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Java > Open Source Codes > org > apache > mina > integration > spring > ssl > KeyStoreFactoryBean


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements. See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership. The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License. You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  * KIND, either express or implied. See the License for the
16  * specific language governing permissions and limitations
17  * under the License.
18  *
19  */
20 package org.apache.mina.integration.spring.ssl;
21
22 import java.io.BufferedInputStream JavaDoc;
23 import java.io.File JavaDoc;
24 import java.io.FileInputStream JavaDoc;
25 import java.io.IOException JavaDoc;
26 import java.io.InputStream JavaDoc;
27 import java.security.KeyStore JavaDoc;
28
29 import org.springframework.beans.factory.config.AbstractFactoryBean;
30 import org.springframework.core.io.Resource;
31 import org.springframework.util.Assert;
32
33 /**
34  * Spring {@link org.springframework.beans.factory.FactoryBean} implementation
35  * which makes it possible to configure {@link java.security.KeyStore} instances
36  * using Spring.
37  *
38  * @author The Apache Directory Project (mina-dev@directory.apache.org)
39  * @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (금, 13 7월 2007) $
40  */
41 public class KeyStoreFactoryBean extends AbstractFactoryBean {
42     private String JavaDoc type = "JKS";
43
44     private String JavaDoc provider = null;
45
46     private char[] password = null;
47
48     private File JavaDoc file = null;
49
50     private Resource resource = null;
51
52     /**
53      * Creates a new {@link KeyStore}. This method will be called
54      * by the base class when Spring creates a bean using this FactoryBean.
55      *
56      * @return the {@link KeyStore} instance.
57      */
58     protected Object JavaDoc createInstance() throws Exception JavaDoc {
59         if (file == null && resource == null) {
60             throw new IllegalArgumentException JavaDoc("Required property missing. "
61                     + "Either 'file' or 'resource' have to be specified");
62         }
63
64         KeyStore JavaDoc ks = null;
65         if (provider == null) {
66             ks = KeyStore.getInstance(type);
67         } else {
68             ks = KeyStore.getInstance(type, provider);
69         }
70
71         InputStream JavaDoc is = null;
72         if (file != null) {
73             is = new BufferedInputStream JavaDoc(new FileInputStream JavaDoc(file));
74         } else {
75             is = resource.getInputStream();
76         }
77
78         try {
79             ks.load(is, password);
80         } finally {
81             try {
82                 is.close();
83             } catch (IOException JavaDoc ignored) {
84             }
85         }
86
87         return ks;
88     }
89
90     public Class JavaDoc getObjectType() {
91         return KeyStore JavaDoc.class;
92     }
93
94     /**
95      * Sets the file which contains the key store. Either this
96      * property or {@link #setProvider(String)} have to be set.
97      *
98      * @param file the file to load the key store from.
99      */
100     public void setFile(File JavaDoc file) {
101         this.file = file;
102     }
103
104     /**
105      * Sets the key store password. If this value is <code>null</code> no
106      * password will be used to check the integrity of the key store.
107      *
108      * @param password the password or <code>null</code> if no password is
109      * needed.
110      */
111     public void setPassword(String JavaDoc password) {
112         if (password != null) {
113             this.password = password.toCharArray();
114         } else {
115             this.password = null;
116         }
117     }
118
119     /**
120      * Sets the name of the provider to use when creating the key store. The
121      * default is to use the platform default provider.
122      *
123      * @param provider the name of the provider, e.g. SUN.
124      */
125     public void setProvider(String JavaDoc provider) {
126         this.provider = provider;
127     }
128
129     /**
130      * Sets a Spring {@link Resource} which contains the key store. Either this
131      * property or {@link #setFile(File)} have to be set.
132      *
133      * @param resource the resource to load the key store from.
134      */
135     public void setResource(Resource resource) {
136         this.resource = resource;
137     }
138
139     /**
140      * Sets the type of key store to create. The default is to create a
141      * JKS key store.
142      *
143      * @param type the type to use when creating the key store.
144      * @throws IllegalArgumentException if the specified value is
145      * <code>null</code>.
146      */
147     public void setType(String JavaDoc type) {
148         Assert.notNull(type, "Property 'type' may not be null");
149         this.type = type;
150     }
151 }
152
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