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Java > Open Source Codes > com > caucho > xsl > StreamTransformerImpl


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.xsl;
30
31 import com.caucho.vfs.WriteStream;
32
33 import org.w3c.dom.Node JavaDoc;
34 import org.w3c.dom.Text JavaDoc;
35 import org.xml.sax.SAXException JavaDoc;
36
37 import javax.xml.transform.TransformerException JavaDoc;
38 import java.io.IOException JavaDoc;
39 import java.io.InputStream JavaDoc;
40 import java.io.OutputStream JavaDoc;
41
42 public class StreamTransformerImpl extends TransformerImpl {
43   StreamTransformerImpl(StylesheetImpl stylesheet)
44   {
45     super(stylesheet);
46   }
47
48   public Object JavaDoc getProperty(String JavaDoc name)
49   {
50     if (name.equals(LINE_MAP))
51       return _lineMap;
52     else
53       return super.getProperty(name);
54   }
55   
56   public void transform(InputStream JavaDoc source, OutputStream JavaDoc os)
57     throws SAXException JavaDoc, IOException JavaDoc, TransformerException JavaDoc
58   {
59     transform(parseDocument(source, null), os);
60   }
61   
62   public void transform(String JavaDoc systemId, OutputStream JavaDoc os)
63     throws SAXException JavaDoc, IOException JavaDoc, TransformerException JavaDoc
64   {
65     transform(parseDocument(systemId), os);
66   }
67   
68   public void transformString(String JavaDoc source, OutputStream JavaDoc os)
69     throws SAXException JavaDoc, IOException JavaDoc, TransformerException JavaDoc
70   {
71     transform(parseStringDocument(source, null), os);
72   }
73   
74   private void printText(WriteStream out, Node JavaDoc top)
75     throws IOException JavaDoc
76   {
77     for (; top != null; top = top.getNextSibling()) {
78       if (top instanceof Text JavaDoc)
79     out.print(top.getNodeValue());
80       else
81     printText(out, top.getFirstChild());
82     }
83   }
84 }
85
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