| /**************************************************************** |
| * 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.james.mime4j.field; |
| |
| |
| |
| /** |
| * Represents a <code>Content-Transfer-Encoding</code> field. |
| * |
| * |
| * @version $Id: ContentTransferEncodingField.java,v 1.2 2004/10/02 12:41:11 ntherning Exp $ |
| */ |
| public class ContentTransferEncodingField extends Field { |
| /** |
| * The <code>7bit</code> encoding. |
| */ |
| public static final String ENC_7BIT = "7bit"; |
| /** |
| * The <code>8bit</code> encoding. |
| */ |
| public static final String ENC_8BIT = "8bit"; |
| /** |
| * The <code>binary</code> encoding. |
| */ |
| public static final String ENC_BINARY = "binary"; |
| /** |
| * The <code>quoted-printable</code> encoding. |
| */ |
| public static final String ENC_QUOTED_PRINTABLE = "quoted-printable"; |
| /** |
| * The <code>base64</code> encoding. |
| */ |
| public static final String ENC_BASE64 = "base64"; |
| |
| private String encoding; |
| |
| protected ContentTransferEncodingField(String name, String body, String raw, String encoding) { |
| super(name, body, raw); |
| this.encoding = encoding; |
| } |
| |
| /** |
| * Gets the encoding defined in this field. |
| * |
| * @return the encoding or an empty string if not set. |
| */ |
| public String getEncoding() { |
| return encoding; |
| } |
| |
| /** |
| * Gets the encoding of the given field if. Returns the default |
| * <code>7bit</code> if not set or if |
| * <code>f</code> is <code>null</code>. |
| * |
| * @return the encoding. |
| */ |
| public static String getEncoding(ContentTransferEncodingField f) { |
| if (f != null && f.getEncoding().length() != 0) { |
| return f.getEncoding(); |
| } |
| return ENC_7BIT; |
| } |
| |
| public static class Parser implements FieldParser { |
| public Field parse(final String name, final String body, final String raw) { |
| final String encoding = body.trim().toLowerCase(); |
| return new ContentTransferEncodingField(name, body, raw, encoding); |
| } |
| } |
| } |