FlushedInputStream.java

/*
 * Copyright (c) 2011. WillowTree Apps
 *
 * 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 oak;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;

/**
 * Bug fix for Android bug #6066:
 * http://code.google.com/p/android/issues/detail?id=6066
 * @author cceckman
 *
 */
public class FlushedInputStream extends BufferedInputStream {
	public FlushedInputStream(InputStream inputStream) {
        super(inputStream);
    }

    public long skip(long n) throws IOException {
        long totalBytesSkipped = 0L;
        while (totalBytesSkipped < n) {
            long bytesSkipped = in.skip(n - totalBytesSkipped);
            if (bytesSkipped == 0L) {
                  int aByte = read();
                  if (aByte < 0) {
                      break;  // we reached EOF
                  } else {
                      bytesSkipped = 1; // we read one byte
                  }
           }
            totalBytesSkipped += bytesSkipped;
        }
        return totalBytesSkipped;
    }
}