org.commonjava.aprox.model.core.io.ApiSerializerModule.java Source code

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Here is the source code for org.commonjava.aprox.model.core.io.ApiSerializerModule.java

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/*******************************************************************************
 * Copyright (c) 2014 Red Hat, Inc..
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Red Hat, Inc. - initial API and implementation
 ******************************************************************************/
package org.commonjava.aprox.model.core.io;

import java.io.IOException;

import javax.enterprise.context.ApplicationScoped;

import org.commonjava.aprox.model.core.StoreKey;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;

@ApplicationScoped
public class ApiSerializerModule extends SimpleModule {

    private static final long serialVersionUID = 1L;

    public ApiSerializerModule() {
        super("AProx Core API");
        addDeserializer(StoreKey.class, new StoreKeyDeserializer());
        addSerializer(StoreKey.class, new StoreKeySerializer());
    }

    @Override
    public int hashCode() {
        return getClass().getSimpleName().hashCode() + 17;
    }

    @Override
    public boolean equals(final Object other) {
        return getClass().equals(other.getClass());
    }

    private static final class StoreKeyDeserializer extends StdDeserializer<StoreKey> {
        private static final long serialVersionUID = 1L;

        StoreKeyDeserializer() {
            super(StoreKey.class);
        }

        @Override
        public StoreKey deserialize(final JsonParser parser, final DeserializationContext context)
                throws IOException, JsonProcessingException {
            final String keyStr = parser.getText();
            return StoreKey.fromString(keyStr);
        }

    }

    private static final class StoreKeySerializer extends StdSerializer<StoreKey> {
        StoreKeySerializer() {
            super(StoreKey.class);
        }

        @Override
        public void serialize(final StoreKey key, final JsonGenerator generator, final SerializerProvider provider)
                throws IOException, JsonProcessingException {
            generator.writeString(key.toString());
        }
    }
}