MailProvider.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2022 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.provider;
 
import java.util.Objects;
import java.util.Set;
import javax.naming.NamingException;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.HtmlEmail;
import org.turro.elephant.context.ElephantContext;
import org.turro.string.Strings;
import org.turro.util.Comparison;
 
public class MailProvider implements Comparable<MailProvider> {
 
  private String id;
  private String hostname;
  private Integer port;
  private boolean tls, ssl;
  private String user, password;
  private MailRecipient from;
  private Set<MailRecipient> replies;
  private Set<MailRecipient> ccs;
  private Set<MailRecipient> bccs;
 
  public String getId() {
    return id;
  }
 
  public void setId(String id) {
    this.id = id;
  }
 
  public String getHostname() {
    return hostname;
  }
 
  public void setHostname(String hostname) {
    this.hostname = hostname;
  }
 
  public Integer getPort() {
    return port;
  }
 
  public void setPort(Integer port) {
    this.port = port;
  }
 
  public boolean isTls() {
    return tls;
  }
 
  public void setTls(boolean tls) {
    this.tls = tls;
  }
 
  public boolean isSsl() {
    return ssl;
  }
 
  public void setSsl(boolean ssl) {
    this.ssl = ssl;
  }
 
  public String getUser() {
    return user;
  }
 
  public void setUser(String user) {
    this.user = user;
  }
 
  public String getPassword() {
    return password;
  }
 
  public void setPassword(String password) {
    this.password = password;
  }
 
  public MailRecipient getFrom() {
    return from;
  }
 
  public void setFrom(MailRecipient from) {
    this.from = from;
  }
 
  public Set<MailRecipient> getReplies() {
    return replies;
  }
 
  public void setReplies(Set<MailRecipient> replies) {
    this.replies = replies;
  }
 
  public Set<MailRecipient> getCcs() {
    return ccs;
  }
 
  public void setCcs(Set<MailRecipient> ccs) {
    this.ccs = ccs;
  }
 
  public Set<MailRecipient> getBccs() {
    return bccs;
  }
 
  public void setBccs(Set<MailRecipient> bccs) {
    this.bccs = bccs;
  }
 
  /* Mail */
  
  public void setupMail(HtmlEmail email) throws NamingException, EmailException {
    if (hostname.startsWith("java:")) {
      email.setMailSessionFromJNDI(hostname);
    } else {
      email.setHostName(hostname);
    }
    if(port != null) email.setSmtpPort(port);
    if(ssl) {
      email.setSSLOnConnect(true);
      if(port != null) email.setSslSmtpPort(String.valueOf(port));
    }
    if(tls) email.setStartTLSEnabled(true);
    if(!Strings.isBlank(user) && !Strings.isBlank(password)) {
      email.setAuthentication(user, ElephantContext.decrypt(password));
    }
    if(email.getFromAddress() == null) {
      email.setFrom(from.getMail(), from.getName(), ElephantContext.getEncoding());
    }
    if(replies != null) for(MailRecipient reply : replies) {
      email.addReplyTo(reply.getMail(), reply.getName(), ElephantContext.getEncoding());
    }
    if(ccs != null) for(MailRecipient cc : ccs) {
      email.addCc(cc.getMail(), cc.getName(), ElephantContext.getEncoding());
    }
    if(bccs != null) for(MailRecipient bcc : bccs) {
      email.addCc(bcc.getMail(), bcc.getName(), ElephantContext.getEncoding());
    }
  }
 
  /* Comparable */
  
  @Override
  public int compareTo(MailProvider o) {
    return Comparison.ascendant().compare(id, o.id).get();
  }
 
  /* Utils */
  
  public boolean isEmpty() {
    return Strings.isBlank(id) || Strings.isBlank(hostname) || from.isEmpty();
  }
  
  public void clearEmpties() {
    id = Strings.nullIfBlank(id);
    hostname = Strings.nullIfBlank(hostname);
    user = Strings.nullIfBlank(user);
    password = Strings.nullIfBlank(password);
    from = from.isEmpty() ? null : from;
    if(replies != null) replies.removeIf(r -> r.isEmpty());
    if(ccs != null) ccs.removeIf(c -> c.isEmpty());
    if(bccs != null) bccs.removeIf(b -> b.isEmpty());
  }
 
  @Override
  public int hashCode() {
    int hash = 7;
    hash = 67 * hash + Objects.hashCode(this.id);
    return hash;
  }
 
  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    final MailProvider other = (MailProvider) obj;
    return Objects.equals(this.id, other.id);
  }
 
}