first commit

hrmsEjb/jxl/write/biff/File.java

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+package jxl.write.biff;
+
+import common.Logger;
+import java.io.IOException;
+import java.io.OutputStream;
+import jxl.WorkbookSettings;
+import jxl.biff.ByteData;
+import jxl.read.biff.CompoundFile;
+
+public final class File {
+  private static Logger logger = Logger.getLogger(File.class);
+  
+  private byte[] data;
+  
+  private int pos;
+  
+  private OutputStream outputStream;
+  
+  private int initialFileSize;
+  
+  private int arrayGrowSize;
+  
+  private WorkbookSettings workbookSettings;
+  
+  CompoundFile readCompoundFile;
+  
+  File(OutputStream os, WorkbookSettings ws, CompoundFile rcf) {
+    this.initialFileSize = ws.getInitialFileSize();
+    this.arrayGrowSize = ws.getArrayGrowSize();
+    this.data = new byte[this.initialFileSize];
+    this.pos = 0;
+    this.outputStream = os;
+    this.workbookSettings = ws;
+    this.readCompoundFile = rcf;
+  }
+  
+  void close(boolean cs) throws IOException, JxlWriteException {
+    CompoundFile cf = new CompoundFile(this.data, this.pos, this.outputStream, this.readCompoundFile);
+    cf.write();
+    this.outputStream.flush();
+    if (cs)
+      this.outputStream.close(); 
+    this.data = null;
+    if (!this.workbookSettings.getGCDisabled())
+      System.gc(); 
+  }
+  
+  public void write(ByteData record) throws IOException {
+    try {
+      byte[] bytes = record.getBytes();
+      while (this.pos + bytes.length > this.data.length) {
+        byte[] newdata = new byte[this.data.length + this.arrayGrowSize];
+        System.arraycopy(this.data, 0, newdata, 0, this.pos);
+        this.data = newdata;
+      } 
+      System.arraycopy(bytes, 0, this.data, this.pos, bytes.length);
+      this.pos += bytes.length;
+    } catch (Throwable t) {
+      t.printStackTrace();
+      throw new RuntimeException(t);
+    } 
+  }
+  
+  int getPos() {
+    return this.pos;
+  }
+  
+  void setData(byte[] newdata, int pos) {
+    System.arraycopy(newdata, 0, this.data, pos, newdata.length);
+  }
+  
+  public void setOutputFile(OutputStream os) {
+    if (this.data != null)
+      logger.warn("Rewriting a workbook with non-empty data"); 
+    this.outputStream = os;
+    this.data = new byte[this.initialFileSize];
+    this.pos = 0;
+  }
+}