80 lines
2.1 KiB
Java
80 lines
2.1 KiB
Java
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;
|
|
}
|
|
}
|