com.keertimaan.msconverter.validation.RequestContentRule.java Source code

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Here is the source code for com.keertimaan.msconverter.validation.RequestContentRule.java

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/**
 * Copyright 2014 Sayem Ahmed
 * 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 com.keertimaan.msconverter.validation;

import com.keertimaan.msconverter.web.exceptions.IllegalRequestException;

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

import javax.servlet.http.HttpServletRequest;

/**
 * @author <a href="mailto:sayem.cmnty@gmail.com">Sayem Ahmed</a>
 */
public class RequestContentRule implements FileUploadRule {
    public static final String INVALID_REQUEST_MSG = "Invalid request. You must upload a file to " + "this url.";

    @Override
    public void validate(HttpServletRequest request) {
        if (!ServletFileUpload.isMultipartContent(request)) {
            throw new IllegalRequestException(INVALID_REQUEST_MSG);
        }
    }
}