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add constructor to ByteBuffer

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This commit is contained in:
Joel Dice
2008-03-28 18:08:08 -06:00
parent 6cddd10e0a
commit 91494d9081
1 changed files with 10 additions and 11 deletions
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21
classpath/java/nio/ByteBuffer.java
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@ -16,18 +16,22 @@ public class ByteBuffer extends Buffer implements Comparable<ByteBuffer> {
private final boolean readOnly; private final boolean readOnly;
public static ByteBuffer allocate(int capacity) { public static ByteBuffer allocate(int capacity) {
return new ByteBuffer(new byte[capacity], false); return new ByteBuffer(new byte[capacity], 0, capacity, false);
} }
public static ByteBuffer wrap(byte[] array) { public static ByteBuffer wrap(byte[] array) {
return new ByteBuffer(array, false); return wrap(array, 0, array.length);
} }
private ByteBuffer(byte[] array, boolean readOnly) { public static ByteBuffer wrap(byte[] array, int offset, int length) {
return new ByteBuffer(array, offset, length, false);
}
private ByteBuffer(byte[] array, int offset, int length, boolean readOnly) {
this.array = array; this.array = array;
this.readOnly = readOnly; this.readOnly = readOnly;
arrayOffset = 0; arrayOffset = offset;
capacity = array.length; capacity = length;
limit = capacity; limit = capacity;
position = 0; position = 0;
} }
@ -53,12 +57,7 @@ public class ByteBuffer extends Buffer implements Comparable<ByteBuffer> {
} }
public ByteBuffer slice() { public ByteBuffer slice() {
ByteBuffer buf = new ByteBuffer(array, true); return new ByteBuffer(array, arrayOffset + position, remaining(), true);
buf.arrayOffset = arrayOffset + position;
buf.position = 0;
buf.capacity = remaining();
buf.limit = buf.capacity;
return buf;
} }
public int arrayOffset() { public int arrayOffset() {