package org.hpi.service;
import org.hpi.dialogue.protocol.entities.Executable;
import org.hpi.dialogue.protocol.entities.Parameter;
import org.hpi.dialogue.protocol.response.DescribeInvokerResponse;
import org.hpi.dialogue.protocol.response.Response;
import org.hpi.dialogue.protocol.service.HPIClientProtocol;
import org.hpi.service.command.Command;
import org.hpi.service.command.SessionedCommand;
public class DescribeInvokerService extends SessionedCommand implements Command {
public static final String COMMAND = "-describe";
private String invoker;
public DescribeInvokerService(String sessionId, String invoker) {
super(sessionId);
this.invoker = invoker.trim();
}
@Override
public String execute(HPIClientProtocol clientProtocol) {
// describe an invoker
StringBuffer returning = new StringBuffer();
DescribeInvokerResponse invokerResponse = clientProtocol.describeInvoker(this.getSessionId(), this.invoker);
if (invokerResponse.getStatus().equals(Response.Status.SUCCESS)) {
returning.append("\n");
returning.append("\tid = " + invokerResponse.getInvoker().getId() + "\n");
returning.append("\tdescription = " + invokerResponse.getInvoker().getDescription());
for (Executable executable : invokerResponse.getInvoker().getExecutables()) {
returning.append("\n");
returning.append("\t\texecutable = " + executable.getCanonicalPath());
for (Parameter parameter : executable.getParameters()) {
returning.append("\n");
returning.append("\t\t\tparameter key = " + parameter.getKey() + ", parameter value = " + parameter.getValue());
}
}
} else if (invokerResponse.getStatus().equals(Response.Status.FAIL)) {
return invokerResponse.getMessage();
} else throw new IllegalStateException("Unkonw the server's status code response");
return returning.toString();
}
}