01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * Portions Copyright Apache Software Foundation.
07: *
08: * The contents of this file are subject to the terms of either the GNU
09: * General Public License Version 2 only ("GPL") or the Common Development
10: * and Distribution License("CDDL") (collectively, the "License"). You
11: * may not use this file except in compliance with the License. You can obtain
12: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
13: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
14: * language governing permissions and limitations under the License.
15: *
16: * When distributing the software, include this License Header Notice in each
17: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
18: * Sun designates this particular file as subject to the "Classpath" exception
19: * as provided by Sun in the GPL Version 2 section of the License file that
20: * accompanied this code. If applicable, add the following below the License
21: * Header, with the fields enclosed by brackets [] replaced by your own
22: * identifying information: "Portions Copyrighted [year]
23: * [name of copyright owner]"
24: *
25: * Contributor(s):
26: *
27: * If you wish your version of this file to be governed by only the CDDL or
28: * only the GPL Version 2, indicate your decision by adding "[Contributor]
29: * elects to include this software in this distribution under the [CDDL or GPL
30: * Version 2] license." If you don't indicate a single choice of license, a
31: * recipient has the option to distribute your version of this file under
32: * either the CDDL, the GPL Version 2 or to extend the choice of license to
33: * its licensees as provided above. However, if you add GPL Version 2 code
34: * and therefore, elected the GPL Version 2 license, then the option applies
35: * only if the new code is made subject to such option by the copyright
36: * holder.
37: */
38: package org.apache.taglibs.standard.tag.el.sql;
39:
40: import java.util.Date;
41:
42: import javax.servlet.jsp.JspException;
43:
44: import org.apache.taglibs.standard.lang.support.ExpressionEvaluatorManager;
45: import org.apache.taglibs.standard.tag.common.sql.DateParamTagSupport;
46:
47: /**
48: * Subclass for the JSTL library with EL support.
49: *
50: * @author Justyna Horwat
51: */
52: public class DateParamTag extends DateParamTagSupport {
53:
54: private String valueEL;
55: private String typeEL;
56:
57: public void setValue(String valueEL) {
58: this .valueEL = valueEL;
59: }
60:
61: public void setType(String typeEL) {
62: this .typeEL = typeEL;
63: }
64:
65: public int doStartTag() throws JspException {
66: evaluateExpressions();
67: return super .doStartTag();
68: }
69:
70: //*********************************************************************
71: // Private utility methods
72:
73: // Evaluates expressions as necessary
74: private void evaluateExpressions() throws JspException {
75: if (valueEL != null) {
76: value = (Date) ExpressionEvaluatorManager.evaluate("value",
77: valueEL, Date.class, this , pageContext);
78: }
79:
80: if (typeEL != null) {
81: type = (String) ExpressionEvaluatorManager.evaluate("type",
82: typeEL, String.class, this, pageContext);
83: }
84: }
85:
86: }
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