Improve parsing of invalid data, throwing more specific messages

git-svn-id: https://j8583.svn.sourceforge.net/svnroot/j8583/j8583@108 db60a039-f72e-0410-b1d2-baa000846441
2012-06-14 18:26:36 +00:00
parent 839b32c75a
commit 3f0e6a043d
13 changed files with 74 additions and 36 deletions
@@ -37,6 +37,12 @@ public class AlphaParseInfo extends AlphaNumericFieldParseInfo {

 	public IsoValue<?> parseBinary(byte[] buf, int pos, CustomField<?> custom)
 	throws ParseException, UnsupportedEncodingException {
+		if (pos < 0) {
+			throw new ParseException(String.format("Invalid bin ALPHA position %d", pos), pos);
+		} else if (pos+length > buf.length) {
+			throw new ParseException(String.format("Insufficient data for bin %s field of length %d, pos %d",
+				type, length, pos), pos);
+		}
 		if (custom == null) {
 			return new IsoValue<String>(type, new String(buf, pos, length, getCharacterEncoding()), length, null);
 		} else {