Caldavsync Sources: src/net/fortuna/ical4j/util/ComponentValidator.java@fb9019fb1bf7

Import initial revisions of existing project AndroidCaldavSyncAdapater,
forked from upstream repository at 27e8a0f8495c92e0780d450bdf0c7cec77a03a55.

     1 /**

     2  * Copyright (c) 2012, Ben Fortuna

     3  * All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions

     7  * are met:

     8  *

     9  *  o Redistributions of source code must retain the above copyright

    10  * notice, this list of conditions and the following disclaimer.

    11  *

    12  *  o Redistributions in binary form must reproduce the above copyright

    13  * notice, this list of conditions and the following disclaimer in the

    14  * documentation and/or other materials provided with the distribution.

    15  *

    16  *  o Neither the name of Ben Fortuna nor the names of any other contributors

    17  * may be used to endorse or promote products derived from this software

    18  * without specific prior written permission.

    19  *

    20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

    24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

    28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

    29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

    30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    31  */

    32 package net.fortuna.ical4j.util;

    34 import net.fortuna.ical4j.model.ComponentList;

    35 import net.fortuna.ical4j.model.ValidationException;

    37 /**

    38  * @author Ben

    39  *

    40  */

    41 public final class ComponentValidator {

    43     private static final String ASSERT_NONE_MESSAGE = "Component [{0}] is not applicable";

    45     private static final String ASSERT_ONE_OR_LESS_MESSAGE = "Component [{0}] must only be specified once";

    47     /**

    48      * Constructor made private to enforce static nature.

    49      */

    50     private ComponentValidator() {

    51     }

    53     /**

    54      * @param componentName a component name used in the assertion

    55      * @param components a list of components

    56      * @throws ValidationException where the assertion fails

    57      */

    58     public static void assertNone(String componentName, ComponentList components) throws ValidationException {

    59         if (components.getComponent(componentName) != null) {

    60             throw new ValidationException(ASSERT_NONE_MESSAGE, new Object[] {componentName});

    61         }

    62     }

    64     /**

    65      * @param componentName a component name used in the assertion

    66      * @param components a list of components

    67      * @throws ValidationException where the assertion fails

    68      */

    69     public static void assertOneOrLess(String componentName, ComponentList components) throws ValidationException {

    70         if (components.getComponents(componentName).size() > 1) {

    71             throw new ValidationException(ASSERT_ONE_OR_LESS_MESSAGE, new Object[] {componentName});

    72         }

    73     }

    74 }

Caldavsync Sources / file revision