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[utils] / security / usermgt / src / main / java / org / wamblee / security / authorization / DefaultOperationRegistry.java

diff --git a/security/usermgt/src/main/java/org/wamblee/security/authorization/DefaultOperationRegistry.java b/security/usermgt/src/main/java/org/wamblee/security/authorization/DefaultOperationRegistry.java
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+++ b/security/usermgt/src/main/java/org/wamblee/security/authorization/DefaultOperationRegistry.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.authorization;
+
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.TreeMap;
+
+/**
+ * Operation registry implementation. This implementation ignores the
+ * distinction between different types of resources and simply assumes that
+ * every operation is applicable to every type of resource.
+ * 
+ * @author Erik Brakkee
+ */
+public class DefaultOperationRegistry implements OperationRegistry {
+    private Map<String, Operation> operations;
+
+    /**
+     * Creates a new DefaultOperationRegistry object.
+     * 
+     */
+    public DefaultOperationRegistry(Operation[] aOperations) {
+        operations = new TreeMap<String, Operation>();
+
+        for (Operation operation : aOperations) {
+            operations.put(operation.getName(), operation);
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see
+     * org.wamblee.security.authorization.OperationRegistry#getOperations(java
+     * .lang.Class)
+     */
+    public Operation[] getOperations(Class aResourceClass) {
+        return operations.values().toArray(new Operation[0]);
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see
+     * org.wamblee.security.authorization.OperationRegistry#encode(org.wamblee
+     * .security.authorization.Operation[])
+     */
+    public String encode(Operation[] aOperations) {
+        StringBuffer buffer = new StringBuffer();
+
+        for (Operation operation : aOperations) {
+            if (buffer.length() > 0) {
+                buffer.append(',');
+            }
+
+            buffer.append(operation.getName());
+        }
+
+        return buffer.toString();
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see
+     * org.wamblee.security.authorization.OperationRegistry#decode(java.lang
+     * .Class, java.lang.String)
+     */
+    public Operation[] decode(Class aResourceClass, String aOperationsString) {
+        return decode(aOperationsString);
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see
+     * org.wamblee.security.authorization.OperationRegistry#decode(java.lang
+     * .String)
+     */
+    public Operation[] decode(String aOperationsString) {
+        if (aOperationsString.length() == 0) {
+            return new Operation[0];
+        }
+
+        String[] names = aOperationsString.split(",");
+        ArrayList<Operation> result = new ArrayList<Operation>();
+
+        for (String name : names) {
+            Operation operation = operations.get(name);
+
+            if (operation == null) {
+                throw new IllegalArgumentException("Unknown operation '" +
+                    name + "'");
+            }
+
+            result.add(operation);
+        }
+
+        return result.toArray(new Operation[0]);
+    }
+}