com.google.api.codegen.gapic.StaticResourcesGenerator.java Source code

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Here is the source code for com.google.api.codegen.gapic.StaticResourcesGenerator.java

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/* Copyright 2018 Google LLC
 *
 * 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
 *
 *      https://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.google.api.codegen.gapic;

import com.google.api.codegen.common.CodeGenerator;
import com.google.api.codegen.common.GeneratedResult;
import com.google.api.codegen.util.StaticResourcesHandler;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import java.io.IOException;
import java.util.Map;
import java.util.Set;

/** Generates static resources as a bytes result. */
public class StaticResourcesGenerator implements CodeGenerator<byte[]> {
    private StaticResourcesHandler resourcesExtractor;
    private Set<String> executableFilenames;

    public StaticResourcesGenerator(Map<String, String> staticFiles, Set<String> executableFilenames) {
        if (!staticFiles.values().containsAll(executableFilenames)) {
            throw new IllegalArgumentException("executableFilenames contains a filename not found in staticFiles");
        }
        this.resourcesExtractor = new StaticResourcesHandler(staticFiles);
        this.executableFilenames = ImmutableSet.copyOf(executableFilenames);
    }

    @Override
    public Set<String> getInputFileNames() {
        return resourcesExtractor.getResourceFilesMap().keySet();
    }

    @Override
    public Map<String, GeneratedResult<byte[]>> generate() throws IOException {
        ImmutableMap.Builder<String, GeneratedResult<byte[]>> results = ImmutableMap.builder();
        for (Map.Entry<String, byte[]> entry : resourcesExtractor.getResources().entrySet()) {
            GeneratedResult<byte[]> result = GeneratedResult.create(entry.getValue(),
                    executableFilenames.contains(entry.getKey()));
            results.put(entry.getKey(), result);
        }

        return results.build();
    }
}