| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| Util |
|
| 5.75;5.75 |
| 1 | /******************************************************************************* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 3 | * or more contributor license agreements. See the NOTICE file | |
| 4 | * distributed with this work for additional information | |
| 5 | * regarding copyright ownership. The ASF licenses this file | |
| 6 | * to you under the Apache License, Version 2.0 (the | |
| 7 | * "License"); you may not use this file except in compliance | |
| 8 | * with the License. You may obtain a copy of the License at | |
| 9 | * | |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 | * | |
| 12 | * Unless required by applicable law or agreed to in writing, | |
| 13 | * software distributed under the License is distributed on an | |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 15 | * KIND, either express or implied. See the License for the | |
| 16 | * specific language governing permissions and limitations | |
| 17 | * under the License. | |
| 18 | *******************************************************************************/ | |
| 19 | package org.apache.commons.convert; | |
| 20 | ||
| 21 | /** Utility methods. */ | |
| 22 | public class Util { | |
| 23 | ||
| 24 | /** Convenience method to cast parameterized types. | |
| 25 | * | |
| 26 | * @param <V> The type to cast to | |
| 27 | * @param object The object to cast | |
| 28 | * @return <code>obj</code> cast to type <code>V</code> | |
| 29 | */ | |
| 30 | @SuppressWarnings("unchecked") | |
| 31 | public static <V> V cast(Object object) { | |
| 32 | 382 | return (V) object; |
| 33 | } | |
| 34 | ||
| 35 | /** | |
| 36 | * Tests if a class is the same class as, or sub-class of, or implements <code>typeClass</code>. | |
| 37 | * @param objectClass Class to test | |
| 38 | * @param typeClass Class to test against | |
| 39 | * @return <code>true</code> if <code>objectClass</code> is the same class as, or sub-class of, or implements <code>typeClass</code> | |
| 40 | */ | |
| 41 | public static boolean instanceOf(Class<?> objectClass, Class<?> typeClass) { | |
| 42 | 10033 | if (objectClass == typeClass) { |
| 43 | 375 | return true; |
| 44 | } | |
| 45 | 9658 | if (objectClass.isInterface()) { |
| 46 | 1562 | if (typeClass.isInterface()) { |
| 47 | // objectClass == interface, typeClass == interface | |
| 48 | 63 | Class<?>[] ifaces = objectClass.getInterfaces(); |
| 49 | 113 | for (Class<?> iface: ifaces) { |
| 50 | 61 | if (iface == typeClass) { |
| 51 | 11 | return true; |
| 52 | } | |
| 53 | } | |
| 54 | 52 | } else { |
| 55 | // objectClass == interface, typeClass != interface | |
| 56 | 1499 | Class<?>[] ifaces = typeClass.getInterfaces(); |
| 57 | 3663 | for (Class<?> iface: ifaces) { |
| 58 | 2165 | if (iface == objectClass) { |
| 59 | 1 | return true; |
| 60 | } | |
| 61 | } | |
| 62 | 1498 | } |
| 63 | } else { | |
| 64 | 8096 | if (typeClass.isInterface()) { |
| 65 | // objectClass != interface, typeClass == interface | |
| 66 | 1121 | while (objectClass != null) { |
| 67 | 824 | Class<?>[] ifaces = objectClass.getInterfaces(); |
| 68 | 1593 | for (Class<?> iface: ifaces) { |
| 69 | 780 | if (iface == typeClass) { |
| 70 | 11 | return true; |
| 71 | } | |
| 72 | } | |
| 73 | 813 | objectClass = objectClass.getSuperclass(); |
| 74 | 813 | } |
| 75 | } else { | |
| 76 | // objectClass != interface, typeClass != interface | |
| 77 | 29026 | while (objectClass != null) { |
| 78 | 21352 | if (objectClass == typeClass) { |
| 79 | 114 | return true; |
| 80 | } | |
| 81 | 21238 | objectClass = objectClass.getSuperclass(); |
| 82 | } | |
| 83 | } | |
| 84 | } | |
| 85 | 9521 | return false; |
| 86 | } | |
| 87 | ||
| 88 | /** Returns <code>true</code> if <code>str</code> is <code>null</code> | |
| 89 | * or empty. | |
| 90 | * | |
| 91 | * @param str The <code>String</code> to test | |
| 92 | * @return <code>true</code> if <code>str</code> is <code>null</code> | |
| 93 | * or empty | |
| 94 | */ | |
| 95 | public static boolean isEmpty(String str) { | |
| 96 | 11 | return str == null || str.trim().length() == 0; |
| 97 | } | |
| 98 | ||
| 99 | 1 | private Util() {} |
| 100 | } |