/*
* 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 org.apache.axiom.om.NodeUnavailableException;
import org.apache.axiom.om.OMException;
import org.apache.axiom.om.OMNode;
import org.apache.axiom.om.impl.builder.StAXBuilder;
public final class OMNodeHelper {
private OMNodeHelper() {}
public static OMNode getNextOMSibling(IChildNode node) throws OMException {
OMNode nextSibling = node.getNextOMSiblingIfAvailable();
if (nextSibling == null) {
IParentNode parent = node.getIParentNode();
if (parent != null && parent.getBuilder() != null) {
switch (parent.getState()) {
case IParentNode.DISCARDED:
((StAXBuilder)parent.getBuilder()).debugDiscarded(parent);
throw new NodeUnavailableException();
case IParentNode.INCOMPLETE:
do {
OMContainerHelper.buildNext(parent);
} while (parent.getState() == IParentNode.INCOMPLETE
&& (nextSibling = node.getNextOMSiblingIfAvailable()) == null);
}
}
}
return nextSibling;
}
}