hyperlinkrecord.java

实现JAVA界面的代码GWT

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   HyperlinkRecord.java

package jxl.read.biff;

import common.Logger;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import jxl.*;
import jxl.biff.*;

// Referenced classes of package jxl.read.biff:
//            Record

public class HyperlinkRecord extends RecordData
    implements Hyperlink
{
    private static class LinkType
    {

        private LinkType()
        {
        }

        LinkType(_cls1 x0)
        {
            this();
        }
    }


    private static Logger logger;
    private int firstRow;
    private int lastRow;
    private int firstColumn;
    private int lastColumn;
    private URL url;
    private File file;
    private String location;
    private SheetRangeImpl range;
    private LinkType linkType;
    private static final LinkType urlLink = new LinkType(null);
    private static final LinkType fileLink = new LinkType(null);
    private static final LinkType workbookLink = new LinkType(null);
    private static final LinkType unknown = new LinkType(null);
    static Class class$jxl$read$biff$HyperlinkRecord; /* synthetic field */

    HyperlinkRecord(Record t, Sheet s, WorkbookSettings ws)
    {
        super(t);
        linkType = unknown;
        byte data[] = getRecord().getData();
        firstRow = IntegerHelper.getInt(data[0], data[1]);
        lastRow = IntegerHelper.getInt(data[2], data[3]);
        firstColumn = IntegerHelper.getInt(data[4], data[5]);
        lastColumn = IntegerHelper.getInt(data[6], data[7]);
        range = new SheetRangeImpl(s, firstColumn, firstRow, lastColumn, lastRow);
        int options = IntegerHelper.getInt(data[28], data[29], data[30], data[31]);
        boolean description = (options & 0x14) != 0;
        int startpos = 32;
        int descbytes = 0;
        if(description)
        {
            int descchars = IntegerHelper.getInt(data[startpos], data[startpos + 1], data[startpos + 2], data[startpos + 3]);
            descbytes = descchars * 2 + 4;
        }
        startpos += descbytes;
        boolean targetFrame = (options & 0x80) != 0;
        int targetbytes = 0;
        if(targetFrame)
        {
            int targetchars = IntegerHelper.getInt(data[startpos], data[startpos + 1], data[startpos + 2], data[startpos + 3]);
            targetbytes = targetchars * 2 + 4;
        }
        startpos += targetbytes;
        if((options & 0x3) == 3)
        {
            linkType = urlLink;
            if(data[startpos] == 3)
                linkType = fileLink;
        } else
        if((options & 0x1) != 0)
        {
            linkType = fileLink;
            if(data[startpos] == -32)
                linkType = urlLink;
        } else
        if((options & 0x8) != 0)
            linkType = workbookLink;
        if(linkType == urlLink)
        {
            String urlString = null;
            try
            {
                startpos += 16;
                int bytes = IntegerHelper.getInt(data[startpos], data[startpos + 1], data[startpos + 2], data[startpos + 3]);
                urlString = StringHelper.getUnicodeString(data, bytes / 2 - 1, startpos + 4);
                url = new URL(urlString);
            }
            catch(MalformedURLException e)
            {
                logger.warn("URL " + urlString + " is malformed.  Trying a file");
                try
                {
                    linkType = fileLink;
                    file = new File(urlString);
                }
                catch(Exception e3)
                {
                    logger.warn("Cannot set to file.  Setting a default URL");
                    try
                    {
                        linkType = urlLink;
                        url = new URL("http://www.andykhan.com/jexcelapi/index.html");
                    }
                    catch(MalformedURLException e2) { }
                }
            }
            catch(Throwable e)
            {
                StringBuffer sb1 = new StringBuffer();
                StringBuffer sb2 = new StringBuffer();
                CellReferenceHelper.getCellReference(firstColumn, firstRow, sb1);
                CellReferenceHelper.getCellReference(lastColumn, lastRow, sb2);
                sb1.insert(0, "Exception when parsing URL ");
                sb1.append('"').append(sb2.toString()).append("\".  Using default.");
                logger.warn(sb1, e);
                try
                {
                    url = new URL("http://www.andykhan.com/jexcelapi/index.html");
                }
                catch(MalformedURLException e2) { }
            }
        } else
        if(linkType == fileLink)
            try
            {
                startpos += 16;
                int upLevelCount = IntegerHelper.getInt(data[startpos], data[startpos + 1]);
                int chars = IntegerHelper.getInt(data[startpos + 2], data[startpos + 3], data[startpos + 4], data[startpos + 5]);
                String fileName = StringHelper.getString(data, chars - 1, startpos + 6, ws);
                StringBuffer sb = new StringBuffer();
                for(int i = 0; i < upLevelCount; i++)
                    sb.append("..\\");

                sb.append(fileName);
                file = new File(sb.toString());
            }
            catch(Throwable e)
            {
                e.printStackTrace();
                logger.warn("Exception when parsing file " + e.getClass().getName() + ".");
                file = new File(".");
            }
        else
        if(linkType == workbookLink)
        {
            int chars = IntegerHelper.getInt(data[32], data[33], data[34], data[35]);
            location = StringHelper.getUnicodeString(data, chars - 1, 36);
        } else
        {
            logger.warn("Cannot determine link type");
            return;
        }
    }

    public boolean isFile()
    {
        return linkType == fileLink;
    }

    public boolean isURL()
    {
        return linkType == urlLink;
    }

    public boolean isLocation()
    {
        return linkType == workbookLink;
    }

    public int getRow()
    {
        return firstRow;
    }

    public int getColumn()
    {
        return firstColumn;
    }

    public int getLastRow()
    {
        return lastRow;
    }

    public int getLastColumn()
    {
        return lastColumn;
    }

    public URL getURL()
    {
        return url;
    }

    public File getFile()
    {
        return file;
    }

    public Record getRecord()
    {
        return super.getRecord();
    }

    public Range getRange()
    {
        return range;
    }

    public String getLocation()
    {
        return location;
    }

    static Class class$(String x0)
    {
        return Class.forName(x0);
        ClassNotFoundException x1;
        x1;
        throw new NoClassDefFoundError(x1.getMessage());
    }

    static 
    {
        logger = Logger.getLogger(class$jxl$read$biff$HyperlinkRecord != null ? class$jxl$read$biff$HyperlinkRecord : (class$jxl$read$biff$HyperlinkRecord = class$("jxl.read.biff.HyperlinkRecord")));
    }

// Unreferenced inner classes:

/* anonymous class */
    static class _cls1
    {
    }

}