org.camunda.bpm.extension.mail.delete.DeleteMailConnector Maven / Gradle / Ivy
/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.camunda.bpm.extension.mail.delete;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.search.MessageIDTerm;
import javax.mail.search.OrTerm;
import org.camunda.bpm.extension.mail.EmptyResponse;
import org.camunda.bpm.extension.mail.MailConnectorException;
import org.camunda.bpm.extension.mail.config.MailConfiguration;
import org.camunda.bpm.extension.mail.config.MailConfigurationFactory;
import org.camunda.bpm.extension.mail.dto.Mail;
import org.camunda.bpm.extension.mail.service.MailService;
import org.camunda.bpm.extension.mail.service.MailServiceFactory;
import org.camunda.connect.impl.AbstractConnector;
import org.camunda.connect.spi.ConnectorResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DeleteMailConnector extends AbstractConnector {
private final static Logger LOGGER = LoggerFactory.getLogger(DeleteMailConnector.class);
public static final String CONNECTOR_ID = "mail-delete";
protected MailConfiguration configuration;
public DeleteMailConnector() {
super(CONNECTOR_ID);
}
@Override
public DeleteMailRequest createRequest() {
return new DeleteMailRequest(this, getConfiguration());
}
@Override
public ConnectorResponse execute(DeleteMailRequest request) {
MailService mailService = MailServiceFactory.getService(getConfiguration());
try {
Folder folder = mailService.ensureOpenFolder(request.getFolder());
List messages = Arrays.asList(getMessages(folder, request));
DeleteMailInvocation invocation = new DeleteMailInvocation(messages, request, requestInterceptors, mailService);
invocation.proceed();
return new EmptyResponse();
} catch (Exception e) {
throw new MailConnectorException("failed to delete mails", e);
}
}
protected Message[] getMessages(Folder folder, DeleteMailRequest request) throws MessagingException {
if (request.getMails() != null) {
LOGGER.debug("delete mails: {}", request.getMails());
List messageIds = collectMessageIds(request.getMails());
return getMessagesByIds(folder, messageIds);
} else if (request.getMessageIds() != null) {
LOGGER.debug("delete mails with message ids: {}", request.getMessageIds());
return getMessagesByIds(folder, request.getMessageIds());
} else {
LOGGER.debug("delete mails with message numbers: {}", request.getMessageNumbers());
int[] numbers = request.getMessageNumbers().stream().mapToInt(i -> i).toArray();
return folder.getMessages(numbers);
}
}
protected List collectMessageIds(List mails) {
return mails.stream()
.map(m -> Optional.ofNullable(m.getMessageId()).orElse(""))
.filter(id -> !id.isEmpty())
.collect(Collectors.toList());
}
protected Message[] getMessagesByIds(Folder folder, List messageIds) throws MessagingException {
List idTerms = messageIds.stream()
.map(MessageIDTerm::new)
.collect(Collectors.toList());
OrTerm searchTerm = new OrTerm(idTerms.toArray(new MessageIDTerm[idTerms.size()]));
return folder.search(searchTerm);
}
protected MailConfiguration getConfiguration() {
if (configuration == null) {
configuration = MailConfigurationFactory.getConfiguration();
}
return configuration;
}
public void setConfiguration(MailConfiguration configuration) {
this.configuration = configuration;
}
}