jetbrick.web.mvc.results.RawDownloadResultHandler Maven / Gradle / Ivy
/**
* Copyright 2013-2014 Guoqiang Chen, Shanghai, China. All rights reserved.
*
* Email: [email protected]
* URL: http://subchen.github.io/
*
* 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 jetbrick.web.mvc.results;
import java.io.*;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import jetbrick.commons.io.IoUtils;
import jetbrick.ioc.annotations.Managed;
import jetbrick.web.mvc.RequestContext;
// 负责文件下载
@Managed
public class RawDownloadResultHandler implements ResultHandler {
@Override
public void handle(RequestContext ctx, RawDownload result) throws IOException {
HttpServletResponse response = ctx.getResponse();
response.setContentType(result.getContentType());
// 中文文件名支持
try {
String encodedfileName = new String(result.getFileName().getBytes(), "ISO8859-1");
response.setHeader("Content-Disposition", "attachment; filename=" + encodedfileName);
} catch (UnsupportedEncodingException e) {
}
ServletOutputStream out = response.getOutputStream();
InputStream is = result.getInputStream();
try {
IoUtils.copy(is, out);
} finally {
IoUtils.closeQuietly(is);
}
out.flush();
}
}