net.siisise.security.io.BlockOutputStream Maven / Gradle / Ivy
/*
* Copyright 2023 Siisise Net.
*
* Licensed 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 net.siisise.security.io;
/**
* IOExceptionが発生しない版
* OutputStreamは使えない
*/
public class BlockOutputStream extends BlockIOOutputStream {
public BlockOutputStream(BlockListener lis) {
super(lis);
}
@Override
public void write(int b) {
write(new byte[]{(byte) b}, 0, 1);
}
@Override
public void write(byte[] input) {
write(input, 0, input.length);
}
@Override
public void write(byte[] src, int offset, int length) {
if (this.offset > 0) { // 待機データあり
if (this.offset + length >= max) { // 出力可能 一陣合成送出
int size = max - this.offset;
System.arraycopy(src, offset, sleepBlock, this.offset, size);
offset += size;
length -= size;
((BlockListener)listener).blockWrite(sleepBlock, 0, max);
this.offset = 0;
} else { // あわせても足りないので格納
System.arraycopy(src, offset, sleepBlock, this.offset, length);
this.offset += length;
return;
}
}
while (length >= max) { // 複製なしで単体送出
((BlockListener)listener).blockWrite(src, offset, max);
offset += max;
length -= max;
}
((BlockListener)listener).flush();
if (length > 0) { // 残機格納
System.arraycopy(src, offset, sleepBlock, 0, length);
this.offset = length;
}
}
@Override
public void flush() {}
}