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 * Copyright 2014, Google Inc.
 * All rights reserved.
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 * 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.
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 * 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.smalidea.psi.index;

import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElementFinder;
import com.intellij.psi.search.GlobalSearchScope;
import org.jetbrains.annotations.NotNull;
import org.jf.smalidea.psi.impl.SmaliClass;

import java.util.Collection;

public class SmaliClassFinder extends PsiElementFinder {

    private final Project project;

    public SmaliClassFinder(Project project) {
        this.project = project;
    }

    @Override
    public PsiClass findClass(@NotNull String qualifiedName, @NotNull GlobalSearchScope scope) {
        Collection<SmaliClass> classes = SmaliClassNameIndex.INSTANCE.get(qualifiedName, project, scope);
        if (classes != null && classes.size() == 1) {
            return classes.iterator().next();
        }
        return null;
    }

    @NotNull
    @Override
    public PsiClass[] findClasses(@NotNull String qualifiedName, @NotNull GlobalSearchScope scope) {
        PsiClass cls = findClass(qualifiedName, scope);
        if (cls != null) {
            return new PsiClass[] {cls};
        }
        return PsiClass.EMPTY_ARRAY;
    }
}