    001    // Copyright 2006 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    //     http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.internal.util;
    016
    017    import org.apache.tapestry5.services.ClassTransformation;
    018
    019    import static java.lang.String.format;
    020
    021    /**
    022     * Implementation of {@link org.apache.tapestry5.internal.util.ParameterBuilder} that simply provides a static string
    023     * value for the parameter expression.
    024     */
    025    public final class StringParameterBuilder implements ParameterBuilder
    026    {
    027        private final String expression;
    028
    029        public StringParameterBuilder(String expression)
    030        {
    031            this.expression = expression;
    032        }
    033
    034        public String buildParameter(ClassTransformation transformation)
    035        {
    036            return expression;
    037        }
    038
    039        @Override
    040        public String toString()
    041        {
    042            return format("StringParameterBuilder[%s]", expression);
    043        }
    044    }