Extract a method to create a list of FlowRuleBatchOperation

- Define FlowRuleBatchOperationConvertionException, which is a
  new IntentException sub-class

Change-Id: I798303fa986f573c885b8712ac1dfee1bcaadf95
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/FlowRuleBatchOperationConvertionException.java b/core/net/src/main/java/org/onosproject/net/intent/impl/FlowRuleBatchOperationConvertionException.java
new file mode 100644
index 0000000..e31f617
--- /dev/null
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/FlowRuleBatchOperationConvertionException.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.net.intent.impl;
+
+import com.google.common.collect.ImmutableList;
+import org.onosproject.net.flow.FlowRuleBatchOperation;
+import org.onosproject.net.intent.IntentException;
+
+import java.util.List;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+// TODO: Reconsider error handling and intent exception design. Otherwise, write Javadoc.
+public class FlowRuleBatchOperationConvertionException extends IntentException {
+
+    private final List<FlowRuleBatchOperation> converted;
+
+    public FlowRuleBatchOperationConvertionException(List<FlowRuleBatchOperation> converted, Throwable cause) {
+        super("exception occurred during IntentInstaller.install()", cause);
+        this.converted = ImmutableList.copyOf((checkNotNull(converted)));
+    }
+
+    public List<FlowRuleBatchOperation> converted() {
+        return converted;
+    }
+}