org.python.core.FileUtil Maven / Gradle / Ivy
// Copyright (c) 2003 Jython project
package org.python.core;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.IOException;
/**
* Utility methods for Java file handling.
*/
public class FileUtil {
/**
* Read all bytes from the input stream. Note that using this method to
* read very large streams could cause out-of-memory exceptions and/or block
* for large periods of time.
*/
public static byte[] readBytes(InputStream in) throws IOException {
final int bufsize = 8192; // nice buffer size used in JDK
byte[] buf = new byte[bufsize];
ByteArrayOutputStream out = new ByteArrayOutputStream(bufsize);
int count;
while (true) {
count = in.read(buf, 0, bufsize);
if (count < 0) {
break;
}
out.write(buf, 0, count);
}
return out.toByteArray();
}
}