01: package org.apache.turbine.util.pool;
02:
03: /*
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "License"); you may not use this file except in compliance
10: * with the License. You may obtain a copy of the License at
11: *
12: * http://www.apache.org/licenses/LICENSE-2.0
13: *
14: * Unless required by applicable law or agreed to in writing,
15: * software distributed under the License is distributed on an
16: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17: * KIND, either express or implied. See the License for the
18: * specific language governing permissions and limitations
19: * under the License.
20: */
21:
22: import java.io.IOException;
23: import java.io.InputStream;
24: import java.io.ObjectInputStream;
25: import java.io.ObjectStreamClass;
26:
27: /**
28: * A deserialization stream for a specific class loader context.
29: *
30: * @author <a href="mailto:ilkka.priha@simsoft.fi">Ilkka Priha</a>
31: * @version $Id: ObjectInputStreamForContext.java 534527 2007-05-02 16:10:59Z tv $
32: */
33: public class ObjectInputStreamForContext extends ObjectInputStream {
34: /**
35: * The class loader of the context.
36: */
37: private ClassLoader classLoader;
38:
39: /**
40: * Contructs a new object stream for a context.
41: *
42: * @param in the serialized input stream.
43: * @param loader the class loader of the context.
44: * @throws IOException on errors.
45: */
46: public ObjectInputStreamForContext(InputStream in,
47: ClassLoader loader) throws IOException {
48: super (in);
49: classLoader = loader;
50: }
51:
52: protected Class resolveClass(ObjectStreamClass v)
53: throws IOException, ClassNotFoundException {
54: return classLoader == null ? super.resolveClass(v)
55: : classLoader.loadClass(v.getName());
56: }
57: }
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