PageNormalizer


1   /*
2    * Copyright 2005 Joe Walker
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
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.directwebremoting.extend;
17  
18  /**
19   * An interface to resolve the fact that many webservers treat blah/index.html
20   * the same as blah/.
21   * @author Joe Walker [joe at getahead dot ltd dot uk]
22   */
23  public interface PageNormalizer
24  {
25      /**
26       * Take an un-normalized URL and turn it into the canonical form for that
27       * URL. In general this will work by stripping off extra components like
28       * <code>index.html</code> rather than adding them in.
29       * @param unnormalized The raw string from the browser
30       * @return A canonical form that DWR uses to compare pages for equivalence.
31       */
32      public String   normalizePage(String   unnormalized);
33  }
34

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