/*
* 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.ivy.osgi.p2;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.ivy.osgi.util.DelegatingHandler;
import org.xml.sax.Attributes;
public class PropertiesParser {
static class PropertiesHandler extends DelegatingHandler {
private static final String PROPERTIES = "properties";
private static final String SIZE = "size";
Map<String, String> properties;
public PropertiesHandler(String... props) {
super(PROPERTIES);
final List<String> propList = Arrays.asList(props);
addChild(new PropertyHandler(), new ChildElementHandler<PropertyHandler>() {
@Override
public void childHanlded(PropertyHandler child) {
if (propList.isEmpty() || propList.contains(child.name)) {
properties.put(child.name, child.value);
}
}
});
}
@Override
protected void handleAttributes(Attributes atts) {
int size = Integer.parseInt(atts.getValue(SIZE));
properties = new HashMap<String, String>(size);
}
}
static class PropertyHandler extends DelegatingHandler {
private static final String PROPERTY = "property";
private static final String NAME = "name";
private static final String VALUE = "value";
String name;
String value;
public PropertyHandler() {
super(PROPERTY);
}
@Override
protected void handleAttributes(Attributes atts) {
name = atts.getValue(NAME);
value = atts.getValue(VALUE);
}
}
}