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; }