org.apache.cayenne.modeler.graph.extension.EntityHandler Maven / Gradle / Ivy
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package org.apache.cayenne.modeler.graph.extension;
import java.awt.geom.Rectangle2D;
import java.util.Hashtable;
import java.util.Map;
import org.apache.cayenne.configuration.xml.NamespaceAwareNestedTagHandler;
import org.jgraph.graph.GraphConstants;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* @since 4.1
*/
class EntityHandler extends NamespaceAwareNestedTagHandler {
static final String ENTITY_TAG = "entity";
GraphHandler graphHandler;
public EntityHandler(GraphHandler parentHandler) {
super(parentHandler);
this.graphHandler = parentHandler;
}
@Override
protected boolean processElement(String namespaceURI, String localName, Attributes attributes) throws SAXException {
switch (localName) {
case ENTITY_TAG:
String name = attributes.getValue("name");
Map props = new Hashtable<>();
GraphConstants.setBounds(props,
new Rectangle2D.Double(
Double.valueOf(attributes.getValue("x")),
Double.valueOf(attributes.getValue("y")),
Double.valueOf(attributes.getValue("width")),
Double.valueOf(attributes.getValue("height"))
));
graphHandler.propertiesMap.put(name, props);
return true;
}
return false;
}
}