/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.jxpath.servlet;
import java.util.ArrayList;
import java.util.Enumeration;
import org.apache.commons.jxpath.DynamicPropertyHandler;
/**
* Implementation of the {@link DynamicPropertyHandler} interface that provides
* access to attributes of a {@link PageScopeContext}.
*
* @author Dmitri Plotnikov
* @version $Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $
*/
public class PageScopeContextHandler implements DynamicPropertyHandler {
private static final int DEFAULT_LIST_SIZE = 16;
public String[] getPropertyNames(Object pageScope) {
Enumeration e = ((PageScopeContext) pageScope).getAttributeNames();
ArrayList list = new ArrayList(DEFAULT_LIST_SIZE);
while (e.hasMoreElements()) {
list.add(e.nextElement());
}
return (String[]) list.toArray(new String[list.size()]);
}
public Object getProperty(Object pageScope, String property) {
return ((PageScopeContext) pageScope).getAttribute(property);
}
public void setProperty(Object pageScope, String property, Object value) {
((PageScopeContext) pageScope).setAttribute(property, value);
}
}