/**
* Write the bytes to byte array.
*
* @param b the bytes to write
* @param off The start offset
* @param len The number of bytes to write
*/
@Override
public void write(byte[] b, int off, int len) {
if ((off < 0)
|| (off > b.length)
|| (len < 0)
|| ((off + len) > b.length)
|| ((off + len) < 0)) {
throw new IndexOutOfBoundsException();
} else if (len == 0) {
return;
}
synchronized (this) {
int newcount = count + len;
int remaining = len;
int inBufferPos = count - filledBufferSum;
while (remaining > 0) {
int part = Math.min(remaining, currentBuffer.length - inBufferPos);
System.arraycopy(b, off + len - remaining, currentBuffer, inBufferPos, part);
remaining -= part;
if (remaining > 0) {
needNewBuffer(newcount);
inBufferPos = 0;
}
}
count = newcount;
}
}
public ByteArrayOutputStream(int size) {
if (size < 0) {
throw new IllegalArgumentException("Negative initial size: " + size);
}
synchronized (this) {
needNewBuffer(size);
}
}
public synchronized void write(int b) {
int inBufferPos = this.count - this.filledBufferSum;
if (inBufferPos == this.currentBuffer.length) {
needNewBuffer(this.count + 1);
inBufferPos = 0;
}
this.currentBuffer[inBufferPos] = ((byte) b);
this.count += 1;
}
/**
* Write a byte to byte array.
*
* @param b the byte to write
*/
@Override
public synchronized void write(int b) {
int inBufferPos = count - filledBufferSum;
if (inBufferPos == currentBuffer.length) {
needNewBuffer(count + 1);
inBufferPos = 0;
}
currentBuffer[inBufferPos] = (byte) b;
count++;
}
public synchronized int write(InputStream in) throws IOException {
int readCount = 0;
int inBufferPos = this.count - this.filledBufferSum;
int n = in.read(this.currentBuffer, inBufferPos, this.currentBuffer.length - inBufferPos);
while (n != -1) {
readCount += n;
inBufferPos += n;
this.count += n;
if (inBufferPos == this.currentBuffer.length) {
needNewBuffer(this.currentBuffer.length);
inBufferPos = 0;
}
n = in.read(this.currentBuffer, inBufferPos, this.currentBuffer.length - inBufferPos);
}
return readCount;
}
