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An implementation of OSGi Remote Service Admin, enhanced to provide support for OSGi Promises and streaming using OSGi PushStreams.

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/*
 Copyright 2008-2011 the original author or authors

 Licensed 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.freshvanilla.net;

import io.netty.buffer.ByteBuf;

import java.io.IOException;
import java.io.NotSerializableException;

import org.freshvanilla.lang.MetaClass;
import org.freshvanilla.lang.MetaClasses;
import org.freshvanilla.lang.MetaField;

public class VanillaPojoSerializer implements PojoSerializer {

    protected final MetaClasses _metaClasses;

    public VanillaPojoSerializer(MetaClasses metaclasses) {
        super();
        _metaClasses = metaclasses;
    }

    public  boolean canSerialize(Pojo pojo) {
        Class clazz = pojo.getClass();
        if(clazz.isArray() || clazz.isEnum() || clazz.isPrimitive()) {
        	return false;
        }
		final String className = clazz.getName();
        return !className.startsWith("java") && !className.startsWith("com.sun.");
    }

    @SuppressWarnings("unchecked")
    public  void serialize(ByteBuf wb, WireFormat wf, Pojo pojo) throws IOException {
        MetaClass clazz = _metaClasses.acquireMetaClass((Class)pojo.getClass());
        wf.writeTag(wb, clazz.nameWithParameters());

        for (MetaField field : clazz.fields()) {
            wf.writeField(wb, field, pojo);
        }
    }

    public  Pojo deserialize(ByteBuf rb, WireFormat wf) throws ClassNotFoundException, IOException {
        String classWithParameters = (String)wf.readObject(rb);
        MetaClass clazz = _metaClasses.acquireMetaClass(classWithParameters);

        if (clazz == null) {
            throw new ClassNotFoundException(classWithParameters);
        }

        return deserialize(rb, wf, clazz);
    }

	protected  Pojo deserialize(ByteBuf rb, WireFormat wf, MetaClass clazz)
			throws NotSerializableException, ClassNotFoundException, IOException {
		Pojo pojo;

        try {
            pojo = clazz.newInstance();
            wf.registerPojo(pojo);
        }
        catch (InstantiationException e) {
            throw new NotSerializableException("Exception attempting to create " + clazz + ' ' + e);
        }

        for (MetaField field : clazz.fields()) {
            wf.readField(rb, field, pojo);
        }

        return pojo;
	}

}