com.alibaba.citrus.service.upload.impl.cfu.ServletRequestContext.java Source code

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Here is the source code for com.alibaba.citrus.service.upload.impl.cfu.ServletRequestContext.java

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/*
 * Copyright (c) 2002-2012 Alibaba Group Holding Limited.
 * All rights reserved.
 *
 * 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.alibaba.citrus.service.upload.impl.cfu;

import javax.servlet.http.HttpServletRequest;

/**
 * commons-fileupload-1.2.1???
 * <ul>
 * <li>?<code>request.getCharacterEncoding()</code><code>null</code> 
 * <code>ISO-8859-1</code>??headerfield namefile name
 * <code>request.getCharacterEncoding()</code><code>null</code>
 * ?????servlet</li>
 * </ul>
 *
 * @author Michael Zhou
 */
public class ServletRequestContext extends org.apache.commons.fileupload.servlet.ServletRequestContext {
    public static final String DEFAULT_CHARSET = "ISO-8859-1";

    public ServletRequestContext(HttpServletRequest request) {
        super(request);
    }

    @Override
    public String getCharacterEncoding() {
        String charset = super.getCharacterEncoding();

        if (charset == null) {
            charset = DEFAULT_CHARSET;
        }

        return charset;
    }
}