X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=datarouter-node%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fnode%2FSubnetMatcher.java;fp=datarouter-node%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fnode%2FSubnetMatcher.java;h=0000000000000000000000000000000000000000;hb=63b13a0cddf45b4cfd1691dd5b95a205af355898;hp=2f51012005078a1999de26cd50ef5ad790e24e8b;hpb=bda6aeaa60607ab4fe5af508156019d7bd5c0ce4;p=dmaap%2Fdatarouter.git diff --git a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/SubnetMatcher.java b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/SubnetMatcher.java deleted file mode 100644 index 2f510120..00000000 --- a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/SubnetMatcher.java +++ /dev/null @@ -1,74 +0,0 @@ -/******************************************************************************* - * ============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 index = subnet.lastIndexOf('/'); - if (index == -1) { - sn = NodeUtils.getInetAddress(subnet); - len = sn.length; - } else { - len = Integer.parseInt(subnet.substring(index + 1)); - sn = NodeUtils.getInetAddress(subnet.substring(0, index)); - 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); - } -}