1 /**
2 * This file Copyright (c) 2003-2010 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.taglibs.util;
35
36 import javax.servlet.jsp.PageContext;
37 import javax.servlet.jsp.tagext.BodyTagSupport;
38
39 import org.apache.commons.lang.StringUtils;
40
41
42 /**
43 * converts a string to an object using split.
44 * @jsp.tag name="strToObj" body-content="JSP"
45 *
46 * @author Vinzenz Wyser
47 * @author Fabrizio Giustina
48 * @version $Revision $ ($Author $)
49 */
50 public class StrToObj extends BodyTagSupport {
51
52 /**
53 * Stable serialVersionUID.
54 */
55 private static final long serialVersionUID = 222L;
56
57 private String var;
58
59 private String delims;
60
61 /**
62 * name of the pageContext variable where the obj is put to
63 * @jsp.attribute required="true" rtexprvalue="false"
64 */
65 public void setVar(String var) {
66 this.var = var;
67 }
68
69 /**
70 * delimiters characters; default: "\n"
71 * @jsp.attribute required="false" rtexprvalue="false"
72 */
73 public void setDelims(String delims) {
74 this.delims = delims;
75 }
76
77 /**
78 * @see javax.servlet.jsp.tagext.Tag#doEndTag()
79 */
80 public int doEndTag() {
81 String str = getBodyContent().getString();
82 if (StringUtils.isNotEmpty(str)) {
83 String[] obj = str.split(StringUtils.defaultString(this.delims, "\n")); //$NON-NLS-1$
84 pageContext.setAttribute(this.var, obj, PageContext.PAGE_SCOPE);
85
86 }
87 else {
88 pageContext.setAttribute(this.var, StringUtils.EMPTY, PageContext.PAGE_SCOPE);
89 }
90 return EVAL_PAGE;
91 }
92
93 /**
94 * @see javax.servlet.jsp.tagext.BodyTagSupport#release()
95 */
96 public void release() {
97 this.var = null;
98 this.delims = null;
99 super.release();
100 }
101 }