jetbrick.web.mvc.results.views.AbstractDataViewHandler 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.views;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import jetbrick.web.mvc.RequestContext;
// 所有子类都是单例
public abstract class AbstractDataViewHandler implements ViewHandler {
@Override
public String getSuffix() {
return null;
}
public abstract String getMimetype(HttpServletRequest request);
@Override
public void render(RequestContext ctx, String value) throws IOException {
HttpServletRequest request = ctx.getRequest();
HttpServletResponse response = ctx.getResponse();
String characterEncoding = request.getCharacterEncoding();
response.setCharacterEncoding(characterEncoding);
response.setContentType(getMimetype(request) + "; charset=" + characterEncoding);
PrintWriter out = response.getWriter();
out.write(value);
out.flush();
}
}