98 lines
3.9 KiB
Java
98 lines
3.9 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.ddf;
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import org.apache.poi.util.LittleEndian;
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import org.apache.poi.util.HexDump;
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/**
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* @author Glen Stampoultzis
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*/
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public class EscherBlipRecord extends EscherRecord { // TODO - instantiable superclass
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public static final short RECORD_ID_START = (short) 0xF018;
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public static final short RECORD_ID_END = (short) 0xF117;
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public static final String RECORD_DESCRIPTION = "msofbtBlip";
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private static final int HEADER_SIZE = 8;
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protected byte[] field_pictureData;
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public EscherBlipRecord() {
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}
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public int fillFields(byte[] data, int offset, EscherRecordFactory recordFactory) {
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int bytesAfterHeader = readHeader( data, offset );
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int pos = offset + HEADER_SIZE;
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field_pictureData = new byte[bytesAfterHeader];
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System.arraycopy(data, pos, field_pictureData, 0, bytesAfterHeader);
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return bytesAfterHeader + 8;
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}
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public int serialize(int offset, byte[] data, EscherSerializationListener listener) {
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listener.beforeRecordSerialize(offset, getRecordId(), this);
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LittleEndian.putShort( data, offset, getOptions() );
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LittleEndian.putShort( data, offset + 2, getRecordId() );
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System.arraycopy( field_pictureData, 0, data, offset + 4, field_pictureData.length );
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listener.afterRecordSerialize(offset + 4 + field_pictureData.length, getRecordId(), field_pictureData.length + 4, this);
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return field_pictureData.length + 4;
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}
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public int getRecordSize() {
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return field_pictureData.length + HEADER_SIZE;
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}
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public String getRecordName() {
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return "Blip";
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}
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public byte[] getPicturedata() {
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return field_pictureData;
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}
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public void setPictureData(byte[] pictureData) {
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if (pictureData == null) {
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throw new NullPointerException("picture data can't be null");
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}
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field_pictureData = pictureData.clone();
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}
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public String toString() {
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String extraData = HexDump.toHex(field_pictureData, 32);
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return getClass().getName() + ":" + '\n' +
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" RecordId: 0x" + HexDump.toHex( getRecordId() ) + '\n' +
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" Version: 0x" + HexDump.toHex( getVersion() ) + '\n' +
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" Instance: 0x" + HexDump.toHex( getInstance() ) + '\n' +
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" Extra Data:" + '\n' + extraData;
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}
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@Override
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public String toXml(String tab) {
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String extraData = HexDump.toHex(field_pictureData, 32);
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StringBuilder builder = new StringBuilder();
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builder.append(tab).append(formatXmlRecordHeader(getClass().getSimpleName(), HexDump.toHex(getRecordId()), HexDump.toHex(getVersion()), HexDump.toHex(getInstance())))
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.append(tab).append("\t").append("<ExtraData>").append(extraData).append("</ExtraData>\n");
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builder.append(tab).append("</").append(getClass().getSimpleName()).append(">\n");
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return builder.toString();
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}
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}
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