package com.sun.jersey.server.impl.inject;
import com.sun.jersey.api.container.ContainerException;
import com.sun.jersey.api.core.HttpContext;
import com.sun.jersey.spi.inject.Injectable;
import java.util.List;
import javax.ws.rs.WebApplicationException;
/**
* A hold of a list of injectable that obtains the injectable values
* from that list.
*
* @author Paul.Sandoz@Sun.Com
*/
public class InjectableValuesProvider {
private final List<AbstractHttpContextInjectable> is;
/**
* Create a new instance given a list of injectable.
*
* @param is the list of injectable.
*/
public InjectableValuesProvider(List<Injectable> is) {
this.is = AbstractHttpContextInjectable.transform(is);
}
public List<AbstractHttpContextInjectable> getInjectables() {
return is;
}
/**
* Get the injectable values.
*
* @param context the http contest.
* @return the injectable values. Each element in the object array
* is a value obtained from the injectable at the list index
* that is the element index.
*/
public Object[] getInjectableValues(HttpContext context) {
final Object[] params = new Object[is.size()];
try {
int index = 0;
for (AbstractHttpContextInjectable i : is) {
params[index++] = i.getValue(context);
}
return params;
} catch (WebApplicationException e) {
throw e;
} catch (ContainerException e) {
throw e;
} catch (RuntimeException e) {
throw new ContainerException("Exception obtaining parameters", e);
}
}
}