1 /**
2 * Copyright 2005-2011 The Kuali Foundation
3 *
4 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
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 package org.kuali.rice.kns.util;
17
18 import org.apache.commons.lang.NumberUtils;
19 import org.apache.commons.lang.StringUtils;
20 import org.kuali.rice.core.api.util.collect.CollectionUtils;
21
22 import java.util.Enumeration;
23
24 /**
25 * Utility for that is used along with the tableRenderPagingBanner.tag.
26 *
27 * @author Kuali Rice Team (rice.collab@kuali.org)
28 *
29 */
30 public final class PagingBannerUtils {
31
32 /** do not call. */
33 private PagingBannerUtils() {
34 throw new UnsupportedOperationException("do not call");
35 }
36
37 /**
38 * find the number string in a method to call parameter with the following format parameterPrefix.1 or
39 * parameterPrefix.1.bleh
40 *
41 * @param paramPrefix the
42 * @param parameterNames the parameter names.
43 * @return the numerical value or -1
44 */
45 public static int getNumbericalValueAfterPrefix(String paramPrefix, Enumeration<String> parameterNames) {
46
47 for (String parameterName : CollectionUtils.toIterable(parameterNames)) {
48 if (parameterName.startsWith(paramPrefix)) {
49 parameterName = WebUtils.endsWithCoordinates(parameterName) ? parameterName : parameterName + ".x";
50 String numberStr = StringUtils.substringBetween(parameterName, paramPrefix, ".");
51 if (NumberUtils.isDigits(numberStr)) {
52 return Integer.parseInt(numberStr);
53 }
54 }
55 }
56
57 return -1;
58 }
59
60 /**
61 * same as method above except for use when it is not feasible to use ordinals to identify columns -- for example,
62 * if dynamic attributes may be used
63 */
64 public static String getStringValueAfterPrefix(String paramPrefix, Enumeration<String> parameterNames) {
65 for (String parameterName : CollectionUtils.toIterable(parameterNames)) {
66 if (parameterName.startsWith(paramPrefix)) {
67 parameterName = WebUtils.endsWithCoordinates(parameterName) ? parameterName : parameterName + ".x";
68 return StringUtils.substringBetween(parameterName, paramPrefix, ".");
69 }
70 }
71
72 return "";
73 }
74 }