- /*
- * Copyright 1999-2004 The Apache Software Foundation
- *
- * Licensed 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.Enumeration;
-
- import javax.servlet.jsp.PageContext;
-
- /**
- * A lightweight wrapper for PageContext that restricts access
- * to attributes of the "page" scope. This object is needed so that
- * XPath "foo" would lookup the attribute "foo" in all scopes, while
- * "$page/foo" would only look in the "page" scope.
- *
- * @author Dmitri Plotnikov
- * @version $Revision: 1.5 $ $Date: 2004/02/29 14:17:40 $
- */
- public class PageScopeContext {
- private PageContext pageContext;
-
- public PageScopeContext(PageContext pageContext) {
- this.pageContext = pageContext;
- }
-
- /**
- * Returns attributes of the pageContext declared in the "page" scope.
- */
- public Enumeration getAttributeNames() {
- return pageContext.getAttributeNamesInScope(PageContext.PAGE_SCOPE);
- }
-
- public Object getAttribute(String attribute) {
- return pageContext.getAttribute(attribute, PageContext.PAGE_SCOPE);
- }
-
- public void setAttribute(String attribute, Object value) {
- pageContext.setAttribute(attribute, value, PageContext.PAGE_SCOPE);
- }
- }