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/*
* 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.tika.parser.microsoft;
import java.io.IOException;
import org.apache.poi.hsmf.MAPIMessage;
import org.apache.poi.hsmf.datatypes.AttachmentChunks;
import org.apache.poi.hsmf.exceptions.ChunkNotFoundException;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.tika.exception.TikaException;
import org.apache.tika.io.TikaInputStream;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.sax.XHTMLContentHandler;
import org.xml.sax.SAXException;
/**
* Outlook Message Parser.
*/
public class OutlookExtractor extends AbstractPOIFSExtractor {
private final MAPIMessage msg;
public OutlookExtractor(POIFSFileSystem filesystem, ParseContext context) throws TikaException {
super(context);
try {
this.msg = new MAPIMessage(filesystem);
} catch (IOException e) {
throw new TikaException("Failed to parse Outlook message", e);
}
}
public void parse(XHTMLContentHandler xhtml, Metadata metadata)
throws TikaException, SAXException, IOException {
try {
msg.setReturnNullOnMissingChunk(true);
String subject = msg.getSubject();
String from = msg.getDisplayFrom();
metadata.set(Metadata.AUTHOR, from);
metadata.set(Metadata.MESSAGE_FROM, from);
metadata.set(Metadata.MESSAGE_TO, msg.getDisplayTo());
metadata.set(Metadata.MESSAGE_CC, msg.getDisplayCC());
metadata.set(Metadata.MESSAGE_BCC, msg.getDisplayBCC());
metadata.set(Metadata.TITLE, subject);
metadata.set(Metadata.SUBJECT, msg.getConversationTopic());
try {
for(String recipientAddress : msg.getRecipientEmailAddressList()) {
if(recipientAddress != null)
metadata.add(Metadata.MESSAGE_RECIPIENT_ADDRESS, recipientAddress);
}
} catch(ChunkNotFoundException he) {} // Will be fixed in POI 3.7 Final
// Date - try two ways to find it
// First try via the proper chunk
if(msg.getMessageDate() != null) {
metadata.set(Metadata.EDIT_TIME, msg.getMessageDate().getTime().toString());
metadata.set(Metadata.LAST_SAVED, msg.getMessageDate().getTime().toString());
} else {
try {
// Failing that try via the raw headers
String[] headers = msg.getHeaders();
if(headers != null && headers.length > 0) {
for(String header: headers) {
if(header.toLowerCase().startsWith("date:")) {
String date = header.substring(header.indexOf(':')+1);
metadata.set(Metadata.EDIT_TIME, date);
metadata.set(Metadata.LAST_SAVED, date);
break;
}
}
}
} catch(ChunkNotFoundException he) {
// We can't find the date, sorry...
}
}
xhtml.element("h1", subject);
// Output the from and to details in text, as you
// often want them in text form for searching
xhtml.startElement("dl");
header(xhtml, "From", from);
header(xhtml, "To", msg.getDisplayTo());
header(xhtml, "Cc", msg.getDisplayCC());
header(xhtml, "Bcc", msg.getDisplayBCC());
try {
header(xhtml, "Recipients", msg.getRecipientEmailAddress());
} catch(ChunkNotFoundException e) {}
xhtml.endElement("dl");
xhtml.element("p", msg.getTextBody());
for (AttachmentChunks attachment : msg.getAttachmentFiles()) {
xhtml.startElement("div", "class", "attachment-entry");
String filename = null;
if (attachment.attachLongFileName != null) {
filename = attachment.attachLongFileName.getValue();
} else if (attachment.attachFileName != null) {
filename = attachment.attachFileName.getValue();
}
if (filename != null && filename.length() > 0) {
xhtml.element("h1", filename);
}
if(attachment.attachData != null) {
handleEmbeddedResource(
TikaInputStream.get(attachment.attachData.getValue()),
filename,
null, xhtml, true
);
}
if(attachment.attachmentDirectory != null) {
handleEmbededOfficeDoc(
attachment.attachmentDirectory.getDirectory(),
xhtml
);
}
xhtml.endElement("div");
}
} catch(ChunkNotFoundException e) {
throw new TikaException("POI MAPIMessage broken - didn't return null on missing chunk", e);
}
}
private void header(XHTMLContentHandler xhtml, String key, String value)
throws SAXException {
if (value.length() > 0) {
xhtml.element("dt", key);
xhtml.element("dd", value);
}
}
}
