ImageWriter and ByteArrayOutputStream problem
I am working with multipage images and there's bizzare problem I stumbled on regarding, I guess, flushing streams
When I use ByteArrayOutputStream then ImageWriter writes only 146 bytes to it. When I use FileOutputStream
It works fine.
Here's my code snippet (FileUtils is a class is from org.apache.commons.lang)
ByteArrayInputStream bais = new ByteArrayInputStream(FileUtils.readFileToByteArray(f));
ByteArrayOutputStream baos = new ByteArrayOutputStream(bais.available());
ImageInputStream iis = ImageIO.createImageInputStream(bais);
tiffReader.setInput(iis);
ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
tiffWriter.setOutput(ios);
TIFFImageWriteParam param = new TIFFImageWriteParam(Locale.US); // (TIFFImageWriteParam) tiffWriter.getDefaultWriteParam();
param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
param.setCompressionType("CCITT T.6");
//System.out.println("PhotoInterp = " + param.getPhotometricInterpretation());
int page = 0;
tiffWriter.prepareWriteSequence(tiffReader.getStreamMetadata());
while(true) {
try {
IIOMetadata metadata = tiffReader.getImageMetadata(page);
BufferedImage img = tiffReader.read(page);
//tiffWriter.writeToSequence(new IIOImage(img,null,metadata),param);
tiffWriter.writeToSequence(new IIOImage(img,null,null), param);
//tiffWriter.writeInsert(page, new IIOImage(img,null,null),param);
page++;
//ios.flush();
}catch(IndexOutOfBoundsException e) {
// all pages done
break;
tiffWriter.endWriteSequence();
ios.flush();
FileUtils.writeByteArrayToFile(new File(devDir, newName), baos.toByteArray());
If i remark second part of code and open first part of code that is not working
public String GPS() {
String NMEA = "";
try {
int ch;
boolean beg = false;
String Answer = "";
byte[] buffer = new byte[512];
ByteArrayOutputStream bout = new ByteArrayOutputStream();
while ( (ch = inStream.read(buffer)) != -1) {
bout.write(buffer, 0, ch);
NMEA = bout.toString();
bout.flush();
bout.close();
/* while (inStream.available()>0) {
if (inStream.available() > 0) {
ch = inStream.read();
if (ch == 0x24) {
beg = true;
if (ch == 0x2A) {
beg = false;
if (Answer.indexOf("GPRMC") >= 0) {
NMEA = Answer;
Answer = "";
if ( (beg) & (ch != 0x24)) {
Answer = Answer + (char) ch;
catch (Exception e) {
try {
// InitGPRSConnectionUDP(e.getMessage());
sendline(e.getMessage());
catch (Exception r) {
return NMEA;
but If i remark first part of code and open second code that is working. I have packet from test sending from pc.
public String GPS() {
String NMEA = "";
try {
int ch;
boolean beg = false;
String Answer = "";
/* byte[] buffer = new byte[512];
ByteArrayOutputStream bout = new ByteArrayOutputStream();
while ( (ch = inStream.read(buffer)) != -1) {
bout.write(buffer, 0, ch);
NMEA = bout.toString();
bout.flush();
bout.close();
while (inStream.available()>0) {
if (inStream.available() > 0) {
ch = inStream.read();
if (ch == 0x24) {
beg = true;
if (ch == 0x2A) {
beg = false;
if (Answer.indexOf("GPRMC") >= 0) {
NMEA = Answer;
Answer = "";
if ( (beg) & (ch != 0x24)) {
Answer = Answer + (char) ch;
catch (Exception e) {
try {
catch (Exception r) {
return NMEA;
Edited by: TC65 on Jan 15, 2008 10:19 AM
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import java.io.*;
import java.net.*;
import java.util.*;
import java.util.Random;
import static java.lang.Math.*;
import java.awt.*;
import java.awt.color.*;
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double fH = random() * bD;
double done = rint(fH - fA);
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rockCrab() {
void attack() {
health = floor(10 + sL/10 * aL/10);
double done = rint(fH - fA);
fA = random() * bA;
fH = random() * bD;
done = rint(fH - fA);
System.out.println("Rockcrab hit" +done);
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import java.io.*;
import java.net.*;
import java.util.*;
import java.util.Random;
import static java.lang.Math.*;
import java.awt.*;
import java.awt.color.*;
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//Wounding formula
double sL = 1; // my Strength Level
double bP = 1; // bonus for prayer (is 1 times prayer bonus)
double aB = 0; // equipment stats
double eS = (sL * bP) + 3; // effective strength
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double fA = random() * bA;
double fH = random() * bD;
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health = floor(10 + sL/10 * aL/10);
fA = random() * bA;
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