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Java > Open Source Codes > com > caucho > jcr > base > BaseValue


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.jcr.base;
31
32 import com.caucho.util.L10N;
33
34 import javax.jcr.PropertyType;
35 import javax.jcr.RepositoryException;
36 import javax.jcr.Value;
37 import javax.jcr.ValueFormatException;
38 import java.io.InputStream JavaDoc;
39 import java.util.Calendar JavaDoc;
40
41 /**
42  * Represents a base value
43  */
44 abstract public class BaseValue implements Value {
45   private static final L10N L = new L10N(BaseValue.class);
46   
47   abstract public String JavaDoc getString()
48     throws ValueFormatException,
49        IllegalStateException JavaDoc,
50        RepositoryException;
51   
52   public InputStream JavaDoc getStream()
53     throws IllegalStateException JavaDoc,
54        RepositoryException
55   {
56     throw new IllegalStateException JavaDoc(getClass().getName());
57   }
58   
59   public long getLong()
60     throws ValueFormatException,
61        IllegalStateException JavaDoc,
62        RepositoryException
63   {
64     return Long.parseLong(getString());
65   }
66   
67   public double getDouble()
68     throws ValueFormatException,
69        IllegalStateException JavaDoc,
70        RepositoryException
71   {
72     return Double.parseDouble(getString());
73   }
74   
75   public Calendar JavaDoc getDate()
76     throws ValueFormatException,
77        IllegalStateException JavaDoc,
78        RepositoryException
79   {
80     throw new UnsupportedOperationException JavaDoc(getClass().getName());
81   }
82   
83   public boolean getBoolean()
84     throws ValueFormatException,
85        IllegalStateException JavaDoc,
86        RepositoryException
87   {
88     return ! "false".equals(getString());
89   }
90   
91   public int getType()
92   {
93     return PropertyType.STRING;
94   }
95 }
96
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