Java tutorial
/* * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. 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.wso2.carbon.connector; import java.io.File; import java.io.IOException; import javax.xml.stream.XMLStreamException; import org.apache.axiom.om.OMElement; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.commons.vfs2.*; import org.apache.commons.vfs2.impl.StandardFileSystemManager; import org.apache.synapse.MessageContext; import org.codehaus.jettison.json.JSONException; import org.wso2.carbon.connector.core.AbstractConnector; import org.wso2.carbon.connector.core.Connector; import org.wso2.carbon.connector.core.util.ConnectorUtils; import org.wso2.carbon.connector.util.FileConnectorUtils; import org.wso2.carbon.connector.util.FileConstants; import org.wso2.carbon.connector.util.ResultPayloadCreate; public class FileMove extends AbstractConnector implements Connector { private static final Log log = LogFactory.getLog(FileMove.class); public void connect(MessageContext messageContext) { String source = (String) ConnectorUtils.lookupTemplateParamater(messageContext, FileConstants.FILE_LOCATION); String destination = (String) ConnectorUtils.lookupTemplateParamater(messageContext, FileConstants.NEW_FILE_LOCATION); boolean resultStatus = moveFile(source, destination, messageContext); generateResults(messageContext, resultStatus); } /** * Generate the result * * @param messageContext The message context that is processed by a handler in the handle method * @param resultStatus Result of the status (true/false) */ private void generateResults(MessageContext messageContext, boolean resultStatus) { ResultPayloadCreate resultPayload = new ResultPayloadCreate(); String response = FileConstants.START_TAG + resultStatus + FileConstants.END_TAG; try { OMElement element = resultPayload.performSearchMessages(response); resultPayload.preparePayload(messageContext, element); } catch (XMLStreamException e) { handleException(e.getMessage(), messageContext); } catch (IOException e) { handleException(e.getMessage(), messageContext); } catch (JSONException e) { handleException(e.getMessage(), messageContext); } } /** * Move the files * * @param source Location of the file * @param destination Destination of the file * @return return a resultStatus */ private boolean moveFile(String source, String destination, MessageContext messageContext) { boolean resultStatus = false; StandardFileSystemManager manager = null; try { manager = FileConnectorUtils.getManager(); // Create remote object FileObject remoteFile = manager.resolveFile(source, FileConnectorUtils.init(messageContext)); if (remoteFile.exists()) { FileObject file = manager.resolveFile(destination, FileConnectorUtils.init(messageContext)); if (!file.exists()) { file.createFolder(); } if (remoteFile.getType() == FileType.FOLDER) { remoteFile.moveTo(file); } else if (remoteFile.getType() == FileType.FILE) { FileObject newFile = manager.resolveFile( destination + File.separator + remoteFile.getName().getBaseName(), FileConnectorUtils.init(messageContext)); remoteFile.moveTo(newFile); } resultStatus = true; if (log.isDebugEnabled()) { log.debug("File move completed from " + source + " to " + destination); } } else { log.error("The file/folder location does not exist."); resultStatus = false; } } catch (IOException e) { handleException("Unable to move a file/folder.", e, messageContext); } finally { if (manager != null) { manager.close(); } } return resultStatus; } }