Rename package because exception fits Java's convention more

Change-Id: I43dd23f6cac6bffda159e783164059f2447aa7ff
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/AbnormalJsonNodeException.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/AbnormalJsonNodeException.java
new file mode 100644
index 0000000..d6c3357
--- /dev/null
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/AbnormalJsonNodeException.java
@@ -0,0 +1,41 @@
+/*
+ * 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.ovsdb.rfc.exception;
+
+/**
+ * AbnormalJsonNodeException exception is thrown when the received JsonNode is invalid.
+ */
+public class AbnormalJsonNodeException extends RuntimeException {
+    private static final long serialVersionUID = 8328377718334680368L;
+
+    /**
+     * Constructs a AbnormalJsonNodeException object.
+     * @param message error message
+     */
+    public AbnormalJsonNodeException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a AbnormalJsonNodeException object.
+     * @param message error message
+     * @param cause Throwable
+     */
+    public AbnormalJsonNodeException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/ColumnSchemaNotFoundException.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/ColumnSchemaNotFoundException.java
new file mode 100644
index 0000000..6fa0580
--- /dev/null
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/ColumnSchemaNotFoundException.java
@@ -0,0 +1,55 @@
+/*
+ * 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.ovsdb.rfc.exception;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+/**
+ * This exception is thrown when a ColumnSchema cannot be found.
+ */
+public class ColumnSchemaNotFoundException extends RuntimeException {
+    private static final long serialVersionUID = -4325190659387339524L;
+
+    /**
+     * Constructs a ColumnSchemaNotFoundException object.
+     * @param message error message
+     */
+    public ColumnSchemaNotFoundException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a ColumnSchemaNotFoundException object.
+     * @param message error message
+     * @param cause Throwable
+     */
+    public ColumnSchemaNotFoundException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Create error message.
+     * @param columnName column name
+     * @param tableName table name
+     * @return message
+     */
+    public static String createMessage(String columnName, String tableName) {
+        String message = toStringHelper("ColumnSchemaNotFoundException")
+                .addValue("Could not find ColumnSchema for " + columnName
+                                  + " in " + tableName).toString();
+        return message;
+    }
+}
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/TableSchemaNotFoundException.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/TableSchemaNotFoundException.java
new file mode 100644
index 0000000..423cabb
--- /dev/null
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/TableSchemaNotFoundException.java
@@ -0,0 +1,56 @@
+/*
+ * 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.ovsdb.rfc.exception;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+/**
+ * This exception is thrown when a TableSchema cannot be found.
+ */
+public class TableSchemaNotFoundException extends RuntimeException {
+    private static final long serialVersionUID = 8431894450061740838L;
+
+    /**
+     * Constructs a TableSchemaNotFoundException object.
+     * @param message error message
+     */
+    public TableSchemaNotFoundException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a TableSchemaNotFoundException object.
+     * @param message error message
+     * @param cause Throwable
+     */
+    public TableSchemaNotFoundException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Create error message.
+     * @param tableName table name
+     * @param schemaName database name
+     * @return message
+     */
+    public static String createMessage(String tableName, String schemaName) {
+        String message = toStringHelper("TableSchemaNotFoundException")
+                .addValue("Can not find TableSchema for " + tableName + " in "
+                        + schemaName).toString();
+        return message;
+    }
+
+}
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/UnsupportedException.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/UnsupportedException.java
new file mode 100644
index 0000000..2c44ad3
--- /dev/null
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/UnsupportedException.java
@@ -0,0 +1,41 @@
+/*
+ * 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.ovsdb.rfc.exception;
+
+/**
+ * This exception is thrown when the caller invoke the unsupported method or
+ * use the encoding is not supported.
+ */
+public class UnsupportedException extends RuntimeException {
+    private static final long serialVersionUID = 1377011546616825375L;
+
+    /**
+     * Constructs a UnsupportedException object.
+     * @param message error message
+     */
+    public UnsupportedException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a UnsupportedException object.
+     * @param message error message
+     * @param cause Throwable
+     */
+    public UnsupportedException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/VersionMismatchException.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/VersionMismatchException.java
new file mode 100644
index 0000000..ad54938
--- /dev/null
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/exception/VersionMismatchException.java
@@ -0,0 +1,66 @@
+/*
+ * 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.ovsdb.rfc.exception;
+
+
+/**
+ * This exception is used when the a table or row is accessed though a typed
+ * interface and the version requirements are not met.
+ */
+public class VersionMismatchException extends RuntimeException {
+    private static final long serialVersionUID = -8439624321110133595L;
+
+    /**
+     * Constructs a VersionMismatchException object.
+     * @param message error message
+     */
+    public VersionMismatchException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a VersionMismatchException object.
+     * @param message error message
+     * @param cause Throwable
+     */
+    public VersionMismatchException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Create error message.
+     * @param actualVersion the actual version
+     * @param fromVersion the initial version
+     * @return message
+     */
+    public static String createFromMessage(String actualVersion, String fromVersion) {
+        String message = "The fromVersion should less than the actualVersion.\n fromVersion: "
+                + fromVersion + ".\n" + "actualVersion: " + actualVersion;
+        return message;
+    }
+
+    /**
+     * Create error message.
+     * @param actualVersion the actual version
+     * @param toVersion the end version
+     * @return message
+     */
+    public static String createToMessage(String actualVersion, String toVersion) {
+        String message = "The toVersion should greater than the actualVersion.\n"
+                + "toVersion: " + toVersion + ".\n" + " actualVersion: " + actualVersion;
+        return message;
+    }
+}