Java tutorial
/******************************************************************************* * Copyright 2013 Johns Hopkins University * * 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 edu.jhu.pha.vospace.protocol; import java.io.IOException; import java.io.InputStream; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpPut; import org.apache.http.entity.InputStreamEntity; import edu.jhu.pha.vospace.SettingsServlet; import edu.jhu.pha.vospace.jobs.MyHttpConnectionPoolProvider; import edu.jhu.pha.vospace.node.Node; import edu.jhu.pha.vospace.node.NodeFactory; import edu.jhu.pha.vospace.rest.JobDescription; import edu.jhu.pha.vospace.storage.StorageManager; import edu.jhu.pha.vospace.storage.StorageManagerFactory; /** * This class handles the implementation details for the HTTP 1.1 PUT protocol */ public class HttpPutProtocolHandler implements ProtocolHandler { /* * (non-Javadoc) * @see edu.jhu.pha.vospace.protocol.ProtocolHandler#getUri() */ @Override public String getUri() { return SettingsServlet.getConfig().getString("transfers.protocol.httpput"); } /* * (non-Javadoc) * @see edu.jhu.pha.vospace.protocol.ProtocolHandler#invoke(edu.jhu.pha.vospace.rest.JobDescription) */ @Override public void invoke(JobDescription job) throws IOException { String putFileUrl = job.getProtocols() .get(SettingsServlet.getConfig().getString("transfers.protocol.httpput")); StorageManager backend = StorageManagerFactory.getStorageManager(job.getUsername()); HttpClient client = MyHttpConnectionPoolProvider.getHttpClient(); InputStream fileInp = backend.getBytes(job.getTargetId().getNodePath()); HttpPut put = new HttpPut(putFileUrl); Node node = NodeFactory.getNode(job.getTargetId(), job.getUsername()); put.setEntity(new InputStreamEntity(fileInp, node.getNodeInfo().getSize())); try { HttpResponse response = client.execute(put); response.getEntity().getContent().close(); } catch (IOException ex) { put.abort(); ex.printStackTrace(); throw ex; } finally { try { if (null != fileInp) fileInp.close(); } catch (IOException e) { } } } }