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// Copyright (C) 2009 The Android Open Source Project
//
// 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 com.google.gerrit.server.mail.send;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.common.errors.EmailException;
import com.google.gerrit.mail.Address;
import com.google.gerrit.mail.EmailHeader;
import java.util.Collection;
import java.util.Map;
/** Sends email messages to third parties. */
public interface EmailSender {
boolean isEnabled();
/**
* Can the address receive messages from us?
*
* @param address the address to consider.
* @return true if this sender will deliver to the address.
*/
boolean canEmail(String address);
/**
* Sends an email message. Messages always contain a text body, but messages can optionally
* include an additional HTML body. If both body types are present, {@code send} should construct
* a {@code multipart/alternative} message with an appropriately-selected boundary.
*
* @param from who the message is from.
* @param rcpt one or more address where the message will be delivered to. This list overrides any
* To or CC headers in {@code headers}.
* @param headers message headers.
* @param textBody text to appear in the {@code text/plain} body of the message.
* @param htmlBody optional HTML code to appear in the {@code text/html} body of the message.
* @throws EmailException the message cannot be sent.
*/
default void send(
Address from,
Collection<Address> rcpt,
Map<String, EmailHeader> headers,
String textBody,
@Nullable String htmlBody)
throws EmailException {
send(from, rcpt, headers, textBody);
}
/**
* Sends an email message with a text body only (i.e. not HTML or multipart).
*
* <p>Authors of new implementations of this interface should not use this method to send a
* message because this method does not accept the HTML body. Instead, authors should use the
* above signature of {@code send}.
*
* <p>This version of the method is preserved for support of legacy implementations.
*
* @param from who the message is from.
* @param rcpt one or more address where the message will be delivered to. This list overrides any
* To or CC headers in {@code headers}.
* @param headers message headers.
* @param body text to appear in the body of the message.
* @throws EmailException the message cannot be sent.
*/
void send(Address from, Collection<Address> rcpt, Map<String, EmailHeader> headers, String body)
throws EmailException;
}
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