7 files changed, 0 insertions, 814 deletions
diff --git a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/ConnectionInfoArtifactProcessor.java b/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/ConnectionInfoArtifactProcessor.java
deleted file mode 100644
index 99709857b8..0000000000
--- a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/ConnectionInfoArtifactProcessor.java
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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.apache.tuscany.sca.data.engine;
-
-import javax.xml.namespace.QName;
-import javax.xml.stream.XMLStreamConstants;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamReader;
-import javax.xml.stream.XMLStreamWriter;
-
-import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl;
-import org.apache.tuscany.sca.assembly.xml.Constants;
-import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
-import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
-import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
-import org.apache.tuscany.sca.contribution.service.ContributionReadException;
-import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
-import org.apache.tuscany.sca.contribution.service.ContributionWriteException;
-import org.apache.tuscany.sca.data.engine.config.ConnectionInfo;
-import org.apache.tuscany.sca.data.engine.config.ConnectionProperties;
-import org.apache.tuscany.sca.monitor.Monitor;
-import org.apache.tuscany.sca.monitor.Problem;
-import org.apache.tuscany.sca.monitor.Problem.Severity;
-
-/**
- * Implements a StAX artifact processor for ConnectionInfo.
- * This processor is shared between implementation.das and implementation.data component type  implementations,
- * and can be used for other applications that require database connectivity information.
- * 
- * The artifact processor is responsible for processing <ConnectionInfo>
- * elements in SCA assembly XML composite files.
- * 
- * @version $Rev$ $Date$
- */
-public class ConnectionInfoArtifactProcessor implements StAXArtifactProcessor<ConnectionInfo> {
-    public static final QName CONNECTION_INFO = new QName(Constants.SCA10_TUSCANY_NS, "connectionInfo");
-    private static final QName CONNECTION_PROPERTIES = new QName(Constants.SCA10_TUSCANY_NS, "connectionProperties");
-    
-    private Monitor monitor;
-    public ConnectionInfoArtifactProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) {
-    	this.monitor = monitor;
-    }
-
-    public QName getArtifactType() {
-        // Returns the QName of the XML element processed by this processor
-        return CONNECTION_INFO;
-    }
-    
-    /**
-     * Report a exception.
-     * 
-     * @param problems
-     * @param message
-     * @param model
-     */
-    private void error(String message, Object model, Exception ex) {
-    	 if (monitor != null) {
-	        Problem problem = new ProblemImpl(this.getClass().getName(), "dataengine-helper-validation-messages", Severity.ERROR, model, message, ex);
-	        monitor.problem(problem);
-    	 }
-    }
-
-    public Class<ConnectionInfo> getModelType() {
-        // Returns the type of model processed by this processor
-        return ConnectionInfo.class;
-    }
-
-    /*
-     * <component name="CompanyDataComponent">
-     *   <implementation.data table="company">
-     *
-     *      <connectionInfo>
-     *         <connectionProperties 
-     *          driverClass="org.apache.derby.jdbc.EmbeddedDriver" 
-     *          databaseURL="jdbc:derby:target/test-classes/dastest; create = true" 
-     *          loginTimeout="600000"/>
-     *      </connectionInfo>
-     *
-     *   </implementation.data>
-     * </component>
-     */
-    public ConnectionInfo read(XMLStreamReader reader) throws ContributionReadException {
-        assert CONNECTION_INFO.equals(reader.getName());
-
-        // Create a ConnectionInfo from the component type model
-        ConnectionInfo connectionInfo = new ConnectionInfo();
-
-        /* 
-         *  <connectionInfo dataSource="jdbc:derby:target/test-classes/dastest; create = true"/>
-         */
-        String dataSource = reader.getAttributeValue(null, "datasource"); // exclusive with connection properties
-        if (dataSource != null && dataSource.length() > 0) {
-            connectionInfo.setDataSource(dataSource);
-        } else {
-            try {
-                int event = reader.next();
-                while (event == XMLStreamConstants.CHARACTERS) {
-                    event = reader.next();
-                }
-            } catch (XMLStreamException e) {
-            	ContributionReadException ce = new ContributionReadException(e);
-            	error("ContributionReadException", reader, ce);
-                throw ce;
-            }
-
-            QName element = reader.getName();
-            
-            assert CONNECTION_PROPERTIES.equals(element);
-            
-            /*
-             * <connectionProperties 
-             *  driverClass="org.apache.derby.jdbc.EmbeddedDriver" 
-             *  databaseURL="jdbc:derby:target/test-classes/dastest; create = true"
-             *  username=""
-             *  password="" 
-             *  loginTimeout="600000"/>
-             */
-            
-            String driverClass = reader.getAttributeValue(null, "driverClass");
-            String databaseURL = reader.getAttributeValue(null, "databaseURL");
-            String username = reader.getAttributeValue(null, "username");
-            String password = reader.getAttributeValue(null, "password");
-            String loginTimeout = reader.getAttributeValue(null, "loginTimeout");
-
-            // FIXME: validation sending info to monitor....
-            ConnectionProperties connectionProperties = new ConnectionProperties();
-            connectionProperties.setDriverClass(driverClass);
-            connectionProperties.setDatabaseURL(databaseURL);
-            connectionProperties.setUsername(username);
-            connectionProperties.setPassword(password);
-            if (loginTimeout != null) {
-                connectionProperties.setLoginTimeout(Integer.parseInt(loginTimeout));
-            }
-
-            connectionInfo.setConnectionProperties(connectionProperties);
-        }
-        
-        return connectionInfo;
-    }
-
-    public void resolve(ConnectionInfo impl, ModelResolver resolver) throws ContributionResolveException {
-
-    }
-
-    public void write(ConnectionInfo connectionInfo, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {
-
-        writer.writeStartElement(CONNECTION_INFO.getNamespaceURI(), CONNECTION_INFO.getLocalPart());
-
-        if (connectionInfo.getDataSource() != null) {
-            writer.writeAttribute("dataSource", connectionInfo.getDataSource());
-        }
-        
-        ConnectionProperties connectionProperties = connectionInfo.getConnectionProperties();
-        if (connectionProperties != null) {
-            writer.writeStartElement(CONNECTION_PROPERTIES.getNamespaceURI(), CONNECTION_PROPERTIES.getLocalPart());
-            
-            if (connectionProperties.getDriverClass() != null) {
-                writer.writeAttribute("driverClass", connectionProperties.getDriverClass());
-            }
-            if (connectionProperties.getDatabaseURL() != null) {
-                writer.writeAttribute("databaseURL", connectionProperties.getDatabaseURL());
-            }
-            if (connectionProperties.getUsername() != null) {
-                writer.writeAttribute("username", connectionProperties.getUsername());
-            }
-            if (connectionProperties.getPassword() != null) {
-                writer.writeAttribute("password", connectionProperties.getPassword());
-            }
-            if (connectionProperties.getLoginTimeout() != null) {
-                writer.writeAttribute("loginTimeout", String.valueOf(connectionProperties.getLoginTimeout()));
-            }
-            
-            writer.writeEndElement();
-        }
-        
-        
-        writer.writeEndElement();
-        
-    }
-}
diff --git a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/DataAccessEngine.java b/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/DataAccessEngine.java
deleted file mode 100644
index aef9ac3261..0000000000
--- a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/DataAccessEngine.java
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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.apache.tuscany.sca.data.engine;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.tuscany.das.rdb.Command;
-import org.apache.tuscany.das.rdb.DAS;
-
-import commonj.sdo.DataObject;
-import commonj.sdo.Property;
-
-/**
- * Facade to hide DAS implementation details of handling commands
- * 
- * @version $Rev$ $Date$
- */
-public class DataAccessEngine {
-    private final DAS das;
-
-    public DataAccessEngine(DAS das) {
-        this.das = das;
-    }
-
-    public DataObject executeGet(ArrayList keyVals, String table, String key) {//TODO need to consider compound keys
-        try {
-            String sqlQuery = "select * from " + table.toUpperCase();
-            List<String> keys = null;
-            
-            if(key == null) {
-                if(keyVals != null && keyVals.size() == 1) {
-                    sqlQuery += " where ID = " + keyVals.get(0);
-                }            	
-            } else {//can be other than ID , can be compound keys
-            	keys = getKeys(key);
-            	if(keyVals.size() != keys.size()) {
-            		throw new RuntimeException("One or more PK values missing");
-            	}
-            	            	
-            	sqlQuery += " where ";
-            	
-            	for(int i=0; i<keys.size(); i++) {
-            		sqlQuery += keys.get(i)+" = ? AND ";
-            	}
-            	
-            	sqlQuery = sqlQuery.substring(0, sqlQuery.lastIndexOf(" AND "));
-            }
-            
-            Command command = this.das.createCommand(sqlQuery);
-            
-            if(key != null) {
-            	for(int i=1; i<=keyVals.size(); i++) {
-            		command.setParameter(i, keyVals.get(i-1));
-            	}
-            }
-            
-            DataObject returnDO = command.executeQuery();          
-            return returnDO;
-        } catch (Exception e) {
-            //e.printStackTrace();
-            throw new RuntimeException(e);
-        }
-    }
-    
-    /**
-     * 
-     * @param table table'e Type name - should be same as table name
-     * @param key column's Property name - should be same as column name
-     * @return
-     */
-    public Map<Object, DataObject> executeGetAll(String table, String key) {
-        try {
-            String sqlQuery = "select * from " + table.toUpperCase();
-            Command command = this.das.createCommand(sqlQuery);
-            DataObject result = command.executeQuery();
-            List<String> keys = getKeys(key);
-            List<DataObject> resultDataObjects = result.getList(table);
-            
-            return getMappedDataObjects(resultDataObjects, keys);
-        } catch (Exception e) {
-            //e.printStackTrace();
-        	throw new RuntimeException(e);
-        }
-    }
-    
-    public Map<Object, DataObject> executeQuery(String queryString, String table, String key) {
-        try {
-            Command command = this.das.createCommand(queryString);
-            DataObject result = command.executeQuery();
-            List<String> keys = getKeys(key);
-            List<DataObject> resultDataObjects = result.getList(table);
-            
-            return getMappedDataObjects(resultDataObjects, keys);
-        } catch (Exception e) {
-            //e.printStackTrace();
-        	throw new RuntimeException(e);
-        }
-    }
-    
-    //origDataObject should be with change summary. table, pk is already known to DAS, so no need to have these here
-    public void executePut(DataObject origDataObject) {
-    	this.das.applyChanges(origDataObject);
-    	return;
-    }
-    
-    //return PK/s
-    public ArrayList executePost(DataObject origDataObject, String table, String key){
-    	//TODO check that PKs are present before insert - this is not correct for auto incr PKs, so let it be upto user whether to send PK or not
-    	/*List<String> keys = getKeys(key);
-    	for(int i=0; i<keys.size(); i++) {
-    		String currentKey = keys.get(i);
-    		Object currentKeyValue = origDataObject.get(currentKey);
-    		if(currentKeyValue == null) {
-    			throw new RuntimeException("PK missing during INSERT");
-    		}
-    	}*/
-    	
-    	String sqlString = "insert into "+table+" (";
-    	List props = origDataObject.getType().getProperties();
-    	if(props.size() != 0) {
-	    	for(int i=0; i<props.size(); i++) {
-	    		String currPropName = ((Property)props.get(i)).getName();
-	    		if(origDataObject.get(currPropName) != null) {
-	    			sqlString += currPropName+",";
-	    		}
-	    	}
-	    	sqlString = sqlString.substring(0, sqlString.length()-1);
-	    	sqlString += ") values (";
-	    	for(int i=0; i<props.size(); i++) {
-	    		String currPropName = ((Property)props.get(i)).getName();
-	    		if(origDataObject.get(currPropName) != null) {
-	    			sqlString += "?,";
-	    		}
-	    	}
-
-	    	sqlString = sqlString.substring(0, sqlString.length()-1);
-	    	sqlString += ")";
-	    	
-	    	Command insertCommand = this.das.createCommand(sqlString);
-	    	int paramIdx = 1;
-	    	for(int i=1; i<=props.size(); i++) {
-	    		String currPropName = ((Property)props.get(i-1)).getName();
-	    		if(origDataObject.get(currPropName) != null) {
-	    			insertCommand.setParameter(paramIdx, origDataObject.get(currPropName));
-	    			paramIdx++;
-	    		}
-	    	}
-	    	
-	    	insertCommand.execute();
-	    	
-	    	//there can be different possibilities
-	    	//1- there is autogen key - insertCommand.getGeneratedKey() will return value and not exception
-	    	//2- there is no autogen key - insertCommand.getGeneratedKey() will return exception and value needs to be taken from origDataObject
-	    	//for 2 it is straight forward to know the column name same as property name
-	    	//for 1 it is possible for only 1 column so no question of compound PK
-
-	    	//now get the PK/s to be returned
-	    	ArrayList pks = new ArrayList();
-
-	    	try {
-	    		int newId = insertCommand.getGeneratedKey();
-	    		pks.add(newId);
-	    		return pks;
-	    	} catch(Exception e) {
-		    	List<String> keys = getKeys(key);
-		    	for(int i=0; i<keys.size(); i++) {
-		    		String currentKey = keys.get(i);
-		    		Object currentKeyValue = origDataObject.get(currentKey);
-		    		if(currentKeyValue == null) {
-		    			throw new RuntimeException("PK missing during INSERT");
-		    		}
-		    		pks.add(currentKeyValue);
-		    	}
-		    	return pks;
-	    	}
-
-    	}
-    	return null;
-    }
-    
-    //when keyVal is null can be used as deleteAll
-    public void executeDelete(ArrayList keyVals, String table, String key) {
-        try {
-            String sqlQuery = "select * from " + table.toUpperCase();
-            List<String> keys = null;
-            
-            if(key == null) {
-                if(keyVals != null && keyVals.size() == 1) {
-                    sqlQuery += " where ID = " + keyVals.get(0);
-                }            	
-            } else {//can be other than ID , can be compound keys
-            	keys = getKeys(key);
-            	if(keyVals.size() != keys.size()) {
-            		throw new RuntimeException("One or more PK values missing");
-            	}
-            	            	
-            	sqlQuery += " where ";
-            	
-            	for(int i=0; i<keys.size(); i++) {
-            		sqlQuery += keys.get(i)+" = ? AND ";
-            	}
-            	
-            	sqlQuery = sqlQuery.substring(0, sqlQuery.lastIndexOf(" AND "));
-            }
-            
-            Command command = this.das.createCommand(sqlQuery);
-            
-            if(key != null) {
-            	for(int i=1; i<=keyVals.size(); i++) {
-            		command.setParameter(i, keyVals.get(i-1));
-            	}
-            }
-            
-            DataObject result = command.executeQuery();
-            List<DataObject> resultDOs = result.getList(table);
-            if(resultDOs != null) {
-            	for(int i=0; i<resultDOs.size(); i++) {
-            		((DataObject)resultDOs.get(i)).delete();
-            	}
-            }
-            this.das.applyChanges(result);
-        } catch (Exception e) {
-            //e.printStackTrace();
-            throw new RuntimeException(e);
-        }
-    }
-    
-    public Map<Object, DataObject> getMappedDataObjects(List<DataObject> resultDataObjects, List<String> keys) {
-    	Map<Object, DataObject> resultMap = new HashMap<Object, DataObject>();
-    	ArrayList<Object> keyCols = null;
-        for(int j=0; j<resultDataObjects.size(); j++) {
-        	DataObject currentDO = resultDataObjects.get(j);
-        	
-            keyCols = new ArrayList<Object>();
-        	for(int i=0; i<keys.size(); i++) {
-        		String currentKey = keys.get(i);
-        		Object currentKeyValue = currentDO.get(currentKey);
-        		keyCols.add(currentKeyValue);
-        	}
-        	
-        	resultMap.put(keyCols, currentDO);          	
-        }
-        return resultMap;
-    }
-    
-    public static List<String> getKeys(String key) {
-    	String[] keys = key.split(",");
-    	return Arrays.asList(keys);
-    }
-    
-    public DataObject executeCommand(String commandName) {
-        try {
-            Command command = this.das.getCommand(commandName);
-            return command.executeQuery();
-        } catch (Exception e) {
-            e.printStackTrace();
-            return null;
-        }
-    }
-
-    public DataObject executeCommand(String commandName, String xPath) {
-        DataObject root = executeCommand(commandName);
-        return root.getDataObject(xPath);
-    }
-}
diff --git a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/DataAccessEngineManager.java b/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/DataAccessEngineManager.java
deleted file mode 100644
index 572c190037..0000000000
--- a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/DataAccessEngineManager.java
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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.apache.tuscany.sca.data.engine;
-
-import java.io.InputStream;
-import java.util.List;
-
-import org.apache.tuscany.das.rdb.ConfigHelper;
-import org.apache.tuscany.das.rdb.DAS;
-import org.apache.tuscany.das.rdb.config.wrapper.MappingWrapper;
-import org.apache.tuscany.sca.data.engine.config.ConnectionInfo;
-
-/**
- * The DataAccessEngineManager acts like a registry and factory for DAS instances
- * It holds DAS by it's config file name, reusing the same DAS for all components 
- * using the same config file.
- * 
- * @version $Rev$ $Date$
- */
-public class DataAccessEngineManager {
-    //private final Map<String, DAS> registry = new HashMap<String, DAS>();
-    
-    public DataAccessEngineManager() {
-        super();
-    }
-    
-    protected DAS initializeDAS(String config, ConnectionInfo connectionInfo, String table, String pkColumns) throws MissingConfigFileException {
-        //load the config file
-        //System.out.println("Initializing DAS");
-        
-        ConfigHelper configHelper;
-        
-        if(config == null) {
-            //no config information
-            configHelper = new ConfigHelper();    
-        } else {
-            //initialize the config helper by loading config file
-            configHelper = new ConfigHelper(this.getConfigStream(config));
-        }
-        
-        //add additional connectionInfo if provided in the SCA Composite file
-        if( connectionInfo != null) {
-            String dataSource = connectionInfo.getDataSource();
-            if(dataSource != null && dataSource.length() > 0) {
-                configHelper.addConnectionInfo(dataSource);
-            } else {
-                String driverClass = connectionInfo.getConnectionProperties().getDriverClass();
-                String connectionURL = connectionInfo.getConnectionProperties().getDatabaseURL();
-                String userName = connectionInfo.getConnectionProperties().getUsername();
-                String password = connectionInfo.getConnectionProperties().getPassword();
-                int loginTimeout = connectionInfo.getConnectionProperties().getLoginTimeout();
-
-                configHelper.addConnectionInfo(driverClass, connectionURL, userName, password, loginTimeout);
-            }
-            
-        }
-        
-        if(table != null && pkColumns != null) {
-            MappingWrapper configWrapper = new MappingWrapper(configHelper.getConfig());
-            List<String> pkColsList = DataAccessEngine.getKeys(pkColumns);
-            for(int i=0; i<pkColsList.size(); i++) {
-            	configWrapper.addPrimaryKey(table+"."+pkColsList.get(i), pkColsList.get(i));
-            }                	
-        }
-        
-        DAS das = DAS.FACTORY.createDAS(configHelper.getConfig());
-        
-        return das;    	
-    }
-    
-/*
-    public DAS getDAS(String config) throws MissingConfigFileException {
-        //DAS das = registry.get(config);
-        //if ( das == null) {
-        //    das = this.initializeDAS(config);
-        //    this.registry.put(config, das);
-        //}
-        return initializeDAS(config, null);
-    }
-
-    public DAS getDAS(ConnectionInfo connectionInfo) {
-        assert connectionInfo != null;
-        
-        //FIXME: cache the das, we need to define the keys to use (datasource and databaseurl + hashed(username + password))
-        DAS das = null;
-        try {
-            das =  initializeDAS(null, connectionInfo);
-        }catch (MissingConfigFileException e) {
-            //this should never happen, as configFile == null
-        }
-        
-        return das;
-    }
-*/
-    public DAS getDAS(String config, ConnectionInfo connectionInfo) throws MissingConfigFileException {
-        assert connectionInfo != null;
-        
-        //FIXME: cache the das, we need to define the keys to use (datasource and databaseurl + hashed(username + password))
-        
-        return initializeDAS(config, connectionInfo, null, null);
-    }
-    
-    public DAS getDAS(String config, ConnectionInfo connectionInfo, String table, String pkColumns) throws MissingConfigFileException {
-        assert connectionInfo != null;
-        
-        //FIXME: cache the das, we need to define the keys to use (datasource and databaseurl + hashed(username + password))
-        
-        return initializeDAS(config, connectionInfo, table, pkColumns);
-    }
-    
-    protected InputStream getConfigStream(String config) throws MissingConfigFileException{
-        InputStream configStream = null;
-        
-        try {
-            configStream = this.getClass().getClassLoader().getResourceAsStream(config); 
-        } catch (Exception e) {
-            throw new MissingConfigFileException(config); 
-        }
-        
-        return configStream;
-    }
-    
-
-}
diff --git a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/MissingConfigFileException.java b/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/MissingConfigFileException.java
deleted file mode 100644
index a010e089e9..0000000000
--- a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/MissingConfigFileException.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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.apache.tuscany.sca.data.engine;
-
-import org.apache.tuscany.sca.contribution.service.ContributionReadException;
-
-
-/**
- * Exception to be used when DAS configuration side file is not available
- * 
- * @version $Rev$ $Date$
- */
-public class MissingConfigFileException extends ContributionReadException {
-
-    private static final long serialVersionUID = -2616590185174691724L;
-
-    public MissingConfigFileException(String message) {
-        super(message);
-    }
-
-    public MissingConfigFileException(String message, Throwable cause) {
-        super(message, cause);
-    }
-
-    public MissingConfigFileException(Throwable cause) {
-        super(cause);
-    }
-}
diff --git a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/config/ConnectionInfo.java b/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/config/ConnectionInfo.java
deleted file mode 100644
index c72308f733..0000000000
--- a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/config/ConnectionInfo.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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.apache.tuscany.sca.data.engine.config;
-
-/**
- * Database connection information to be used for implementation.data
- * 
- * @version $Rev$ $Date$
- */
-public class ConnectionInfo {
-    private ConnectionProperties connectionProperties;
-
-    private String dataSource;
-
-    public String getDataSource() {
-        return this.dataSource;
-    }
-
-    public void setDataSource(String dataSource) {
-        this.dataSource = dataSource;
-    }
-
-    public ConnectionProperties getConnectionProperties() {
-        return this.connectionProperties;
-    }
-
-    public void setConnectionProperties(ConnectionProperties connectionProperties) {
-        this.connectionProperties = connectionProperties;
-    }
-
-}
diff --git a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/config/ConnectionProperties.java b/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/config/ConnectionProperties.java
deleted file mode 100644
index df08a970b3..0000000000
--- a/branches/sca-android/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/config/ConnectionProperties.java
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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.apache.tuscany.sca.data.engine.config;
-
-/**
- * Database connection properties to be used for implementation.data
- * 
- * @version $Rev$ $Date$
- */
-public class ConnectionProperties {
-
-    private String driverClass;
-
-    private String databaseURL;
-
-    private String userName;
-
-    private String password;
-
-    private Integer loginTimeOut;
-
-    public String getDriverClass() {
-        return this.driverClass;
-    }
-
-    public void setDriverClass(String driverClass) {
-        this.driverClass = driverClass;
-    }
-
-    public String getDatabaseURL() {
-        return this.databaseURL;
-    }
-
-    public void setDatabaseURL(String databaseURL) {
-        this.databaseURL = databaseURL;
-    }
-
-    public String getUsername() {
-        return this.userName;
-    }
-
-    public void setUsername(String userName) {
-        this.userName = userName;
-    }
-
-    public String getPassword() {
-        return this.password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-
-    public Integer getLoginTimeout() {
-        return this.loginTimeOut;
-    }
-
-    public void setLoginTimeout(Integer loginTimeOut) {
-        this.loginTimeOut = loginTimeOut;
-    }
-
-}
diff --git a/branches/sca-android/modules/data-engine-helper/src/main/resources/dataengine-helper-validation-messages.properties b/branches/sca-android/modules/data-engine-helper/src/main/resources/dataengine-helper-validation-messages.properties
deleted file mode 100644
index b040d69cc5..0000000000
--- a/branches/sca-android/modules/data-engine-helper/src/main/resources/dataengine-helper-validation-messages.properties
+++ /dev/null
@@ -1,21 +0,0 @@
-#
-#
-#    Licensed to the Apache Software Foundation (ASF) under one
-#    or more contributor license agreements. See the NOTICE file
-#    distributed with this work for additional information
-#    regarding copyright ownership. The ASF licenses this file
-#    to you 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.
-#
-#
-ContributionReadException = ContributionReadException occured due to : 
-\ No newline at end of file