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
015package org.apache.tapestry5.internal.util;
016
017import org.apache.tapestry5.services.ClassTransformation;
018
019import 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 */
025public 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}