NamespaceDefaultPageClassProvider


1   // Copyright 2005 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package org.apache.tapestry.pageload;
16  
17  import org.apache.tapestry.TapestryConstants;
18  
19  /**
20   * Returns the namespace property for the
21   * {@link org.apache.tapestry.TapestryConstants#PAGE_CLASS_NAME} key.
22   * 
23   * @author Howard M. Lewis Ship
24   * @since 4.0
25   */
26  public class NamespaceDefaultPageClassProvider implements ComponentClassProvider
27  {
28  
29      public String   provideComponentClassName(ComponentClassProviderContext context)
30      {
31          // This may be null, if the namespace fails to define this meta data value.
32  
33          return context.getNamespace().getPropertyValue(TapestryConstants.PAGE_CLASS_NAME);
34      }
35  
36  }

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