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Diffstat (limited to 'cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/lur/EpiLur.java')
-rw-r--r-- | cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/lur/EpiLur.java | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/lur/EpiLur.java b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/lur/EpiLur.java new file mode 100644 index 00000000..3e26fd4d --- /dev/null +++ b/cadi/core/src/main/java/org/onap/ccsdk/apps/cadi/lur/EpiLur.java @@ -0,0 +1,169 @@ +/** + * ============LICENSE_START==================================================== + * org.onap.ccsdk + * =========================================================================== + * Copyright (c) 2023 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==================================================== + * + */ + +package org.onap.ccsdk.apps.cadi.lur; + +import java.security.Principal; +import java.util.List; + +import org.onap.ccsdk.apps.cadi.CachingLur; +import org.onap.ccsdk.apps.cadi.CadiException; +import org.onap.ccsdk.apps.cadi.CredVal; +import org.onap.ccsdk.apps.cadi.Lur; +import org.onap.ccsdk.apps.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 + * + * @author Jonathan + * + */ +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 handles(Principal p) { + for (Lur l : lurs) { + if (l.handles(p)) { + 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 org.onap.ccsdk.apps.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(); + } +} |