Decouple config and netconf subsystems.
[controller.git] / opendaylight / netconf / config-netconf-connector / src / main / java / org / opendaylight / controller / netconf / confignetconfconnector / operations / Validate.java
index 017b5e6c39a3f1dfa0865ca07b5e75a71e67183a..38918b18cadb78253ca80ff32a28bf8f0ca36f38 100644 (file)
@@ -8,39 +8,35 @@
 
 package org.opendaylight.controller.netconf.confignetconfconnector.operations;
 
-import com.google.common.base.Preconditions;
+import com.google.common.base.Optional;
+import java.util.HashMap;
+import java.util.Map;
 import org.opendaylight.controller.config.api.ValidationException;
-import org.opendaylight.controller.config.util.ConfigRegistryClient;
-import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
-import org.opendaylight.controller.netconf.api.NetconfDocumentedException.ErrorSeverity;
-import org.opendaylight.controller.netconf.api.NetconfDocumentedException.ErrorTag;
-import org.opendaylight.controller.netconf.api.NetconfDocumentedException.ErrorType;
-import org.opendaylight.controller.netconf.confignetconfconnector.transactions.TransactionProvider;
-import org.opendaylight.controller.netconf.util.xml.XmlElement;
-import org.opendaylight.controller.netconf.util.xml.XmlNetconfConstants;
+import org.opendaylight.controller.config.facade.xml.ConfigSubsystemFacade;
+import org.opendaylight.controller.config.facade.xml.Datastore;
+import org.opendaylight.controller.config.util.xml.DocumentedException;
+import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorSeverity;
+import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorTag;
+import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorType;
+import org.opendaylight.controller.config.util.xml.XmlElement;
+import org.opendaylight.controller.config.util.xml.XmlUtil;
+import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 
-import java.util.HashMap;
-import java.util.Map;
-
 public class Validate extends AbstractConfigNetconfOperation {
 
     public static final String VALIDATE = "validate";
 
-    private static final Logger logger = LoggerFactory.getLogger(Validate.class);
-
-    private final TransactionProvider transactionProvider;
+    private static final Logger LOG = LoggerFactory.getLogger(Validate.class);
 
-    public Validate(final TransactionProvider transactionProvider, ConfigRegistryClient configRegistryClient,
-            String netconfSessionIdForReporting) {
-        super(configRegistryClient, netconfSessionIdForReporting);
-        this.transactionProvider = transactionProvider;
+    public Validate(final ConfigSubsystemFacade configSubsystemFacade, final String netconfSessionIdForReporting) {
+        super(configSubsystemFacade, netconfSessionIdForReporting);
     }
 
-    private void checkXml(XmlElement xml) {
+    private void checkXml(XmlElement xml) throws DocumentedException {
         xml.checkName(VALIDATE);
         xml.checkNamespace(XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0);
 
@@ -52,8 +48,10 @@ public class Validate extends AbstractConfigNetconfOperation {
         String datastoreValue = sourceChildNode.getName();
         Datastore sourceDatastore = Datastore.valueOf(datastoreValue);
 
-        Preconditions.checkState(sourceDatastore == Datastore.candidate, "Only " + Datastore.candidate
-                + " is supported as source for " + VALIDATE + " but was " + datastoreValue);
+        if (sourceDatastore != Datastore.candidate){
+            throw new DocumentedException( "Only " + Datastore.candidate
+                    + " is supported as source for " + VALIDATE + " but was " + datastoreValue, ErrorType.application, ErrorTag.data_missing, ErrorSeverity.error);
+        }
     }
 
     @Override
@@ -62,43 +60,26 @@ public class Validate extends AbstractConfigNetconfOperation {
     }
 
     @Override
-    protected Element handle(Document document, XmlElement xml) throws NetconfDocumentedException {
-        try {
-            checkXml(xml);
-        } catch (IllegalStateException e) {
-            //FIXME where can IllegalStateException  be thrown? I see precondition that guards for programming bugs..
-            logger.warn("Rpc error: {}", ErrorTag.missing_attribute, e);
-            final Map<String, String> errorInfo = new HashMap<>();
-            errorInfo.put(ErrorTag.missing_attribute.name(), "Missing value of datastore attribute");
-            throw new NetconfDocumentedException(e.getMessage(), e, ErrorType.rpc, ErrorTag.missing_attribute,
-                    ErrorSeverity.error, errorInfo);
-        } catch (final IllegalArgumentException e) {
-            // FIXME use checked exception if it has domain meaning
-            logger.warn("Rpc error: {}", ErrorTag.bad_attribute, e);
-            final Map<String, String> errorInfo = new HashMap<>();
-            errorInfo.put(ErrorTag.bad_attribute.name(), e.getMessage());
-            throw new NetconfDocumentedException(e.getMessage(), e, ErrorType.rpc, ErrorTag.bad_attribute,
-                    ErrorSeverity.error, errorInfo);
-        }
-
+    protected Element handleWithNoSubsequentOperations(Document document, XmlElement xml) throws DocumentedException {
+        checkXml(xml);
         try {
-            transactionProvider.validateTransaction();
+            getConfigSubsystemFacade().validateConfiguration();
         } catch (ValidationException e) {
-            logger.warn("Validation failed", e);
-            throw NetconfDocumentedException.wrap(e);
+            LOG.warn("Validation failed", e);
+            throw DocumentedException.wrap(e);
         } catch (IllegalStateException e) {
-            logger.warn("Validation failed", e);
+            LOG.warn("Validation failed", e);
             final Map<String, String> errorInfo = new HashMap<>();
             errorInfo
                     .put(ErrorTag.operation_failed.name(),
                             "Datastore is not present. Use 'get-config' or 'edit-config' before triggering 'operations' operation");
-            throw new NetconfDocumentedException(e.getMessage(), e, ErrorType.application, ErrorTag.operation_failed,
+            throw new DocumentedException(e.getMessage(), e, ErrorType.application, ErrorTag.operation_failed,
                     ErrorSeverity.error, errorInfo);
 
         }
 
-        logger.trace("Datastore {} validated successfully", Datastore.candidate);
+        LOG.trace("Datastore {} validated successfully", Datastore.candidate);
 
-        return document.createElement(XmlNetconfConstants.OK);
+        return XmlUtil.createElement(document, XmlNetconfConstants.OK, Optional.<String>absent());
     }
 }