CommentImpl


1   package org.enhydra.xml;
2   
3   import org.w3c.dom.Comment  ;
4   import org.w3c.dom.Node  ;
5   
6   /**
7    * @author Tweety
8    *
9    * A class representing a node in a meta-data tree, which implements
10   * the <a HREF="../../../../api/org/w3c/dom/Comment.html">
11   *
12   * <p> Namespaces are ignored in this implementation.  The terms "tag
13   * name" and "node name" are always considered to be synonymous.
14   *
15   * @version 1.0
16   */
17  public class CommentImpl extends CharacterDataImpl implements Comment   {
18  
19      /**
20       * Constructs a <code>CommentImpl</code> from the given node.
21       * 
22       * @param node, as a <code>CommentImpl</code>.
23       */
24      public CommentImpl(CommentImpl node) {
25          super((NodeImpl)node);
26      }
27  
28  
29      /**
30       * Constructs a <code>CommentImpl</code> from the given node value.
31       * 
32       * @param value, as a <code>String</code>.
33       */
34      public CommentImpl(String   value) {
35          nodeValue = value;
36          type = Node.COMMENT_NODE;
37      }
38      
39      
40      /**
41       * Constructs a <code>CommentImpl</code> from a given node,
42       * as a <code>Node</code>
43       *
44       * @param node, as <code>Node</code>.
45       */
46      public CommentImpl(Node   node) {
47          super(node);
48      }
49  
50  
51      /**
52       * Returns the node type.
53       *
54       * @return the <code>COMMENT_NODE</code> node type.
55       */
56      public short getNodeType() {
57          return Node.COMMENT_NODE;
58      }
59  
60      /**
61       * Returns the name ("#comment") associated with this node.
62       *
63       * @return the name, as a <code>String</code>.
64       */
65      public String   getNodeName() {
66          return "#comment";
67      }
68      
69      
70      /**
71       * Method beginToString for this class writes the xml
72       * comment prefix string and the comment string.
73       * 
74       * @param sb string buffer to add resulting string.
75       * @param indent used in formating the output.
76       */
77      protected void beginToString(StringBuffer   sb, Indent indent) {
78          sb.append("\n" + indent + "<!-- " + this.nodeValue.trim());
79      }
80      
81      
82      /**
83       * Method endToString writes the xml comment postfix string.
84       */
85      protected void endToString(StringBuffer   sb, Indent indent) {
86          sb.append(" -->");
87      }
88      
89  
90  }
91
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