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* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.ow2.bonita.env.binding;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.ow2.bonita.env.Descriptor;
import org.ow2.bonita.env.descriptor.MapDescriptor;
import org.ow2.bonita.env.xml.WireParser;
import org.ow2.bonita.util.xml.Parse;
import org.ow2.bonita.util.xml.Parser;
import org.ow2.bonita.util.xml.XmlUtil;
import org.w3c.dom.Element;
/**
* parses a descriptor for creating a {@link java.util.Map}.
*
* See schema docs for more details.
*
* @author Tom Baeyens
* @author Guillaume Porcher (documentation)
*/
public class MapBinding extends WireDescriptorBinding {
public MapBinding() {
super("map");
}
public Object parse(Element element, Parse parse, Parser parser) {
MapDescriptor descriptor = new MapDescriptor();
String className = XmlUtil.attribute(element, "class");
if (AbstractCollectionBinding.verify(className, Map.class, parse, parser)) {
descriptor.setClassName(className);
}
Boolean isSynchronized = XmlUtil.attributeBoolean(element, "synchronized",
false, parse);
if (isSynchronized != null) {
descriptor.setSynchronized(isSynchronized.booleanValue());
}
List keyDescriptors = new ArrayList();
List valueDescriptors = new ArrayList();
List elements = XmlUtil.elements(element);
if (elements != null) {
for (Element entryElement : elements) {
if ("entry".equals(XmlUtil.getTagLocalName(entryElement))) {
// key
Element keyElement = XmlUtil.element(entryElement, "key");
Element keyDescriptorElement = (keyElement != null ? XmlUtil
.element(keyElement) : null);
Descriptor keyDescriptor = (Descriptor) parser.parseElement(
keyDescriptorElement, parse, WireParser.CATEGORY_DESCRIPTOR);
// value
Element valueElement = XmlUtil.element(entryElement, "value");
Element valueDescriptorElement = (valueElement != null ? XmlUtil
.element(valueElement) : null);
Descriptor valueDescriptor = (Descriptor) parser.parseElement(
valueDescriptorElement, parse, WireParser.CATEGORY_DESCRIPTOR);
if ((keyDescriptor != null) && (valueDescriptor != null)) {
keyDescriptors.add(keyDescriptor);
valueDescriptors.add(valueDescriptor);
} else {
parse
.addProblem("entry must have key and value element with a single descriptor as contents: "
+ XmlUtil.toString(entryElement));
}
} else {
parse.addProblem("map can only contain entry elements: "
+ XmlUtil.toString(entryElement));
}
}
}
descriptor.setKeyDescriptors(keyDescriptors);
descriptor.setValueDescriptors(valueDescriptors);
return descriptor;
}
}
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