Added response data to operational datastore, refactored data validation

[packetcable.git] / packetcable-policy-server / src / main / java / org / opendaylight / controller / packetcable / provider / validation / impl / ValidatorProviderImpl.java

diff --git a/packetcable-policy-server/src/main/java/org/opendaylight/controller/packetcable/provider/validation/impl/ValidatorProviderImpl.java b/packetcable-policy-server/src/main/java/org/opendaylight/controller/packetcable/provider/validation/impl/ValidatorProviderImpl.java
new file mode 100644 (file)
index 0000000..c1c8f57
--- /dev/null
+++ b/packetcable-policy-server/src/main/java/org/opendaylight/controller/packetcable/provider/validation/impl/ValidatorProviderImpl.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2015 CableLabs and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.packetcable.provider.validation.impl;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.collect.Maps;
+import java.util.Map;
+import java.util.NoSuchElementException;
+import javax.annotation.Nonnull;
+import org.opendaylight.controller.packetcable.provider.validation.ValidationException;
+import org.opendaylight.controller.packetcable.provider.validation.Validator;
+import org.opendaylight.controller.packetcable.provider.validation.ValidatorProvider;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+
+
+/**
+ * {@inheritDoc}
+ *
+ * @author rvail
+ */
+public class ValidatorProviderImpl implements ValidatorProvider {
+
+    private final Map<Class<? extends DataObject>, Validator<? extends DataObject>> validatorMap;
+
+    public ValidatorProviderImpl() {
+        this.validatorMap = Maps.newHashMap();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public <T extends DataObject> void put(@Nonnull final Class<T> tClass, @Nonnull final Validator<T> validator) {
+        checkNotNull(tClass);
+        checkNotNull(validator);
+        validatorMap.put(tClass, validator);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public <T extends DataObject> void validate(@Nonnull final Class<T> tClass, @Nonnull final DataObject data,
+            @Nonnull final Validator.Extent extent) throws ValidationException {
+        if (!tClass.isAssignableFrom(data.getClass())) {
+            throw new IllegalArgumentException(
+                    String.format("data must be the same type as tClass, got=%s : expected=%s",
+                            data.getImplementedInterface(), tClass));
+        }
+        // We are checking the type of data above
+        @SuppressWarnings("unchecked") T tData = (T) data;
+        validatorFor(tClass).validate(tData, extent);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public <T extends DataObject> Validator<T> validatorFor(@Nonnull final Class<T> tClass) {
+        checkNotNull(tClass);
+        if (validatorMap.containsKey(tClass)) {
+            // validation is done via the put method all key/value pairs are for the same type T
+            @SuppressWarnings("unchecked") Validator<T> result = (Validator<T>) validatorMap.get(tClass);
+            return result;
+        }
+        throw new NoSuchElementException("Entry not found for key: " + tClass);
+    }
+
+
+}