001 // Copyright 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.tapestry.pageload; 016 017 import org.apache.tapestry.TapestryConstants; 018 019 /** 020 * Returns the namespace property for the 021 * {@link org.apache.tapestry.TapestryConstants#PAGE_CLASS_NAME} key. 022 * 023 * @author Howard M. Lewis Ship 024 * @since 4.0 025 */ 026 public class NamespaceDefaultPageClassProvider implements ComponentClassProvider 027 { 028 029 public String provideComponentClassName(ComponentClassProviderContext context) 030 { 031 // This may be null, if the namespace fails to define this meta data value. 032 033 return context.getNamespace().getPropertyValue(TapestryConstants.PAGE_CLASS_NAME); 034 } 035 036 }