如何中止 Jax-RS WriterInterceptor 中的 REST 请求？

Question

我在我的服务器上使用 javax.ws.rs.ext.WriterInterceptor 来修改服务器生成的 REST 响应，然后再将它们发送到客户端。这按预期工作但是有没有办法从 aroundWriteTo 中中止请求？

@Provider
@ServerInterceptor
public class MyInterceptor implements WriterInterceptor {

  @Override
  public void aroundWriteTo (WriterInterceptorContext context) {

    final ByteArrayOutputStream bufferStream = new ByteArrayOutputStream();
    final OutputStream originalStream = context.getOutputStream();
    context.setOutputStream(bufferStream);
    context.proceed();

    final String originalMsg = bufferStream.toString(Charset.defaultCharset().name());
    try {
      // not important for this example what modify does
      final String modifiedMsg = modify(originalMsg);
    } catch (Exception e) {
      //How to abort request with HTTP status 500 at this point?
    }
    originalStream.write(modifiedMsg.getBytes(Charset.defaultCharset()));
    context.setOutputStream(originalStream);
  }
}

我正在使用 JBoss EAS 6.4.7 GA，RestEasy 3.0.9。

Answer 1

请求可以异常中止。这是示例代码：ContentMD5Writer.java

如何中止 Jax-RS WriterInterceptor 中的 REST 请求？

How to abort REST request inside a Jax-RS WriterInterceptor?

rest

jboss

jax-rs

resteasy