org.ow2.bonita.identity.impl.SerializedIdentityService Maven / Gradle / Ivy

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/**
 * Copyright (C) 2007  Bull S. A. S.
 * Bull, Rue Jean Jaures, B.P.68, 78340, Les Clayes-sous-Bois
 * This library 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
 * version 2.1 of the License.
 * This library 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
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA  02110-1301, USA.
 **/
package org.ow2.bonita.identity.impl;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.Map;

import org.ow2.bonita.identity.GroupOp;
import org.ow2.bonita.identity.UserOp;
import org.ow2.bonita.util.Misc;

/**
 * @author "Pierre Vigneras"
 * @date Nov 27, 2007
 */
public class SerializedIdentityService extends PersistentIdentityService {

  public SerializedIdentityService(final File file, boolean create) throws FileNotFoundException {
    super(file, create);
  }

  public SerializedIdentityService(final String fileName, boolean create) throws FileNotFoundException {
    this(new File(fileName), create);
  }

  protected void flush() {
    ObjectOutputStream oos = null;
    try {
      oos = new ObjectOutputStream(new BufferedOutputStream(
          new FileOutputStream(file)));
      oos.writeInt(next);
      oos.writeObject(users);
      oos.writeObject(groupOps);
      oos.flush();
    } catch (IOException ioe) {
      throw new RuntimeException(ioe);
    } finally {
      Misc.close(oos);
    }
  }

  @SuppressWarnings("unchecked")
  protected void sync() {
    ObjectInputStream ois = null;
    try {
      ois = new ObjectInputStream(new BufferedInputStream(new FileInputStream(
          file)));
      next = ois.readInt();
      users = (Map) ois.readObject();
      groupOps = (Map) ois.readObject();
    } catch (EOFException eofe) {
      init();
    } catch (ClassNotFoundException cnfe) {
      cnfe.printStackTrace();
      throw new Error("Ouch! Should never reach this statement!");
    } catch (IOException ioe) {
      throw new RuntimeException(ioe);
    } finally {
      Misc.close(ois);
    }
  }
}