/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.bpmn2.legacy.beta1.di;
import java.util.HashSet;
import org.drools.bpmn2.legacy.beta1.di.ProcessDiagramHandler.ProcessInfo;
import org.drools.xml.BaseAbstractHandler;
import org.drools.xml.ExtensibleXmlParser;
import org.drools.xml.Handler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public abstract class ShapeHandler extends BaseAbstractHandler implements Handler {
public ShapeHandler() {
initValidParents();
initValidPeers();
this.allowNesting = true;
}
protected void initValidParents() {
this.validParents = new HashSet<Class<?>>();
this.validParents.add(ProcessInfo.class);
}
protected void initValidPeers() {
this.validPeers = new HashSet<Class<?>>();
this.validPeers.add(null);
this.validPeers.add(NodeInfo.class);
}
public Object start(final String uri, final String localName,
final Attributes attrs, final ExtensibleXmlParser parser)
throws SAXException {
parser.startElementBuilder(localName, attrs);
final String id = attrs.getValue("id");
final String eventRef = attrs.getValue(getNodeRefName());
final String height = attrs.getValue("height");
final String width = attrs.getValue("width");
final String x = attrs.getValue("x");
final String y = attrs.getValue("y");
NodeInfo nodeInfo = new NodeInfo(id, eventRef);
nodeInfo.setX(new Float(x).intValue());
nodeInfo.setY(new Float(y).intValue());
nodeInfo.setWidth(new Float(width).intValue());
nodeInfo.setHeight(new Float(height).intValue());
ProcessInfo processInfo = (ProcessInfo) parser.getParent();
processInfo.addNodeInfo(nodeInfo);
return nodeInfo;
}
protected abstract String getNodeRefName();
public Object end(final String uri, final String localName,
final ExtensibleXmlParser parser) throws SAXException {
parser.endElementBuilder();
return parser.getCurrent();
}
public Class<?> generateNodeFor() {
return NodeInfo.class;
}
public static class NodeInfo {
private String id;
private String nodeRef;
private Integer x;
private Integer y;
private Integer width;
private Integer height;
public NodeInfo(String id, String nodeRef) {
this.id = id;
this.nodeRef = nodeRef;
}
public String getId() {
return id;
}
public String getNodeRef() {
return nodeRef;
}
public Integer getX() {
return x;
}
public void setX(Integer x) {
this.x = x;
}
public Integer getY() {
return y;
}
public void setY(Integer y) {
this.y = y;
}
public Integer getWidth() {
return width;
}
public void setWidth(Integer width) {
this.width = width;
}
public Integer getHeight() {
return height;
}
public void setHeight(Integer height) {
this.height = height;
}
}
}