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

Change-Id: Ic1905f2121c5c2ab66259f7f531c1e36fe58e9d4
diff --git a/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/AsNumber.java b/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/AsNumber.java
index 3159b20..34b04c2 100644
--- a/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/AsNumber.java
+++ b/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/AsNumber.java
@@ -1,70 +1,70 @@
-/*

- * 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.iptopology.api;

-

-import static com.google.common.base.MoreObjects.toStringHelper;

-

-import java.util.Objects;

-

-/**

- * Autonomous system Number class (32 Bit ASNumber).

- */

-public class AsNumber {

-    private final int asNum;

-

-    /**

-     * Constructor to set As number.

-     *

-     * @param asNum As number

-     */

-    public AsNumber(int asNum) {

-        this.asNum = asNum;

-    }

-

-    /**

-     * Obtain autonomous system number.

-     *

-     * @return autonomous system number

-     */

-    public int asNum() {

-        return asNum;

-    }

-

-    @Override

-    public int hashCode() {

-        return Objects.hash(asNum);

-    }

-

-    @Override

-    public boolean equals(Object obj) {

-        if (this == obj) {

-            return true;

-        }

-

-        if (obj instanceof AsNumber) {

-            AsNumber other = (AsNumber) obj;

-            return Objects.equals(asNum, other.asNum);

-        }

-        return false;

-    }

-

-    @Override

-    public String toString() {

-        return toStringHelper(this)

-                .add("asNum", asNum)

-                .toString();

-    }

+/*
+ * 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.iptopology.api;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+import java.util.Objects;
+
+/**
+ * Autonomous system Number class (32 Bit ASNumber).
+ */
+public class AsNumber {
+    private final int asNum;
+
+    /**
+     * Constructor to set As number.
+     *
+     * @param asNum As number
+     */
+    public AsNumber(int asNum) {
+        this.asNum = asNum;
+    }
+
+    /**
+     * Obtain autonomous system number.
+     *
+     * @return autonomous system number
+     */
+    public int asNum() {
+        return asNum;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(asNum);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+
+        if (obj instanceof AsNumber) {
+            AsNumber other = (AsNumber) obj;
+            return Objects.equals(asNum, other.asNum);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this)
+                .add("asNum", asNum)
+                .toString();
+    }
 }
\ No newline at end of file