/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.nifi.processors.email;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.nifi.annotation.behavior.InputRequirement;
import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
import org.apache.nifi.annotation.documentation.CapabilityDescription;
import org.apache.nifi.annotation.documentation.Tags;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.processor.util.StandardValidators;
import org.springframework.integration.mail.ImapMailReceiver;
@InputRequirement(Requirement.INPUT_FORBIDDEN)
@CapabilityDescription("Consumes messages from Email Server using IMAP protocol. "
+ "The raw-bytes of each received email message are written as contents of the FlowFile")
@Tags({ "Email", "Imap", "Get", "Ingest", "Ingress", "Message", "Consume" })
public class ConsumeIMAP extends AbstractEmailProcessor<ImapMailReceiver> {
public static final PropertyDescriptor SHOULD_MARK_READ = new PropertyDescriptor.Builder()
.name("Mark Messages as Read")
.description("Specify if messages should be marked as read after retrieval.")
.required(true)
.allowableValues("true", "false")
.defaultValue("false")
.addValidator(StandardValidators.BOOLEAN_VALIDATOR)
.build();
public static final PropertyDescriptor USE_SSL = new PropertyDescriptor.Builder()
.name("Use SSL")
.description("Specifies if IMAP connection must be obtained via SSL encrypted connection (i.e., IMAPS)")
.required(true)
.allowableValues("true", "false")
.defaultValue("true")
.addValidator(StandardValidators.BOOLEAN_VALIDATOR)
.build();
static final List<PropertyDescriptor> DESCRIPTORS;
static {
List<PropertyDescriptor> _descriptors = new ArrayList<>();
_descriptors.addAll(SHARED_DESCRIPTORS);
_descriptors.add(SHOULD_MARK_READ);
_descriptors.add(USE_SSL);
DESCRIPTORS = Collections.unmodifiableList(_descriptors);
}
/**
*
*/
@Override
protected ImapMailReceiver buildMessageReceiver(ProcessContext processContext) {
ImapMailReceiver receiver = new ImapMailReceiver(this.buildUrl(processContext));
boolean shouldMarkAsRead = processContext.getProperty(SHOULD_MARK_READ).asBoolean();
receiver.setShouldMarkMessagesAsRead(shouldMarkAsRead);
return receiver;
}
/**
*
*/
@Override
protected String getProtocol(ProcessContext processContext) {
return processContext.getProperty(USE_SSL).asBoolean() ? "imaps" : "imap";
}
/**
*
*/
@Override
protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
return DESCRIPTORS;
}
}