Tue, 10 Feb 2015 18:12:00 +0100
Import initial revisions of existing project AndroidCaldavSyncAdapater,
forked from upstream repository at 27e8a0f8495c92e0780d450bdf0c7cec77a03a55.
michael@0 | 1 | /** |
michael@0 | 2 | * Copyright (c) 2012, Ben Fortuna |
michael@0 | 3 | * All rights reserved. |
michael@0 | 4 | * |
michael@0 | 5 | * Redistribution and use in source and binary forms, with or without |
michael@0 | 6 | * modification, are permitted provided that the following conditions |
michael@0 | 7 | * are met: |
michael@0 | 8 | * |
michael@0 | 9 | * o Redistributions of source code must retain the above copyright |
michael@0 | 10 | * notice, this list of conditions and the following disclaimer. |
michael@0 | 11 | * |
michael@0 | 12 | * o Redistributions in binary form must reproduce the above copyright |
michael@0 | 13 | * notice, this list of conditions and the following disclaimer in the |
michael@0 | 14 | * documentation and/or other materials provided with the distribution. |
michael@0 | 15 | * |
michael@0 | 16 | * o Neither the name of Ben Fortuna nor the names of any other contributors |
michael@0 | 17 | * may be used to endorse or promote products derived from this software |
michael@0 | 18 | * without specific prior written permission. |
michael@0 | 19 | * |
michael@0 | 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
michael@0 | 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
michael@0 | 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
michael@0 | 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
michael@0 | 24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
michael@0 | 25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
michael@0 | 26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
michael@0 | 27 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
michael@0 | 28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
michael@0 | 29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
michael@0 | 30 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
michael@0 | 31 | */ |
michael@0 | 32 | package net.fortuna.ical4j.util; |
michael@0 | 33 | |
michael@0 | 34 | import net.fortuna.ical4j.model.PropertyList; |
michael@0 | 35 | import net.fortuna.ical4j.model.ValidationException; |
michael@0 | 36 | |
michael@0 | 37 | /** |
michael@0 | 38 | * $Id$ [15-May-2004] |
michael@0 | 39 | * |
michael@0 | 40 | * Defines methods for validating properties and property lists. |
michael@0 | 41 | * |
michael@0 | 42 | * @author Ben Fortuna |
michael@0 | 43 | */ |
michael@0 | 44 | public final class PropertyValidator { |
michael@0 | 45 | |
michael@0 | 46 | private static final String ASSERT_NONE_MESSAGE = "Property [{0}] is not applicable"; |
michael@0 | 47 | |
michael@0 | 48 | private static final String ASSERT_ONE_OR_LESS_MESSAGE = "Property [{0}] must only be specified once"; |
michael@0 | 49 | |
michael@0 | 50 | private static final String ASSERT_ONE_MESSAGE = "Property [{0}] must be specified once"; |
michael@0 | 51 | |
michael@0 | 52 | private static final String ASSERT_ONE_OR_MORE_MESSAGE = "Property [{0}] must be specified at least once"; |
michael@0 | 53 | |
michael@0 | 54 | private static PropertyValidator instance = new PropertyValidator(); |
michael@0 | 55 | |
michael@0 | 56 | /** |
michael@0 | 57 | * Constructor made private to enforce singleton. |
michael@0 | 58 | */ |
michael@0 | 59 | private PropertyValidator() { |
michael@0 | 60 | } |
michael@0 | 61 | |
michael@0 | 62 | /** |
michael@0 | 63 | * Ensure a property occurs no more than once. |
michael@0 | 64 | * |
michael@0 | 65 | * @param propertyName |
michael@0 | 66 | * the property name |
michael@0 | 67 | * @param properties |
michael@0 | 68 | * a list of properties to query |
michael@0 | 69 | * @throws ValidationException |
michael@0 | 70 | * when the specified property occurs more than once |
michael@0 | 71 | */ |
michael@0 | 72 | public void assertOneOrLess(final String propertyName, |
michael@0 | 73 | final PropertyList properties) throws ValidationException { |
michael@0 | 74 | |
michael@0 | 75 | if (properties.getProperties(propertyName).size() > 1) { |
michael@0 | 76 | throw new ValidationException(ASSERT_ONE_OR_LESS_MESSAGE, new Object[] {propertyName}); |
michael@0 | 77 | } |
michael@0 | 78 | } |
michael@0 | 79 | |
michael@0 | 80 | /** |
michael@0 | 81 | * Ensure a property occurs at least once. |
michael@0 | 82 | * |
michael@0 | 83 | * @param propertyName |
michael@0 | 84 | * the property name |
michael@0 | 85 | * @param properties |
michael@0 | 86 | * a list of properties to query |
michael@0 | 87 | * @throws ValidationException |
michael@0 | 88 | * when the specified property occurs more than once |
michael@0 | 89 | */ |
michael@0 | 90 | public void assertOneOrMore(final String propertyName, |
michael@0 | 91 | final PropertyList properties) throws ValidationException { |
michael@0 | 92 | |
michael@0 | 93 | if (properties.getProperties(propertyName).size() < 1) { |
michael@0 | 94 | throw new ValidationException(ASSERT_ONE_OR_MORE_MESSAGE, new Object[] {propertyName}); |
michael@0 | 95 | } |
michael@0 | 96 | } |
michael@0 | 97 | |
michael@0 | 98 | /** |
michael@0 | 99 | * Ensure a property occurs once. |
michael@0 | 100 | * |
michael@0 | 101 | * @param propertyName |
michael@0 | 102 | * the property name |
michael@0 | 103 | * @param properties |
michael@0 | 104 | * a list of properties to query |
michael@0 | 105 | * @throws ValidationException |
michael@0 | 106 | * when the specified property does not occur once |
michael@0 | 107 | */ |
michael@0 | 108 | public void assertOne(final String propertyName, |
michael@0 | 109 | final PropertyList properties) throws ValidationException { |
michael@0 | 110 | |
michael@0 | 111 | if (properties.getProperties(propertyName).size() != 1) { |
michael@0 | 112 | throw new ValidationException(ASSERT_ONE_MESSAGE, new Object[] {propertyName}); |
michael@0 | 113 | } |
michael@0 | 114 | } |
michael@0 | 115 | |
michael@0 | 116 | /** |
michael@0 | 117 | * Ensure a property doesn't occur in the specified list. |
michael@0 | 118 | * @param propertyName the name of a property |
michael@0 | 119 | * @param properties a list of properties |
michael@0 | 120 | * @throws ValidationException thrown when the specified property |
michael@0 | 121 | * is found in the list of properties |
michael@0 | 122 | */ |
michael@0 | 123 | public void assertNone(final String propertyName, final PropertyList properties) throws ValidationException { |
michael@0 | 124 | if (properties.getProperty(propertyName) != null) { |
michael@0 | 125 | throw new ValidationException(ASSERT_NONE_MESSAGE, new Object[] {propertyName}); |
michael@0 | 126 | } |
michael@0 | 127 | } |
michael@0 | 128 | |
michael@0 | 129 | /** |
michael@0 | 130 | * @return Returns the instance. |
michael@0 | 131 | */ |
michael@0 | 132 | public static PropertyValidator getInstance() { |
michael@0 | 133 | return instance; |
michael@0 | 134 | } |
michael@0 | 135 | } |