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/*
* Copyright (C) 2011 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.browser;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
public class SnapshotByteArrayOutputStream extends OutputStream {
// Maximum size, this needs to be small enough such that an entire row
// can fit in CursorWindow's 2MB limit
private static final int MAX_SIZE = 1700000;
private ByteArrayOutputStream mStream;
public SnapshotByteArrayOutputStream() {
mStream = new ByteArrayOutputStream(MAX_SIZE);
}
@Override
public synchronized void write(int oneByte) throws IOException {
checkError(1);
mStream.write(oneByte);
}
@Override
public void write(byte[] buffer, int offset, int count) throws IOException {
checkError(count);
mStream.write(buffer, offset, count);
}
private void checkError(int expandBy) throws IOException {
if ((size() + expandBy) > MAX_SIZE) {
throw new IOException("Exceeded max size!");
}
}
public int size() {
return mStream.size();
}
public byte[] toByteArray() {
return mStream.toByteArray();
}
}
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