public void testTrim() {
assertEquals(FOO, StringUtils.trim(FOO + " "));
assertEquals(FOO, StringUtils.trim(" " + FOO + " "));
assertEquals(FOO, StringUtils.trim(" " + FOO));
assertEquals(FOO, StringUtils.trim(FOO + ""));
assertEquals("", StringUtils.trim(" \t\r\n\b "));
assertEquals("", StringUtils.trim(StringUtilsTest.TRIMMABLE));
assertEquals(StringUtilsTest.NON_TRIMMABLE, StringUtils.trim(StringUtilsTest.NON_TRIMMABLE));
assertEquals("", StringUtils.trim(""));
assertEquals(null, StringUtils.trim(null));
}
public static void parserArgs(String[] args) {
if (args.length < 1) {
System.out.println("Usage:filePath threadSize(default processor) top(default 10)");
System.exit(0);
}
fileName = StringUtils.trim(args[0]);
if (args.length > 1 && !Strings.isNullOrEmpty(args[1])) {
threadSize = Integer.parseInt(StringUtils.trim(args[1]));
}
if (args.length > 2 && !Strings.isNullOrEmpty(args[2])) {
top = Integer.parseInt(StringUtils.trim(args[2]));
}
System.out.println("fileName:" + fileName + "\tthreadSize:" + threadSize + "\ttop:" + top);
}
/**
* Returns the IP address from an endpoint. If this could not be done, null is returned.
*
* @throws NullPointerException An argument is null
*/
public static String getIPFromEndpoint(SocketAddress endPoint) {
if (endPoint == null) throw new NullPointerException("endPoint");
InetSocketAddress ipEndpoint;
try {
ipEndpoint = (InetSocketAddress) endPoint;
} catch (ClassCastException e) {
return null;
}
String result = ipEndpoint.getAddress().toString();
if (!StringUtils.isNullOrEmpty(result)) {
result =
StringUtils.trim(
result, new char[] {CONSTANT.FORWARD_SLASH_CHAR, CONSTANT.BACK_SLASH_CHAR});
return result;
}
return null;
}
