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package eu.etaxonomy.cdm.vaadin.util;
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import java.sql.Connection;
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import java.sql.SQLException;
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import javax.servlet.ServletContext;
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import javax.sql.DataSource;
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import org.springframework.context.ApplicationContext;
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import org.springframework.web.context.support.WebApplicationContextUtils;
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import com.vaadin.data.util.sqlcontainer.connection.J2EEConnectionPool;
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import com.vaadin.data.util.sqlcontainer.connection.JDBCConnectionPool;
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import com.vaadin.server.VaadinServlet;
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import eu.etaxonomy.cdm.api.application.ICdmApplicationConfiguration;
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import eu.etaxonomy.cdm.api.service.IClassificationService;
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import eu.etaxonomy.cdm.api.service.ICommonService;
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import eu.etaxonomy.cdm.api.service.IDescriptionService;
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import eu.etaxonomy.cdm.api.service.INameService;
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import eu.etaxonomy.cdm.api.service.IReferenceService;
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import eu.etaxonomy.cdm.api.service.IService;
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import eu.etaxonomy.cdm.api.service.ITaxonNodeService;
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import eu.etaxonomy.cdm.api.service.ITaxonService;
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import eu.etaxonomy.cdm.api.service.ITermService;
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import eu.etaxonomy.cdm.api.service.IVocabularyService;
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public class CdmSpringContextHelper {
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private final ApplicationContext context;
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private final DataSource dataSource;
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private final JDBCConnectionPool connPool;
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private static CdmSpringContextHelper contextHelper;
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private CdmSpringContextHelper(ServletContext servletContext) throws SQLException {
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context = WebApplicationContextUtils.
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getRequiredWebApplicationContext(servletContext);
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dataSource = (DataSource)getBean("dataSource");
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connPool = new J2EEConnectionPool(dataSource);
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}
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public static CdmSpringContextHelper getCurrent() {
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if(VaadinServlet.getCurrent() == null || VaadinServlet.getCurrent().getServletContext() == null) {
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throw new RuntimeException("Vaadin Servlet or Vaadin Servlet Context not initialized");
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}
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if(contextHelper == null) {
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ServletContext sc = VaadinServlet.getCurrent().getServletContext();
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try {
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contextHelper = new CdmSpringContextHelper(sc);
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} catch (SQLException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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return contextHelper;
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}
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public Object getBean(final String beanRef) {
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return context.getBean(beanRef);
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}
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public Object getBean(Class clazz) {
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return context.getBean(clazz);
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}
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public <T extends IService> T getService(Class<T> clazz) {
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return context.getBean(clazz);
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}
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public DataSource getDataSource() {
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return dataSource;
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}
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public JDBCConnectionPool getConnectionPool() {
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return connPool;
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}
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// public static JDBCConnectionPool createConnectionPool() {
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// return new J2EEConnectionPool(getCurrent().getDataSource());
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// }
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// public static JDBCConnectionPool getConnectionPool() {
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// return new J2EEConnectionPool(getCurrent().getDataSource());
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// }
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public static Connection getConnection() throws SQLException {
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return getCurrent().getDataSource().getConnection();
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}
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public static ICdmApplicationConfiguration getApplicationConfiguration() {
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return (ICdmApplicationConfiguration) getCurrent().getBean("cdmApplicationDefaultConfiguration");
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}
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public static ITaxonService getTaxonService() {
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return (ITaxonService)getCurrent().getBean(ITaxonService.class);
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}
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public static ITaxonNodeService getTaxonNodeService() {
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return (ITaxonNodeService)getCurrent().getBean(ITaxonNodeService.class);
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}
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public static IReferenceService getReferenceService() {
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return (IReferenceService)getCurrent().getBean(IReferenceService.class);
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}
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public static INameService getNameService() {
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return (INameService)getCurrent().getBean(INameService.class);
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}
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public static ICommonService getCommonService() {
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return (ICommonService)getCurrent().getBean(ICommonService.class);
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}
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public static IClassificationService getClassificationService() {
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return (IClassificationService)getCurrent().getBean(IClassificationService.class);
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}
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public static IVocabularyService getVocabularyService() {
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return (IVocabularyService)getCurrent().getBean(IVocabularyService.class);
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}
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public static ITermService getTermService() {
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return (ITermService)getCurrent().getBean(ITermService.class);
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}
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public static IDescriptionService getDescriptionService() {
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return (IDescriptionService)getCurrent().getBean(IDescriptionService.class);
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}
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}
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