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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.poi.ddf;
-
- import org.apache.poi.hslf.record.RecordTypes;
- import org.apache.poi.util.HexDump;
- import org.apache.poi.util.LittleEndian;
- import org.apache.poi.util.RecordFormatException;
-
- /**
- * Holds data from the parent application. Most commonly used to store
- * text in the format of the parent application, rather than in
- * Escher format. We don't attempt to understand the contents, since
- * they will be in the parent's format, not Escher format.
- *
- * @author Glen Stampoultzis (glens at apache.org)
- * @author Nick Burch (nick at torchbox dot com)
- */
- public class EscherTextboxRecord extends EscherRecord
- {
- public static final short RECORD_ID = (short)RecordTypes.EscherClientTextbox;
- public static final String RECORD_DESCRIPTION = "msofbtClientTextbox";
-
- private static final byte[] NO_BYTES = new byte[0];
-
- /** The data for this record not including the the 8 byte header */
- private byte[] thedata = NO_BYTES;
-
- public EscherTextboxRecord()
- {
- }
-
- public int fillFields(byte[] data, int offset, EscherRecordFactory recordFactory) {
- int bytesRemaining = readHeader( data, offset );
-
- // Save the data, ready for the calling code to do something
- // useful with it
- thedata = new byte[bytesRemaining];
- System.arraycopy( data, offset + 8, thedata, 0, bytesRemaining );
- return bytesRemaining + 8;
- }
-
- public int serialize( int offset, byte[] data, EscherSerializationListener listener )
- {
- listener.beforeRecordSerialize( offset, getRecordId(), this );
-
- LittleEndian.putShort(data, offset, getOptions());
- LittleEndian.putShort(data, offset+2, getRecordId());
- int remainingBytes = thedata.length;
- LittleEndian.putInt(data, offset+4, remainingBytes);
- System.arraycopy(thedata, 0, data, offset+8, thedata.length);
- int pos = offset+8+thedata.length;
-
- listener.afterRecordSerialize( pos, getRecordId(), pos - offset, this );
- int size = pos - offset;
- if (size != getRecordSize())
- throw new RecordFormatException(size + " bytes written but getRecordSize() reports " + getRecordSize());
- return size;
- }
-
- /**
- * Returns any extra data associated with this record. In practice excel
- * does not seem to put anything here, but with PowerPoint this will
- * contain the bytes that make up a TextHeaderAtom followed by a
- * TextBytesAtom/TextCharsAtom
- */
- public byte[] getData()
- {
- return thedata;
- }
-
- /**
- * Sets the extra data (in the parent application's format) to be
- * contained by the record. Used when the parent application changes
- * the contents.
- */
- public void setData(byte[] b, int start, int length)
- {
- thedata = new byte[length];
- System.arraycopy(b,start,thedata,0,length);
- }
- public void setData(byte[] b) {
- setData(b,0,b.length);
- }
-
- public int getRecordSize()
- {
- return 8 + thedata.length;
- }
-
- public Object clone()
- {
- // shallow clone
- return super.clone();
- }
-
- public String getRecordName() {
- return "ClientTextbox";
- }
-
- public String toString()
- {
- String nl = System.getProperty( "line.separator" );
-
- String theDumpHex = "";
- try
- {
- if (thedata.length != 0)
- {
- theDumpHex = " Extra Data:" + nl;
- theDumpHex += HexDump.dump(thedata, 0, 0);
- }
- }
- catch ( Exception e )
- {
- theDumpHex = "Error!!";
- }
-
- return getClass().getName() + ":" + nl +
- " isContainer: " + isContainerRecord() + nl +
- " version: 0x" + HexDump.toHex( getVersion() ) + nl +
- " instance: 0x" + HexDump.toHex( getInstance() ) + nl +
- " recordId: 0x" + HexDump.toHex( getRecordId() ) + nl +
- " numchildren: " + getChildRecords().size() + nl +
- theDumpHex;
- }
-
- @Override
- public String toXml(String tab) {
- String theDumpHex = "";
- try
- {
- if (thedata.length != 0)
- {
- theDumpHex += HexDump.dump(thedata, 0, 0);
- }
- }
- catch ( Exception e )
- {
- theDumpHex = "Error!!";
- }
- StringBuilder builder = new StringBuilder();
- builder.append(tab).append(formatXmlRecordHeader(getClass().getSimpleName(), HexDump.toHex(getRecordId()), HexDump.toHex(getVersion()), HexDump.toHex(getInstance())))
- .append(tab).append("\t").append("<ExtraData>").append(theDumpHex).append("</ExtraData>\n");
- builder.append(tab).append("</").append(getClass().getSimpleName()).append(">\n");
- return builder.toString();
- }
- }
-
-
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