first commit

rus/WEB-INF/lib/jxl_src/jxl/demo/PropertySetsReader.java

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+package jxl.demo;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import jxl.WorkbookSettings;
+import jxl.biff.BaseCompoundFile;
+import jxl.read.biff.BiffException;
+import jxl.read.biff.CompoundFile;
+
+class PropertySetsReader {
+  private BufferedWriter writer;
+  
+  private CompoundFile compoundFile;
+  
+  public PropertySetsReader(File file, String propertySet, OutputStream os) throws IOException, BiffException {
+    this.writer = new BufferedWriter(new OutputStreamWriter(os));
+    FileInputStream fis = new FileInputStream(file);
+    int initialFileSize = 1048576;
+    int arrayGrowSize = 1048576;
+    byte[] d = new byte[initialFileSize];
+    int bytesRead = fis.read(d);
+    int pos = bytesRead;
+    while (bytesRead != -1) {
+      if (pos >= d.length) {
+        byte[] newArray = new byte[d.length + arrayGrowSize];
+        System.arraycopy(d, 0, newArray, 0, d.length);
+        d = newArray;
+      } 
+      bytesRead = fis.read(d, pos, d.length - pos);
+      pos += bytesRead;
+    } 
+    bytesRead = pos + 1;
+    this.compoundFile = new CompoundFile(d, new WorkbookSettings());
+    fis.close();
+    if (propertySet == null) {
+      displaySets();
+    } else {
+      displayPropertySet(propertySet, os);
+    } 
+  }
+  
+  void displaySets() throws IOException {
+    int numSets = this.compoundFile.getNumberOfPropertySets();
+    for (int i = 0; i < numSets; i++) {
+      BaseCompoundFile.PropertyStorage ps = this.compoundFile.getPropertySet(i);
+      this.writer.write(Integer.toString(i));
+      this.writer.write(") ");
+      this.writer.write(ps.name);
+      this.writer.write("(type ");
+      this.writer.write(Integer.toString(ps.type));
+      this.writer.write(" size ");
+      this.writer.write(Integer.toString(ps.size));
+      this.writer.write(" prev ");
+      this.writer.write(Integer.toString(ps.previous));
+      this.writer.write(" next ");
+      this.writer.write(Integer.toString(ps.next));
+      this.writer.write(" child ");
+      this.writer.write(Integer.toString(ps.child));
+      this.writer.write(" start block ");
+      this.writer.write(Integer.toString(ps.startBlock));
+      this.writer.write(")");
+      this.writer.newLine();
+    } 
+    this.writer.flush();
+    this.writer.close();
+  }
+  
+  void displayPropertySet(String ps, OutputStream os) throws IOException, BiffException {
+    if (ps.equalsIgnoreCase("SummaryInformation")) {
+      ps = "\005SummaryInformation";
+    } else if (ps.equalsIgnoreCase("DocumentSummaryInformation")) {
+      ps = "\005DocumentSummaryInformation";
+    } else if (ps.equalsIgnoreCase("CompObj")) {
+      ps = "\001CompObj";
+    } 
+    byte[] stream = this.compoundFile.getStream(ps);
+    os.write(stream);
+  }
+}