/*
 * Copyright 2016, 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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 */

package org.jf.dexlib2.analysis;

import com.google.common.collect.Maps;
import org.jf.dexlib2.iface.ClassDef;
import org.jf.dexlib2.iface.DexFile;

import javax.annotation.Nullable;
import java.util.Map;

public class DexClassProvider implements ClassProvider {
    private final DexFile dexFile;
    private Map<String, ClassDef> classMap = Maps.newHashMap();

    public DexClassProvider(DexFile dexFile) {
        this.dexFile = dexFile;

        for (ClassDef classDef: dexFile.getClasses()) {
            classMap.put(classDef.getType(), classDef);
        }
    }

    @Nullable @Override public ClassDef getClassDef(String type) {
        return classMap.get(type);
    }
}