--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.snmp/share/classes/com/sun/jmx/snmp/IPAcl/AclEntryImpl.java Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,263 @@
+/*
+ * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+package com.sun.jmx.snmp.IPAcl;
+
+
+
+import java.security.acl.Permission;
+import java.util.Vector;
+import java.util.Enumeration;
+import java.io.Serializable;
+import java.net.UnknownHostException;
+
+import java.security.Principal;
+import java.security.acl.AclEntry;
+
+
+/**
+ * Represent one entry in the Access Control List (ACL).
+ * This ACL entry object contains a permission associated with a particular principal.
+ * (A principal represents an entity such as an individual machine or a group).
+ *
+ * @see java.security.acl.AclEntry
+ */
+
+class AclEntryImpl implements AclEntry, Serializable {
+ private static final long serialVersionUID = -5047185131260073216L;
+
+ private AclEntryImpl (AclEntryImpl i) throws UnknownHostException {
+ setPrincipal(i.getPrincipal());
+ permList = new Vector<Permission>();
+ commList = new Vector<String>();
+
+ for (Enumeration<String> en = i.communities(); en.hasMoreElements();){
+ addCommunity(en.nextElement());
+ }
+
+ for (Enumeration<Permission> en = i.permissions(); en.hasMoreElements();){
+ addPermission(en.nextElement());
+ }
+ if (i.isNegative()) setNegativePermissions();
+ }
+
+ /**
+ * Contructs an empty ACL entry.
+ */
+ public AclEntryImpl (){
+ princ = null;
+ permList = new Vector<Permission>();
+ commList = new Vector<String>();
+ }
+
+ /**
+ * Constructs an ACL entry with a specified principal.
+ *
+ * @param p the principal to be set for this entry.
+ */
+ public AclEntryImpl (Principal p) throws UnknownHostException {
+ princ = p;
+ permList = new Vector<Permission>();
+ commList = new Vector<String>();
+ }
+
+ /**
+ * Clones this ACL entry.
+ *
+ * @return a clone of this ACL entry.
+ */
+ public Object clone() {
+ AclEntryImpl i;
+ try {
+ i = new AclEntryImpl(this);
+ }catch (UnknownHostException e) {
+ i = null;
+ }
+ return (Object) i;
+ }
+
+ /**
+ * Returns true if this is a negative ACL entry (one denying the associated principal
+ * the set of permissions in the entry), false otherwise.
+ *
+ * @return true if this is a negative ACL entry, false if it's not.
+ */
+ public boolean isNegative(){
+ return neg;
+ }
+
+ /**
+ * Adds the specified permission to this ACL entry. Note: An entry can
+ * have multiple permissions.
+ *
+ * @param perm the permission to be associated with the principal in this
+ * entry
+ * @return true if the permission is removed, false if the permission was
+ * not part of this entry's permission set.
+ *
+ */
+ public boolean addPermission(java.security.acl.Permission perm){
+ if (permList.contains(perm)) return false;
+ permList.addElement(perm);
+ return true;
+ }
+
+ /**
+ * Removes the specified permission from this ACL entry.
+ *
+ * @param perm the permission to be removed from this entry.
+ * @return true if the permission is removed, false if the permission
+ * was not part of this entry's permission set.
+ */
+ public boolean removePermission(java.security.acl.Permission perm){
+ if (!permList.contains(perm)) return false;
+ permList.removeElement(perm);
+ return true;
+ }
+
+ /**
+ * Checks if the specified permission is part of the permission set in
+ * this entry.
+ *
+ * @param perm the permission to be checked for.
+ * @return true if the permission is part of the permission set in this
+ * entry, false otherwise.
+ */
+
+ public boolean checkPermission(java.security.acl.Permission perm){
+ return (permList.contains(perm));
+ }
+
+ /**
+ * Returns an enumeration of the permissions in this ACL entry.
+ *
+ * @return an enumeration of the permissions in this ACL entry.
+ */
+ public Enumeration<Permission> permissions(){
+ return permList.elements();
+ }
+
+ /**
+ * Sets this ACL entry to be a negative one. That is, the associated principal
+ * (e.g., a user or a group) will be denied the permission set specified in the
+ * entry. Note: ACL entries are by default positive. An entry becomes a negative
+ * entry only if this setNegativePermissions method is called on it.
+ *
+ * Not Implemented.
+ */
+ public void setNegativePermissions(){
+ neg = true;
+ }
+
+ /**
+ * Returns the principal for which permissions are granted or denied by this ACL
+ * entry. Returns null if there is no principal set for this entry yet.
+ *
+ * @return the principal associated with this entry.
+ */
+ public Principal getPrincipal(){
+ return princ;
+ }
+
+ /**
+ * Specifies the principal for which permissions are granted or denied by
+ * this ACL entry. If a principal was already set for this ACL entry,
+ * false is returned, otherwise true is returned.
+ *
+ * @param p the principal to be set for this entry.
+ * @return true if the principal is set, false if there was already a
+ * principal set for this entry.
+ */
+ public boolean setPrincipal(Principal p) {
+ if (princ != null )
+ return false;
+ princ = p;
+ return true;
+ }
+
+ /**
+ * Returns a string representation of the contents of this ACL entry.
+ *
+ * @return a string representation of the contents.
+ */
+ public String toString(){
+ return "AclEntry:"+princ.toString();
+ }
+
+ /**
+ * Returns an enumeration of the communities in this ACL entry.
+ *
+ * @return an enumeration of the communities in this ACL entry.
+ */
+ public Enumeration<String> communities(){
+ return commList.elements();
+ }
+
+ /**
+ * Adds the specified community to this ACL entry. Note: An entry can
+ * have multiple communities.
+ *
+ * @param comm the community to be associated with the principal
+ * in this entry.
+ * @return true if the community was added, false if the community was
+ * already part of this entry's community set.
+ */
+ public boolean addCommunity(String comm){
+ if (commList.contains(comm)) return false;
+ commList.addElement(comm);
+ return true;
+ }
+
+ /**
+ * Removes the specified community from this ACL entry.
+ *
+ * @param comm the community to be removed from this entry.
+ * @return true if the community is removed, false if the community was
+ * not part of this entry's community set.
+ */
+ public boolean removeCommunity(String comm){
+ if (!commList.contains(comm)) return false;
+ commList.removeElement(comm);
+ return true;
+ }
+
+ /**
+ * Checks if the specified community is part of the community set in this
+ * entry.
+ *
+ * @param comm the community to be checked for.
+ * @return true if the community is part of the community set in this
+ * entry, false otherwise.
+ */
+ public boolean checkCommunity(String comm){
+ return (commList.contains(comm));
+ }
+
+ private Principal princ = null;
+ private boolean neg = false;
+ private Vector<Permission> permList = null;
+ private Vector<String> commList = null;
+}