KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > enhydra > barracuda > core > comp > renderer > xml > XMLTextRenderer


1 /*
2  * Copyright (C) 2003 Christian Cryder [christianc@granitepeaks.com]
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * $Id: XMLTextRenderer.java,v 1.12 2004/02/01 05:16:27 christianc Exp $
19  */
20 package org.enhydra.barracuda.core.comp.renderer.xml;
21
22 import java.util.*;
23
24 import org.apache.log4j.*;
25 import org.w3c.dom.*;
26 import org.w3c.dom.html.*;
27
28 import org.enhydra.barracuda.core.comp.*;
29 import org.enhydra.barracuda.core.comp.renderer.*;
30 import org.enhydra.barracuda.core.util.dom.*;
31 import org.enhydra.barracuda.plankton.*;
32
33 /**
34  * This class handles the default rendering of text into an XML view.
35  */
36 public class XMLTextRenderer extends XMLComponentRenderer {
37
38     protected static final Logger logger = Logger.getLogger(XMLTextRenderer.class.getName());
39
40     /**
41      *
42      */
43     public void renderComponent(BComponent comp, View view, ViewContext vc) throws RenderException {
44         //make sure the component is a text component
45 if (!(comp instanceof BText)) throw new NoSuitableRendererException("This renderer can only render BText components");
46         BText btext = (BText) comp;
47         Node node = view.getNode();
48         String JavaDoc text = btext.getText(); //csc_121201.1
49
50         //show what we're doing
51 if (logger.isDebugEnabled()) showNodeInterfaces(view, logger);
52
53         //first, allow the parent class to do anything it needs to
54 super.renderComponent(comp, view, vc);
55
56         //Element Interface - get the first Text child and set value
57 //----------------------
58 if (node instanceof Element) {
59             if (logger.isInfoEnabled()) logger.info("Rendering based on Element interface...");
60 //csc_121201.1 DOMUtil.getFirstText((Element) node).setData(btext.getText());
61 if (text!=null) DOMUtil.setTextInNode((Element) node, text, btext.allowMarkupInText()); //csc_121201.1
62 } else {
63             String JavaDoc errmsg = "Node does not implement Element and cannot be rendered: "+node;
64             logger.warn(errmsg);
65             throw new NoSuitableRendererException(errmsg);
66         }
67     }
68     
69 }
Popular Tags