fr.exanpe.t5.lib.services.ExanpeComponentService.java Source code

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Here is the source code for fr.exanpe.t5.lib.services.ExanpeComponentService.java

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//
// Copyright 2011 EXANPE <exanpe@gmail.com>
//
// 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 fr.exanpe.t5.lib.services;

import org.apache.commons.lang.StringUtils;
import org.apache.tapestry5.ComponentResources;
import org.apache.tapestry5.dom.Element;

/**
 * Service for exanpe component
 * 
 * @author jmaupoux
 */
public class ExanpeComponentService {
    private static final String CSS_CLASS_ATTRIBUTE = "class";

    public void reorderCSSClassDeclaration(Element e, String componentRootCssClass) {
        String customCSSClass = e.getAttribute(CSS_CLASS_ATTRIBUTE);

        if (StringUtils.isNotEmpty(customCSSClass)) {
            String cssclasses = componentRootCssClass + " " + customCSSClass;
            e.forceAttributes(CSS_CLASS_ATTRIBUTE, cssclasses);
        } else {
            e.attribute(CSS_CLASS_ATTRIBUTE, componentRootCssClass);
        }
    }

    /**
     * Get a message by escalade from the resources as parameter
     * 
     * @param resources
     * @param key
     * @return the message, of null if not found
     */
    public String getEscaladeMessage(ComponentResources resources, String key) {
        if (resources == null)
            return null;
        if (!resources.getMessages().contains(key))
            return getEscaladeMessage(resources.getContainerResources(), key);
        return resources.getMessages().get(key);
    }
}