-/*******************************************************************************\r
- * ============LICENSE_START==================================================\r
- * * org.onap.dmaap\r
- * * ===========================================================================\r
- * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
- * * ===========================================================================\r
- * * Licensed under the Apache License, Version 2.0 (the "License");\r
- * * you may not use this file except in compliance with the License.\r
- * * You may obtain a copy of the License at\r
- * * \r
- * * http://www.apache.org/licenses/LICENSE-2.0\r
- * * \r
- * * Unless required by applicable law or agreed to in writing, software\r
- * * distributed under the License is distributed on an "AS IS" BASIS,\r
- * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * * See the License for the specific language governing permissions and\r
- * * limitations under the License.\r
- * * ============LICENSE_END====================================================\r
- * *\r
- * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
- * *\r
- ******************************************************************************/\r
-\r
-\r
-package org.onap.dmaap.datarouter.node;\r
-\r
-import java.net.*;\r
-\r
-/**\r
- * Compare IP addresses as byte arrays to a subnet specified as a CIDR\r
- */\r
-public class SubnetMatcher {\r
- private byte[] sn;\r
- private int len;\r
- private int mask;\r
- /**\r
- * Construct a subnet matcher given a CIDR\r
- * @param subnet The CIDR to match\r
- */\r
- public SubnetMatcher(String subnet) {\r
- int i = subnet.lastIndexOf('/');\r
- if (i == -1) {\r
- sn = NodeUtils.getInetAddress(subnet);\r
- len = sn.length;\r
- } else {\r
- len = Integer.parseInt(subnet.substring(i + 1));\r
- sn = NodeUtils.getInetAddress(subnet.substring(0, i));\r
- mask = ((0xff00) >> (len % 8)) & 0xff;\r
- len /= 8;\r
- }\r
- }\r
- /**\r
- * Is the IP address in the CIDR?\r
- * @param addr the IP address as bytes in network byte order\r
- * @return true if the IP address matches.\r
- */\r
- public boolean matches(byte[] addr) {\r
- if (addr.length != sn.length) {\r
- return(false);\r
- }\r
- for (int i = 0; i < len; i++) {\r
- if (addr[i] != sn[i]) {\r
- return(false);\r
- }\r
- }\r
- if (mask != 0 && ((addr[len] ^ sn[len]) & mask) != 0) {\r
- return(false);\r
- }\r
- return(true);\r
- }\r
-}\r
+/*******************************************************************************
+ * ============LICENSE_START==================================================
+ * * org.onap.dmaap
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * 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.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+
+
+package org.onap.dmaap.datarouter.node;
+
+/**
+ * Compare IP addresses as byte arrays to a subnet specified as a CIDR
+ */
+public class SubnetMatcher {
+
+ private byte[] sn;
+ private int len;
+ private int mask;
+
+ /**
+ * Construct a subnet matcher given a CIDR
+ *
+ * @param subnet The CIDR to match
+ */
+ public SubnetMatcher(String subnet) {
+ int i = subnet.lastIndexOf('/');
+ if (i == -1) {
+ sn = NodeUtils.getInetAddress(subnet);
+ len = sn.length;
+ } else {
+ len = Integer.parseInt(subnet.substring(i + 1));
+ sn = NodeUtils.getInetAddress(subnet.substring(0, i));
+ mask = ((0xff00) >> (len % 8)) & 0xff;
+ len /= 8;
+ }
+ }
+
+ /**
+ * Is the IP address in the CIDR?
+ *
+ * @param addr the IP address as bytes in network byte order
+ * @return true if the IP address matches.
+ */
+ public boolean matches(byte[] addr) {
+ if (addr.length != sn.length) {
+ return (false);
+ }
+ for (int i = 0; i < len; i++) {
+ if (addr[i] != sn[i]) {
+ return (false);
+ }
+ }
+ if (mask != 0 && ((addr[len] ^ sn[len]) & mask) != 0) {
+ return (false);
+ }
+ return (true);
+ }
+}