/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.uima.ruta.cde.utils;
import java.util.ArrayList;
import java.util.List;
import org.apache.uima.ruta.cde.IRutaConstraint;
import org.apache.uima.ruta.cde.RutaConstraintFactory;
import org.xml.sax.Attributes;
import org.xml.sax.helpers.DefaultHandler;
public class ConstraintContentHandler extends DefaultHandler {
private List<ConstraintData> constraints = new ArrayList<ConstraintData>();
private ConstraintData current = null;
private String currentString;
public void startElement(String uri, String localName, String qName, Attributes attributes) {
if (localName.equals("constraint")) {
String type = attributes.getValue("type");
String weight = attributes.getValue("weight");
IRutaConstraint c = RutaConstraintFactory.createConstraint(type);
current = new ConstraintData(c);
current.setWeight(Integer.valueOf(weight));
}
}
public void characters(char[] ch, int start, int length) {
currentString = new String(ch, start, length);
}
public void endElement(String uri, String localName, String qName) {
if (localName.equals("constraint")) {
constraints.add(current);
} else if (localName.equals("data")) {
current.getConstraint().setData(currentString);
} else if (localName.equals("description")) {
current.getConstraint().setDescription(currentString);
}
}
public List<ConstraintData> getConstraints() {
return constraints;
}
}