added databasecomponent and now using Derby in the unit tests.

[utils] / system / general / src / test / java / org / wamblee / system / components / DatabaseComponent.java

diff --git a/system/general/src/test/java/org/wamblee/system/components/DatabaseComponent.java b/system/general/src/test/java/org/wamblee/system/components/DatabaseComponent.java
new file mode 100644 (file)
index 0000000..5ec5851
--- /dev/null
+++ b/system/general/src/test/java/org/wamblee/system/components/DatabaseComponent.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2008 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.system.components;
+
+import java.util.Properties;
+
+import org.wamblee.persistence.Database;
+import org.wamblee.persistence.DerbyDatabase;
+import org.wamblee.system.components.ORMappingConfig.DatabaseType;
+import org.wamblee.system.core.AbstractComponent;
+import org.wamblee.system.core.DefaultProvidedInterface;
+import org.wamblee.system.core.ProvidedInterface;
+import org.wamblee.system.core.Scope;
+
+public class DatabaseComponent extends AbstractComponent<Database> {
+    
+    private static ProvidedInterface DB_PROPS = new DefaultProvidedInterface("dbProps", Properties.class);
+    
+    private Database _database; 
+    
+    public DatabaseComponent(String aName, Database aDatabase) { 
+        super(aName); 
+        _database = aDatabase;
+        addProvidedInterface(DB_PROPS);
+    }
+
+    @Override
+    protected Database doStart(Scope aScope) {
+        _database.start(); 
+        
+        Properties props = new Properties();
+        if ( _database instanceof DerbyDatabase ) { 
+            props.put("database.type", DatabaseType.DERBY.toString());
+        } else { 
+            throw new IllegalArgumentException("Unknown database type " + _database); 
+        }
+        props.put("database.driver", _database.getDriverClassName());
+        props.put("database.url", _database.getJdbcUrl());
+        props.put("database.username", _database.getUsername());
+        props.put("database.password", _database.getPassword());
+
+        addInterface(DB_PROPS, props, aScope);
+        return _database; 
+    }
+
+    @Override
+    protected void doStop(Database aRuntime) {
+        _database.stop();
+    }
+
+}