Pastable version of fileContentsEquals

<pre class='prettyprint' language='java'>public static boolean fileContentsEquals(File file1, File file2) {
		InputStream is1 = null;
		InputStream is2 = null;
		if (file1.length() != file2.length())
			return false;

try {
			is1 = new FileInputStream(file1);
			is2 = new FileInputStream(file2);

return inputStreamEquals(is1, is2);

} catch (Exception ei) {
			return false;
		} finally {
			try {
				if (is1 != null)
					is1.close();
				if (is2 != null)
					is2.close();
			} catch (Exception ei2) {
			}
		}
	}

public static boolean inputStreamEquals(InputStream is1, InputStream is2) {
		if (is1 == is2)
			return true;
		if (is1 == null &amp;&amp; is2 == null)
			return true;
		if (is1 == null || is2 == null)
			return false;
		try {
			int read1 = -1;
			int read2 = -1;

do {
				int offset1 = 0;
				while (offset1 &lt; BUFFSIZE &amp;&amp; (read1 = is1.read(buff1, offset1, BUFFSIZE - offset1)) &gt;= 0) {
					offset1 += read1;
				}

int offset2 = 0;
				while (offset2 &lt; BUFFSIZE &amp;&amp; (read2 = is2.read(buff2, offset2, BUFFSIZE - offset2)) &gt;= 0) {
					offset2 += read2;
				}
				if (offset1 != offset2)
					return false;
				if (offset1 != BUFFSIZE) {
					Arrays.fill(buff1, offset1, BUFFSIZE, (byte) 0);
					Arrays.fill(buff2, offset2, BUFFSIZE, (byte) 0);
				}
				if (!Arrays.equals(buff1, buff2))
					return false;
			} while (read1 &gt;= 0 &amp;&amp; read2 &gt;= 0);
			if (read1 &lt; 0 &amp;&amp; read2 &lt; 0)
				return true; // both at EOF
			return false;

} catch (Exception ei) {
			return false;
		}
	}</pre>
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Pastable version of fileContentsEquals