Java tutorial
/* * Copyright 2002-2019 the original author or authors. * * 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 * * https://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.springframework.integration.mail; /** * Pre-defined header names to be used for setting and/or retrieving Mail * Message attributes from/to integration Message Headers. * * @author Mark Fisher * @author Gary Russell */ public final class MailHeaders { public static final String PREFIX = "mail_"; public static final String SUBJECT = PREFIX + "subject"; public static final String TO = PREFIX + "to"; public static final String CC = PREFIX + "cc"; public static final String BCC = PREFIX + "bcc"; public static final String FROM = PREFIX + "from"; public static final String REPLY_TO = PREFIX + "replyTo"; public static final String MULTIPART_MODE = PREFIX + "multipartMode"; public static final String ATTACHMENT_FILENAME = PREFIX + "attachmentFilename"; public static final String CONTENT_TYPE = PREFIX + "contentType"; public static final String RAW_HEADERS = PREFIX + "raw"; public static final String FLAGS = PREFIX + "flags"; public static final String LINE_COUNT = PREFIX + "lineCount"; public static final String RECEIVED_DATE = PREFIX + "receivedDate"; public static final String SIZE = PREFIX + "size"; public static final String EXPUNGED = PREFIX + "expunged"; private MailHeaders() { // empty } }