zkoss/zk

/* TextNode.java

    Purpose:
        
    Description:
        
    History:
        Sat Sep 17 14:11:45     2005, Created by tomyeh

Copyright (C) 2004 Potix Corporation. All Rights Reserved.

{{IS_RIGHT
    This program is distributed under LGPL Version 2.1 in the hope that
    it will be useful, but WITHOUT ANY WARRANTY.
}}IS_RIGHT
*/
package org.zkoss.web.servlet.dsp.impl;

import java.io.IOException;

import org.zkoss.web.servlet.dsp.DspException;

/**
 * Represents a node holding a plain text.
 *
 * @author tomyeh
 */
class TextNode extends Node {
    private final String _text;

    TextNode(String text) {
        _text = text;
    }

    /** Returns the text.
     * @since 3.0.0
     */
    public String getText() {
        return _text;
    }

    //-- super --//
    void interpret(InterpretContext ic) throws DspException, IOException {
        ic.dc.getOut().write(_text);
    }

    void addChild(Node node) {
        throw new IllegalStateException("No child allowed");
    }

    public String toString() {
        return "TextNode[" + (_text.length() > 20 ? _text.substring(0, 20) : _text) + ']';
    }
}