org.globus.examples.services.filebuy.transfer.impl.FileTransferService.java Source code

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Here is the source code for org.globus.examples.services.filebuy.transfer.impl.FileTransferService.java

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/*
 * This file is licensed under the terms of the Globus Toolkit Public License
 * v3, found at http://www.globus.org/toolkit/legal/4.0/license-v3.html.
 * 
 * This notice must appear in redistributions of this file, with or without
 * modification.
 */
package org.globus.examples.services.filebuy.transfer.impl;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.rmi.RemoteException;

import javax.xml.rpc.ServiceException;

import org.apache.axis.message.addressing.EndpointReferenceType;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.globus.examples.services.filebuy.seller.impl.FileResource;
import org.globus.examples.stubs.filebuy.FileBuyer.FileBuyerPortType;
import org.globus.examples.stubs.filebuy.FileBuyer.service.FileBuyerServiceAddressingLocator;
import org.globus.examples.stubs.filebuy.FileTransfer.Transfer;
import org.globus.examples.stubs.filebuy.FileTransfer.TransferResponse;

public class FileTransferService {

    /* Added for logging */
    static final Log logger = LogFactory.getLog(FileResource.class);

    public TransferResponse transfer(Transfer params) throws RemoteException {
        /* Retrieve parameters */
        String name = params.getName();
        String location = params.getLocation();
        EndpointReferenceType buyerEPR = params.getBuyerEPR();

        /*
         * INVOKE TRANSFER OPERATION IN BUYER
         */

        // Get FileBuyer portType
        FileBuyerServiceAddressingLocator buyerLocator;
        buyerLocator = new FileBuyerServiceAddressingLocator();
        FileBuyerPortType buyerPortType = null;
        try {
            buyerPortType = buyerLocator.getFileBuyerPortTypePort(buyerEPR);
        } catch (ServiceException e) {
            logger.error("ERROR: Unable to obtain buyer portType.");
            throw new RemoteException("ERROR: Unable to obtain buyer portType.", e);
        }

        // Read file to transfer
        byte[] fileBytes = null;
        try {
            File file = new File(location);
            FileInputStream fis = new FileInputStream(file);
            fileBytes = new byte[fis.available()];
            fis.read(fileBytes);
        } catch (IOException e) {
            logger.error("ERROR: Unable to open file to transfer.");
            throw new RemoteException("ERROR: Unable to open file to transfer.", e);
        }

        // Create request to Transfer operation
        org.globus.examples.stubs.filebuy.FileBuyer.Transfer transferRequest;
        transferRequest = new org.globus.examples.stubs.filebuy.FileBuyer.Transfer();
        transferRequest.setName(name);
        transferRequest.setData(fileBytes);

        // Perform invocation
        try {
            buyerPortType.transfer(transferRequest);
        } catch (RemoteException e) {
            logger.error("ERROR: Unable to invoke Transfer operation.");
            throw new RemoteException("ERROR: Unable to invoke Transfer operation.", e);

        }

        return new TransferResponse();
    }
}