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Java > Open Source Codes > com > caucho > quercus > env > BreakValue


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.quercus.env;
31
32 import com.caucho.vfs.WriteStream;
33
34 import java.io.IOException JavaDoc;
35 import java.util.IdentityHashMap JavaDoc;
36
37 /**
38  * Represents a PHP break value.
39  */
40 public class BreakValue extends Value {
41   public static final BreakValue BREAK = new BreakValue();
42
43   private BreakValue()
44   {
45   }
46
47   /**
48    * Converts to a boolean.
49    */
50   public boolean toBoolean()
51   {
52     return false;
53   }
54
55   /**
56    * Converts to a long.
57    */
58   public long toLong()
59   {
60     return 0;
61   }
62
63   /**
64    * Converts to a double.
65    */
66   public double toDouble()
67   {
68     return 0;
69   }
70
71   /**
72    * Converts to an object.
73    */
74   public Object JavaDoc toObject()
75   {
76     return "";
77   }
78
79   /**
80    * Prints the value.
81    * @param env
82    */
83   public void print(Env env)
84   {
85   }
86
87   public void varDumpImpl(Env env,
88                           WriteStream out,
89                           int depth,
90                           IdentityHashMap JavaDoc<Value, String JavaDoc> valueSet)
91     throws IOException JavaDoc
92   {
93     out.print(getClass().getName());
94   }
95 }
96
97
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