From 62c4eb45e157d502463d797c1353802ca8e1e307 Mon Sep 17 00:00:00 2001
From: sg481n <sg481n@att.com>
Date: Fri, 25 Aug 2017 01:57:24 -0400
Subject: Update project structure for aaf/cadi

Update project structure from com.att to org.onap
and add distribution management and staging plugin.

Issue-id: AAF-22
Change-Id: Idf2b591139e38921ad28782a51486714a05dee92
Signed-off-by: sg481n <sg481n@att.com>
---
 .../main/java/org/onap/aaf/cadi/util/NetMask.java  | 100 +++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 core/src/main/java/org/onap/aaf/cadi/util/NetMask.java

(limited to 'core/src/main/java/org/onap/aaf/cadi/util/NetMask.java')

diff --git a/core/src/main/java/org/onap/aaf/cadi/util/NetMask.java b/core/src/main/java/org/onap/aaf/cadi/util/NetMask.java
new file mode 100644
index 0000000..b19f150
--- /dev/null
+++ b/core/src/main/java/org/onap/aaf/cadi/util/NetMask.java
@@ -0,0 +1,100 @@
+/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aaf
+ * * ===========================================================================
+ * * 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.aaf.cadi.util;
+
+/* 
+ * NetMask - a class to quickly validate whether a given IP is part of a mask, as defined by bytes or standard String format.
+ * 
+ * Needs the IPV6 Mask Builder. 
+ */
+public class NetMask {
+	private long mask;
+
+	public NetMask(byte[] inBytes) {
+		mask = derive(inBytes);
+	}
+	
+	public NetMask(String string) throws MaskFormatException {
+		mask = derive(string,true);
+	}
+	
+	public boolean isInNet(byte[] inBytes) {
+		long addr = derive(inBytes);
+		return (mask & addr) == addr;
+	}
+	
+	public boolean isInNet(String str) {
+		long addr;
+		try {
+			addr = derive(str,false);
+			return (mask & addr) == addr;
+		} catch (MaskFormatException e) {
+			// will not hit this code;
+			return false;
+		}
+	}
+
+	public static long derive(byte[] inBytes) {
+		long addr = 0L;
+		int offset = inBytes.length*8;
+		for(int i=0;i<inBytes.length;++i) {
+			addr&=(inBytes[i]<<offset);
+			offset-=8;
+		}
+		return addr;
+	}
+
+	public static long derive(String str, boolean check) throws MaskFormatException {
+		long rv=0L;
+		int idx=str.indexOf(':');
+		int slash = str.indexOf('/');
+
+		if(idx<0) { // Not IPV6, so it's IPV4... Is there a mask of 123/254?
+			idx=str.indexOf('.');
+			int offset = 24;
+			int end = slash>=0?slash:str.length();
+			int bits = slash>=0?Integer.parseInt(str.substring(slash+1)):32;
+			if(check && bits>32) {
+				throw new MaskFormatException("Invalid Mask Offset in IPV4 Address");
+			}
+			int prev = 0;
+			long lbyte;
+			while(prev<end) {
+				if(idx<0) {
+					idx = end;
+				}
+				lbyte = Long.parseLong(str.substring(prev, idx));
+				if(check && (lbyte>255 || lbyte<0)) {
+					throw new MaskFormatException("Invalid Byte in IPV4 Address");
+				}
+				rv|=lbyte<<offset;
+				prev = ++idx;
+				idx=str.indexOf('.',prev);
+				offset-=8;
+			}
+			rv|=0x00000000FFFFFFFFL>>bits;
+		}
+		return rv;
+	}
+
+}
-- 
cgit 1.2.3-korg