Add changes to support application/yaml in api
[policy/api.git] / main / src / main / java / org / onap / policy / api / main / rest / LegacyApiRestController.java
index 05bb92f..6a4e39d 100644 (file)
@@ -31,6 +31,7 @@ import io.swagger.annotations.Authorization;
 import io.swagger.annotations.Extension;
 import io.swagger.annotations.ExtensionProperty;
 import io.swagger.annotations.ResponseHeader;
+import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 import javax.ws.rs.Consumes;
@@ -42,15 +43,12 @@ import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.ResponseBuilder;
+import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.api.main.rest.provider.LegacyGuardPolicyProvider;
 import org.onap.policy.api.main.rest.provider.LegacyOperationalPolicyProvider;
 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
 import org.onap.policy.common.endpoints.utils.NetLoggerUtil;
 import org.onap.policy.common.endpoints.utils.NetLoggerUtil.EventType;
-import org.onap.policy.common.utils.coder.Coder;
-import org.onap.policy.common.utils.coder.CoderException;
-import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.models.base.PfModelException;
 import org.onap.policy.models.base.PfModelRuntimeException;
 import org.onap.policy.models.tosca.legacy.concepts.LegacyGuardPolicyInput;
@@ -66,14 +64,12 @@ import org.slf4j.LoggerFactory;
  */
 @Path("/policy/api/v1")
 @Api(value = "Legacy Policy Design API")
-@Produces("application/json")
-@Consumes("application/json")
-public class LegacyApiRestController {
+@Produces({"application/json", "application/yaml"})
+@Consumes({"application/json", "application/yaml"})
+public class LegacyApiRestController extends CommonRestController {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(LegacyApiRestController.class);
 
-    private final Coder coder = new StandardCoder();
-
     /**
      * Retrieves the latest version of a particular guard policy.
      *
@@ -123,14 +119,11 @@ public class LegacyApiRestController {
 
         try (LegacyGuardPolicyProvider guardPolicyProvider = new LegacyGuardPolicyProvider()) {
             Map<String, LegacyGuardPolicyOutput> policies = guardPolicyProvider.fetchGuardPolicy(policyId, null);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(policies).build();
+            return makeOkResponse(requestId, policies);
         } catch (PfModelException | PfModelRuntimeException pfme) {
             LOGGER.error("GET /policytypes/onap.policies.controlloop.Guard/versions/1.0.0/policies/{}"
                 + "/versions/latest", policyId, pfme);
-            return addLoggingHeaders(addVersionControlHeaders(
-                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)
-                    .entity(pfme.getErrorResponse()).build();
+            return makeErrorResponse(requestId, pfme);
         }
     }
 
@@ -186,14 +179,70 @@ public class LegacyApiRestController {
         try (LegacyGuardPolicyProvider guardPolicyProvider = new LegacyGuardPolicyProvider()) {
             Map<String, LegacyGuardPolicyOutput> policies = guardPolicyProvider
                     .fetchGuardPolicy(policyId, policyVersion);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(policies).build();
+            return makeOkResponse(requestId, policies);
         } catch (PfModelException | PfModelRuntimeException pfme) {
             LOGGER.error("GET /policytypes/onap.policies.controlloop.Guard/versions/1.0.0/policies/{}/versions/{}",
                     policyId, policyVersion, pfme);
-            return addLoggingHeaders(addVersionControlHeaders(
-                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)
-                    .entity(pfme.getErrorResponse()).build();
+            return makeErrorResponse(requestId, pfme);
+        }
+    }
+
+    /**
+     * Retrieves deployed versions of a particular guard policy in PDP groups.
+     *
+     * @param policyId the ID of specified policy
+     *
+     * @return the Response object containing the results of the API operation
+     */
+    @GET
+    @Path("/policytypes/onap.policies.controlloop.Guard/versions/1.0.0/"
+         + "policies/{policyId}/versions/deployed")
+    @ApiOperation(value = "Retrieve deployed versions of a particular guard policy in pdp groups",
+            notes = "Returns deployed versions of a specified guard policy in pdp groups",
+            response = LegacyGuardPolicyOutput.class, responseContainer = "Map",
+            responseHeaders = {
+                    @ResponseHeader(name = "X-MinorVersion",
+                                    description = "Used to request or communicate a MINOR version back from the client"
+                                                + " to the server, and from the server back to the client",
+                                    response = String.class),
+                    @ResponseHeader(name = "X-PatchVersion",
+                                    description = "Used only to communicate a PATCH version in a response for"
+                                                + " troubleshooting purposes only, and will not be provided by"
+                                                + " the client on request",
+                                    response = String.class),
+                    @ResponseHeader(name = "X-LatestVersion",
+                                    description = "Used only to communicate an API's latest version",
+                                    response = String.class),
+                    @ResponseHeader(name = "X-ONAP-RequestID",
+                                    description = "Used to track REST transactions for logging purpose",
+                                    response = UUID.class)
+            },
+            authorizations = @Authorization(value = "basicAuth"),
+            tags = { "Legacy Guard Policy", },
+            extensions = {
+                    @Extension(name = "interface info", properties = {
+                            @ExtensionProperty(name = "api-version", value = "1.0.0"),
+                            @ExtensionProperty(name = "last-mod-release", value = "Dublin")
+                    })
+            })
+    @ApiResponses(value = {
+            @ApiResponse(code = 401, message = "Authentication Error"),
+            @ApiResponse(code = 403, message = "Authorization Error"),
+            @ApiResponse(code = 404, message = "Resource Not Found"),
+            @ApiResponse(code = 500, message = "Internal Server Error")
+        })
+    public Response getDeployedVersionsOfGuardPolicy(
+            @PathParam("policyId") @ApiParam(value = "ID of policy", required = true) String policyId,
+            @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {
+
+        try (LegacyGuardPolicyProvider guardPolicyProvider = new LegacyGuardPolicyProvider()) {
+            Map<Pair<String, String>, Map<String, LegacyGuardPolicyOutput>> deployedGuardPolicies =
+                    guardPolicyProvider.fetchDeployedGuardPolicies(policyId);
+            return makeOkResponse(requestId, deployedGuardPolicies);
+        } catch (PfModelException | PfModelRuntimeException pfme) {
+            LOGGER.error("GET /policytypes/onap.policies.controlloop.Guard/versions/1.0.0/"
+                + "policies/{}/versions/deployed", policyId, pfme);
+            return makeErrorResponse(requestId, pfme);
         }
     }
 
@@ -251,13 +300,10 @@ public class LegacyApiRestController {
 
         try (LegacyGuardPolicyProvider guardPolicyProvider = new LegacyGuardPolicyProvider()) {
             Map<String, LegacyGuardPolicyOutput> policy = guardPolicyProvider.createGuardPolicy(body);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(policy).build();
+            return makeOkResponse(requestId, policy);
         } catch (PfModelException | PfModelRuntimeException pfme) {
             LOGGER.error("POST /policytypes/onap.policies.controlloop.Guard/versions/1.0.0/policies", pfme);
-            return addLoggingHeaders(addVersionControlHeaders(
-                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)
-                    .entity(pfme.getErrorResponse()).build();
+            return makeErrorResponse(requestId, pfme);
         }
     }
 
@@ -314,14 +360,11 @@ public class LegacyApiRestController {
         try (LegacyGuardPolicyProvider guardPolicyProvider = new LegacyGuardPolicyProvider()) {
             Map<String, LegacyGuardPolicyOutput> policies = guardPolicyProvider
                     .deleteGuardPolicy(policyId, policyVersion);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(policies).build();
+            return makeOkResponse(requestId, policies);
         } catch (PfModelException | PfModelRuntimeException pfme) {
             LOGGER.error("DELETE /policytypes/onap.policies.controlloop.Guard/versions/1.0.0/policies/{}/versions/{}",
                     policyId, policyVersion, pfme);
-            return addLoggingHeaders(addVersionControlHeaders(
-                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)
-                    .entity(pfme.getErrorResponse()).build();
+            return makeErrorResponse(requestId, pfme);
         }
     }
 
@@ -374,14 +417,11 @@ public class LegacyApiRestController {
 
         try (LegacyOperationalPolicyProvider operationalPolicyProvider = new LegacyOperationalPolicyProvider()) {
             LegacyOperationalPolicy policy = operationalPolicyProvider.fetchOperationalPolicy(policyId, null);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(policy).build();
+            return makeOkResponse(requestId, policy);
         } catch (PfModelException | PfModelRuntimeException pfme) {
             LOGGER.error("GET /policytypes/onap.policies.controlloop.Operational/versions/1.0.0/policies/{}"
                 + "/versions/latest", policyId, pfme);
-            return addLoggingHeaders(addVersionControlHeaders(
-                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)
-                    .entity(pfme.getErrorResponse()).build();
+            return makeErrorResponse(requestId, pfme);
         }
     }
 
@@ -437,14 +477,70 @@ public class LegacyApiRestController {
 
         try (LegacyOperationalPolicyProvider operationalPolicyProvider = new LegacyOperationalPolicyProvider()) {
             LegacyOperationalPolicy policy = operationalPolicyProvider.fetchOperationalPolicy(policyId, policyVersion);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(policy).build();
+            return makeOkResponse(requestId, policy);
         } catch (PfModelException | PfModelRuntimeException pfme) {
             LOGGER.error("GET /policytypes/onap.policies.controlloop.Operational/versions/1.0.0/"
                 + "policies/{}/versions/{}", policyId, policyVersion, pfme);
-            return addLoggingHeaders(addVersionControlHeaders(
-                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)
-                    .entity(pfme.getErrorResponse()).build();
+            return makeErrorResponse(requestId, pfme);
+        }
+    }
+
+    /**
+     * Retrieves deployed versions of a particular operational policy in PDP groups.
+     *
+     * @param policyId the ID of specified policy
+     *
+     * @return the Response object containing the results of the API operation
+     */
+    @GET
+    @Path("/policytypes/onap.policies.controlloop.Operational/versions/1.0.0/"
+         + "policies/{policyId}/versions/deployed")
+    @ApiOperation(value = "Retrieve deployed versions of a particular operational policy in pdp groups",
+            notes = "Returns deployed versions of a specified operational policy in pdp groups",
+            response = LegacyOperationalPolicy.class, responseContainer = "List",
+            responseHeaders = {
+                    @ResponseHeader(name = "X-MinorVersion",
+                                    description = "Used to request or communicate a MINOR version back from the client"
+                                                + " to the server, and from the server back to the client",
+                                    response = String.class),
+                    @ResponseHeader(name = "X-PatchVersion",
+                                    description = "Used only to communicate a PATCH version in a response for"
+                                                + " troubleshooting purposes only, and will not be provided by"
+                                                + " the client on request",
+                                    response = String.class),
+                    @ResponseHeader(name = "X-LatestVersion",
+                                    description = "Used only to communicate an API's latest version",
+                                    response = String.class),
+                    @ResponseHeader(name = "X-ONAP-RequestID",
+                                    description = "Used to track REST transactions for logging purpose",
+                                    response = UUID.class)
+            },
+            authorizations = @Authorization(value = "basicAuth"),
+            tags = { "Legacy Operational Policy", },
+            extensions = {
+                    @Extension(name = "interface info", properties = {
+                            @ExtensionProperty(name = "api-version", value = "1.0.0"),
+                            @ExtensionProperty(name = "last-mod-release", value = "Dublin")
+                    })
+            })
+    @ApiResponses(value = {
+            @ApiResponse(code = 401, message = "Authentication Error"),
+            @ApiResponse(code = 403, message = "Authorization Error"),
+            @ApiResponse(code = 404, message = "Resource Not Found"),
+            @ApiResponse(code = 500, message = "Internal Server Error")
+        })
+    public Response getDeployedVersionsOfOperationalPolicy(
+            @PathParam("policyId") @ApiParam(value = "ID of policy", required = true) String policyId,
+            @HeaderParam("X-ONAP-RequestID") @ApiParam("RequestID for http transaction") UUID requestId) {
+
+        try (LegacyOperationalPolicyProvider operationalPolicyProvider = new LegacyOperationalPolicyProvider()) {
+            Map<Pair<String, String>, List<LegacyOperationalPolicy>> deployedOperationalPolicies =
+                    operationalPolicyProvider.fetchDeployedOperationalPolicies(policyId);
+            return makeOkResponse(requestId, deployedOperationalPolicies);
+        } catch (PfModelException | PfModelRuntimeException pfme) {
+            LOGGER.error("GET /policytypes/onap.policies.controlloop.Operational/versions/1.0.0/"
+                + "policies/{}/versions/deployed", policyId, pfme);
+            return makeErrorResponse(requestId, pfme);
         }
     }
 
@@ -502,13 +598,10 @@ public class LegacyApiRestController {
 
         try (LegacyOperationalPolicyProvider operationalPolicyProvider = new LegacyOperationalPolicyProvider()) {
             LegacyOperationalPolicy policy = operationalPolicyProvider.createOperationalPolicy(body);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(policy).build();
+            return makeOkResponse(requestId, policy);
         } catch (PfModelException | PfModelRuntimeException pfme) {
             LOGGER.error("POST /policytypes/onap.policies.controlloop.Operational/versions/1.0.0/policies", pfme);
-            return addLoggingHeaders(addVersionControlHeaders(
-                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)
-                    .entity(pfme.getErrorResponse()).build();
+            return makeErrorResponse(requestId, pfme);
         }
     }
 
@@ -566,46 +659,11 @@ public class LegacyApiRestController {
         try (LegacyOperationalPolicyProvider operationalPolicyProvider = new LegacyOperationalPolicyProvider()) {
             LegacyOperationalPolicy policy = operationalPolicyProvider
                     .deleteOperationalPolicy(policyId, policyVersion);
-            return addLoggingHeaders(addVersionControlHeaders(Response.status(Response.Status.OK)), requestId)
-                    .entity(policy).build();
+            return makeOkResponse(requestId, policy);
         } catch (PfModelException | PfModelRuntimeException pfme) {
             LOGGER.error("DELETE /policytypes/onap.policies.controlloop.Operational/versions/1.0.0/"
                 + "policies/{}/versions/{}", policyId, policyVersion, pfme);
-            return addLoggingHeaders(addVersionControlHeaders(
-                    Response.status(pfme.getErrorResponse().getResponseCode())), requestId)
-                    .entity(pfme.getErrorResponse()).build();
-        }
-    }
-
-    private ResponseBuilder addVersionControlHeaders(ResponseBuilder rb) {
-        return rb.header("X-MinorVersion", "0").header("X-PatchVersion", "0").header("X-LatestVersion", "1.0.0");
-    }
-
-    private ResponseBuilder addLoggingHeaders(ResponseBuilder rb, UUID requestId) {
-        if (requestId == null) {
-            // Generate a random uuid if client does not embed requestId in rest request
-            return rb.header("X-ONAP-RequestID", UUID.randomUUID());
-        }
-        return rb.header("X-ONAP-RequestID", requestId);
-    }
-
-    /**
-     * Converts an object to a JSON string.
-     *
-     * @param object object to convert
-     * @return a JSON string representing the object
-     */
-    private String toJson(Object object) {
-        if (object == null) {
-            return null;
-        }
-
-        try {
-            return coder.encode(object);
-
-        } catch (CoderException e) {
-            LOGGER.warn("cannot convert {} to JSON", object.getClass().getName(), e);
-            return null;
+            return makeErrorResponse(requestId, pfme);
         }
     }
 }
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