1 /*
2 * Copyright (c) 2004, Henri Yandell
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or
6 * without modification, are permitted provided that the
7 * following conditions are met:
8 *
9 * + Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * + Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * + Neither the name of OSJava nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 package org.osjava.taglib.trail;
34
35 import java.io.IOException;
36 import java.io.StringWriter;
37
38 import javax.servlet.jsp.tagext.BodyContent;
39
40 import javax.servlet.jsp.PageContext;
41 import javax.servlet.http.HttpSession;
42
43 class JspUtils {
44
45 public static String getBody(BodyContent bodyContent) {
46 String text = null;
47 if(bodyContent != null) {
48 StringWriter body = new StringWriter();
49 try {
50 bodyContent.writeOut(body);
51 text = body.toString().trim();
52 } catch(IOException ioe) {
53 // ignore, return null is the error
54 }
55 }
56 return text;
57 }
58
59 public static BreadCrumbs getBreadCrumbs(PageContext pageContext) {
60 HttpSession session = pageContext.getSession();
61 BreadCrumbs breadcrumbs = (BreadCrumbs) session.getAttribute("org.osjava.taglib.breadcrumbs");
62 if(breadcrumbs == null) {
63 breadcrumbs = new BreadCrumbs();
64 session.setAttribute("org.osjava.taglib.breadcrumbs", breadcrumbs);
65 }
66 return breadcrumbs;
67 }
68 }
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