/*
* 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.axiom.om.impl.common;
import javax.activation.DataHandler;
import javax.xml.namespace.NamespaceContext;
import javax.xml.stream.XMLStreamReader;
import org.apache.axiom.om.OMXMLStreamReader;
import org.apache.axiom.om.OMXMLStreamReaderConfiguration;
import org.apache.axiom.util.stax.wrapper.XMLStreamReaderWrapper;
/**
* {@link XMLStreamReader} wrapper that interns namespace URIs. It is used to implement the
* {@link OMXMLStreamReaderConfiguration#isNamespaceURIInterning()} option.
*/
class NamespaceURIInterningXMLStreamReaderWrapper extends XMLStreamReaderWrapper implements OMXMLStreamReader {
private NamespaceURIInterningNamespaceContextWrapper namespaceContextWrapper;
public NamespaceURIInterningXMLStreamReaderWrapper(OMXMLStreamReader parent) {
super(parent);
}
private static String intern(String s) {
return s == null ? null : s.intern();
}
public String getAttributeNamespace(int index) {
return intern(super.getAttributeNamespace(index));
}
public String getNamespaceURI() {
return intern(super.getNamespaceURI());
}
public String getNamespaceURI(int index) {
return intern(super.getNamespaceURI(index));
}
public String getNamespaceURI(String prefix) {
return intern(super.getNamespaceURI(prefix));
}
public DataHandler getDataHandler(String blobcid) {
return ((OMXMLStreamReader)getParent()).getDataHandler(blobcid);
}
public NamespaceContext getNamespaceContext() {
NamespaceContext namespaceContext = super.getNamespaceContext();
if (namespaceContextWrapper == null || namespaceContextWrapper.getParent() != namespaceContext) {
namespaceContextWrapper = new NamespaceURIInterningNamespaceContextWrapper(namespaceContext);
}
return namespaceContextWrapper;
}
public boolean isInlineMTOM() {
return ((OMXMLStreamReader)getParent()).isInlineMTOM();
}
public void setInlineMTOM(boolean value) {
((OMXMLStreamReader)getParent()).setInlineMTOM(value);
}
}