OpenSslSerialAdapter.java

/*******************************************************************************
 * Copyright (C) 2010 Marco Sandrini
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program 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 Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public
 * License along with this program.
 * If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.casbah.provider.openssl;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

import org.casbah.provider.CAProviderException;

public class OpenSslSerialAdapter {

	
	private File serialNumberFile;
	
	public OpenSslSerialAdapter(File serialNumberFile) {
		this.serialNumberFile = serialNumberFile;
	}
	
	public String getNextSerialNumber() throws CAProviderException {
		BufferedReader reader = null;
		try {
			reader = new BufferedReader(new FileReader(serialNumberFile));
			return reader.readLine();
		} catch (FileNotFoundException fnfe) {
			throw new CAProviderException("Could not find serial number file", fnfe);
 		} catch (IOException ioe) {
 			throw new CAProviderException("Error while reading the serial number file", ioe);
 		} finally {
 			try {
 				if (reader != null) {
 					reader.close();
 				}
 			} catch (Exception e) {
 				e.printStackTrace();
 			}
 		}
	}
	
	public void initializeSerialNumberFile() throws CAProviderException {
		try {
			if (!serialNumberFile.exists()) {
				FileWriter writer = new FileWriter(serialNumberFile);
				writer.write("01\n\n");
				writer.close();
			}
		} catch (IOException ioe) {
			throw new CAProviderException("Could not initialize serial number file", ioe);
		}
	}
}