src/net/fortuna/ical4j/util/ComponentValidator.java@fb9019fb1bf7 (annotated)
src/net/fortuna/ical4j/util/ComponentValidator.java
Tue, 10 Feb 2015 18:12:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 10 Feb 2015 18:12:00 +0100
- changeset 0
- fb9019fb1bf7
- permissions
- -rw-r--r--
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.ComponentList; |
| michael@0 | 35 | import net.fortuna.ical4j.model.ValidationException; |
| michael@0 | 36 | |
| michael@0 | 37 | /** |
| michael@0 | 38 | * @author Ben |
| michael@0 | 39 | * |
| michael@0 | 40 | */ |
| michael@0 | 41 | public final class ComponentValidator { |
| michael@0 | 42 | |
| michael@0 | 43 | private static final String ASSERT_NONE_MESSAGE = "Component [{0}] is not applicable"; |
| michael@0 | 44 | |
| michael@0 | 45 | private static final String ASSERT_ONE_OR_LESS_MESSAGE = "Component [{0}] must only be specified once"; |
| michael@0 | 46 | |
| michael@0 | 47 | /** |
| michael@0 | 48 | * Constructor made private to enforce static nature. |
| michael@0 | 49 | */ |
| michael@0 | 50 | private ComponentValidator() { |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | /** |
| michael@0 | 54 | * @param componentName a component name used in the assertion |
| michael@0 | 55 | * @param components a list of components |
| michael@0 | 56 | * @throws ValidationException where the assertion fails |
| michael@0 | 57 | */ |
| michael@0 | 58 | public static void assertNone(String componentName, ComponentList components) throws ValidationException { |
| michael@0 | 59 | if (components.getComponent(componentName) != null) { |
| michael@0 | 60 | throw new ValidationException(ASSERT_NONE_MESSAGE, new Object[] {componentName}); |
| michael@0 | 61 | } |
| michael@0 | 62 | } |
| michael@0 | 63 | |
| michael@0 | 64 | /** |
| michael@0 | 65 | * @param componentName a component name used in the assertion |
| michael@0 | 66 | * @param components a list of components |
| michael@0 | 67 | * @throws ValidationException where the assertion fails |
| michael@0 | 68 | */ |
| michael@0 | 69 | public static void assertOneOrLess(String componentName, ComponentList components) throws ValidationException { |
| michael@0 | 70 | if (components.getComponents(componentName).size() > 1) { |
| michael@0 | 71 | throw new ValidationException(ASSERT_ONE_OR_LESS_MESSAGE, new Object[] {componentName}); |
| michael@0 | 72 | } |
| michael@0 | 73 | } |
| michael@0 | 74 | } |
