1 /*--------------------------------------------------------------------------
2 * Copyright 2007 utgenome.org
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *--------------------------------------------------------------------------*/
16 //--------------------------------------
17 // UTGBWidget Project
18 //
19 // StringUtil.java
20 // Since: Jun 26, 2007
21 //
22 // $URL$
23 // $Author$
24 //--------------------------------------
25 package org.utgenome.gwt.widget.client;
26
27 import java.util.List;
28
29 /**
30 * Utiltiles for manipulating strings in GWT client codes
31 *
32 * @author leo
33 *
34 */
35 public class StringUtil {
36
37 /**
38 * Non constractable
39 */
40 private StringUtil() {
41 }
42
43 /**
44 * Join the given element list with the specified separator
45 *
46 * @param elementList
47 * a list of strings to join
48 * @param separator
49 * e.g., ",", " ", etc.
50 * @return the concatination of the strings in the elementList, separated by the separator
51 */
52 public static String join(String[] elementList, String separator) {
53 StringBuffer b = new StringBuffer();
54 for (int i = 0; i < elementList.length - 1; i++) {
55 b.append(elementList[i]);
56 b.append(separator); // white space
57 }
58 b.append(elementList[elementList.length - 1]);
59 return b.toString();
60 }
61
62 public static String join(List elementList, String separator) {
63 StringBuffer b = new StringBuffer();
64 for (int i = 0; i < elementList.size() - 1; i++) {
65 b.append(elementList.get(i));
66 b.append(separator); // white space
67 }
68 b.append(elementList.get(elementList.size() - 1));
69 return b.toString();
70 }
71
72 /**
73 *
74 * @param elementList
75 * @return
76 */
77 public static String joinWithWS(String[] elementList) {
78 return join(elementList, " ");
79 }
80
81 public static String unquote(String s) {
82 if (s.startsWith("\"") && s.endsWith("\""))
83 return s.substring(1, s.length() - 1);
84 else
85 return s;
86 }
87 }