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hrmsEjb/jxl/read/biff/HyperlinkRecord.java

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+package jxl.read.biff;
+
+import common.Logger;
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+import jxl.CellReferenceHelper;
+import jxl.Hyperlink;
+import jxl.Range;
+import jxl.Sheet;
+import jxl.WorkbookSettings;
+import jxl.biff.IntegerHelper;
+import jxl.biff.RecordData;
+import jxl.biff.SheetRangeImpl;
+import jxl.biff.StringHelper;
+
+public class HyperlinkRecord extends RecordData implements Hyperlink {
+  private static Logger logger = Logger.getLogger(HyperlinkRecord.class);
+  
+  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 class LinkType {
+    private LinkType() {}
+  }
+  
+  private static final LinkType urlLink = new LinkType();
+  
+  private static final LinkType fileLink = new LinkType();
+  
+  private static final LinkType workbookLink = new LinkType();
+  
+  private static final LinkType unknown = new LinkType();
+  
+  HyperlinkRecord(Record t, Sheet s, WorkbookSettings ws) {
+    super(t);
+    this.linkType = unknown;
+    byte[] data = getRecord().getData();
+    this.firstRow = IntegerHelper.getInt(data[0], data[1]);
+    this.lastRow = IntegerHelper.getInt(data[2], data[3]);
+    this.firstColumn = IntegerHelper.getInt(data[4], data[5]);
+    this.lastColumn = IntegerHelper.getInt(data[6], data[7]);
+    this.range = new SheetRangeImpl(s, this.firstColumn, this.firstRow, this.lastColumn, this.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) {
+      this.linkType = urlLink;
+      if (data[startpos] == 3)
+        this.linkType = fileLink; 
+    } else if ((options & 0x1) != 0) {
+      this.linkType = fileLink;
+      if (data[startpos] == -32)
+        this.linkType = urlLink; 
+    } else if ((options & 0x8) != 0) {
+      this.linkType = workbookLink;
+    } 
+    if (this.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);
+        this.url = new URL(urlString);
+      } catch (MalformedURLException e) {
+        logger.warn("URL " + urlString + " is malformed.  Trying a file");
+        try {
+          this.linkType = fileLink;
+          this.file = new File(urlString);
+        } catch (Exception e3) {
+          logger.warn("Cannot set to file.  Setting a default URL");
+          try {
+            this.linkType = urlLink;
+            this.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(this.firstColumn, this.firstRow, sb1);
+        CellReferenceHelper.getCellReference(this.lastColumn, this.lastRow, sb2);
+        sb1.insert(0, "Exception when parsing URL ");
+        sb1.append('"').append(sb2.toString()).append("\".  Using default.");
+        logger.warn(sb1, e);
+        try {
+          this.url = new URL("http://www.andykhan.com/jexcelapi/index.html");
+        } catch (MalformedURLException e2) {}
+      } 
+    } else if (this.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);
+        this.file = new File(sb.toString());
+      } catch (Throwable e) {
+        e.printStackTrace();
+        logger.warn("Exception when parsing file " + e.getClass().getName() + ".");
+        this.file = new File(".");
+      } 
+    } else if (this.linkType == workbookLink) {
+      int chars = IntegerHelper.getInt(data[32], data[33], data[34], data[35]);
+      this.location = StringHelper.getUnicodeString(data, chars - 1, 36);
+    } else {
+      logger.warn("Cannot determine link type");
+      return;
+    } 
+  }
+  
+  public boolean isFile() {
+    return (this.linkType == fileLink);
+  }
+  
+  public boolean isURL() {
+    return (this.linkType == urlLink);
+  }
+  
+  public boolean isLocation() {
+    return (this.linkType == workbookLink);
+  }
+  
+  public int getRow() {
+    return this.firstRow;
+  }
+  
+  public int getColumn() {
+    return this.firstColumn;
+  }
+  
+  public int getLastRow() {
+    return this.lastRow;
+  }
+  
+  public int getLastColumn() {
+    return this.lastColumn;
+  }
+  
+  public URL getURL() {
+    return this.url;
+  }
+  
+  public File getFile() {
+    return this.file;
+  }
+  
+  public Record getRecord() {
+    return super.getRecord();
+  }
+  
+  public Range getRange() {
+    return (Range)this.range;
+  }
+  
+  public String getLocation() {
+    return this.location;
+  }
+}