HTMLAttribute


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  package com.sun.enterprise.diagnostics.report.html;
24  
25  import java.io.File  ;
26  import java.io.FileWriter  ;
27  import java.io.IOException  ;
28  import java.io.Writer  ;
29  
30  
31  /**
32   * Provide a basic implementation of an attribute.
33   */
34  public class HTMLAttribute implements Attribute, Text {
35      
36      /**
37       * The name of this attribute.
38       */
39      private String   name = null;
40      
41      /**
42       * The value of this attribute.
43       */
44      private String   value = null;
45  
46      private static final String   DOUBLE_QUOTES ="\"";
47      
48      private static final char EQUALS = '=';
49      /**
50       * Create a new attribute.
51       * @param name  The name of the attribute.
52       * @param value The value of the attribute.
53       */
54      public HTMLAttribute(String   name, String   value) {
55          setName(name);
56          setValue(value);
57      }
58      
59      /**
60       *
61       */
62      public String   getName() {
63          return name;
64      }
65  
66      /**
67       *
68       */
69      public void setName(String   name) {
70          if (name == null) {
71              throw new NullPointerException  ("Attribute name is null");
72          }
73          this.name = name;
74      }
75  
76  
77      /**
78       *
79       */
80      public String   getValue() {
81          return value;
82      }
83  
84  
85      /**
86       *
87       */
88      public void setValue(String   value) {
89          if (value == null) {
90              throw new NullPointerException  ("Attribute value is null.");
91          }
92          this.value = value;
93      }
94      
95  
96      /**
97       * @see java.lang.Object#toString()
98       */
99      public String   toString() {
100         String   nameStr = Escape.getInstance().encodeEntities(name, " \t\r\n");
101         String   valueStr = Escape.getInstance().encodeEntities(value, "");
102         StringBuffer   buf = new StringBuffer  ();
103         buf.append(nameStr)
104             .append(EQUALS+DOUBLE_QUOTES)
105             .append(valueStr)
106             .append(DOUBLE_QUOTES);
107         return buf.toString();
108     }
109 
110 
111     /**
112      */
113     public void write(Writer   output) throws IOException   {
114         output.append(toString());
115         output.flush();
116     }
117 
118 
119     /**
120      */
121     public void write(File   file) throws IOException   {
122         FileWriter   fw = new FileWriter  (file);
123         write(fw);
124         fw.close();
125     }
126 
127    
128 }
129
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags