1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.custom.aliasbean;
20
21 import javax.faces.component.UIComponent;
22 import javax.faces.webapp.UIComponentELTag;
23 import javax.servlet.jsp.JspException;
24
25 import org.apache.commons.logging.Log;
26 import org.apache.commons.logging.LogFactory;
27
28 /**
29 * @author Sylvain Vieujot (latest modification by $Author: lu4242 $)
30 * @version $Revision: 664402 $ $Date: 2008-06-07 16:59:02 -0500 (Sat, 07 Jun 2008) $
31 */
32 public class AliasBeansScopeTag extends UIComponentELTag
33 {
34 private Log log = LogFactory.getLog(AliasBeansScopeTag.class);
35
36 public String getComponentType()
37 {
38 return AliasBeansScope.COMPONENT_TYPE;
39 }
40
41 public String getRendererType()
42 {
43 return null;
44 }
45
46
47 public int doStartTag() throws JspException
48 {
49 int retVal = super.doStartTag();
50
51 UIComponent comp = getComponentInstance();
52
53 if(comp instanceof AliasBeansScope)
54 {
55 ((AliasBeansScope) comp).makeAliases(getFacesContext());
56 }
57 else
58 {
59 log.warn("associated component is no aliasBeansScope");
60 }
61
62 return retVal;
63 }
64
65 public int doEndTag() throws JspException
66 {
67 UIComponent comp = getComponentInstance();
68
69 if(comp instanceof AliasBeansScope)
70 {
71 ((AliasBeansScope) comp).removeAliases(getFacesContext());
72 }
73 else
74 {
75 log.warn("associated component is no aliasBeansScope");
76 }
77
78 return super.doEndTag();
79 }
80
81 }