/*
* 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.aries.jmx.blueprint.codec;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import javax.management.openmbean.CompositeData;
import org.apache.aries.jmx.blueprint.BlueprintMetadataMBean;
import org.osgi.service.blueprint.reflect.BeanMetadata;
import org.osgi.service.blueprint.reflect.CollectionMetadata;
import org.osgi.service.blueprint.reflect.IdRefMetadata;
import org.osgi.service.blueprint.reflect.MapMetadata;
import org.osgi.service.blueprint.reflect.Metadata;
import org.osgi.service.blueprint.reflect.NullMetadata;
import org.osgi.service.blueprint.reflect.PropsMetadata;
import org.osgi.service.blueprint.reflect.RefMetadata;
import org.osgi.service.blueprint.reflect.ReferenceListMetadata;
import org.osgi.service.blueprint.reflect.ReferenceMetadata;
import org.osgi.service.blueprint.reflect.ServiceMetadata;
import org.osgi.service.blueprint.reflect.ValueMetadata;
public class Util {
public static BPMetadata metadata2BPMetadata(Metadata metadata) {
if(null == metadata)
return null;
// target first
if (metadata instanceof BeanMetadata)
return new BPBeanMetadata((BeanMetadata) metadata);
if (metadata instanceof ReferenceMetadata)
return new BPReferenceMetadata((ReferenceMetadata) metadata);
if (metadata instanceof RefMetadata)
return new BPRefMetadata((RefMetadata) metadata);
// others
if (metadata instanceof CollectionMetadata)
return new BPCollectionMetadata((CollectionMetadata) metadata);
if (metadata instanceof ServiceMetadata)
return new BPServiceMetadata((ServiceMetadata) metadata);
if (metadata instanceof ReferenceListMetadata)
return new BPReferenceListMetadata((ReferenceListMetadata) metadata);
if (metadata instanceof IdRefMetadata)
return new BPIdRefMetadata((IdRefMetadata) metadata);
if (metadata instanceof MapMetadata)
return new BPMapMetadata((MapMetadata) metadata);
if (metadata instanceof PropsMetadata)
return new BPPropsMetadata((PropsMetadata) metadata);
if (metadata instanceof ValueMetadata)
return new BPValueMetadata((ValueMetadata) metadata);
// null last
if (metadata instanceof NullMetadata)
return new BPNullMetadata((NullMetadata) metadata);
throw new RuntimeException("Unknown metadata type");
}
public static BPMetadata binary2BPMetadata(byte[] buf) {
if(null == buf)
return null;
ByteArrayInputStream inBytes = new ByteArrayInputStream(buf);
ObjectInputStream inObject;
CompositeData metadata;
try {
inObject = new ObjectInputStream(inBytes);
metadata = (CompositeData) inObject.readObject();
inObject.close();
} catch (IOException e) {
throw new RuntimeException(e);
} catch (ClassNotFoundException e) {
e.printStackTrace();
return null;
}
String typename = metadata.getCompositeType().getTypeName();
// target first
if (typename.equals(BlueprintMetadataMBean.BEAN_METADATA))
return new BPBeanMetadata(metadata);
if (typename.equals(BlueprintMetadataMBean.REFERENCE_METADATA))
return new BPReferenceMetadata(metadata);
if (typename.equals(BlueprintMetadataMBean.REF_METADATA))
return new BPRefMetadata(metadata);
// others
if (typename.equals(BlueprintMetadataMBean.COLLECTION_METADATA))
return new BPCollectionMetadata(metadata);
if (typename.equals(BlueprintMetadataMBean.SERVICE_METADATA))
return new BPServiceMetadata(metadata);
if (typename.equals(BlueprintMetadataMBean.REFERENCE_LIST_METADATA))
return new BPReferenceListMetadata(metadata);
if (typename.equals(BlueprintMetadataMBean.ID_REF_METADATA))
return new BPIdRefMetadata(metadata);
if (typename.equals(BlueprintMetadataMBean.MAP_METADATA))
return new BPMapMetadata(metadata);
if (typename.equals(BlueprintMetadataMBean.PROPS_METADATA))
return new BPPropsMetadata(metadata);
if (typename.equals(BlueprintMetadataMBean.VALUE_METADATA))
return new BPValueMetadata(metadata);
// null last
if (metadata instanceof NullMetadata)
return new BPNullMetadata(metadata);
throw new RuntimeException("Unknown metadata type");
}
public static byte[] bpMetadata2Binary(BPMetadata metadata) {
if(null == metadata)
return null;
ByteArrayOutputStream outBytes = new ByteArrayOutputStream();
ObjectOutputStream outObject;
try {
outObject = new ObjectOutputStream(outBytes);
outObject.writeObject(metadata.asCompositeData());
outObject.close();
} catch (IOException e) {// there is no io op
throw new RuntimeException(e);
}
return outBytes.toByteArray();
}
public static Byte[] bpMetadata2BoxedBinary(BPMetadata metadata)
{
if(null == metadata)
return null;
byte [] src = bpMetadata2Binary(metadata);
Byte [] res = new Byte[src.length];
for(int i=0;i<src.length;i++)
{
res[i] = src[i];
}
return res;
}
public static BPMetadata boxedBinary2BPMetadata(Byte[] buf) {
if(null == buf)
return null;
byte [] unbox = new byte[buf.length];
for(int i=0;i<buf.length;i++)
{
unbox[i] = buf[i];
}
return binary2BPMetadata(unbox);
}
}