| /**************************************************************** |
| * 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.message; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.james.mime4j.dom.Multipart; |
| import org.apache.james.mime4j.stream.NameValuePair; |
| import org.apache.james.mime4j.util.ByteSequence; |
| import org.apache.james.mime4j.util.ContentUtil; |
| |
| /** |
| * Default implementation of {@link Multipart}. |
| */ |
| public class MultipartImpl extends AbstractMultipart { |
| |
| private ByteSequence preamble; |
| private transient String preambleStrCache; |
| private transient boolean preambleComputed = false; |
| private ByteSequence epilogue; |
| private transient String epilogueStrCache; |
| private transient boolean epilogueComputed = false; |
| |
| public MultipartImpl(String subType) { |
| this(subType, Collections.<NameValuePair>emptyList()); |
| } |
| |
| /** |
| * Creates a new empty <code>Multipart</code> instance. |
| */ |
| public MultipartImpl(String subType, List<NameValuePair> parameters) { |
| super(subType, parameters); |
| preamble = null; |
| preambleStrCache = null; |
| preambleComputed = true; |
| epilogue = null; |
| epilogueStrCache = null; |
| epilogueComputed = true; |
| } |
| |
| // package private for now; might become public someday |
| public ByteSequence getPreambleRaw() { |
| return preamble; |
| } |
| |
| public void setPreambleRaw(ByteSequence preamble) { |
| this.preamble = preamble; |
| this.preambleStrCache = null; |
| this.preambleComputed = false; |
| } |
| |
| /** |
| * Gets the preamble. |
| * |
| * @return the preamble. |
| */ |
| @Override |
| public String getPreamble() { |
| if (!preambleComputed) { |
| preambleStrCache = preamble != null ? ContentUtil.decode(preamble) : null; |
| preambleComputed = true; |
| } |
| return preambleStrCache; |
| } |
| |
| /** |
| * Sets the preamble. |
| * |
| * @param preamble |
| * the preamble. |
| */ |
| @Override |
| public void setPreamble(String preamble) { |
| this.preamble = preamble != null ? ContentUtil.encode(preamble) : null; |
| this.preambleStrCache = preamble; |
| this.preambleComputed = true; |
| } |
| |
| // package private for now; might become public someday |
| public ByteSequence getEpilogueRaw() { |
| return epilogue; |
| } |
| |
| public void setEpilogueRaw(ByteSequence epilogue) { |
| this.epilogue = epilogue; |
| this.epilogueStrCache = null; |
| this.epilogueComputed = false; |
| } |
| |
| /** |
| * Gets the epilogue. |
| * |
| * @return the epilogue. |
| */ |
| @Override |
| public String getEpilogue() { |
| if (!epilogueComputed) { |
| epilogueStrCache = epilogue != null ? ContentUtil.decode(epilogue) : null; |
| epilogueComputed = true; |
| } |
| return epilogueStrCache; |
| } |
| |
| /** |
| * Sets the epilogue. |
| * |
| * @param epilogue |
| * the epilogue. |
| */ |
| @Override |
| public void setEpilogue(String epilogue) { |
| this.epilogue = epilogue != null ? ContentUtil.encode(epilogue) : null; |
| this.epilogueStrCache = epilogue; |
| this.epilogueComputed = true; |
| } |
| |
| } |