jetbrick.web.mvc.results.RawDataResultHandler 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.IOException;
import java.io.InputStream;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import jetbrick.io.IoUtils;
import jetbrick.ioc.annotations.Managed;
import jetbrick.web.mvc.RequestContext;
/**
* 自定义输出二进制数据.
*
* @author Guoqiang Chen
*/
@Managed
public class RawDataResultHandler implements ResultHandler {
@Override
public void handle(RequestContext ctx, RawData result) throws IOException {
HttpServletResponse response = ctx.getResponse();
response.setContentType(result.getContentType());
if (result.getContentLength() > 0) {
response.setContentLength(result.getContentLength());
}
ServletOutputStream out = response.getOutputStream();
InputStream is = result.getInputStream();
try {
IoUtils.copy(is, out);
} finally {
IoUtils.closeQuietly(is);
}
out.flush();
}
}