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: xamjadmin@users.sourceforge.net
 */
/*
 * Created on Sep 4, 2005
 */
package org.cobra_grendel.html.domimpl;

import org.cobra_grendel.util.Strings;
import org.w3c.dom.DOMException;
import org.w3c.dom.Node;
import org.w3c.dom.Text;

public class TextImpl extends CharacterDataImpl implements Text
{
    /**
	 * 
	 */
    private static final long serialVersionUID = 1L;

    public TextImpl(final int transactionId)
    {
        this("", transactionId);
    }

    public TextImpl(final String text, final int transactionId)
    {
        super(transactionId);
        this.text = text;
    }

    @Override
    protected Node createSimilarNode()
    {
        return new TextImpl(text, transactionId);
    }

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

    /*
     * (non-Javadoc)
     * 
     * @see org.xamjwg.html.domimpl.NodeImpl#getnodeName()
     */
    @Override
    public String getNodeName()
    {
        return "#text";
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.xamjwg.html.domimpl.NodeImpl#getnodeType()
     */
    @Override
    public short getNodeType()
    {
        return Node.TEXT_NODE;
    }

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

    /*
     * (non-Javadoc)
     * 
     * @see org.w3c.dom.html2.Text#getwholeText()
     */
    @Override
    public String getWholeText()
    {
        NodeImpl parent = (NodeImpl) getParentNode();
        if (parent == null)
        {
            throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "Text node has no parent");
        }
        return parent.getTextContent();
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.w3c.dom.html2.Text#isElementContentWhitespace()
     */
    @Override
    public boolean isElementContentWhitespace()
    {
        String t = text;
        return t == null || t.trim().equals("");
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.w3c.dom.html2.Text#replaceWholeText(java.lang.String)
     */
    @Override
    public Text replaceWholeText(final String content) throws DOMException
    {
        NodeImpl parent = (NodeImpl) 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.xamjwg.html.domimpl.NodeImpl#setnodeValue(java.lang.String)
     */
    @Override
    public void setNodeValue(final String nodeValue) throws DOMException
    {
        text = nodeValue;
    }

    @Override
    public void setTextContent(final String textContent) throws DOMException
    {
        text = textContent;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.w3c.dom.html2.Text#splitText(int)
     */
    @Override
    public Text splitText(final int offset) throws DOMException
    {
        NodeImpl parent = (NodeImpl) getParentNode();
        if (parent == null)
        {
            throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "Text node has no parent");
        }
        String t = 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);
        text = content1;
        TextImpl newNode = new TextImpl(content2, transactionId);
        newNode.setOwnerDocument(document);
        return (Text) parent.insertAfter(newNode, this);
    }

    @Override
    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()
                                                                                       // +
                                                                                       // "]";
    }
}