Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 io.konig.camel.aws.s3; /* * #%L * Camel DeleteObject Component * %% * Copyright (C) 2015 - 2018 Gregory McFall * %% * 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. * #L% */ import java.util.Map; import com.amazonaws.SdkClientException; import com.amazonaws.auth.AWSCredentials; import com.amazonaws.auth.AWSCredentialsProvider; import com.amazonaws.auth.AWSStaticCredentialsProvider; import com.amazonaws.auth.BasicAWSCredentials; import com.amazonaws.regions.Regions; import com.amazonaws.services.s3.AmazonS3; import com.amazonaws.services.s3.AmazonS3ClientBuilder; import org.apache.camel.component.extension.verifier.DefaultComponentVerifierExtension; import org.apache.camel.component.extension.verifier.ResultBuilder; import org.apache.camel.component.extension.verifier.ResultErrorBuilder; import org.apache.camel.component.extension.verifier.ResultErrorHelper; public class DeleteObjectComponentVerifierExtension extends DefaultComponentVerifierExtension { public DeleteObjectComponentVerifierExtension() { this("konig-aws-s3"); } public DeleteObjectComponentVerifierExtension(String scheme) { super(scheme); } // ********************************* // Parameters validation // ********************************* @Override protected Result verifyParameters(Map<String, Object> parameters) { ResultBuilder builder = ResultBuilder.withStatusAndScope(Result.Status.OK, Scope.PARAMETERS) .error(ResultErrorHelper.requiresOption("accessKey", parameters)) .error(ResultErrorHelper.requiresOption("secretKey", parameters)) .error(ResultErrorHelper.requiresOption("region", parameters)); // Validate using the catalog super.verifyParametersAgainstCatalog(builder, parameters); return builder.build(); } // ********************************* // Connectivity validation // ********************************* @Override protected Result verifyConnectivity(Map<String, Object> parameters) { ResultBuilder builder = ResultBuilder.withStatusAndScope(Result.Status.OK, Scope.CONNECTIVITY); try { S3Configuration configuration = setProperties(new S3Configuration(), parameters); AWSCredentials credentials = new BasicAWSCredentials(configuration.getAccessKey(), configuration.getSecretKey()); AWSCredentialsProvider credentialsProvider = new AWSStaticCredentialsProvider(credentials); AmazonS3 client = AmazonS3ClientBuilder.standard().withCredentials(credentialsProvider) .withRegion(Regions.valueOf(configuration.getRegion())).build(); client.listBuckets(); } catch (SdkClientException e) { ResultErrorBuilder errorBuilder = ResultErrorBuilder .withCodeAndDescription(VerificationError.StandardCode.AUTHENTICATION, e.getMessage()) .detail("aws_s3_exception_message", e.getMessage()) .detail(VerificationError.ExceptionAttribute.EXCEPTION_CLASS, e.getClass().getName()) .detail(VerificationError.ExceptionAttribute.EXCEPTION_INSTANCE, e); builder.error(errorBuilder.build()); } catch (Exception e) { builder.error(ResultErrorBuilder.withException(e).build()); } return builder.build(); } }