/*
* Copyright 2011, 2012 Odysseus Software GmbH
*
* 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.apache.synapse.commons.staxon.core.json.stream.util;
import java.io.IOException;
import javax.xml.namespace.QName;
import org.apache.synapse.commons.staxon.core.json.stream.JsonStreamTarget;
public class RemoveRootTarget extends StreamTargetDelegate {
private final QName root;
private final char namespaceSeparator;
private int depth;
public RemoveRootTarget(JsonStreamTarget delegate, QName root, char namespaceSeparator) {
super(delegate);
this.root = root;
this.namespaceSeparator = namespaceSeparator;
}
@Override
public void name(String name) throws IOException {
if (depth > 1) {
super.name(name);
} else {
String localPart = name.substring(name.indexOf(namespaceSeparator) + 1);
if (!localPart.equals(root.getLocalPart())) {
throw new IOException("Unexpected root: " + name);
}
}
}
@Override
public void startObject() throws IOException {
if (depth++ > 0) {
super.startObject();
}
}
@Override
public void endObject() throws IOException {
if (--depth > 0) {
super.endObject();
}
}
}