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/*
* 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.sca.itest.servicereference.utils;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.StringReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.tuscany.sca.core.context.ServiceReferenceImpl;
import org.osoa.sca.CallableReference;
import org.osoa.sca.ServiceReference;
/**
* Utility methods that are used by the ServiceReference Serialization tests
*
* @version $Date $Revision$
*/
public final class ServiceReferenceUtils {
private static final XMLInputFactory INPUT_FACTORY = XMLInputFactory.newInstance();
/**
* Constructor
*/
private ServiceReferenceUtils() {
}
/**
* Serializes the specified Object to a byte[]
*
* @param obj The Object to Serialize
* @return The Serialized Object as a byte[]
* @throws IOException Failed to Serialize the Object
*/
public static byte[] serialize(Object obj) throws IOException {
ByteArrayOutputStream bos = null;
try {
ObjectOutputStream oos = null;
bos = new ByteArrayOutputStream();
try {
oos = new ObjectOutputStream(bos);
oos.writeObject(obj);
oos.flush();
} finally {
if (oos != null) {
oos.close();
}
}
} finally {
if (bos != null) {
bos.close();
}
}
return bos.toByteArray();
}
/**
* Serializes the specified ServiceReference to an XML String
*
* @param obj The Object to Serialize
* @return The Serialized Object as an XML String
* @throws IOException Failed to Serialize the Object
*/
public static String serializeServiceReferenceXML(ServiceReference<?> sr) throws IOException {
ServiceReferenceImpl<?> sri = (ServiceReferenceImpl<?>) sr;
return sri.toXMLString();
}
/**
* Deserializes the specified byte[] into a ServiceReference
*
* @param serializedSR The Serialized ServiceReference to deserialize
* @return The deserialized ServiceReference
* @throws IOException Failed to deserialize the ServiceReference
* @throws ClassNotFoundException Failed to deserialize the ServiceReference
*/
public static ServiceReference<?> deserializeServiceReference(byte[] serializedSR)
throws IOException, ClassNotFoundException {
return (ServiceReference<?>) deserialize(serializedSR);
}
/**
* Deserializes the specified byte[] into a CallableReference
*
* @param callableRef The Serialized CallableReference to deserialize
* @return The deserialized ServiceReference
* @throws IOException Failed to deserialize the CallableReference
* @throws ClassNotFoundException Failed to deserialize the CallableReference
*/
public static CallableReference<?> deserializeCallableReference(byte[] callableRef)
throws IOException, ClassNotFoundException {
return (CallableReference<?>) deserialize(callableRef);
}
/**
* Deserializes the specified byte[] into an Object
*
* @param serializedObj The Serialized Object to deserialize
* @return The deserialized Object
* @throws IOException Failed to deserialize the Object
* @throws ClassNotFoundException Failed to deserialize the Object
*/
public static Object deserialize(byte[] serializedSR) throws IOException, ClassNotFoundException {
ByteArrayInputStream bis = null;
try {
ObjectInputStream ois = null;
bis = new ByteArrayInputStream(serializedSR);
try {
ois = new ObjectInputStream(bis);
Object obj = ois.readObject();
return obj;
} finally {
if (ois != null) {
ois.close();
}
}
} finally {
if (bis != null) {
bis.close();
}
}
}
/**
* Deserializes the specified XML String into a ServiceReference
*
* @param serializedSR The Serialized ServiceReference to deserialize
* @return The deserialized ServiceReference
* @throws IOException Failed to deserialize the ServiceReference
* @throws ClassNotFoundException Failed to deserialize the ServiceReference
*/
public static ServiceReference<?> deserializeServiceReferenceXML(String serializedSR)
throws Exception {
StringReader reader = new StringReader(serializedSR);
XMLStreamReader xmlReader = INPUT_FACTORY.createXMLStreamReader(reader);
ServiceReferenceImpl<?> sri = new ServiceReferenceImpl(xmlReader);
return (ServiceReference<?>) sri;
}
}
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