tapestry-core/src/test/java/org/apache/tapestry5/integration/app1/mixins/Emphasis.java

// Copyright 2006, 2007 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.apache.tapestry5.integration.app1.mixins;

import org.apache.tapestry5.MarkupWriter;
import org.apache.tapestry5.annotations.AfterRender;
import org.apache.tapestry5.annotations.BeginRender;
import org.apache.tapestry5.annotations.Parameter;

/**
 * Mixin that adds emphasis to a component if a test is true.
 */
public class Emphasis
{
    @Parameter(required = true)
    private boolean test;

    @BeginRender
    void begin(MarkupWriter writer)
    {
        if (test)
            writer.element("em");
    }

    @AfterRender
    void after(MarkupWriter writer)
    {
        if (test)
            writer.end();
    }
}