javax.servlet.MultipartConfigElement.java Source code

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2017-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
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 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
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 */

package javax.servlet;

import javax.servlet.annotation.MultipartConfig;

/**
 * Java Class represntation of an {@link MultipartConfig} annotation value.
 *
 * @since Servlet 3.0
 */
public class MultipartConfigElement {

    private String location;
    private long maxFileSize;
    private long maxRequestSize;
    private int fileSizeThreshold;

    /**
     * Constructs an instance with defaults for all but location.
     *
     * @param location defualts to "" if values is null.
     */
    public MultipartConfigElement(String location) {
        if (location == null) {
            this.location = "";
        } else {
            this.location = location;
        }
        this.maxFileSize = -1L;
        this.maxRequestSize = -1L;
        this.fileSizeThreshold = 0;
    }

    /**
     * Constructs an instance with all values specified.
     *
     * @param location the directory location where files will be stored
     * @param maxFileSize the maximum size allowed for uploaded files
     * @param maxRequestSize the maximum size allowed for
     * multipart/form-data requests
     * @param fileSizeThreshold the size threshold after which files will
     * be written to disk
     */
    public MultipartConfigElement(String location, long maxFileSize, long maxRequestSize, int fileSizeThreshold) {
        if (location == null) {
            this.location = "";
        } else {
            this.location = location;
        }
        this.maxFileSize = maxFileSize;
        this.maxRequestSize = maxRequestSize;
        this.fileSizeThreshold = fileSizeThreshold;
    }

    /**
     * Constructs an instance from a {@link MultipartConfig} annotation value.
     *
     * @param annotation the annotation value
     */
    public MultipartConfigElement(MultipartConfig annotation) {
        this.location = annotation.location();
        this.fileSizeThreshold = annotation.fileSizeThreshold();
        this.maxFileSize = annotation.maxFileSize();
        this.maxRequestSize = annotation.maxRequestSize();
    }

    /**
     * Gets the directory location where files will be stored.
     *
     * @return the directory location where files will be stored
     */
    public String getLocation() {
        return this.location;
    }

    /**
     * Gets the maximum size allowed for uploaded files.
     *
     * @return the maximum size allowed for uploaded files
     */
    public long getMaxFileSize() {
        return this.maxFileSize;
    }

    /**
     * Gets the maximum size allowed for multipart/form-data requests.
     *
     * @return the maximum size allowed for multipart/form-data requests
     */
    public long getMaxRequestSize() {
        return this.maxRequestSize;
    }

    /**
     * Gets the size threshold after which files will be written to disk.
     *
     * @return the size threshold after which files will be written to disk
     */
    public int getFileSizeThreshold() {
        return this.fileSizeThreshold;
    }
}