01: /**
02: * Copyright 2006 Webmedia Group Ltd.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: **/package org.araneaframework.jsp.tag.context;
16:
17: import java.io.Writer;
18: import org.araneaframework.jsp.tag.uilib.WidgetTag;
19:
20: /**
21: * @author Jevgeni Kabanov (ekabanov <i>at</i> araneaframework <i>dot</i> org)
22: *
23: * @jsp.tag
24: * name = "widgetContext"
25: * body-content = "JSP"
26: * description = "Initializes the widget context."
27: */
28: public class WidgetContextTag extends WidgetTag {
29:
30: /** @since 1.1 */
31: public static final String CONTEXT_WIDGET_KEY = "org.araneaframework.jsp.tag.context.WidgetContextTag.CONTEXTWIDGET";
32:
33: public int doStartTag(Writer out) throws Exception {
34: super .doStartTag(out);
35:
36: /*
37: * XXX id == null usage is deprecated -- you no longer need to put a
38: * <widgetContext> tag without an id at the top of your JSP.
39: */
40:
41: if (id != null) {
42: addContextEntry(CONTEXT_WIDGET_KEY, widget);
43: }
44:
45: return EVAL_BODY_INCLUDE;
46: }
47:
48: protected int doEndTag(Writer out) throws Exception {
49: return EVAL_PAGE;
50: }
51: }
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