org.glassfish.jersey.server.internal.inject.PrimitiveMapper Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jersey-min Show documentation
jersey-min is a rebundled (minmal) verison of Jersey as one OSGi bundle.
The newest version!
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2010-2015 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package org.glassfish.jersey.server.internal.inject;

import java.util.Collections;
import java.util.Map;
import java.util.WeakHashMap;

/**
 * Utility class that maps the primitive types to their respective classes as well
 * as the default values as defined by the JAX-RS specification.
 *
 * @author Paul Sandoz
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
final class PrimitiveMapper {

    static final Map primitiveToClassMap =
            getPrimitiveToClassMap();
    static final Map primitiveToDefaultValueMap =
            getPrimitiveToDefaultValueMap();

    private static Map getPrimitiveToClassMap() {
        Map m = new WeakHashMap<>();
        // Put all primitive to wrapper class mappings except
        // that for Character
        m.put(Boolean.TYPE, Boolean.class);
        m.put(Byte.TYPE, Byte.class);
        m.put(Character.TYPE, Character.class);
        m.put(Short.TYPE, Short.class);
        m.put(Integer.TYPE, Integer.class);
        m.put(Long.TYPE, Long.class);
        m.put(Float.TYPE, Float.class);
        m.put(Double.TYPE, Double.class);

        return Collections.unmodifiableMap(m);
    }

    private static Map getPrimitiveToDefaultValueMap() {
        Map m = new WeakHashMap<>();
        m.put(Boolean.class, Boolean.valueOf(false));
        m.put(Byte.class, Byte.valueOf((byte) 0));
        m.put(Character.class, Character.valueOf((char) 0x00));
        m.put(Short.class, Short.valueOf((short) 0));
        m.put(Integer.class, Integer.valueOf(0));
        m.put(Long.class, Long.valueOf(0L));
        m.put(Float.class, Float.valueOf(0.0f));
        m.put(Double.class, Double.valueOf(0.0d));

        return Collections.unmodifiableMap(m);
    }

    /**
     * Prevents instantiation.
     */
    private PrimitiveMapper() {
    }
}