Juergen Hoeller
17 years ago
26 changed files with 582 additions and 167 deletions
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/* |
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* Copyright 2002-2009 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package test.util; |
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import java.awt.*; |
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import java.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
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import java.io.IOException; |
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import java.io.NotSerializableException; |
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import java.io.ObjectInputStream; |
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import java.io.ObjectOutputStream; |
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import java.io.OutputStream; |
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import java.io.Serializable; |
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import static org.junit.Assert.*; |
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import org.junit.Test; |
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import test.beans.TestBean; |
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/** |
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* Utilities for testing serializability of objects. |
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* Exposes static methods for use in other test cases. |
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* Contains {@link org.junit.Test} methods to test itself. |
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* |
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* @author Rod Johnson |
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* @author Chris Beams |
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*/ |
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public final class SerializationTestUtils { |
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public static void testSerialization(Object o) throws IOException { |
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OutputStream baos = new ByteArrayOutputStream(); |
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ObjectOutputStream oos = new ObjectOutputStream(baos); |
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oos.writeObject(o); |
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} |
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public static boolean isSerializable(Object o) throws IOException { |
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try { |
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testSerialization(o); |
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return true; |
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} |
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catch (NotSerializableException ex) { |
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return false; |
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} |
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} |
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public static Object serializeAndDeserialize(Object o) throws IOException, ClassNotFoundException { |
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ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
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ObjectOutputStream oos = new ObjectOutputStream(baos); |
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oos.writeObject(o); |
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oos.flush(); |
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baos.flush(); |
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byte[] bytes = baos.toByteArray(); |
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ByteArrayInputStream is = new ByteArrayInputStream(bytes); |
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ObjectInputStream ois = new ObjectInputStream(is); |
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Object o2 = ois.readObject(); |
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return o2; |
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} |
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@Test(expected=NotSerializableException.class) |
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public void testWithNonSerializableObject() throws IOException { |
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TestBean o = new TestBean(); |
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assertFalse(o instanceof Serializable); |
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assertFalse(isSerializable(o)); |
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testSerialization(o); |
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} |
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@Test |
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public void testWithSerializableObject() throws Exception { |
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int x = 5; |
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int y = 10; |
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Point p = new Point(x, y); |
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assertTrue(p instanceof Serializable); |
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testSerialization(p); |
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assertTrue(isSerializable(p)); |
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Point p2 = (Point) serializeAndDeserialize(p); |
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assertNotSame(p, p2); |
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assertEquals(x, (int) p2.getX()); |
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assertEquals(y, (int) p2.getY()); |
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} |
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} |
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@ -0,0 +1,65 @@
@@ -0,0 +1,65 @@
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/* |
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* Copyright 2002-2009 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.util; |
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import java.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
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import java.io.IOException; |
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import java.io.NotSerializableException; |
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import java.io.ObjectInputStream; |
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import java.io.ObjectOutputStream; |
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import java.io.OutputStream; |
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|
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/** |
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* Utilities for testing serializability of objects. |
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* Exposes static methods for use in other test cases. |
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* |
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* @author Rod Johnson |
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*/ |
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public class SerializationTestUtils { |
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public static void testSerialization(Object o) throws IOException { |
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OutputStream baos = new ByteArrayOutputStream(); |
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ObjectOutputStream oos = new ObjectOutputStream(baos); |
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oos.writeObject(o); |
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} |
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public static boolean isSerializable(Object o) throws IOException { |
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try { |
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testSerialization(o); |
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return true; |
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} |
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catch (NotSerializableException ex) { |
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return false; |
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} |
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} |
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public static Object serializeAndDeserialize(Object o) throws IOException, ClassNotFoundException { |
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ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
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ObjectOutputStream oos = new ObjectOutputStream(baos); |
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oos.writeObject(o); |
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oos.flush(); |
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baos.flush(); |
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byte[] bytes = baos.toByteArray(); |
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ByteArrayInputStream is = new ByteArrayInputStream(bytes); |
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ObjectInputStream ois = new ObjectInputStream(is); |
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Object o2 = ois.readObject(); |
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return o2; |
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} |
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} |
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