mirror of https://github.com/apache/poi.git
Make a start on the hyperlink record support - not finished yet though, so not enabled
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@617516 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch
parent
2f93d9dbe4
commit
dafc074271
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@ -0,0 +1,350 @@
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/* ====================================================================
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Copyright 2002-2004 Apache Software Foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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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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/*
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* HyperlinkRecord
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*
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* Created on February 20th, 2005, 16:00 PM
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*/
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package org.apache.poi.hssf.record;
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.net.URL;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.poi.util.HexDump;
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import org.apache.poi.util.LittleEndian;
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import org.apache.poi.util.StringUtil;
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/**The <code>HyperlinkRecord</code> wraps an HLINK-record from the Excel-97 format
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*
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* @version 20-feb-2005
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* @author Mark Hissink Muller <a href="mailto:mark@hissinkmuller.nl >mark&064;hissinkmuller.nl</a>
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*
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* Version by date changes
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* ------- --- -------- -------
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* 0.1 MHM 20022005 draft version; need to fix serialize and getRecordSize()
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*
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* 1.0 MHM 20022005 (Initial version; only aims to support internet URLs (e.g. http://www.example.com) ) - added 31-08-07: AFAIK, this file is NOT functional/working. Please let me know if you turn it into something that does work.
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*/
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public class HyperlinkRecord extends Record implements CellValueRecordInterface
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{
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/** Indicates the URL in the Record */
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private static byte[] GUID_OF_URL_MONIKER =
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{ -32, -55, -22, 121, -7, -70, -50, 17, -116, -126, 0, -86, 0, 75, -87, 11 };
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/** Indicates the STD_LINK in the Record */
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// MHM: to be added when necessary
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private static byte[] GUID_OF_STD_LINK = {};
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/** Logger */
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public static final Log log = LogFactory.getLog(HyperlinkRecord.class);
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// quick and dirty
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private static final boolean _DEBUG_ = true;
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public final static short sid = 0x1b8;
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private int field_1_row;
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private short field_2_column;
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private short field_3_xf_index;
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private short field_4_unknown;
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private byte[] field_5_unknown;
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private int field_6_url_len;
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private int field_7_label_len;
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private String field_8_label;
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private byte[] field_9_unknown;
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private String field_10_url;
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/** Blank Constructor */
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public HyperlinkRecord()
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{
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}
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/** Real Constructor */
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public HyperlinkRecord(RecordInputStream in)
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{
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super(in);
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}
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/* (non-Javadoc)
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* @see org.apache.poi.hssf.record.CellValueRecordInterface#getColumn()
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*/
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public short getColumn()
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{
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return field_2_column;
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}
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/* (non-Javadoc)
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* @see org.apache.poi.hssf.record.CellValueRecordInterface#getRow()
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*/
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public int getRow()
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{
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return field_1_row;
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}
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/* (non-Javadoc)
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* @see org.apache.poi.hssf.record.CellValueRecordInterface#getXFIndex()
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*/
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public short getXFIndex()
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{
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return field_3_xf_index;
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}
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/* (non-Javadoc)
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* @see org.apache.poi.hssf.record.CellValueRecordInterface#isAfter(org.apache.poi.hssf.record.CellValueRecordInterface)
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*/
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public boolean isAfter(CellValueRecordInterface i)
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{
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if (this.getRow() < i.getRow())
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{
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return false;
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}
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if ((this.getRow() == i.getRow()) && (this.getColumn() < i.getColumn()))
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{
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return false;
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}
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if ((this.getRow() == i.getRow()) && (this.getColumn() == i.getColumn()))
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{
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return false;
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}
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return true;
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}
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/* (non-Javadoc)
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* @see org.apache.poi.hssf.record.CellValueRecordInterface#isBefore(org.apache.poi.hssf.record.CellValueRecordInterface)
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*/
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public boolean isBefore(CellValueRecordInterface i)
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{
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if (this.getRow() > i.getRow())
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{
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return false;
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}
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if ((this.getRow() == i.getRow()) && (this.getColumn() > i.getColumn()))
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{
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return false;
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}
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if ((this.getRow() == i.getRow()) && (this.getColumn() == i.getColumn()))
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{
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return false;
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}
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return true;
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}
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/* (non-Javadoc)
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* @see org.apache.poi.hssf.record.CellValueRecordInterface#isEqual(org.apache.poi.hssf.record.CellValueRecordInterface)
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*/
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public boolean isEqual(CellValueRecordInterface i)
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{
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return ((this.getRow() == i.getRow()) && (this.getColumn() == i.getColumn()));
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}
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/* (non-Javadoc)
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* @see org.apache.poi.hssf.record.CellValueRecordInterface#setColumn(short)
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*/
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public void setColumn(short col)
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{
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this.field_2_column = col;
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}
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/* (non-Javadoc)
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* @see org.apache.poi.hssf.record.CellValueRecordInterface#setRow(int)
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*/
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public void setRow(int row)
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{
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this.field_1_row = row;
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}
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/* (non-Javadoc)
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* @see org.apache.poi.hssf.record.CellValueRecordInterface#setXFIndex(short)
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*/
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public void setXFIndex(short xf)
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{
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this.field_3_xf_index = xf;
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}
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/**
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* @param in the RecordInputstream to read the record from
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*/
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protected void fillFields(RecordInputStream in)
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{
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field_1_row = in.readUShort();
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field_2_column = in.readShort();
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field_3_xf_index = in.readShort();
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field_4_unknown = in.readShort();
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// Next up is 20 bytes we don't get
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field_5_unknown = new byte[20];
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try {
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in.read(field_5_unknown);
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} catch(IOException e) { throw new IllegalStateException(e); }
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// Now for lengths, in characters
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field_6_url_len = in.readInt();
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field_7_label_len = in.readInt();
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// Now we have the label, as little endian unicode,
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// with a trailing \0
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field_8_label = in.readUnicodeLEString(field_7_label_len);
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// Next up is some more data we can't make sense of
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field_9_unknown = new byte[20];
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try {
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in.read(field_9_unknown);
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} catch(IOException e) { throw new IllegalStateException(e); }
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// Finally it's the URL
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field_10_url = in.readUnicodeLEString(field_6_url_len);
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}
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/* (non-Javadoc)
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* @see org.apache.poi.hssf.record.Record#getSid()
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*/
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public short getSid()
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{
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return HyperlinkRecord.sid;
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}
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protected void validateSid(short id)
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{
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if (id != sid)
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{
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throw new RecordFormatException("NOT A HYPERLINKRECORD!");
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}
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}
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public int serialize(int offset, byte[] data)
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{
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LittleEndian.putShort(data, 0 + offset, sid);
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LittleEndian.putShort(data, 2 + offset,
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( short )(getRecordSize()-4));
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LittleEndian.putUShort(data, 4 + offset, field_1_row);
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LittleEndian.putShort(data, 6 + offset, field_2_column);
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LittleEndian.putShort(data, 8 + offset, field_3_xf_index);
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LittleEndian.putShort(data, 10 + offset, field_4_unknown);
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offset += 12;
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for(int i=0; i<field_5_unknown.length; i++) {
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data[offset] = field_5_unknown[i];
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offset++;
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}
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LittleEndian.putInt(data, offset, field_6_url_len);
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offset += 4;
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LittleEndian.putInt(data, offset, field_7_label_len);
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offset += 4;
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StringUtil.putUnicodeLE(field_8_label, data, offset);
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offset += field_8_label.length()*2;
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for(int i=0; i<field_9_unknown.length; i++) {
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data[offset] = field_9_unknown[i];
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offset++;
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}
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StringUtil.putUnicodeLE(field_10_url, data, offset);
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return getRecordSize();
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}
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public int getRecordSize()
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{
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// We have:
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// 4 shorts
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// junk
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// 2 ints
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// label
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// junk
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// url
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return 4 + 4*2 + field_5_unknown.length +
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2*4 + field_8_label.length()*2 +
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field_9_unknown.length +
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field_10_url.length()*2;
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}
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public String toString()
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{
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StringBuffer buffer = new StringBuffer();
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buffer.append("[HYPERLINK RECORD]\n");
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buffer.append(" .row = ").append(Integer.toHexString(getRow())).append("\n");
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buffer.append(" .column = ").append(Integer.toHexString(getColumn())).append("\n");
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buffer.append(" .xfindex = ").append(Integer.toHexString(getXFIndex())).append("\n");
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buffer.append(" .label = ").append(field_8_label).append("\n");
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buffer.append(" .url = ").append(field_10_url).append("\n");
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buffer.append("[/HYPERLINK RECORD]\n");
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return buffer.toString();
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}
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/**
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* @return Returns the label.
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*/
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public String getLabel()
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{
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if(field_8_label.length() == 0) {
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return "";
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} else {
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// Trim off \0
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return field_8_label.substring(0, field_8_label.length() - 1);
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}
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}
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/**
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* @param label The label to set.
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*/
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public void setLabel(String label)
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{
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this.field_8_label = label + '\u0000';
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this.field_7_label_len = field_8_label.length();
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}
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/**
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* @return Returns the Url.
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*/
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public URL getUrl() throws MalformedURLException
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{
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return new URL(getUrlString());
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}
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public String getUrlString()
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{
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if(field_10_url.length() == 0) {
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return "";
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} else {
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// Trim off \0
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return field_10_url.substring(0, field_10_url.length() - 1);
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}
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}
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/**
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* @param url The url to set.
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*/
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public void setUrl(URL url)
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{
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setUrl(url.toString());
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}
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/**
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* @param url The url to set.
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*/
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public void setUrl(String url)
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{
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this.field_10_url = url + '\u0000';
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this.field_6_url_len = field_10_url.length();
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}
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}
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@ -0,0 +1,84 @@
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/* ====================================================================
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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.hssf.record;
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import java.io.ByteArrayInputStream;
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import java.net.URL;
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import junit.framework.TestCase;
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public class TestHyperlinkRecord extends TestCase {
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protected void setUp() throws Exception {
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super.setUp();
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}
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private byte[] data = new byte[] {
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-72, 1, 110, 0,
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// Row, col, xf, ??
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6, 0, 3, 0, 2, 0, 2, 0,
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// ??
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-48, -55, -22, 121, -7, -70, -50, 17,
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-116, -126, 0, -86, 0, 75, -87, 11,
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2, 0, 0, 0,
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// URL length
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23, 0, 0, 0,
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// Label length
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4, 0, 0, 0,
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// Label
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76, 0, 44, 0, 65, 0, 0, 0,
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// ??
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-32, -55, -22, 121, -7, -70, -50, 17,
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-116, -126, 0, -86, 0, 75, -87, 11,
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46, 0, 0, 0,
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// URL
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104, 0, 116, 0, 116, 0, 112, 0, 58, 0, 47, 0, 47, 0, 119,
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0, 119, 0, 119, 0, 46, 0, 108, 0, 97, 0, 107, 0, 105,
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0, 110, 0, 103, 0, 115, 0, 46, 0, 99, 0, 111, 0,
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109, 0,
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0, 0 };
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public void testRecordParsing() throws Exception {
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RecordInputStream inp = new RecordInputStream(
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new ByteArrayInputStream(data)
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);
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inp.nextRecord();
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HyperlinkRecord r = new HyperlinkRecord(inp);
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assertEquals(6, r.getRow());
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assertEquals(3, r.getColumn());
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assertEquals(2, r.getXFIndex());
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assertEquals("L,A", r.getLabel());
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assertEquals("http://www.lakings.com", r.getUrlString());
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assertEquals(new URL("http://www.lakings.com"), r.getUrl());
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// Check it serialises as expected
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assertEquals(data.length, r.getRecordSize());
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byte[] d = r.serialize();
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assertEquals(data.length, d.length);
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for(int i=0; i<data.length; i++) {
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assertEquals(data[i], d[i]);
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}
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}
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}
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