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org.apache.turbine.util.pool.ObjectInputStreamForContext |
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1 | package org.apache.turbine.util.pool; |
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2 | ||
3 | /* |
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4 | * Copyright 2001-2005 The Apache Software Foundation. |
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5 | * |
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6 | * Licensed under the Apache License, Version 2.0 (the "License") |
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7 | * you may not use this file except in compliance with the License. |
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8 | * You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | ||
19 | import java.io.IOException; |
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20 | import java.io.InputStream; |
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21 | import java.io.ObjectInputStream; |
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22 | import java.io.ObjectStreamClass; |
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23 | ||
24 | /** |
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25 | * A deserialization stream for a specific class loader context. |
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26 | * |
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27 | * @author <a href="mailto:ilkka.priha@simsoft.fi">Ilkka Priha</a> |
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28 | * @version $Id: ObjectInputStreamForContext.java 264148 2005-08-29 14:21:04Z henning $ |
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29 | */ |
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30 | public class ObjectInputStreamForContext extends ObjectInputStream |
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31 | { |
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32 | /** |
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33 | * The class loader of the context. |
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34 | */ |
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35 | private ClassLoader classLoader; |
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36 | ||
37 | /** |
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38 | * Contructs a new object stream for a context. |
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39 | * |
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40 | * @param in the serialized input stream. |
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41 | * @param loader the class loader of the context. |
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42 | * @throws IOException on errors. |
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43 | */ |
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44 | public ObjectInputStreamForContext(InputStream in, |
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45 | ClassLoader loader) |
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46 | throws IOException |
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47 | { |
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48 | 0 | super(in); |
49 | 0 | classLoader = loader; |
50 | 0 | } |
51 | ||
52 | protected Class resolveClass(ObjectStreamClass v) |
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53 | throws IOException, |
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54 | ClassNotFoundException |
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55 | { |
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56 | 0 | return classLoader == null ? |
57 | super.resolveClass(v) : classLoader.loadClass(v.getName()); |
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58 | } |
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59 | } |
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