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[utils] / security / usermgt / src / main / java / org / wamblee / security / authentication / InMemoryGroupSet.java

diff --git a/security/usermgt/src/main/java/org/wamblee/security/authentication/InMemoryGroupSet.java b/security/usermgt/src/main/java/org/wamblee/security/authentication/InMemoryGroupSet.java
new file mode 100644 (file)
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+++ b/security/usermgt/src/main/java/org/wamblee/security/authentication/InMemoryGroupSet.java
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+/*
+ * Copyright 2005-2010 the original author or authors.
+ * 
+ * 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.
+ */
+package org.wamblee.security.authentication;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.TreeSet;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ * In-memory group set implementation.
+ * 
+ * @author Erik Brakkee
+ */
+public class InMemoryGroupSet implements GroupSet {
+
+    private AtomicLong pk = new AtomicLong(1l);
+
+    /**
+     * Groups.
+     */
+    private List<Group> groups;
+
+    /**
+     * Constructs an empty group set.
+     */
+    public InMemoryGroupSet() {
+        groups = new ArrayList<Group>();
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see
+     * org.wamblee.usermgt.GroupSet#groupModified(org.wamblee.usermgt.Group)
+     */
+    public void groupModified(Group aGroup) {
+        for (int i = 0; i < groups.size(); i++) {
+            if (groups.get(i).getPrimaryKey().equals(aGroup.getPrimaryKey())) {
+                groups.remove(i);
+                groups.add(aGroup);
+                return;
+            }
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.wamblee.usermgt.GroupSet#find(java.lang.String)
+     */
+    public Group find(String aName) {
+        for (Group group : groups) {
+            if (group.getName().equals(aName)) {
+                return group;
+            }
+        }
+
+        return null;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.wamblee.usermgt.GroupSet#contains(org.wamblee.usermgt.Group)
+     */
+    public boolean contains(Group aGroup) {
+        return groups.contains(aGroup);
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.wamblee.usermgt.GroupSet#add(org.wamblee.usermgt.Group)
+     */
+    public boolean add(Group aGroup) {
+        aGroup.setPrimaryKey(pk.getAndIncrement());
+        if (find(aGroup.getName()) != null) {
+            return false;
+        }
+        return groups.add(aGroup);
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.wamblee.usermgt.GroupSet#remove(org.wamblee.usermgt.Group)
+     */
+    public boolean remove(Group aGroup) {
+        return groups.remove(aGroup);
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.wamblee.usermgt.GroupSet#list()
+     */
+    public Set<Group> list() {
+        Set<Group> list = new TreeSet<Group>();
+
+        for (Group group : groups) {
+            list.add(new Group(group));
+        }
+
+        return list;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.wamblee.usermgt.GroupSet#size()
+     */
+    public int size() {
+        return groups.size();
+    }
+}