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


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.Closeable JavaDoc;
35 import java.io.IOException JavaDoc;
36 import java.util.IdentityHashMap JavaDoc;
37
38 /**
39  * Represents a PHP resource
40  */
41 public class ResourceValue extends Value implements Closeable JavaDoc {
42   public void close()
43   {
44   }
45
46   /**
47    * Converts to a key.
48    */
49   public Value toKey()
50   {
51     return new LongValue(System.identityHashCode(this));
52   }
53
54   /**
55    * Converts to a string.
56    */
57   public String JavaDoc toString()
58   {
59     return "ResourceValue[]";
60   }
61
62   @Override JavaDoc
63   protected void varDumpImpl(Env env,
64                              WriteStream out,
65                              int depth,
66                              IdentityHashMap JavaDoc<Value, String JavaDoc> valueSet)
67     throws IOException JavaDoc
68   {
69     out.print("resource(" + toString(env) + ")");
70   }
71   
72   @Override JavaDoc
73   protected void printRImpl(Env env,
74                             WriteStream out,
75                             int depth,
76                             IdentityHashMap JavaDoc<Value, String JavaDoc> valueSet)
77     throws IOException JavaDoc
78   {
79     out.print("resource(" + toString(env) + ")");
80   }
81 }
82
83
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