org.atmosphere.util.ThreadLocalInvoker Maven / Gradle / Ivy
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package org.atmosphere.util;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* This class has been highly inspired by the Jersey's 1.x.
* @param
*/
public class ThreadLocalInvoker implements InvocationHandler {
private final ThreadLocal threadLocalInstance = new ThreadLocal<>();
public void set(T threadLocalInstance) {
this.threadLocalInstance.set(threadLocalInstance);
}
public T get() {
return this.threadLocalInstance.get();
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
if (threadLocalInstance.get() == null) {
throw new IllegalStateException("No thread local" + proxy.getClass());
}
try {
return method.invoke(threadLocalInstance.get(), args);
} catch (IllegalAccessException ex) {
throw new IllegalStateException(ex);
} catch (InvocationTargetException ex) {
throw ex.getTargetException();
}
}
}