com.sun.xml.ws.util.StreamUtils Maven / Gradle / Ivy
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package com.sun.xml.ws.util;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* @author Jitendra Kotamraju
*/
public class StreamUtils {
/*
* Finds if the stream has some content or not
*
* @return null if there is no data
* else stream to be used
*/
public static InputStream hasSomeData(InputStream in) {
if (in != null) {
try {
if (in.available() < 1) {
if (!in.markSupported()) {
in = new BufferedInputStream(in);
}
in.mark(1);
if (in.read() != -1) {
in.reset();
} else {
in = null; // No data
}
}
} catch(IOException ioe) {
in = null;
}
}
return in;
}
}