MailMessagePoolSender.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2015 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * 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.turro.mail.impl;
 
import java.net.MalformedURLException;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.mail.internet.InternetAddress;
import javax.naming.NamingException;
import org.apache.commons.mail.EmailException;
import org.turro.command.Command;
import org.turro.elephant.context.ElephantContext;
 
@Deprecated
public class MailMessagePoolSender implements Runnable {
 
  private final Set<MailMessage> pool = new HashSet<>();
  private Command onFinish;
 
  public MailMessagePoolSender(Set<MailMessage> pool) {
    this.pool.addAll(pool);
  }
  
  public void send(Command onFinish) {
    this.onFinish = onFinish;
    if(pool.size() > 100) {
      new Thread(this).start();
    } else {
      run();
    }
  }
  
  @Override
  public void run() {
    int i = 1, count = pool.size();
    for (MailMessage mail : pool) {
      try {
        mail.send();
        Logger.getLogger(MailMessagePool.class.getName()).log(Level.INFO, "Sent mail from {0} to {1}. Subject: {2}",
            new Object[]{mail.getEmail().getFromAddress().getAddress(),
            InternetAddress.toString((InternetAddress[]) mail.getEmail().getToAddresses().toArray(new InternetAddress[0])), mail.getSubject()});
        if(count > 100 && ++i < count) Thread.sleep(100); // sleep only when using thread
      } catch (MalformedURLException | NamingException | InterruptedException | EmailException ex) {
        Logger.getLogger(MailMessagePool.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
      }
    }
    pool.clear();
    if(onFinish != null) {
      try {
        onFinish.execute(null);
      } catch (Exception ex) {
        Logger.getLogger(MailMessagePool.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
      }
    }
  }
 
}