org.fabric3.introspection.xml.composite.StatefulNamespaceContext Maven / Gradle / Ivy
/*
* Fabric3
* Copyright (c) 2009-2015 Metaform Systems
*
* 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.fabric3.introspection.xml.composite;
import javax.xml.namespace.NamespaceContext;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
/**
* A NamespaceContext used for loaded property default values specified on a component configuration.
*/
public class StatefulNamespaceContext implements NamespaceContext, Serializable {
private static final long serialVersionUID = -296391955811011867L;
private Map prefixToUri = new HashMap<>();
private Map> uriToPrefixes = new HashMap<>();
public String getNamespaceURI(String prefix) {
return prefixToUri.get(prefix);
}
public String getPrefix(String namespaceURI) {
List list = uriToPrefixes.get(namespaceURI);
if (list == null || list.isEmpty()) {
return null;
}
return list.get(0);
}
public Iterator getPrefixes(String namespaceURI) {
List list = uriToPrefixes.get(namespaceURI);
if (list == null) {
return Collections.emptyList().iterator();
}
return list.iterator();
}
public void addNamespace(String prefix, String namespaceURI) {
prefixToUri.put(prefix, namespaceURI);
List list = uriToPrefixes.get(namespaceURI);
if (list == null) {
list = new ArrayList<>();
uriToPrefixes.put(namespaceURI, list);
}
list.add(prefix);
}
}