jp.terasoluna.fw.web.struts.actions.DownloadFileNameEncoderImpl.java Source code

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Here is the source code for jp.terasoluna.fw.web.struts.actions.DownloadFileNameEncoderImpl.java

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/*
 * Copyright (c) 2007 NTT DATA Corporation
 *
 * 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 jp.terasoluna.fw.web.struts.actions;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 *?@_E??[hwt@CGR?[hNX?B
 * <p>
 * NXInternet Explorer?B
 */
public class DownloadFileNameEncoderImpl implements DownloadFileNameEncoder {

    /**
     * ?ONX?B
     */
    private static final Log log = LogFactory.getLog(DownloadFileNameEncoderImpl.class);

    /**
     * _E??[hwt@CGR?[h?B
     *
     * @param original ?B
     * @return GR?[h??B
     */
    public String encode(String original, HttpServletRequest request, HttpServletResponse response) {
        // nullnullp?B
        if (original == null) {
            return null;
        }

        try {
            return URLEncoder.encode(original, AbstractDownloadObject.DEFAULT_CHARSET);
        } catch (UnsupportedEncodingException e) {
            // ??AO???s?B
            if (log.isWarnEnabled()) {
                log.warn(AbstractDownloadObject.DEFAULT_CHARSET + " is not supported encoding", e);
            }
            return original;
        }
    }
}