Java 向Jersey中的响应对象添加数据
我试图使用一个Java 向Jersey中的响应对象添加数据,java,jersey,Java,Jersey,我试图使用一个方面向javax.ws.rs.core.Response添加一个时间戳,使用一个Around建议 我是爪哇岛和泽西岛的新手,我正在努力做到这一点。最接近我的是: Object output = proceed(); Method method = ((MethodSignature) thisJoinPoint.getSignature()).getMethod(); Type type = method.getGenericReturnType(); if (type == R
方面
向javax.ws.rs.core.Response
添加一个时间戳,使用一个Around建议
我是爪哇岛和泽西岛的新手,我正在努力做到这一点。最接近我的是:
Object output = proceed();
Method method = ((MethodSignature) thisJoinPoint.getSignature()).getMethod();
Type type = method.getGenericReturnType();
if (type == Response.class)
{
System.out.println("We have a response!");
Response original = (Response) output;
output = (Object)Response.ok(original.getEntity(String.class).toString()+ " " + Double.toString(duration)).build();
}
return output;
生成的响应类型始终是
应用程序/JSON
。基本上,我想在JSON中添加另一个字段,上面写着时间:最简单的解决方案是让所有实体类扩展一个接口,该接口有一个方法getTime()
和setTime()
,然后您可以在拦截器中设置时间值,如下所示
public interface TimedEntity {
long getTime();
void setTime(long time);
}
你的真实实体
public class Entity implements TimedEntity {
private long time;
// Other fields, getters and setters here..
@Override
public long getTime() {
return time;
}
@Override
public void setTime(long time) {
this.time = time;
}
}
你的拦截器呢
Object output = proceed();
Method method = ((MethodSignature)thisJoinPoint.getSignature()).getMethod();
Type type = method.getGenericReturnType();
if (type == Response.class)
{
System.out.println("We have a response!");
Response original = (Response) output;
if (original != null && original.getEntity() instanceof TimedEntity) {
TimedEntity timedEntity = (TimedEntity) original.getEntity();
timedEntity.setTime(duration);
}
}else if (output instanceof TimedEntity) {
TimedEntity timedEntity = (TimedEntity) output;
timedEntity.setTime(duration);
}
return output;
最简单的解决方案是让所有实体类扩展一个接口,该接口有一个方法
getTime()
和setTime()
,然后您可以在拦截器中设置时间值,如下所示
public interface TimedEntity {
long getTime();
void setTime(long time);
}
你的真实实体
public class Entity implements TimedEntity {
private long time;
// Other fields, getters and setters here..
@Override
public long getTime() {
return time;
}
@Override
public void setTime(long time) {
this.time = time;
}
}
你的拦截器呢
Object output = proceed();
Method method = ((MethodSignature)thisJoinPoint.getSignature()).getMethod();
Type type = method.getGenericReturnType();
if (type == Response.class)
{
System.out.println("We have a response!");
Response original = (Response) output;
if (original != null && original.getEntity() instanceof TimedEntity) {
TimedEntity timedEntity = (TimedEntity) original.getEntity();
timedEntity.setTime(duration);
}
}else if (output instanceof TimedEntity) {
TimedEntity timedEntity = (TimedEntity) output;
timedEntity.setTime(duration);
}
return output;