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

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Awake SQL is an open source framework that allows remote and secure JDBC access through HTTP.
There is a newer version: 2.0.2
/*
 * This file is part of Awake SQL. 
 * Awake SQL: Remote JDBC access over HTTP.                                    
 * Copyright (C) 2013,  KawanSoft SAS
 * (http://www.kawansoft.com). All rights reserved.                    
 *                                                                         
 * Awake SQL is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.         
 *              
 * Awake 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 General Public License
 * along with this program; if not, see .
 *
 * If you develop commercial activities using Awake SQL, you must: 
 * a) disclose and distribute all source code of your own product,
 * b) license your own product under the GNU General Public License.
 * 
 * You can be released from the requirements of the license by
 * purchasing a commercial license. Buying such a license will allow you 
 * to ship Awake SQL with your closed source products without disclosing 
 * the source code.
 *
 * For more information, please contact KawanSoft SAS at this
 * address: [email protected]
 * 
 * Any modifications to this file must keep this entire header
 * intact.
 */
package org.awakefw.sql.jdbc.http;

import java.io.IOException;
import java.net.ConnectException;
import java.net.MalformedURLException;
import java.net.UnknownHostException;
import java.sql.SQLException;

import org.awakefw.commons.api.client.InvalidLoginException;
import org.awakefw.commons.api.client.RemoteException;
import org.awakefw.sql.api.client.InvalidatedSessionException;
import org.awakefw.sql.util.SqlReturnCode;

/**
 * Utility methods for JdbcHttpTransfer
 * 
 * @author Nicolas de Pomereu
 */
public class JdbcHttpTransferUtil {

    /**
     * Protected constructor, not callable
     */
    protected JdbcHttpTransferUtil() {

    }

    /**
     * Throws back the trapped Exception throw by HttpTransfer as SQLException
     * 
     * @param e
     *            the Exception thrown by HttpTransfer call
     * 
     * @throws SQLException
     *             the wrapped thrown Exception:
     */
    public static void wrapExceptionAsSQLException(Exception e)
	    throws SQLException {
	/*
	 * UnknownHostException, ConnectException, AwakeRemoteException,
	 * SecurityException, IOException,
	 */

	if (e instanceof UnknownHostException) {
	    UnknownHostException wrappedException = (UnknownHostException) e;
	    throw new SQLException(wrappedException.getMessage(),
		    wrappedException);
	} else if (e instanceof ConnectException) {
	    ConnectException wrappedException = (ConnectException) e;
	    throw new SQLException(wrappedException.getMessage(),
		    wrappedException);
	} else if (e instanceof MalformedURLException) {
	    MalformedURLException wrappedException = (MalformedURLException) e;
	    throw new SQLException(wrappedException.getMessage(),
		    wrappedException);
	} else if (e instanceof InvalidLoginException) {
	    throw new SQLException(e);
	} else if (e instanceof RemoteException) // Must be done before
						 // IOException
	{
	    RemoteException wrappedException = (RemoteException) e;

	    // Special case if message is SESSION_INVALIDATED
	    if (wrappedException.getMessage() != null
		    && wrappedException.getMessage().trim()
			    .equals(SqlReturnCode.SESSION_INVALIDATED)) {
		throw new SQLException(new InvalidatedSessionException());
	    } else {
		throw new SQLException(wrappedException.getMessage(),
			wrappedException);
	    }

	}

	else if (e instanceof SecurityException) {
	    SecurityException wrappedException = (SecurityException) e;
	    throw new SQLException(wrappedException.getMessage(),
		    wrappedException);
	    // SecurityException wrappedException = (SecurityException) e;
	    // throw wrappedException;
	}

	else if (e instanceof IOException) // IOException thrown by local code
	{
	    IOException wrappedException = (IOException) e;
	    if (wrappedException.getCause() != null
		    && wrappedException.getCause() instanceof InterruptedException) {
		throw new SQLException(wrappedException.getCause());
	    }

	    throw new SQLException(wrappedException.getMessage(),
		    wrappedException);
	} else {
	    IOException wrappedException = new IOException(e);
	    throw new SQLException(wrappedException.getMessage(),
		    wrappedException);
	}
    }

}