Merge pull request #409 from marcinolawski/master

Added missing methods to ByteArrayOutputStream, Modifier and UTFDataFormatException.
This commit is contained in:
Joshua Warner 2015-02-08 17:49:50 -07:00
commit f05f116c3f
3 changed files with 59 additions and 12 deletions

View File

@ -13,7 +13,8 @@ package java.io;
public class ByteArrayOutputStream extends OutputStream {
private static final int BufferSize = 32;
private Cell chain;
private Cell firstCell;
private Cell curCell;
private int length;
private byte[] buffer;
private int position;
@ -25,7 +26,8 @@ public class ByteArrayOutputStream extends OutputStream {
}
public void reset() {
chain = null;
firstCell = null;
curCell = null;
length = 0;
buffer = null;
position = 0;
@ -69,11 +71,21 @@ public class ByteArrayOutputStream extends OutputStream {
position += length;
} else {
flushBuffer();
chain = new Cell(copy(b, offset, length), 0, length, chain);
chainCell( new Cell(copy(b, offset, length), 0, length) );
}
this.length += length;
}
private void chainCell(Cell cell){
if (curCell == null){
firstCell = cell;
curCell = cell;
}else{
curCell.next = cell;
curCell = cell;
}
}
private void flushBuffer() {
if (position > 0) {
@ -81,7 +93,8 @@ public class ByteArrayOutputStream extends OutputStream {
int p = position;
buffer = null;
position = 0;
chain = new Cell(b, 0, p, chain);
chainCell( new Cell(b, 0, p) );
}
}
@ -89,15 +102,28 @@ public class ByteArrayOutputStream extends OutputStream {
flushBuffer();
byte[] array = new byte[length];
int index = length;
for (Cell c = chain; c != null; c = c.next) {
int start = index - c.length;
System.arraycopy(c.array, c.offset, array, start, c.length);
index = start;
int pos = 0;
for (Cell c = firstCell; c != null; c = c.next) {
System.arraycopy(c.array, c.offset, array, pos, c.length);
pos += c.length;
}
return array;
}
public synchronized void writeTo(OutputStream out) throws IOException {
if (length==0) return;
if (out == null){
throw new NullPointerException();
}
flushBuffer();
for (Cell c = firstCell; c != null; c = c.next) {
out.write(c.array, c.offset, c.length);
}
}
@Override
public String toString() {
return new String(toByteArray());
@ -111,13 +137,12 @@ public class ByteArrayOutputStream extends OutputStream {
public byte[] array;
public int offset;
public int length;
public Cell next;
public Cell next = null;
public Cell(byte[] array, int offset, int length, Cell next) {
public Cell(byte[] array, int offset, int length) {
this.array = array;
this.offset = offset;
this.length = length;
this.next = next;
}
}
}

View File

@ -0,0 +1,21 @@
/* Copyright (c) 2008-2015, Avian Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
that the above copyright notice and this permission notice appear
in all copies.
There is NO WARRANTY for this software. See license.txt for
details. */
package java.io;
public class UTFDataFormatException extends IOException {
public UTFDataFormatException(String s) {
super(s);
}
public UTFDataFormatException() {
super();
}
}

View File

@ -32,6 +32,7 @@ public final class Modifier {
public static boolean isProtected(int v) { return (v & PROTECTED) != 0; }
public static boolean isStatic (int v) { return (v & STATIC) != 0; }
public static boolean isFinal (int v) { return (v & FINAL) != 0; }
public static boolean isTransient(int v) { return (v & TRANSIENT) != 0; }
public static boolean isSuper (int v) { return (v & SUPER) != 0; }
public static boolean isNative (int v) { return (v & NATIVE) != 0; }
public static boolean isAbstract (int v) { return (v & ABSTRACT) != 0; }