com.google.api.codegen.configgen.ConfigGeneratorTool.java Source code

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Here is the source code for com.google.api.codegen.configgen.ConfigGeneratorTool.java

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/* Copyright 2016 Google Inc
 *
 * 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.google.api.codegen.configgen;

import com.google.api.tools.framework.tools.ToolOptions;
import com.google.common.collect.Lists;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;

public class ConfigGeneratorTool {

    public static void main(String[] args) throws Exception {
        Options options = new Options();
        options.addOption("h", "help", false, "show usage");
        options.addOption(Option.builder().longOpt("descriptor_set")
                .desc("The descriptor set representing the compiled input protos.").hasArg()
                .argName("DESCRIPTOR-SET").required(true).build());
        options.addOption(
                Option.builder().longOpt("service_yaml").desc("The service YAML configuration file or files.")
                        .hasArg().argName("SERVICE-YAML").required(true).build());
        options.addOption(
                Option.builder("o").longOpt("output").desc("The directory in which to output the generated config.")
                        .hasArg().argName("OUTPUT-FILE").required(true).build());

        CommandLine cl = (new DefaultParser()).parse(options, args);
        if (cl.hasOption("help")) {
            HelpFormatter formater = new HelpFormatter();
            formater.printHelp("ConfigGeneratorTool", options);
        }

        generate(cl.getOptionValue("descriptor_set"), cl.getOptionValues("service_yaml"),
                cl.getOptionValue("output"));
    }

    private static void generate(String descriptorSet, String[] apiConfigs, String outputFile) {
        ToolOptions options = ToolOptions.create();
        options.set(ConfigGeneratorApi.OUTPUT_FILE, outputFile);
        options.set(ToolOptions.DESCRIPTOR_SET, descriptorSet);
        options.set(ToolOptions.CONFIG_FILES, Lists.newArrayList(apiConfigs));
        ConfigGeneratorApi configGen = new ConfigGeneratorApi(options);
        configGen.run();
    }
}