View Javadoc

1   package org.apache.maven.doxia.module.twiki.parser;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.maven.doxia.sink.Sink;
23  
24  /**
25   * An XHTML Block
26   *
27   * @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a>
28   * @version $Id: XHTMLBlock.java 763762 2009-04-09 18:19:56Z ltheussl $
29   */
30  class XHTMLBlock
31      implements Block
32  {
33      private final String tag;
34  
35      /**
36       * Creates the XHTMLBlock.
37       *
38       * @param tag the tag, eg: &lt;pre&gt;
39       * @throws IllegalArgumentException if the arguments are <code>null</code>
40       */
41      XHTMLBlock( final String tag )
42      {
43          if ( tag == null )
44          {
45              throw new IllegalArgumentException( "argument can't be null" );
46          }
47          this.tag = tag;
48      }
49  
50      /** {@inheritDoc}*/
51      public final void traverse( final Sink sink )
52      {
53          if ( tag.trim().length() == 0 )
54          {
55              return;
56          }
57  
58          sink.rawText( tag );
59      }
60  
61      /** {@inheritDoc}*/
62      public final boolean equals( final Object obj )
63      {
64          boolean ret = false;
65  
66          if ( obj == this )
67          {
68              ret = true;
69          }
70          else if ( obj instanceof XHTMLBlock )
71          {
72              final XHTMLBlock a = (XHTMLBlock) obj;
73  
74              ret = tag.equals( a.tag );
75          }
76  
77          return ret;
78      }
79  
80      /** {@inheritDoc}*/
81      public final int hashCode()
82      {
83          return tag.hashCode();
84      }
85  }