| /* ==================================================================== |
| 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.poi.hsmf.datatypes; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import org.apache.poi.hsmf.MAPIMessage; |
| import org.apache.poi.hsmf.datatypes.Types.MAPIType; |
| import org.apache.poi.poifs.filesystem.DirectoryNode; |
| |
| /** |
| * A Chunk that is just a placeholder in the MAPIMessage directory structure, |
| * which contains children. This is most commonly used with nested MAPIMessages |
| */ |
| public class DirectoryChunk extends Chunk { |
| private DirectoryNode dir; |
| |
| public DirectoryChunk(DirectoryNode dir, String namePrefix, int chunkId, MAPIType type) { |
| super(namePrefix, chunkId, type); |
| this.dir = dir; |
| } |
| |
| /** |
| * Returns the directory entry for this chunk. You can then use standard |
| * POIFS methods to enumerate the entries in it. |
| */ |
| public DirectoryNode getDirectory() { |
| return dir; |
| } |
| |
| /** |
| * Treats the directory as an embeded MAPIMessage (it normally is one), and |
| * returns a MAPIMessage object to process it with. |
| */ |
| public MAPIMessage getAsEmbededMessage() throws IOException { |
| return new MAPIMessage(dir); |
| } |
| |
| @Override |
| public void readValue(InputStream value) { |
| // DirectoryChunks have 0 byte contents |
| } |
| |
| @Override |
| public void writeValue(OutputStream out) { |
| // DirectoryChunks have 0 byte contents |
| } |
| } |