svn commit: r479547 - in /incubator/tuscany/java/sca/kernel/spi/src: main/java/org/apache/tuscany/spi/util/ test/java/org/apache/tuscany/spi/util/

[jm...@apache.org]

Author: jmarino
Date: Mon Nov 27 00:47:03 2006
New Revision: 479547

URL: http://svn.apache.org/viewvc?view=rev&rev=479547
Log:
add ObjectInputStream subclass capable of handling SCAExternalizable implementations

Added:
    incubator/tuscany/java/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/util/
    incubator/tuscany/java/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/util/SCAObjectInputStream.java   (with props)
    incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/
    incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/MockSCAExternalizable.java   (with props)
    incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/MockSerializable.java   (with props)
    incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/SCAObjectInputStreamTestCase.java   (with props)

Added: incubator/tuscany/java/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/util/SCAObjectInputStream.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/util/SCAObjectInputStream.java?view=auto&rev=479547
==============================================================================
--- incubator/tuscany/java/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/util/SCAObjectInputStream.java (added)
+++ incubator/tuscany/java/sca/kernel/spi/src/main/java/org/apache/tuscany/spi/util/SCAObjectInputStream.java Mon Nov 27 00:47:03 2006
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.util;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectStreamClass;
+
+import org.apache.tuscany.spi.component.SCAExternalizable;
+import org.apache.tuscany.spi.component.WorkContext;
+
+/**
+ * Deserializes an object based on the thread context classloader and provides special handling for {@link
+ * SCAExternalizable}
+ *
+ * @version $Rev$ $Date$
+ */
+public class SCAObjectInputStream extends ObjectInputStream {
+    private final ClassLoader classLoader;
+    private WorkContext context;
+
+    public SCAObjectInputStream(InputStream in, WorkContext context) throws IOException, SecurityException {
+        super(in);
+        this.context = context;
+        this.classLoader = Thread.currentThread().getContextClassLoader();
+        enableResolveObject(true);
+    }
+
+    protected Class resolveClass(ObjectStreamClass streamClass) throws IOException, ClassNotFoundException {
+        return classLoader.loadClass(streamClass.getName());
+    }
+
+    protected Object resolveObject(Object obj) throws IOException {
+        if (obj instanceof SCAExternalizable) {
+            SCAExternalizable ext = (SCAExternalizable) obj;
+            ext.setWorkContext(context);
+            ext.reactivate();
+        }
+        return obj;
+    }
+
+
+}

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Added: incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/MockSCAExternalizable.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/MockSCAExternalizable.java?view=auto&rev=479547
==============================================================================
--- incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/MockSCAExternalizable.java (added)
+++ incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/MockSCAExternalizable.java Mon Nov 27 00:47:03 2006
@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.util;
+
+import java.io.Serializable;
+
+import org.apache.tuscany.spi.component.ReactivationException;
+import org.apache.tuscany.spi.component.SCAExternalizable;
+import org.apache.tuscany.spi.component.WorkContext;
+
+/**
+ * @version $Rev$ $Date$
+ */
+@SuppressWarnings({"SerializableHasSerializationMethods"})
+public class MockSCAExternalizable implements Serializable, SCAExternalizable {
+    private static final long serialVersionUID = 5071815222959279772L;
+
+    private WorkContext context;
+    private boolean activated;
+
+    public void setWorkContext(WorkContext context) {
+        this.context = context;
+    }
+
+    public WorkContext getContext() {
+        return context;
+    }
+
+    public void reactivate() throws ReactivationException {
+        activated = true;
+    }
+
+    public boolean isActivated() {
+        return activated;
+    }
+}

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Added: incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/MockSerializable.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/MockSerializable.java?view=auto&rev=479547
==============================================================================
--- incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/MockSerializable.java (added)
+++ incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/MockSerializable.java Mon Nov 27 00:47:03 2006
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.util;
+
+import java.io.Serializable;
+
+/**
+ * @version $Rev$ $Date$
+ */
+@SuppressWarnings({"SerializableHasSerializationMethods"})
+public class MockSerializable implements Serializable {
+    private static final long serialVersionUID = 4013396228070042469L;
+
+    private MockSCAExternalizable externalizable;
+
+    public MockSerializable() {
+    }
+
+    public MockSCAExternalizable getExternalizable() {
+        return externalizable;
+    }
+
+    public void setExternalizable(MockSCAExternalizable externalizable) {
+        this.externalizable = externalizable;
+    }
+}

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Added: incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/SCAObjectInputStreamTestCase.java
URL: http://svn.apache.org/viewvc/incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/SCAObjectInputStreamTestCase.java?view=auto&rev=479547
==============================================================================
--- incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/SCAObjectInputStreamTestCase.java (added)
+++ incubator/tuscany/java/sca/kernel/spi/src/test/java/org/apache/tuscany/spi/util/SCAObjectInputStreamTestCase.java Mon Nov 27 00:47:03 2006
@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.spi.util;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.ObjectOutputStream;
+
+import org.apache.tuscany.spi.component.WorkContext;
+
+import junit.framework.TestCase;
+import org.easymock.EasyMock;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class SCAObjectInputStreamTestCase extends TestCase {
+
+    public void testSCAExternalizable() throws Exception {
+        WorkContext context = EasyMock.createMock(WorkContext.class);
+        MockSCAExternalizable ext = new MockSCAExternalizable();
+        MockSerializable serializable = new MockSerializable();
+        serializable.setExternalizable(ext);
+        ByteArrayOutputStream bas = new ByteArrayOutputStream();
+        ObjectOutputStream o = new ObjectOutputStream(bas);
+        o.writeObject(serializable);
+        o.close();
+        ByteArrayInputStream bytes = new ByteArrayInputStream(bas.toByteArray());
+        SCAObjectInputStream stream = new SCAObjectInputStream(bytes, context);
+        MockSerializable deserialized = (MockSerializable) stream.readObject();
+        MockSCAExternalizable deserializedExt = deserialized.getExternalizable();
+        assertTrue(deserializedExt.isActivated());
+        assertEquals(context, deserializedExt.getContext());
+    }
+}

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