| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * 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. |
| */ |
| |
| package com.sun.org.apache.xml.internal.security.utils; |
| |
| import java.io.FilterOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| public class UnsyncBufferedOutputStream extends FilterOutputStream { |
| |
| protected byte[] buffer; |
| protected int count; |
| |
| public UnsyncBufferedOutputStream(OutputStream out) { |
| super(out); |
| buffer = new byte[8192]; |
| } |
| |
| public UnsyncBufferedOutputStream(OutputStream out, int size) { |
| super(out); |
| if (size <= 0) { |
| throw new IllegalArgumentException("size must be > 0"); |
| } |
| buffer = new byte[size]; |
| } |
| |
| @Override |
| public void flush() throws IOException { |
| flushInternal(); |
| out.flush(); |
| } |
| |
| @Override |
| public void write(byte[] bytes, int offset, int length) throws IOException { |
| if (length >= buffer.length) { |
| flushInternal(); |
| out.write(bytes, offset, length); |
| return; |
| } |
| |
| // flush the internal buffer first if we have not enough space left |
| if (length >= (buffer.length - count)) { |
| flushInternal(); |
| } |
| |
| // the length is always less than (internalBuffer.length - count) here so arraycopy is safe |
| System.arraycopy(bytes, offset, buffer, count, length); |
| count += length; |
| } |
| |
| @Override |
| public void write(int oneByte) throws IOException { |
| if (count == buffer.length) { |
| out.write(buffer, 0, count); |
| count = 0; |
| } |
| buffer[count++] = (byte) oneByte; |
| } |
| |
| private void flushInternal() throws IOException { |
| if (count > 0) { |
| out.write(buffer, 0, count); |
| count = 0; |
| } |
| } |
| } |