| /* ==================================================================== |
| 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.hmef.attribute; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| |
| import org.apache.poi.hmef.Attachment; |
| import org.apache.poi.hmef.CompressedRTF; |
| import org.apache.poi.hmef.HMEFMessage; |
| import org.apache.poi.hsmf.datatypes.MAPIProperty; |
| import org.apache.poi.util.IOUtils; |
| import org.apache.poi.util.StringUtil; |
| |
| /** |
| * A pure-MAPI attribute holding RTF (compressed or not), which applies |
| * to a {@link HMEFMessage} or one of its {@link Attachment}s. |
| */ |
| public final class MAPIRtfAttribute extends MAPIAttribute { |
| |
| //arbitrarily selected; may need to increase |
| private static final int MAX_RECORD_LENGTH = 50_000_000; |
| |
| private final byte[] decompressed; |
| private final String data; |
| |
| public MAPIRtfAttribute(MAPIProperty property, int type, byte[] data) throws IOException { |
| super(property, type, data); |
| |
| // Decompress it, removing any trailing padding as needed |
| CompressedRTF rtf = new CompressedRTF(); |
| byte[] tmp = rtf.decompress(new ByteArrayInputStream(data)); |
| if(tmp.length > rtf.getDeCompressedSize()) { |
| this.decompressed = IOUtils.safelyClone(tmp, 0, rtf.getDeCompressedSize(), MAX_RECORD_LENGTH); |
| } else { |
| this.decompressed = tmp; |
| } |
| |
| // Turn the RTF data into a more useful string |
| this.data = StringUtil.getFromCompressedUnicode(decompressed, 0, decompressed.length); |
| } |
| |
| /** |
| * Returns the original, compressed RTF |
| */ |
| public byte[] getRawData() { |
| return super.getData(); |
| } |
| |
| /** |
| * Returns the raw uncompressed RTF data |
| */ |
| public byte[] getData() { |
| return decompressed; |
| } |
| |
| /** |
| * Returns the uncompressed RTF as a string |
| */ |
| public String getDataString() { |
| return data; |
| } |
| |
| public String toString() { |
| return getProperty() + " " + data; |
| } |
| } |