src-main.org.awakefw.sql.jdbc.http.JdbcHttpFileTransfer Maven / Gradle / Ivy

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/*
 * Awake File: Easy file upload & download through HTTP with Java
 * Awake SQL: Remote JDBC access through HTTP.                                    
 * Copyright (C) 2012, Kawan Softwares S.A.S.
 * (http://www.awakeframework.org). All rights reserved.                                
 *                                                                               
 * Awake File/SQL is free software; you can redistribute it and/or                 
 * modify it under the terms of the GNU Lesser General Public                    
 * License as published by the Free Software Foundation; either                  
 * version 2.1 of the License, or (at your option) any later version.            
 *                                                                               
 * Awake File/SQL is distributed in the hope that it will be useful,               
 * but WITHOUT ANY WARRANTY; without even the implied warranty of                
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             
 * Lesser General Public License for more details.                               
 *                                                                               
 * You should have received a copy of the GNU Lesser General Public              
 * License along with this library; if not, write to the Free Software           
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  
 * 02110-1301  USA
 *
 * Any modifications to this file must keep this entire header
 * intact.
 */

// 29/10/11 12:05 NDP : remove unnecessary fields 
// 24/11/11 18:45 NDP : JdbcHttpFileTransfer: suppress static deleteFile()

package org.awakefw.sql.jdbc.http;

import java.io.File;
import java.sql.SQLException;

import org.awakefw.commons.api.client.AwakeProgressManager;
import org.awakefw.file.api.client.AwakeFileSession;
import org.awakefw.file.api.util.AwakeDebug;
import org.awakefw.file.util.AwakeLogger;
import org.awakefw.file.util.KeepTempFilePolicyParms;
import org.awakefw.sql.jdbc.ConnectionHttp;

/**
 * 
 * Class that execute all http file transfer to the server.
 * 
 */
public class JdbcHttpFileTransfer {
    /** Set to true to display/log debug info */
    private static boolean DEBUG = AwakeDebug.isSet(JdbcHttpFileTransfer.class);

    /** The Awake File Session */
    private AwakeFileSession awakeFileSession;

    /** The progress manager, maybe null */
    private AwakeProgressManager awakeProgressManager;

    /**
     * Constructor
     * 
     * @param connectionHttp
     *            the http connection
     */
    public JdbcHttpFileTransfer(ConnectionHttp connectionHttp) {
	awakeFileSession = connectionHttp.getAwakeFileSession();
	awakeProgressManager = connectionHttp.getAwakeProgressManager();
    }

    /**
     * Upload all the blob parameters
     */
    public void uploadFile(File localFile, String remoteFileName)
	    throws SQLException {
	if (localFile == null) {
	    throw new SQLException("localFile order is null!");
	}

	if (remoteFileName == null) {
	    throw new SQLException("remoteFileName order is null!");
	}

	if (!localFile.exists()) {
	    throw new SQLException("localFile to upload does not exists: "
		    + localFile);
	}

	if (awakeProgressManager != null) {
	    awakeFileSession.setAwakeProgressManager(awakeProgressManager);
	    awakeProgressManager.setLengthToTransfer(localFile.length());
	}

	// Do the upload
	try {
	    awakeFileSession.upload(localFile, remoteFileName);
	} catch (Exception e) {
	    JdbcHttpTransferUtil.wrapExceptionAsSQLException(e);
	} finally {
	    if (awakeProgressManager != null) {
		awakeProgressManager.setProgress(100);
	    }

	    //DEBUG= true;
	    debug("local file: " + localFile);
	    debug("KeepTempFilePolicyParms.KEEP_TEMP_FILE: " + KeepTempFilePolicyParms.KEEP_TEMP_FILE);
	    
	    if (!DEBUG && ! KeepTempFilePolicyParms.KEEP_TEMP_FILE) {
		localFile.delete();
	    }

	}

    }

    /**
     * Debug tool
     * 
     * @param s
     */

    // @SuppressWarnings("unused")
    private void debug(String s) {
	if (DEBUG) {
	    AwakeLogger.log(s);
	}
    }
}