org.tinygroup.springmvc.extension.impl.RequestURIFileExtensionResolver Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of org.tinygroup.springmvc Show documentation

The newest version!

/**
 *  Copyright (c) 1997-2013, www.tinygroup.org ([email protected]).
 *
 *  Licensed under the GPL, Version 3.0 (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.gnu.org/licenses/gpl.html
 *
 *  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.tinygroup.springmvc.extension.impl;

import org.springframework.web.util.UrlPathHelper;
import org.tinygroup.springmvc.extension.FileExtensionResolver;
import org.tinygroup.springmvc.util.WebUtil;

import javax.servlet.http.HttpServletRequest;
import java.util.Collections;
import java.util.List;

/**
 * 
 * @author renhui
 *
 */
public class RequestURIFileExtensionResolver implements
		FileExtensionResolver {

	private UrlPathHelper urlPathHelper = new UrlPathHelper();

	public UrlPathHelper getUrlPathHelper() {
		return urlPathHelper;
	}

	public void setUrlPathHelper(UrlPathHelper urlPathHelper) {
		this.urlPathHelper = urlPathHelper;
	}

	public List resolveFileExtensions(HttpServletRequest request) {
		UrlPathHelper urlPathHelper = getUrlPathHelper();
		String path = urlPathHelper.getLookupPathForRequest(request);
		String targetExt = WebUtil.getExtension(path);
		if (null == targetExt) {
			return null;
		}
		return Collections.singletonList(targetExt);
	}

	public boolean isSupport(HttpServletRequest t) {
		return t instanceof HttpServletRequest;
	}
}