org.directwebremoting.spring.namespace.UrlMappingParser Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of dwr Show documentation

DWR is easy Ajax for Java. It makes it simple to call Java code directly from Javascript. It gets rid of almost all the boiler plate code between the web browser and your Java code.

The newest version!

/*
 * Copyright 2010 original author or authors
 *
 * 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.directwebremoting.spring.namespace;

import org.directwebremoting.spring.DwrHandlerMapping;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;

/**
 * Converts <dwr:url-mapping /> tag in the adequate DwrHandlerMapping bean definition.
 *
 * @author Jose Noheda [[email protected]]
 */
public class UrlMappingParser extends AbstractSingleBeanDefinitionParser
{

    @Override
    protected Class getBeanClass(Element element)
    {
        return DwrHandlerMapping.class;
    }

    /**
     * Offers a default value of ""
     */
    @Override
    protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext) throws BeanDefinitionStoreException
    {
        String id = super.resolveId(element, definition, parserContext);
        return StringUtils.hasText(id) ? id : "dwrHandlerMapping";
    }

    /**
     * Includes the interceptors list.
     *
     * @param element the tag itself
     * @param urlMapping the bean definition already created
     */
    @Override
    protected void doParse(Element element, BeanDefinitionBuilder urlMapping)
    {
        String interceptors = element.getAttribute("interceptors");
        if (StringUtils.hasText(interceptors))
        {
            urlMapping.addPropertyReference("interceptors", interceptors);
        }
    }

}