trunk/odfdom/src/test/java/org/odftoolkit/odfdom/utils/NodeAction.java

/************************************************************************
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * Copyright 2008, 2010 Oracle and/or its affiliates. All rights reserved.
 * 
 * Use is subject to license terms.
 * 
 * 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. You can also
 * obtain a copy of the License at http://odftoolkit.org/docs/license.txt
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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package org.odftoolkit.odfdom.utils;

import org.w3c.dom.Node;

public abstract class NodeAction<T> {
    protected abstract void apply(Node node, T arg, int depth) throws Exception;
    private int depth = 0;
    public void performAction(Node node, T arg) throws Exception {
        while (node != null) {
            apply(node, arg, depth);
            depth++;
            performAction(node.getFirstChild(), arg);
            depth--;
            node = node.getNextSibling();
        }
    }
}