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Diffstat (limited to 'src/org/apache/http/util/ByteArrayBuffer.java')
-rw-r--r-- | src/org/apache/http/util/ByteArrayBuffer.java | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/src/org/apache/http/util/ByteArrayBuffer.java b/src/org/apache/http/util/ByteArrayBuffer.java deleted file mode 100644 index 01d6577..0000000 --- a/src/org/apache/http/util/ByteArrayBuffer.java +++ /dev/null @@ -1,162 +0,0 @@ -/* - * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/util/ByteArrayBuffer.java $ - * $Revision: 496070 $ - * $Date: 2007-01-14 04:18:34 -0800 (Sun, 14 Jan 2007) $ - * - * ==================================================================== - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - * - */ - -package org.apache.http.util; - -/** - * A resizable byte array. - * - * @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a> - * - * @version $Revision: 496070 $ - * - * @since 4.0 - */ -public final class ByteArrayBuffer { - - private byte[] buffer; - private int len; - - public ByteArrayBuffer(int capacity) { - super(); - if (capacity < 0) { - throw new IllegalArgumentException("Buffer capacity may not be negative"); - } - this.buffer = new byte[capacity]; - } - - private void expand(int newlen) { - byte newbuffer[] = new byte[Math.max(this.buffer.length << 1, newlen)]; - System.arraycopy(this.buffer, 0, newbuffer, 0, this.len); - this.buffer = newbuffer; - } - - public void append(final byte[] b, int off, int len) { - if (b == null) { - return; - } - if ((off < 0) || (off > b.length) || (len < 0) || - ((off + len) < 0) || ((off + len) > b.length)) { - throw new IndexOutOfBoundsException(); - } - if (len == 0) { - return; - } - int newlen = this.len + len; - if (newlen > this.buffer.length) { - expand(newlen); - } - System.arraycopy(b, off, this.buffer, this.len, len); - this.len = newlen; - } - - public void append(int b) { - int newlen = this.len + 1; - if (newlen > this.buffer.length) { - expand(newlen); - } - this.buffer[this.len] = (byte)b; - this.len = newlen; - } - - public void append(final char[] b, int off, int len) { - if (b == null) { - return; - } - if ((off < 0) || (off > b.length) || (len < 0) || - ((off + len) < 0) || ((off + len) > b.length)) { - throw new IndexOutOfBoundsException(); - } - if (len == 0) { - return; - } - int oldlen = this.len; - int newlen = oldlen + len; - if (newlen > this.buffer.length) { - expand(newlen); - } - for (int i1 = off, i2 = oldlen; i2 < newlen; i1++, i2++) { - this.buffer[i2] = (byte) b[i1]; - } - this.len = newlen; - } - - public void append(final CharArrayBuffer b, int off, int len) { - if (b == null) { - return; - } - append(b.buffer(), off, len); - } - - public void clear() { - this.len = 0; - } - - public byte[] toByteArray() { - byte[] b = new byte[this.len]; - if (this.len > 0) { - System.arraycopy(this.buffer, 0, b, 0, this.len); - } - return b; - } - - public int byteAt(int i) { - return this.buffer[i]; - } - - public int capacity() { - return this.buffer.length; - } - - public int length() { - return this.len; - } - - public byte[] buffer() { - return this.buffer; - } - - public void setLength(int len) { - if (len < 0 || len > this.buffer.length) { - throw new IndexOutOfBoundsException(); - } - this.len = len; - } - - public boolean isEmpty() { - return this.len == 0; - } - - public boolean isFull() { - return this.len == this.buffer.length; - } - -} |