Merged HEAD-QA to HEAD (4.2) (including moving test classes into separate folders)

51903 to 54309 


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@54310 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/config/ImmutableConfig.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2005-2013 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.repo.config;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.springframework.extensions.config.Config;
+import org.springframework.extensions.config.ConfigElement;
+import org.springframework.extensions.config.ConfigImpl;
+
+/**
+ * Extension of {@link ConfigImpl} that protects all internal data when locked
+ * 
+ * @author Derek Hulley
+ * @since 4.1.5
+ */
+public class ImmutableConfig extends ConfigImpl
+{
+    private final Map<String, ConfigElement> configElements;
+    
+    /**
+     * Make a read-only copy of the given configuration
+     * 
+     * @param config            the configuration to copy
+     */
+    public ImmutableConfig(Config config)
+    {
+        if (config.getConfigElements() == null)
+        {
+            this.configElements = Collections.emptyMap();
+        }
+        else
+        {
+            Map<String, ConfigElement> configElements = new HashMap<String, ConfigElement>(config.getConfigElements());
+            this.configElements = Collections.unmodifiableMap(configElements);
+        }
+    }
+    
+    @Override
+    public ConfigElement getConfigElement(String name)
+    {
+        return configElements.get(name);
+    }
+
+    @Override
+    public String getConfigElementValue(String name)
+    {
+        ConfigElement ce = configElements.get(name);
+        return ce != null ? ce.getValue() : null; 
+    }
+
+    @Override
+    public boolean hasConfigElement(String name)
+    {
+        return configElements.containsKey(name);    }
+
+    @Override
+    public Map<String, ConfigElement> getConfigElements()
+    {
+        return configElements;
+    }
+
+    @Override
+    public void putConfigElement(ConfigElement configElement)
+    {
+        throw new UnsupportedOperationException("Configuration is immutable.");
+    }
+}