Java > Open Source Codes > com > opensymphony > module > sitemesh > html > Tag


1   package com.opensymphony.module.sitemesh.html;
2   
3   import com.opensymphony.module.sitemesh.html.util.CharArray;
4   
5   /**
6    * Tag returned by HTMLTagTokenizer. Allows easy access to element name and attributes.
7    *
8    * @see com.opensymphony.module.sitemesh.html.tokenizer.TokenHandler
9    * @see com.opensymphony.module.sitemesh.html.tokenizer.TagTokenizer
10   *
11   * @author Joe Walnes
12   */
13  public interface Tag {
14  
15      int OPEN = 1;
16      int CLOSE = 2;
17      int EMPTY = 3;
18      int OPEN_MAGIC_COMMENT = 4;
19      int CLOSE_MAGIC_COMMENT = 5;
20  
21      /**
22       * Get the complete tag in its original form, preserving original formatting.
23       *
24       * This has a slight overhead in that it needs to construct a String. For improved performance, use writeTo() instead.
25       *
26       * @see #writeTo(com.opensymphony.module.sitemesh.html.util.CharArray)
27       */
28      String   getContents();
29  
30      /**
31       * Write out the complete tag in its original form, preserving original formatting.
32       */
33      void writeTo(CharArray out);
34  
35      /**
36       * Name of tag (ie. element name).
37       */
38      String   getName();
39  
40      /**
41       * Type of tag: <br/>
42       * &lt;blah&gt; - Type.OPEN<br/>
43       * &lt;/blah&gt; - Type.CLOSE<br/>
44       * &lt;blah/&gt; - Type.EMPTY<br/>
45       */
46      int getType();
47  
48      int getAttributeCount();
49      String   getAttributeName(int index);
50      String   getAttributeValue(int index);
51      String   getAttributeValue(String   name);
52      boolean hasAttribute(String   name);
53  
54  }
55

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