app/src/main/java/org/apache/roller/weblogger/ui/rendering/util/WeblogMediaResourceRequest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  The ASF licenses this file to You
 * 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.  For additional information regarding
 * copyright in this work, please see the NOTICE file in the top level
 * directory of this distribution.
 */

package org.apache.roller.weblogger.ui.rendering.util;

import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;


/**
 * Represents a request for a weblog resource file.
 *
 * /roller-ui/rendering/resources/*
 */
public class WeblogMediaResourceRequest extends WeblogRequest {
    
    private static Log log = LogFactory.getLog(WeblogMediaResourceRequest.class);
        
    // lightweight attributes
    private String resourceId = null;

    private boolean thumbnail = false;
    
    
    public WeblogMediaResourceRequest() {}
    
    
    /**
     * Construct the WeblogResourceRequest by parsing the incoming url
     */
    public WeblogMediaResourceRequest(HttpServletRequest request) 
            throws InvalidRequestException {
        
        // let our parent take care of their business first
        // parent determines weblog handle and locale if specified
        super(request);
        
        // we only want the path info left over from after our parents parsing
        String pathInfo = this.getPathInfo();
        
        // parse the request object and figure out what we've got
        log.debug("parsing path "+pathInfo);
                
        
        /* 
         * any id is okay...
         */
        if (pathInfo != null && pathInfo.trim().length() > 1) {
            
            this.resourceId = pathInfo;
            if (pathInfo.startsWith("/")) {
                this.resourceId = pathInfo.substring(1);
            }
        
        } else {
            throw new InvalidRequestException("invalid resource path info, "+
                    request.getRequestURL());
        }

        if (request.getParameter("t") != null && "true".equals(request.getParameter("t"))) {
            thumbnail = true;
        }
        
        if(log.isDebugEnabled()) {
            log.debug("resourceId = "+this.resourceId);
        }
    }
    
    public String getResourceId() {
        return resourceId;
    }

    public void setResourceId(String resourceId) {
        this.resourceId = resourceId;
    }
            
    protected boolean isLocale(String potentialLocale) {
        // We don't support locales in the resource Servlet so we've got to 
        // keep parent from treating upload sub-directory name as a locale.
        return false;
    }

    /**
     * @return the thumbnail
     */
    public boolean isThumbnail() {
        return thumbnail;
    }

    /**
     * @param thumbnail the thumbnail to set
     */
    public void setThumbnail(boolean thumbnail) {
        this.thumbnail = thumbnail;
    }
}