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Library to build Android applications.

There is a newer version: 2.3.0

/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * 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 com.android.builder.compiling;

import com.android.annotations.NonNull;
import com.android.builder.internal.incremental.DependencyData;
import com.android.ide.common.process.ProcessOutputHandler;

import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.List;

/**
 * A Class that processes a dependency file after a compilation.
 *
 * During compilation of aidl, it is possible to provide an instance of
 * DependencyFileProcessor to process the dependency files generated by the compilers.
 *
 * 
It can be useful to store the dependency in a better format than a per-file dependency file.
 *
 * The instance will be called for each dependency file that is created during compilation.
 *
 * @see com.android.builder.core.AndroidBuilder#compileAidlFile(File, File, File, File, Collection, List, DependencyFileProcessor, ProcessOutputHandler)
 * @see com.android.builder.core.AndroidBuilder#compileAllAidlFiles(List, File, File, Collection, List, DependencyFileProcessor, ProcessOutputHandler)}
 */
public interface DependencyFileProcessor {

    DependencyFileProcessor NO_OP = (File dependencyFile) -> null;

    /**
     * Processes the dependency file.
     * @param dependencyFile the dependency file.
     * @return the dependency data that was created.
     */
    DependencyData processFile(@NonNull File dependencyFile) throws IOException;
}