From 4a51a8f96715ffb2a42189b93b9fa91b453b8530 Mon Sep 17 00:00:00 2001
From: sg481n <sg481n@att.com>
Date: Thu, 3 Aug 2017 17:39:12 -0400
Subject:  [AAF-21] Initial code import
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Change-Id: Ia1dd196befd061f6ba0c2be6bf4456a30ea50f97
Signed-off-by: sg481n <sg481n@att.com>
---
 core/src/main/java/com/att/cadi/lur/EpiLur.java | 168 ++++++++++++++++++++++++
 1 file changed, 168 insertions(+)
 create mode 100644 core/src/main/java/com/att/cadi/lur/EpiLur.java

(limited to 'core/src/main/java/com/att/cadi/lur/EpiLur.java')

diff --git a/core/src/main/java/com/att/cadi/lur/EpiLur.java b/core/src/main/java/com/att/cadi/lur/EpiLur.java
new file mode 100644
index 0000000..de6c057
--- /dev/null
+++ b/core/src/main/java/com/att/cadi/lur/EpiLur.java
@@ -0,0 +1,168 @@
+/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aai
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * Copyright © 2017 Amdocs
+ * * ===========================================================================
+ * * 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 com.att.cadi.lur;
+
+import java.security.Principal;
+import java.util.List;
+
+import com.att.cadi.CachingLur;
+import com.att.cadi.CadiException;
+import com.att.cadi.CredVal;
+import com.att.cadi.Lur;
+import com.att.cadi.Permission;
+
+/**
+ * EpiLUR
+ * 
+ * Short for "Epic LUR". Be able to run through a series of LURs to obtain the validation needed.
+ * 
+ * The pun is better for the other pattern... "TAF" (aka EpiTaf), but it's still the larger picture of 
+ * LURs that will be accomplished.
+ * 
+ * FYI, the reason we separate LURs, rather than combine, is that Various User Repository Resources have
+ * different Caching requirements.  For instance, the Local User Repo (with stand alone names), never expire, but might be
+ * refreshed with a change in Configuration File, while the Remote Service based LURs will need to expire at prescribed intervals 
+ * 
+ *
+ */
+public final class EpiLur implements Lur {
+	private final Lur[] lurs;
+	
+	/**
+	 * EpiLur constructor
+	 * 
+	 * Construct the EpiLur from variable TAF parameters
+	 * @param lurs
+	 * @throws CadiException
+	 */
+	public EpiLur(Lur ... lurs) throws CadiException{
+		this.lurs = lurs;
+		if(lurs.length==0) throw new CadiException("Need at least one Lur implementation in constructor");
+	}
+
+	public boolean fish(Principal bait, Permission pond) {
+		if(pond==null) {
+			return false;
+		}
+		boolean rv = false;
+		Lur lur;
+		for(int i=0;!rv && i<lurs.length;++i) {
+			rv = (lur = lurs[i]).fish(bait, pond);
+			if(!rv && lur.handlesExclusively(pond)) break;
+		}
+		return rv;
+	}
+
+	public void fishAll(Principal bait, List<Permission> permissions) {
+		for(Lur lur : lurs) {
+			lur.fishAll(bait, permissions);
+		}
+	}
+
+	public void destroy() {
+		for(Lur lur : lurs) {
+			lur.destroy();
+		}
+	}
+
+	/**
+	 * Return the first Lur (if any) which also implements UserPass 
+	 * @return
+	 */
+	public CredVal getUserPassImpl() {
+		for(Lur lur : lurs) {
+			if(lur instanceof CredVal) {
+				return (CredVal)lur;
+			}
+		}
+		return null;
+	}
+
+	// Never needed... Only EpiLur uses...
+	public boolean handlesExclusively(Permission pond) {
+		return false;
+	}
+	
+	/**
+	 * Get Lur for index.  Returns null if out of range
+	 * @param idx
+	 * @return
+	 */
+	public Lur get(int idx) {
+		if(idx>=0 && idx<lurs.length) {
+			return lurs[idx];
+		}
+		return null;
+	}
+
+	public boolean supports(String userName) {
+		for(Lur l : lurs) {
+			if(l.supports(userName))return true;
+		}
+		return false;
+	}
+
+	public void remove(String id) {
+		for(Lur l : lurs) {
+			if(l instanceof CachingLur) {
+				((CachingLur<?>)l).remove(id);
+			}
+		}
+	}
+	
+	public Lur subLur(Class<? extends Lur> cls ) {
+		for(Lur l : lurs) {
+			if(l.getClass().isAssignableFrom(cls)) {
+				return l;
+			}
+		}
+		return null;
+	}
+
+	@Override
+	public Permission createPerm(String p) {
+		return new LocalPermission(p);
+	}
+
+	/* (non-Javadoc)
+	 * @see com.att.cadi.Lur#clear(java.security.Principal, java.lang.StringBuilder)
+	 */
+	@Override
+	public void clear(Principal p, StringBuilder report) {
+		for(Lur lur : lurs) {
+			lur.clear(p, report);
+		}
+	}
+	
+	public String toString() {
+		StringBuilder sb = new StringBuilder();
+		for(Lur lur : lurs) {
+			sb.append(lur.getClass().getSimpleName());
+			sb.append(": Report\n");
+			sb.append(lur.toString());
+			sb.append('\n');
+		}
+		return sb.toString();
+	}
+}
-- 
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