DitaDomTreeWalker.java

/**
 * Copyright (c) 2009 DITA2InDesign project (dita2indesign.sourceforge.net)  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 net.sourceforge.dita4publishers.impl.ditabos;

import java.io.File;
import java.net.URI;

import net.sourceforge.dita4publishers.api.bos.BosException;
import net.sourceforge.dita4publishers.api.dita.DitaKeySpace;
import net.sourceforge.dita4publishers.impl.bos.BosConstructionOptions;

import org.apache.commons.logging.Log;
import org.w3c.dom.Document;

/**
 * DITA walker that operates on W3C DOMs as input.
 */
public class DitaDomTreeWalker extends DitaTreeWalkerBase  {

	/**
	 * @param log
	 * @param keySpace
	 * @param bosConstructionOptions
	 * @throws Exception
	 */
	public DitaDomTreeWalker(Log log,
			DitaKeySpace keySpace, BosConstructionOptions bosConstructionOptions) throws Exception {
		super(log, keySpace, bosConstructionOptions);
	}

	/* (non-Javadoc)
	 * @see com.reallysi.tools.dita.TreeWalker#setRootObject(java.lang.Object)
	 */
	public void setRootObject(Object rootObject) throws BosException {
		// NOTE: Not accepting URLs because URLs are too limiting--should use URIs
		if (!(rootObject instanceof Document ||
			  rootObject instanceof URI ||
			  rootObject instanceof File)) {
			throw new BosException("Unhandled root object type " + rootObject.getClass().getName());
		}	
		this.rootObject = rootObject;
		
	}

}