01: /*
02: * $Id: OfbizContentTransform.java,v 1.2 2003/09/14 05:36:47 jonesde Exp $
03: *
04: * Copyright (c) 2001-2003 The Open For Business Project - www.ofbiz.org
05: *
06: * Permission is hereby granted, free of charge, to any person obtaining a
07: * copy of this software and associated documentation files (the "Software"),
08: * to deal in the Software without restriction, including without limitation
09: * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10: * and/or sell copies of the Software, and to permit persons to whom the
11: * Software is furnished to do so, subject to the following conditions:
12: *
13: * The above copyright notice and this permission notice shall be included
14: * in all copies or substantial portions of the Software.
15: *
16: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17: * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19: * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
20: * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
21: * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
22: * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23: *
24: */
25: package org.ofbiz.content.webapp.ftl;
26:
27: import java.io.IOException;
28: import java.io.Writer;
29: import java.util.Map;
30:
31: import javax.servlet.ServletContext;
32: import javax.servlet.http.HttpServletRequest;
33: import javax.servlet.http.HttpServletResponse;
34:
35: import org.ofbiz.content.webapp.taglib.ContentUrlTag;
36:
37: import freemarker.ext.beans.BeanModel;
38: import freemarker.template.Environment;
39: import freemarker.template.TemplateModelException;
40: import freemarker.template.TemplateTransformModel;
41:
42: /**
43: * OfbizContentTransform - Freemarker Transform for content links
44: *
45: * @author <a href="mailto:jaz@ofbiz.org">Andy Zeneski</a>
46: * @version $Revision: 1.2 $
47: * @since 2.1
48: */
49: public class OfbizContentTransform implements TemplateTransformModel {
50:
51: public Writer getWriter(final Writer out, Map args) {
52: final StringBuffer buf = new StringBuffer();
53: return new Writer(out) {
54: public void write(char cbuf[], int off, int len) {
55: buf.append(cbuf, off, len);
56: }
57:
58: public void flush() throws IOException {
59: out.flush();
60: }
61:
62: public void close() throws IOException {
63: try {
64: Environment env = Environment
65: .getCurrentEnvironment();
66: BeanModel req = (BeanModel) env
67: .getVariable("request");
68: BeanModel res = (BeanModel) env
69: .getVariable("response");
70: HttpServletRequest request = (HttpServletRequest) req
71: .getWrappedObject();
72: HttpServletResponse response = (HttpServletResponse) res
73: .getWrappedObject();
74: ServletContext ctx = (ServletContext) request
75: .getAttribute("servletContext");
76:
77: // make the link
78: StringBuffer newURL = new StringBuffer();
79: ContentUrlTag.appendContentPrefix(request, newURL);
80: newURL.append(buf.toString());
81: out.write(newURL.toString());
82: } catch (TemplateModelException e) {
83: throw new IOException(e.getMessage());
84: }
85: }
86: };
87: }
88: }
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