/**
* 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.activemq.transport.util;
import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.Reader;
import org.apache.activemq.util.ByteArrayInputStream;
import org.apache.activemq.util.ByteArrayOutputStream;
import org.apache.activemq.util.ByteSequence;
import org.apache.activemq.wireformat.WireFormat;
/**
* Adds the extra methods available to text based wire format implementations
*
* @version $Revision: 1.1 $
*/
public abstract class TextWireFormat implements WireFormat {
public abstract Object unmarshalText(String text);
public abstract Object unmarshalText(Reader reader);
public abstract String marshalText(Object command);
public void marshal(Object command, DataOutput out) throws IOException {
out.writeUTF(marshalText(command));
}
public Object unmarshal(DataInput in) throws IOException {
String text = in.readUTF();
return unmarshalText(text);
}
public ByteSequence marshal(Object command) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(baos);
marshal(command, dos);
dos.close();
return baos.toByteSequence();
}
public Object unmarshal(ByteSequence packet) throws IOException {
ByteArrayInputStream stream = new ByteArrayInputStream(packet);
DataInputStream dis = new DataInputStream(stream);
return unmarshal(dis);
}
}