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Contains the entire NEBA core implementation, i.e. the framework that interprets the NEBA API annotations and provides implementations for the service and lifecycle callback interfaces provided in the NEBA API. This package must not export anything as its implementation details are entirely private.

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/**
 * Copyright 2013 the 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 io.neba.core.mvc;

import org.apache.sling.api.SlingHttpServletRequest;
import org.springframework.web.multipart.MultipartException;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.multipart.MultipartResolver;

import javax.servlet.http.HttpServletRequest;

import static org.apache.commons.fileupload.servlet.ServletFileUpload.isMultipartContent;

/**
 * @author Olaf Otto
 */
public class SlingMultipartResolver implements MultipartResolver {

	@Override
	public boolean isMultipart(HttpServletRequest request) {
		return request != null && isMultipartContent(request);
	}

	@Override
	public MultipartHttpServletRequest resolveMultipart(HttpServletRequest request) throws MultipartException {
	    if (request == null) {
	        throw new IllegalArgumentException("Method argument request must not be null.");
	    }
	    if (!(request instanceof SlingHttpServletRequest)) {
	        throw new IllegalArgumentException("Method argument request must be a " + 
	        		SlingHttpServletRequest.class + ", but is a " + request.getClass() + ".");
	    }
		return new MultipartSlingHttpServletRequest((SlingHttpServletRequest) request);
	}

	@Override
	public void cleanupMultipart(MultipartHttpServletRequest request) {
		// This is done by sling.
	}

}