001/*
002 *  Copyright 2011 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.linkdirectory.theme;
017
018import org.ametys.plugins.linkdirectory.repository.DefaultLink;
019import org.ametys.plugins.repository.query.expression.Expression;
020
021/**
022 * Build a {@link Expression} for links themes
023 *
024 */
025public class ThemeExpression implements Expression
026{
027    /** The theme label. */
028    protected String _value;
029    
030    /**
031     * Build a ThemeExpression from a label.
032     * @param value the theme label.
033     */
034    public ThemeExpression(String value)
035    {
036        _value = value;
037    }
038    
039    @Override
040    public String build()
041    {
042        StringBuilder buff = new StringBuilder();
043        
044        buff.append('@').append(DefaultLink.PROPERTY_THEMES).append(Operator.EQ).append("'").append(_value).append("'");
045        
046        return buff.toString();
047    }
048}
049