001    /*
002     * Jpkg - Java library and tools for operating system package creation.
003     *
004     * Copyright (c) 2007-2008 Three Rings Design, Inc.
005     * All rights reserved.
006     *
007     * Redistribution and use in source and binary forms, with or without
008     * modification, are permitted provided that the following conditions
009     * are met:
010     * 1. Redistributions of source code must retain the above copyright
011     *    notice, this list of conditions and the following disclaimer.
012     * 2. Redistributions in binary form must reproduce the above copyright
013     *    notice, this list of conditions and the following disclaimer in the
014     *    documentation and/or other materials provided with the distribution.
015     * 3. Neither the name of the copyright owner nor the names of contributors
016     *    may be used to endorse or promote products derived from this software
017     *    without specific prior written permission.
018     *
019     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
020     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
021     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
022     * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
023     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
024     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
025     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
026     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
027     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
028     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
029     * POSSIBILITY OF SUCH DAMAGE.
030     */
031    package com.threerings.antidote.field;
032    
033    
034    /**
035     * A {@link FieldWrapper} which wraps a {@link Field} which must be set, e.g. not null.
036     */
037    public class RequiredField<F extends ReferenceField> extends BaseFieldWrapper<F>
038    {
039        // from BaseFieldWrapper
040        public RequiredField (F wrapped, Field parent)
041        {
042            super(wrapped, parent);
043        }
044    
045        // from BaseFieldWrapper
046        public RequiredField (Class<? extends Field> clazz, Field parent)
047        {
048            super(clazz, parent);
049        }
050    
051        // from BaseFieldWrapper
052        public RequiredField (String abstractName, Field parent)
053        {
054            super(abstractName, parent);
055        }
056    
057        @Override // from BaseFieldWrapper
058        public void validateWrappedField ()
059        {
060            if (isNotSet()) {
061                appendViolation(new UnsetFieldViolation(this));
062    
063            } else {
064                appendViolationList(getField().validate());
065            }
066        }
067    }