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 * Copyright 2013, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.jf.dexlib2.writer.pool;

import org.jf.dexlib2.iface.reference.MethodReference;
import org.jf.dexlib2.writer.MethodSection;

import javax.annotation.Nonnull;

public class MethodPool extends BaseIndexPool<MethodReference>
        implements MethodSection<CharSequence, CharSequence, ProtoPool.Key, MethodReference, PoolMethod> {
    @Nonnull private final StringPool stringPool;
    @Nonnull private final TypePool typePool;
    @Nonnull private final ProtoPool protoPool;

    public MethodPool(@Nonnull StringPool stringPool, @Nonnull TypePool typePool,
                      @Nonnull ProtoPool protoPool) {
        this.stringPool = stringPool;
        this.typePool = typePool;
        this.protoPool = protoPool;
    }

    public void intern(@Nonnull MethodReference method) {
        Integer prev = internedItems.put(method, 0);
        if (prev == null) {
            typePool.intern(method.getDefiningClass());
            protoPool.intern(method);
            stringPool.intern(method.getName());
        }
    }

    @Nonnull @Override public CharSequence getDefiningClass(@Nonnull MethodReference methodReference) {
        return methodReference.getDefiningClass();
    }

    @Nonnull @Override public ProtoPool.Key getPrototype(@Nonnull MethodReference methodReference) {
        return new ProtoPool.Key(methodReference);
    }

    @Nonnull @Override public ProtoPool.Key getPrototype(@Nonnull PoolMethod poolMethod) {
        return new ProtoPool.Key(poolMethod);
    }

    @Nonnull @Override public CharSequence getName(@Nonnull MethodReference methodReference) {
        return methodReference.getName();
    }

    @Override public int getMethodIndex(@Nonnull PoolMethod poolMethod) {
        return getItemIndex(poolMethod);
    }
}