com.android.ide.common.res2.GeneratedResourceSet Maven / Gradle / Ivy

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/*
 * Copyright (C) 2015 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.ide.common.res2;

import com.android.SdkConstants;
import com.android.annotations.NonNull;
import com.android.utils.ILogger;

import org.w3c.dom.Document;
import org.w3c.dom.Node;

import java.io.File;

/**
 * A {@link ResourceSet} that contains only generated files (e.g. PNGs generated from a vector
 * drawable XML). It is always a mirror of a normal {@link ResourceSet} which delegates to this
 * set when it encounters a file that needs to be replaced by generated files.
 */
public class GeneratedResourceSet extends ResourceSet {

    public static final String ATTR_GENERATED = "generated";

    public GeneratedResourceSet(ResourceSet originalSet) {
        super(originalSet.getConfigName() + "$Generated", originalSet.getValidateEnabled());
        for (File source : originalSet.getSourceFiles()) {
            addSource(source);
        }
    }

    public GeneratedResourceSet(String name) {
        super(name);
    }

    @Override
    protected DataSet createSet(String name) {
        return new GeneratedResourceSet(name);
    }

    @Override
    void appendToXml(@NonNull Node setNode,
                     @NonNull Document document,
                     @NonNull MergeConsumer consumer) {
        NodeUtils.addAttribute(document, setNode, null, ATTR_GENERATED, SdkConstants.VALUE_TRUE);
        super.appendToXml(setNode, document, consumer);
    }

    @Override
    public void loadFromFiles(ILogger logger) throws MergingException {
        // Do nothing, the original set will hand us the generated files.
    }

    @Override
    public File findMatchingSourceFile(File file) {
        // Do nothing, the original set will hand us the generated files.
        return null;
    }
}