org.hdiv.web.servlet.support.GrailsHdivRequestDataValueProcessor.java Source code

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Here is the source code for org.hdiv.web.servlet.support.GrailsHdivRequestDataValueProcessor.java

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/**
 * Copyright 2005-2012 hdiv.org
 *
 * 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.hdiv.web.servlet.support;

import javax.servlet.http.HttpServletRequest;

import org.springframework.web.servlet.support.RequestDataValueProcessor;

/**
 * {@link RequestDataValueProcessor} implementation for HDIV on Grails.
 * 
 * @author Ugaitz Urien
 */
public class GrailsHdivRequestDataValueProcessor extends HdivRequestDataValueProcessor {

    /**
     * Process the url for a link.
     * 
     * @param request
     *            request object
     * @param url
     *            link url
     * @return processed url
     */
    public String processUrl(HttpServletRequest request, String url) {
        String urlToProcess = url;
        Boolean modified = false;
        String contextPath = request.getContextPath();
        if (url.indexOf("/") == 0 && contextPath.length() > 1 && url.indexOf(contextPath) != 0) {
            urlToProcess = contextPath + url;
            modified = true;
        }
        String processedUrl = super.processUrl(request, urlToProcess);
        if (modified) {
            return processedUrl.substring(contextPath.length());
        }
        return processedUrl;
    }
}