01: /*
02: * Copyright 1999-2004 The Apache Software Foundation
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: */
16: package org.apache.commons.jxpath.servlet;
17:
18: import java.util.ArrayList;
19: import java.util.Enumeration;
20:
21: import org.apache.commons.jxpath.DynamicPropertyHandler;
22:
23: /**
24: * Implementation of the DynamicPropertyHandler interface that provides
25: * access to attributes of a PageScopeContext.
26: *
27: * @author Dmitri Plotnikov
28: * @version $Revision: 1.6 $ $Date: 2004/05/08 15:10:49 $
29: */
30: public class PageScopeContextHandler implements DynamicPropertyHandler {
31:
32: private static final String[] STRING_ARRAY = new String[0];
33:
34: public String[] getPropertyNames(Object pageScope) {
35: Enumeration e = ((PageScopeContext) pageScope)
36: .getAttributeNames();
37: ArrayList list = new ArrayList(16);
38: while (e.hasMoreElements()) {
39: list.add(e.nextElement());
40: }
41: return (String[]) list.toArray(STRING_ARRAY);
42: }
43:
44: public Object getProperty(Object pageScope, String property) {
45: return ((PageScopeContext) pageScope).getAttribute(property);
46: }
47:
48: public void setProperty(Object pageScope, String property,
49: Object value) {
50: ((PageScopeContext) pageScope).setAttribute(property, value);
51: }
52: }
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