Fix files with windows line endings + Add checkstyle rule to catch this issue

Change-Id: Ic1905f2121c5c2ab66259f7f531c1e36fe58e9d4
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BgpFactories.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BgpFactories.java
index eb18c7d..32f5c48 100755
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BgpFactories.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/BgpFactories.java
@@ -1,82 +1,82 @@
-/*

- * 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.bgpio.protocol;

-

-import org.jboss.netty.buffer.ChannelBuffer;

-import org.onosproject.bgpio.exceptions.BgpParseException;

-import org.onosproject.bgpio.protocol.ver4.BgpFactoryVer4;

-import org.onosproject.bgpio.types.BgpHeader;

-import org.slf4j.Logger;

-import org.slf4j.LoggerFactory;

-

-/**

- * Abstraction to provide the version for BGP.

- */

-public final class BgpFactories {

-

-    protected static final Logger log = LoggerFactory.getLogger(BgpFactories.class);

-

-    private static final GenericReader GENERIC_READER = new GenericReader();

-

-    private BgpFactories() {

-    }

-

-    /**

-     * Returns the instance of BGP Version.

-     *

-     * @param version BGP version

-     * @return BGP version

-     */

-    public static BgpFactory getFactory(BgpVersion version) {

-        switch (version) {

-        case BGP_4:

-            return BgpFactoryVer4.INSTANCE;

-        default:

-            throw new IllegalArgumentException("[BgpFactory:]Unknown version: " + version);

-        }

-    }

-

-    /**

-     * Reader class for reading BGP messages from channel buffer.

-     *

-     */

-    private static class GenericReader implements BgpMessageReader<BgpMessage> {

-

-        @Override

-        public BgpMessage readFrom(ChannelBuffer bb, BgpHeader bgpHeader)

-                throws BgpParseException {

-            BgpFactory factory;

-

-            if (!bb.readable()) {

-                log.error("Empty message received");

-                throw new BgpParseException("Empty message received");

-            }

-            // TODO: Currently only BGP version 4 is supported

-            factory = org.onosproject.bgpio.protocol.ver4.BgpFactoryVer4.INSTANCE;

-            return factory.getReader().readFrom(bb, bgpHeader);

-        }

-    }

-

-    /**

-     * Returns BGP messsage generic reader.

-     *

-     * @return bgp message generic reader

-     */

-    public static BgpMessageReader<BgpMessage> getGenericReader() {

-        return GENERIC_READER;

-    }

-}

+/*
+ * 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.bgpio.protocol;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.onosproject.bgpio.exceptions.BgpParseException;
+import org.onosproject.bgpio.protocol.ver4.BgpFactoryVer4;
+import org.onosproject.bgpio.types.BgpHeader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Abstraction to provide the version for BGP.
+ */
+public final class BgpFactories {
+
+    protected static final Logger log = LoggerFactory.getLogger(BgpFactories.class);
+
+    private static final GenericReader GENERIC_READER = new GenericReader();
+
+    private BgpFactories() {
+    }
+
+    /**
+     * Returns the instance of BGP Version.
+     *
+     * @param version BGP version
+     * @return BGP version
+     */
+    public static BgpFactory getFactory(BgpVersion version) {
+        switch (version) {
+        case BGP_4:
+            return BgpFactoryVer4.INSTANCE;
+        default:
+            throw new IllegalArgumentException("[BgpFactory:]Unknown version: " + version);
+        }
+    }
+
+    /**
+     * Reader class for reading BGP messages from channel buffer.
+     *
+     */
+    private static class GenericReader implements BgpMessageReader<BgpMessage> {
+
+        @Override
+        public BgpMessage readFrom(ChannelBuffer bb, BgpHeader bgpHeader)
+                throws BgpParseException {
+            BgpFactory factory;
+
+            if (!bb.readable()) {
+                log.error("Empty message received");
+                throw new BgpParseException("Empty message received");
+            }
+            // TODO: Currently only BGP version 4 is supported
+            factory = org.onosproject.bgpio.protocol.ver4.BgpFactoryVer4.INSTANCE;
+            return factory.getReader().readFrom(bb, bgpHeader);
+        }
+    }
+
+    /**
+     * Returns BGP messsage generic reader.
+     *
+     * @return bgp message generic reader
+     */
+    public static BgpMessageReader<BgpMessage> getGenericReader() {
+        return GENERIC_READER;
+    }
+}