google-nomulus/java/google/registry/util/EmailMessage.java
gbrodman 50e0a9b532 Refactor common email sending utility
The main thrust of this is to create a common POJO that contains email content in a simple way, then have one class that converts that to an email and sends it. Any class that uses email should only have to deal with creating that POJO.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=237883643
2019-03-20 14:25:28 -04:00

94 lines
3.1 KiB
Java

// Copyright 2019 The Nomulus Authors. All Rights Reserved.
//
// 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 google.registry.util;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.google.common.net.MediaType;
import java.util.Collection;
import java.util.Optional;
import javax.mail.internet.InternetAddress;
/** Value class representing the content and metadata of an email. */
@AutoValue
public abstract class EmailMessage {
public abstract String subject();
public abstract String body();
public abstract ImmutableList<InternetAddress> recipients();
public abstract InternetAddress from();
public abstract Optional<InternetAddress> bcc();
public abstract Optional<MediaType> contentType();
public abstract Optional<Attachment> attachment();
public static Builder newBuilder() {
return new AutoValue_EmailMessage.Builder();
}
public static EmailMessage create(
String subject, String body, InternetAddress recipient, InternetAddress from) {
return newBuilder()
.setSubject(subject)
.setBody(body)
.setRecipients(ImmutableList.of(recipient))
.setFrom(from)
.build();
}
/** Builder for {@link EmailMessage}. */
@AutoValue.Builder
public abstract static class Builder {
public abstract Builder setSubject(String subject);
public abstract Builder setBody(String body);
public abstract Builder setRecipients(Collection<InternetAddress> recipients);
public abstract Builder setFrom(InternetAddress from);
public abstract Builder setBcc(InternetAddress bcc);
public abstract Builder setContentType(MediaType contentType);
public abstract Builder setAttachment(Attachment attachment);
abstract ImmutableList.Builder<InternetAddress> recipientsBuilder();
public Builder addRecipient(InternetAddress value) {
recipientsBuilder().add(value);
return this;
}
public abstract EmailMessage build();
}
/** An attachment to the email, if one exists. */
@AutoValue
public abstract static class Attachment {
public abstract MediaType contentType();
public abstract String filename();
public abstract String content();
public static Builder newBuilder() {
return new AutoValue_EmailMessage_Attachment.Builder();
}
/** Builder for {@link Attachment}. */
@AutoValue.Builder
public abstract static class Builder {
public abstract Builder setContentType(MediaType contentType);
public abstract Builder setFilename(String filename);
public abstract Builder setContent(String content);
public abstract Attachment build();
}
}
}