DownloadApiDefinitionMojo.java

/*
 * Copyright (c) 2016 ingenieux Labs
 *
 * 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 br.com.ingenieux.mojo.apigateway;

import com.amazonaws.services.apigateway.model.GetExportRequest;
import com.amazonaws.services.apigateway.model.GetExportResult;

import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.Validate;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;

import java.io.File;
import java.io.FileOutputStream;
import java.nio.charset.Charset;
import java.util.LinkedHashMap;
import java.util.Map;

@Mojo(name = "download-api-definition", requiresProject = true)
public class DownloadApiDefinitionMojo extends AbstractAPIGatewayMojo {
  /**
   * Output File
   */
  @Parameter(property = "apigateway.outputFile", defaultValue = "${project.build.outputDirectory}/apigateway-swagger.json")
  File outputFile;

  @Override
  protected Object executeInternal() throws Exception {
    this.lookupIds();

    Validate.notNull(restApiId);
    Validate.notNull(stageName);

    Map<String, String> parameters = new LinkedHashMap<>();

    parameters.put("extensions", "integrations,authorizers,postman");

    final GetExportResult swaggerApi =
        getService()
            .getExport(
                new GetExportRequest()
                    .withExportType("swagger")
                    .withAccepts("application/json")
                    .withRestApiId(restApiId)
                    .withStageName(stageName)
                    .withParameters(parameters));

    String content = new String(swaggerApi.getBody().array(), Charset.defaultCharset());

    getLog().info("Content: " + content);

    if (null != outputFile) {
      if (!outputFile.exists()) {
        outputFile.getParentFile().mkdirs();

        getLog().info("Writing into file " + outputFile.getPath());

        IOUtils.write(content, new FileOutputStream(outputFile));
      }
    }

    return null;
  }
}