01: /*
02: * Copyright 2005-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
05: * in compliance with the License. You may obtain a copy of the License at
06: *
07: * http://www.apache.org/licenses/LICENSE-2.0
08: *
09: * Unless required by applicable law or agreed to in writing, software distributed under the License
10: * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11: * or implied. See the License for the specific language governing permissions and limitations under
12: * the License.
13: */
14:
15: package org.strecks.util;
16:
17: /**
18: * Class with String utility methods
19: * @author Phil Zoio
20: */
21: public class StringUtils {
22:
23: public static String LINE_SEPARATOR = System
24: .getProperty("line.separator");
25:
26: /**
27: * Checks that the supplied String is not null and not empty or containing only whitespace
28: * @return true if and only if String is not null and the length of the string trimmed is greater than zero
29: */
30: public static boolean notBlankOrNull(String string) {
31: if (string == null)
32: return false;
33: if (string.trim().length() == 0)
34: return false;
35: return true;
36: }
37:
38: /**
39: * Deletes the specified number of chars from the end of a StringBuffer
40: *
41: * @param buffer
42: * the StringBuffer to shorten
43: * @param chars
44: * the number of chars to remove from the end of the buffer
45: */
46: public static void shorten(StringBuffer buffer, int chars) {
47: buffer.delete(buffer.length() - chars, buffer.length());
48: }
49:
50: }
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