org.commonjava.maven.atlas.ident.jackson.ProjectVersionRefSerializerModule.java Source code

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Here is the source code for org.commonjava.maven.atlas.ident.jackson.ProjectVersionRefSerializerModule.java

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/**
 * Copyright (C) 2012 Red Hat, Inc. (jdcasey@commonjava.org)
 *
 * 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.commonjava.maven.atlas.ident.jackson;

import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

import org.commonjava.maven.atlas.ident.ref.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.databind.module.SimpleModule;

public class ProjectVersionRefSerializerModule extends SimpleModule {

    private static final long serialVersionUID = 1L;

    private static final Set<Class<? extends ProjectRef>> REF_CLASSES;

    static {
        REF_CLASSES = Collections.unmodifiableSet(new HashSet<Class<? extends ProjectRef>>(
                Arrays.asList(ProjectRef.class, ProjectVersionRef.class, ArtifactRef.class,
                        VersionlessArtifactRef.class, SimpleProjectRef.class, SimpleProjectVersionRef.class,
                        SimpleArtifactRef.class, SimpleVersionlessArtifactRef.class)));
    }

    public static final ProjectVersionRefSerializerModule INSTANCE = new ProjectVersionRefSerializerModule();

    public ProjectVersionRefSerializerModule() {
        super("ProjectRef (with variants) Serializer");

        for (Class<? extends ProjectRef> cls : REF_CLASSES) {
            register(cls);
        }
    }

    private <T extends ProjectRef> void register(Class<T> cls) {
        Logger logger = LoggerFactory.getLogger(getClass());
        logger.debug("Registering {} serializers/deserialers", cls.getSimpleName());

        addSerializer(cls, new ProjectRefSerializer<T>(cls, false));
        addKeySerializer(cls, new ProjectRefSerializer<T>(cls, true));

        addDeserializer(cls, new ProjectRefDeserializer<T>(cls));
        addKeyDeserializer(cls, new ProjectRefKeyDeserializer<T>(cls));
    }

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

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

}