TextImpl.java

/*
 * GNU LESSER GENERAL PUBLIC LICENSE Copyright (C) 2006 The Lobo Project
 * 
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 * 
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 * 
 * Contact info: lobochief@users.sourceforge.net
 */
/*
 * Created on Sep 4, 2005
 */
package com.nvarghese.beowulf.common.cobra.html.domimpl;

import org.w3c.dom.DOMException;
import org.w3c.dom.Node;
import org.w3c.dom.Text;

import com.nvarghese.beowulf.common.cobra.util.Strings;

public class TextImpl extends CharacterDataImpl implements Text {

	public TextImpl() {

		this("");
	}

	public TextImpl(String text) {

		this.text = text;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.w3c.dom.html2.Text#isElementContentWhitespace()
	 */
	public boolean isElementContentWhitespace() {

		String t = this.text;
		return t == null || t.trim().equals("");
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.w3c.dom.html2.Text#replaceWholeText(java.lang.String)
	 */
	public Text replaceWholeText(String content) throws DOMException {

		NodeImpl parent = (NodeImpl) this.getParentNode();
		if (parent == null) {
			throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "Text node has no parent");
		}
		return parent.replaceAdjacentTextNodes(this, content);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.w3c.dom.html2.Text#splitText(int)
	 */
	public Text splitText(int offset) throws DOMException {

		NodeImpl parent = (NodeImpl) this.getParentNode();
		if (parent == null) {
			throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "Text node has no parent");
		}
		String t = this.text;
		if (offset < 0 || offset > t.length()) {
			throw new DOMException(DOMException.INDEX_SIZE_ERR, "Bad offset: " + offset);
		}
		String content1 = t.substring(0, offset);
		String content2 = t.substring(offset);
		this.text = content1;
		TextImpl newNode = new TextImpl(content2);
		newNode.setOwnerDocument(this.document);
		return (Text) parent.insertAfter(newNode, this);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.w3c.dom.html2.Text#getwholeText()
	 */
	public String getWholeText() {

		NodeImpl parent = (NodeImpl) this.getParentNode();
		if (parent == null) {
			throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "Text node has no parent");
		}
		return parent.getTextContent();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.xamjwg.html.domimpl.NodeImpl#getlocalName()
	 */
	public String getLocalName() {

		return null;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.xamjwg.html.domimpl.NodeImpl#getnodeName()
	 */
	public String getNodeName() {

		return "#text";
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.xamjwg.html.domimpl.NodeImpl#getnodeType()
	 */
	public short getNodeType() {

		return Node.TEXT_NODE;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.xamjwg.html.domimpl.NodeImpl#getnodeValue()
	 */
	public String getNodeValue() throws DOMException {

		return this.text;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.xamjwg.html.domimpl.NodeImpl#setnodeValue(java.lang.String)
	 */
	public void setNodeValue(String nodeValue) throws DOMException {

		this.text = nodeValue;
	}

	public void setTextContent(String textContent) throws DOMException {

		this.text = textContent;
	}

	protected Node createSimilarNode() {

		return new TextImpl(this.text);
	}

	public String toString() {

		String text = this.text;
		int textLength = text == null ? 0 : text.length();
		return "#text[length=" + textLength + ",value=\"" + Strings.truncate(text, 64) + /*
																						 * "\",renderState="
																						 * +
																						 * this
																						 * .
																						 * getRenderState
																						 * (
																						 * )
																						 * +
																						 */"]";
	}
}