org.wso2.carbon.connector.FileRename.java Source code

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Here is the source code for org.wso2.carbon.connector.FileRename.java

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/*
 * Copyright (c) 2005-2014, 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.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.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.FileSystemManager;
import org.apache.commons.vfs2.Selectors;
import org.apache.commons.vfs2.VFS;
import org.apache.synapse.MessageContext;
import org.codehaus.jettison.json.JSONException;
import org.wso2.carbon.connector.core.AbstractConnector;
import org.wso2.carbon.connector.core.ConnectException;
import org.wso2.carbon.connector.core.Connector;
import org.wso2.carbon.connector.util.FTPSiteUtils;
import org.wso2.carbon.connector.util.ResultPayloadCreater;

public class FileRename extends AbstractConnector implements Connector {

    private static Log log = LogFactory.getLog(FileRename.class);

    public void connect(MessageContext messageContext) throws ConnectException {

        String fileLocation = getParameter(messageContext, "filelocation") == null ? ""
                : getParameter(messageContext, "filelocation").toString();
        String filename = getParameter(messageContext, "file") == null ? ""
                : getParameter(messageContext, "file").toString();
        String content = getParameter(messageContext, "content") == null ? ""
                : getParameter(messageContext, "content").toString();
        String newFileName = getParameter(messageContext, "newfilename") == null ? ""
                : getParameter(messageContext, "newfilename").toString();

        String filebeforepprocess = getParameter(messageContext, "filebeforeprocess") == null ? ""
                : getParameter(messageContext, "filebeforeprocess").toString();
        if (log.isDebugEnabled()) {
            log.info("File creation started..." + filename.toString());
            log.info("File Location..." + fileLocation.toString());
            log.info("File content..." + content.toString());
        }

        boolean resultStatus = false;
        try {
            resultStatus = renameFile(fileLocation, filename, newFileName, filebeforepprocess);
        } catch (FileSystemException e) {
            handleException("Error while renaming a file", e, messageContext);
        }

        generateResult(messageContext, resultStatus);

    }

    /**
     * Generate the output
     * 
     * @param messageContext
     * @param resultStatus
     */
    private void generateResult(MessageContext messageContext, boolean resultStatus) {
        ResultPayloadCreater resultPayload = new ResultPayloadCreater();

        String responce = "<result><success>" + resultStatus + "</success></result>";

        try {
            OMElement element = resultPayload.performSearchMessages(responce);
            resultPayload.preparePayload(messageContext, element);
        } catch (XMLStreamException e) {
            log.error(e.getMessage());
            handleException(e.getMessage(), messageContext);
        } catch (IOException e) {
            log.error(e.getMessage());
            handleException(e.getMessage(), messageContext);
        } catch (JSONException e) {
            log.error(e.getMessage());
            handleException(e.getMessage(), messageContext);
        }

    }

    /**
     * Rename the files
     * 
     * @param fileLocation
     * @param filename
     * @param newFileName
     * @param filebeforepprocess
     * @return
     */
    private boolean renameFile(String fileLocation, String filename, String newFileName, String filebeforepprocess)
            throws FileSystemException {
        boolean resultStatus = false;
        FileSystemManager manager = VFS.getManager();
        if (manager != null) {
            // Create remote object
            FileObject remoteFile = manager.resolveFile(fileLocation.toString() + filename.toString(),
                    FTPSiteUtils.createDefaultOptions());

            FileObject reNameFile = manager.resolveFile(fileLocation.toString() + newFileName.toString(),
                    FTPSiteUtils.createDefaultOptions());
            if (remoteFile.exists()) {
                if (!filebeforepprocess.equals("")) {
                    FileObject fBeforeProcess = manager.resolveFile(filebeforepprocess + filename);
                    fBeforeProcess.copyFrom(remoteFile, Selectors.SELECT_SELF_AND_CHILDREN);
                }

                remoteFile.moveTo(reNameFile);
                resultStatus = true;
                if (log.isDebugEnabled()) {
                    log.info("Rename remote file success");
                }
            }
        }

        return resultStatus;
    }

}