| /* |
| * 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 org.apache.airavata.mft.transport.local; |
| |
| import org.apache.airavata.mft.core.ConnectorContext; |
| import org.apache.airavata.mft.core.ResourceTypes; |
| import org.apache.airavata.mft.core.api.Connector; |
| import org.apache.airavata.mft.resource.client.ResourceServiceClient; |
| import org.apache.airavata.mft.resource.client.ResourceServiceClientBuilder; |
| import org.apache.airavata.mft.resource.stubs.local.resource.LocalResource; |
| import org.apache.airavata.mft.resource.stubs.local.resource.LocalResourceGetRequest; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.*; |
| |
| public class LocalReceiver implements Connector { |
| |
| private static final Logger logger = LoggerFactory.getLogger(LocalReceiver.class); |
| |
| private LocalResource resource; |
| private boolean initialized; |
| |
| @Override |
| public void init(String resourceId, String credentialToken, String resourceServiceHost, int resourceServicePort, |
| String secretServiceHost, int secretServicePort) throws Exception { |
| this.initialized = true; |
| |
| ResourceServiceClient resourceClient = ResourceServiceClientBuilder.buildClient(resourceServiceHost, resourceServicePort); |
| this.resource = resourceClient.local().getLocalResource(LocalResourceGetRequest.newBuilder().setResourceId(resourceId).build()); |
| } |
| |
| @Override |
| public void destroy() { |
| |
| } |
| |
| private void checkInitialized() { |
| if (!initialized) { |
| throw new IllegalStateException("Local Receiver is not initialized"); |
| } |
| } |
| |
| @Override |
| public void startStream(ConnectorContext context) throws Exception { |
| logger.info("Starting local receiver stream for transfer {}", context.getTransferId()); |
| |
| checkInitialized(); |
| |
| |
| if (ResourceTypes.FILE.equals(this.resource.getResourceCase().name())) { |
| OutputStream streamOs = context.getStreamBuffer().getOutputStream(); |
| FileInputStream fis = new FileInputStream(new File(resource.getFile().getResourcePath())); |
| |
| long fileSize = context.getMetadata().getResourceSize(); |
| |
| byte[] buf = new byte[1024]; |
| while (true) { |
| int bufSize = 0; |
| |
| if (buf.length < fileSize) { |
| bufSize = buf.length; |
| } else { |
| bufSize = (int) fileSize; |
| } |
| bufSize = fis.read(buf, 0, bufSize); |
| |
| if (bufSize < 0) { |
| break; |
| } |
| |
| streamOs.write(buf, 0, bufSize); |
| streamOs.flush(); |
| |
| fileSize -= bufSize; |
| if (fileSize == 0L) |
| break; |
| } |
| |
| fis.close(); |
| streamOs.close(); |
| logger.info("Completed local receiver stream for transfer {}", context.getTransferId()); |
| |
| } else { |
| logger.error("Resource {} should be a FILE type. Found a {}", |
| this.resource.getResourceId(), this.resource.getResourceCase().name()); |
| throw new Exception("Resource " + this.resource.getResourceId() + " should be a FILE type. Found a " + |
| this.resource.getResourceCase().name()); |
| } |
| } |
| } |