Java tutorial
/* * Copyright 2015-2016 the original author or authors. * * 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 jp.classmethod.aws.gradle.rds; import java.util.List; import java.util.Map; import java.util.stream.Collectors; import lombok.Getter; import lombok.Setter; import org.gradle.api.GradleException; import org.gradle.api.internal.ConventionTask; import org.gradle.api.tasks.TaskAction; import com.amazonaws.AmazonServiceException; import com.amazonaws.services.rds.AmazonRDS; import com.amazonaws.services.rds.model.DBInstance; import com.amazonaws.services.rds.model.DescribeDBInstancesRequest; import com.amazonaws.services.rds.model.DescribeDBInstancesResult; import com.amazonaws.services.rds.model.Filter; public class AmazonRDSDescribeInstancesTask extends ConventionTask { // NOPMD @Getter @Setter private String dbInstanceIdentifier; @Getter @Setter private int maxRecords = 50; @Getter @Setter private Map<String, List<String>> filters; @Getter private List<DBInstance> dbInstances; public AmazonRDSDescribeInstancesTask() { setDescription("Describe AWS instances."); setGroup("AWS"); } @TaskAction public void describeDBInstances() { // NOPMD // to enable conventionMappings feature String dbInstanceIdentifier = getDbInstanceIdentifier(); AmazonRDSPluginExtension ext = getProject().getExtensions().getByType(AmazonRDSPluginExtension.class); AmazonRDS rds = ext.getClient(); try { DescribeDBInstancesRequest request = new DescribeDBInstancesRequest().withMaxRecords(getMaxRecords()); if (getDbInstanceIdentifier() != null && getDbInstanceIdentifier().length() > 0) { request.withDBInstanceIdentifier(getDbInstanceIdentifier()); } if (getFilters() != null) { request.withFilters(getFilters().entrySet().stream() .map(it -> new Filter().withName(it.getKey().toString()).withValues(it.getValue())) .collect(Collectors.toList())); } DescribeDBInstancesResult dir = rds.describeDBInstances(request); dbInstances = dir.getDBInstances(); } catch (AmazonServiceException e) { throw new GradleException("Fail to describe instance: " + dbInstanceIdentifier, e); } } }