org.kawanfw.sql.jdbc.util.CallableUtil Maven / Gradle / Ivy

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/*
 * This file is part of AceQL. 
 * AceQL: Remote JDBC access over HTTP.                                     
 * Copyright (C) 2015,  KawanSoft SAS
 * (http://www.kawansoft.com). All rights reserved.                                
 *                                                                               
 * AceQL 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.            
 *                                                                               
 * AceQL 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.
 */
package org.kawanfw.sql.jdbc.util;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.LineNumberReader;
import java.sql.SQLException;

import org.apache.commons.io.IOUtils;
import org.kawanfw.commons.util.Tag;
import org.kawanfw.sql.jdbc.ConnectionHttp;
import org.kawanfw.sql.json.no_obfuscation.CallableStatementHolder;
import org.kawanfw.sql.json.no_obfuscation.CallableStatementHolderTransportJson;

/**
 * @author Nicolas de Pomereu
 *
 */
public class CallableUtil {

    /**
     * Protected
     */
    public CallableUtil() {

    }

    public static CallableStatementHolder fromRsFile(File file,
	    ConnectionHttp connectionHttp) throws SQLException {
	if (!file.exists()) {
	    String message = Tag.PRODUCT_PRODUCT_FAIL
		    + "Internal File does not exists: " + file;
	    throw new SQLException(message, new IOException(message));
	}

	String line = null;
	LineNumberReader lineNumberReader = null;

	try {
	    lineNumberReader = new LineNumberReader(new FileReader(file));
	    line = lineNumberReader.readLine();
	} catch (FileNotFoundException e) {
	    String message = Tag.PRODUCT_PRODUCT_FAIL
		    + "Internal File does not exists: " + file;
	    throw new SQLException(message, new IOException(message));
	} catch (IOException e) {
	    String message = Tag.PRODUCT_PRODUCT_FAIL
		    + "I/O Error when reading file: " + file;
	    throw new SQLException(message, new IOException(message));
	} finally {
	    IOUtils.closeQuietly(lineNumberReader);
	}

	if (line == null) {
	    String message = Tag.PRODUCT_PRODUCT_FAIL
		    + "Internal File is empty: " + file;
	    throw new SQLException(message, new IOException(message));
	}

	line = JsonLineDecryptor.decrypt(line, connectionHttp);

	return CallableStatementHolderTransportJson.fromJson(line);
    }

}