Tie XACML REST Decision

[policy/xacml-pdp.git] / main / src / main / java / org / onap / policy / pdpx / main / rest / provider / DecisionProvider.java

diff --git a/main/src/main/java/org/onap/policy/pdpx/main/rest/provider/DecisionProvider.java b/main/src/main/java/org/onap/policy/pdpx/main/rest/provider/DecisionProvider.java
index 6219004..3317853 100644 (file)
--- a/main/src/main/java/org/onap/policy/pdpx/main/rest/provider/DecisionProvider.java
+++ b/main/src/main/java/org/onap/policy/pdpx/main/rest/provider/DecisionProvider.java
@@ -20,19 +20,44 @@
 
 package org.onap.policy.pdpx.main.rest.provider;
 
-import org.onap.policy.pdpx.main.rest.model.Decision;
+import javax.ws.rs.core.Response.Status;
+
+import org.onap.policy.models.decisions.concepts.DecisionException;
+import org.onap.policy.models.decisions.concepts.DecisionRequest;
+import org.onap.policy.models.decisions.concepts.DecisionResponse;
+import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
+import org.onap.policy.pdpx.main.rest.XacmlPdpApplicationManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 
 public class DecisionProvider {
+    private static final Logger LOGGER = LoggerFactory.getLogger(DecisionProvider.class);
 
     /**
      * Retrieves the policy decision for the specified parameters.
+     * @param body
      *
      * @return the Decision object
      */
-    public Decision fetchDecision() {
-        // placeholder
-        return new Decision();
+    public DecisionResponse fetchDecision(DecisionRequest request) {
+        LOGGER.debug("Fetching decision {}", request);
+        //
+        // Find application for this decision
+        //
+        XacmlApplicationServiceProvider application = findApplication(request);
+        //
+        // Cannot find application for action
+        //
+        return application.makeDecision(request);
+    }
+
+    private XacmlApplicationServiceProvider findApplication(DecisionRequest request) {
+        XacmlApplicationServiceProvider application = XacmlPdpApplicationManager.findApplication(request);
+        if (application != null) {
+            return application;
+        }
+        throw new DecisionException(Status.BAD_REQUEST, "No application for action " + request.getAction());
     }
 
 }