue("", "maxOccurs");
if (max == null) {
max = atts.getValue(namespaceURI, "maxOccurs");
}
String namespace1 = atts.getValue("", "namespace");
if (namespace1 == null) {
namespace1 = atts.getValue(namespaceURI, "namespace");
}
try {
if (namespace1 != null) {
if(namespace1.toLowerCase().equals("##any")){
this.namespace = Any.ALL;
}else{
if(namespace1.toLowerCase().equals("##other")){
// TODO improve this
this.namespace = Any.ALL;
}else{
if(namespace1.toLowerCase().equals("##targetNamespace")){
try{
this.namespace = new URI(namespaceURI);
} catch (URISyntaxException e) {
logger.warning(e.toString());
this.namespace = new URI(namespace1);
}
}else{
this.namespace = new URI(namespace1);
}}}
}
} catch (URISyntaxException e) {
logger.warning(e.toString());
throw new SAXException(e);
}
if ((null == min) || "".equalsIgnoreCase(min)) {
minOccurs = 1;
} else {
minOccurs = Integer.parseInt(min);
}
if ((null == max) || "".equalsIgnoreCase(max)) {
maxOccurs = 1;
} else {
if ("unbounded".equalsIgnoreCase(max)) {
maxOccurs = ElementGrouping.UNBOUNDED;
} else {
maxOccurs = Integer.parseInt(max);
}
}
}
/**
* @see org.geotools.xml.XSIElementHandler#getLocalName()
*/
public String getLocalName() {
return LOCALNAME;
}
/**
* <p>
* maps strings -> int constants for the 'process' attribute
* </p>
*
* @param process
*
*
* @throws SAXException
*/
public static int findProcess(String process) throws SAXException {
if ((process == null) || "".equalsIgnoreCase(process)) {
return STRICT;
}
if ("lax".equalsIgnoreCase(process)) {
return LAX;
}
if ("skip".equalsIgnoreCase(process)) {
return SKIP;
}
if ("strict".equalsIgnoreCase(process)) {
return STRICT;
}
throw new SAXException("Unknown Process Type: '" + process + "'");
}
/**
* <p>
* reverses the findProcess method, converting from integers to String for
* the process attribute.
* </p>
*
* @param process
*
*/
public static String writeProcess(int process) {
switch (process) {
case LAX:
return "lax";
case SKIP:
return "skip";
case STRICT:default:
return "strict";
}
}
/**
* @see org.geotools.xml.XSIHandlers.ElementGroupingHandler#compress(org.geotools.xml.XSIHandlers.SchemaHandler)
*/
protected ElementGrouping compress(SchemaHandler parent){
synchronized(this){
if (cache != null)
return cache;
cache = new DefaultAny();
}
cache.id = id;
cache.namespace = namespace;
cache.minOccurs = minOccurs;
cache.maxOccurs = maxOccurs;
id = null;
namespace = null;
return cache;
}
/**
* @see org.geotools.xml.XSIElementHandler#getHandlerType()
*/
public int getHandlerType() {
return DEFAULT;
}
/**
* @see org.geotools.xml.XSIElementHandler#endElement(java.lang.String,
* java.lang.String)
*/
public void endElement(String namespaceURI, String localName){
// do nothing
}
/**
* <p>
* Any instance implementation
* </p>
*
* @author dzwiers
*
* @see Any
*/
private static class DefaultAny implements Any {
String id;
URI namespace;
int maxOccurs;
int minOccurs;
public Element findChildElement(String name) {
//TODO look up namespace Schema and do this correctly
return null;
}
/**
* @see org.geotools.xml.xsi.Any#getId()
*/
public String getId() {
return id;
}
/**
* @see org.geotools.xml.xsi.ElementGrouping#getMaxOccurs()
*/
public int getMaxOccurs() {
return maxOccurs;
}
/**
* @see org.geotools.xml.xsi.ElementGrouping#getMinOccurs()
*/
public int getMinOccurs() {
return minOccurs;
}
/**
* @see org.geotools.xml.xsi.Any#getNamespace()
*/
public URI getNamespace() {
return namespace;
}
/**
* @see org.geotools.xml.xsi.ElementGrouping#getGrouping()
*/
public int getGrouping() {
return ANY;
}
public Element findChildElement(String localName, URI namespaceURI) {
//TODO look up namespace Schema and do this correctly
return null;
}
}
}