121 lines
4.0 KiB
Java
121 lines
4.0 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hsmf.datatypes;
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import java.util.ArrayList;
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import java.util.Comparator;
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import java.util.List;
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/**
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* Collection of convenence chunks for standard parts of the MSG file attachment.
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*/
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public class AttachmentChunks implements ChunkGroup {
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public static final String PREFIX = "__attach_version1.0_#";
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/* String parts of Outlook Messages Attachments that are currently known */
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public static final int ATTACH_DATA = 0x3701;
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// 0x3702 might be "attach encoding"
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public static final int ATTACH_EXTENSION = 0x3703;
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public static final int ATTACH_FILENAME = 0x3704;
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// 0x3705 might be "attach method"
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public static final int ATTACH_LONG_FILENAME = 0x3707;
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public static final int ATTACH_RENDERING_WMF = 0x3709;
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// 0x370B might be "rendering position"
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public static final int ATTACH_MIME_TAG = 0x370E;
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public ByteChunk attachData;
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public StringChunk attachExtension;
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public StringChunk attachFileName;
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public StringChunk attachLongFileName;
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public StringChunk attachMimeTag;
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public DirectoryChunk attachmentDirectory;
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/**
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* This is in WMF Format. You'll probably want to pass it
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* to Apache Batik to turn it into a SVG that you can
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* then display.
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*/
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public ByteChunk attachRenderingWMF;
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/**
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* What the POIFS name of this attachment is.
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*/
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private String poifsName;
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/** Holds all the chunks that were found. */
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private List<Chunk> allChunks = new ArrayList<Chunk>();
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public AttachmentChunks(String poifsName) {
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this.poifsName = poifsName;
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}
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public Chunk[] getAll() {
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return allChunks.toArray(new Chunk[allChunks.size()]);
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}
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public Chunk[] getChunks() {
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return getAll();
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}
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public String getPOIFSName() {
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return poifsName;
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}
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/**
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* Called by the parser whenever a chunk is found.
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*/
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public void record(Chunk chunk) {
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switch(chunk.getChunkId()) {
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case ATTACH_DATA:
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if(chunk instanceof ByteChunk) {
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attachData = (ByteChunk)chunk;
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} else if(chunk instanceof DirectoryChunk) {
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attachmentDirectory = (DirectoryChunk)chunk;
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} else {
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System.err.println("Unexpected data chunk of type " + chunk);
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}
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break;
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case ATTACH_EXTENSION:
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attachExtension = (StringChunk)chunk;
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break;
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case ATTACH_FILENAME:
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attachFileName = (StringChunk)chunk;
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break;
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case ATTACH_LONG_FILENAME:
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attachLongFileName = (StringChunk)chunk;
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break;
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case ATTACH_MIME_TAG:
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attachMimeTag = (StringChunk)chunk;
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break;
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case ATTACH_RENDERING_WMF:
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attachRenderingWMF = (ByteChunk)chunk;
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}
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// And add to the main list
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allChunks.add(chunk);
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}
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/**
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* Orders by the attachment number.
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*/
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public static class AttachmentChunksSorter implements Comparator<AttachmentChunks> {
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public int compare(AttachmentChunks a, AttachmentChunks b) {
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return a.poifsName.compareTo(b.poifsName);
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}
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}
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}
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