replicant-frameworks_native/awt/com/android/internal/awt/ImageOutputStreamWrapper.java
2009-03-03 19:31:44 -08:00

67 lines
1.7 KiB
Java

/*
* Copyright 2007, The Android Open Source Project
*
* 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 com.android.internal.awt;
import java.io.IOException;
import java.io.OutputStream;
import javax.imageio.stream.ImageOutputStream;
public class ImageOutputStreamWrapper extends OutputStream {
protected ImageOutputStream mIos;
private byte[] mBuff;
public ImageOutputStreamWrapper(ImageOutputStream ios) {
if (null == ios) {
throw new IllegalArgumentException("ImageOutputStream must not be null");
}
this.mIos = ios;
this.mBuff = new byte[1];
}
public ImageOutputStream getImageOutputStream() {
return mIos;
}
@Override
public void write(int oneByte) throws IOException {
mBuff[0] = (byte)oneByte;
mIos.write(mBuff, 0, 1);
}
public void write(byte[] b) throws IOException {
mIos.write(b, 0, b.length);
}
public void write(byte[] b, int off, int len) throws IOException {
mIos.write(b, off, len);
}
public void flush() throws IOException {
mIos.flush();
}
public void close() throws IOException {
if (mIos == null) {
throw new IOException("Stream already closed");
}
mIos = null;
}
}