Examples with DatabaseSessionImpl org.eclipse.persistence.internal.sessions.DatabaseSessionImpl used on opensource projects

Search in sources :

Example 61 with DatabaseSessionImpl

use of org.eclipse.persistence.internal.sessions.DatabaseSessionImpl in project eclipselink by eclipse-ee4j.

the class UpdateFaultTestSuite method buildSessions.

@Override
public void buildSessions() {
    XRDynamicClassLoader xrdecl = new XRDynamicClassLoader(parentClassLoader);
    DatasourceLogin login = new DatabaseLogin();
    login.setUserName(username);
    login.setPassword(password);
    ((DatabaseLogin) login).setConnectionString(url);
    ((DatabaseLogin) login).setDriverClassName(DATABASE_PLATFORM);
    Platform platform = builder.getDatabasePlatform();
    ConversionManager conversionManager = platform.getConversionManager();
    if (conversionManager != null) {
        conversionManager.setLoader(xrdecl);
    }
    login.setDatasourcePlatform(platform);
    ((DatabaseLogin) login).bindAllParameters();
    ((DatabaseLogin) login).setUsesStreamsForBinding(true);
    Project orProject = null;
    if (DBWS_OR_STREAM.size() != 0) {
        MetadataProcessor processor = new MetadataProcessor(new XRPersistenceUnitInfo(xrdecl), new DatabaseSessionImpl(login), xrdecl, false, true, false, false, false, null, null);
        processor.setMetadataSource(new JPAMetadataSource(xrdecl, new StringReader(DBWS_OR_STREAM.toString())));
        PersistenceUnitProcessor.processORMetadata(processor, true, PersistenceUnitProcessor.Mode.ALL);
        processor.addNamedQueries();
        orProject = processor.getProject().getProject();
    } else {
        orProject = new Project();
    }
    orProject.setName(builder.getProjectName().concat(OR_PRJ_SUFFIX));
    orProject.setDatasourceLogin(login);
    DatabaseSession databaseSession = orProject.createDatabaseSession();
    if ("off".equalsIgnoreCase(builder.getLogLevel())) {
        databaseSession.dontLogMessages();
    } else {
        databaseSession.setLogLevel(AbstractSessionLog.translateStringToLoggingLevel(builder.getLogLevel()));
    }
    xrService.setORSession(databaseSession);
    orProject.convertClassNamesToClasses(xrdecl);
    Project oxProject = null;
    Map<String, OXMMetadataSource> metadataMap = new HashMap<String, OXMMetadataSource>();
    StreamSource xml = new StreamSource(new StringReader(DBWS_OX_STREAM.toString()));
    try {
        JAXBContext jc = JAXBContext.newInstance(XmlBindingsModel.class);
        Unmarshaller unmarshaller = jc.createUnmarshaller();
        JAXBElement<XmlBindingsModel> jaxbElt = unmarshaller.unmarshal(xml, XmlBindingsModel.class);
        XmlBindingsModel model = jaxbElt.getValue();
        for (XmlBindings xmlBindings : model.getBindingsList()) {
            metadataMap.put(xmlBindings.getPackageName(), new OXMMetadataSource(xmlBindings));
        }
    } catch (JAXBException jaxbex) {
        jaxbex.printStackTrace();
    }
    Map<String, Map<String, OXMMetadataSource>> properties = new HashMap<String, Map<String, OXMMetadataSource>>();
    properties.put(JAXBContextProperties.OXM_METADATA_SOURCE, metadataMap);
    try {
        org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext jCtx = org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContextFactory.createContextFromOXM(parentClassLoader, properties);
        oxProject = jCtx.getXMLContext().getSession(0).getProject();
    } catch (JAXBException e) {
        e.printStackTrace();
    }
    ((XMLLogin) oxProject.getDatasourceLogin()).setPlatformClassName(DOM_PLATFORM_CLASSNAME);
    ((XMLLogin) oxProject.getDatasourceLogin()).setEqualNamespaceResolvers(false);
    prepareDescriptors(oxProject, orProject, xrdecl);
    ProjectHelper.fixOROXAccessors(orProject, oxProject);
    xrService.setORSession(databaseSession);
    xrService.setXMLContext(new XMLContext(oxProject));
    xrService.setOXSession(xrService.getXMLContext().getSession(0));
}
Also used : XmlBindings(org.eclipse.persistence.jaxb.xmlmodel.XmlBindings) Platform(org.eclipse.persistence.internal.databaseaccess.Platform) XMLPlatform(org.eclipse.persistence.platform.xml.XMLPlatform) DatabaseSession(org.eclipse.persistence.sessions.DatabaseSession) HashMap(java.util.HashMap) XRDynamicClassLoader(org.eclipse.persistence.internal.xr.XRDynamicClassLoader) XMLLogin(org.eclipse.persistence.oxm.XMLLogin) JAXBContext(jakarta.xml.bind.JAXBContext) StringReader(java.io.StringReader) ConversionManager(org.eclipse.persistence.internal.helper.ConversionManager) XmlBindingsModel(org.eclipse.persistence.internal.xr.XmlBindingsModel) Unmarshaller(jakarta.xml.bind.Unmarshaller) DatasourceLogin(org.eclipse.persistence.sessions.DatasourceLogin) XMLContext(org.eclipse.persistence.oxm.XMLContext) StreamSource(javax.xml.transform.stream.StreamSource) JAXBException(jakarta.xml.bind.JAXBException) DatabaseLogin(org.eclipse.persistence.sessions.DatabaseLogin) Project(org.eclipse.persistence.sessions.Project) DatabaseSessionImpl(org.eclipse.persistence.internal.sessions.DatabaseSessionImpl) MetadataProcessor(org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor) Map(java.util.Map) HashMap(java.util.HashMap)

Example 62 with DatabaseSessionImpl

use of org.eclipse.persistence.internal.sessions.DatabaseSessionImpl in project eclipselink by eclipse-ee4j.

the class MTOMTestSuite method buildSessions.

@Override
public void buildSessions() {
    XRDynamicClassLoader xrdecl = new XRDynamicClassLoader(parentClassLoader);
    DatasourceLogin login = new DatabaseLogin();
    login.setUserName(username);
    login.setPassword(password);
    ((DatabaseLogin) login).setConnectionString(url);
    ((DatabaseLogin) login).setDriverClassName(DATABASE_PLATFORM);
    Platform platform = builder.getDatabasePlatform();
    ConversionManager conversionManager = platform.getConversionManager();
    if (conversionManager != null) {
        conversionManager.setLoader(xrdecl);
    }
    login.setDatasourcePlatform(platform);
    ((DatabaseLogin) login).bindAllParameters();
    ((DatabaseLogin) login).setUsesStreamsForBinding(true);
    Project orProject = null;
    if (DBWS_OR_STREAM.size() != 0) {
        MetadataProcessor processor = new MetadataProcessor(new XRPersistenceUnitInfo(xrdecl), new DatabaseSessionImpl(login), xrdecl, false, true, false, false, false, null, null);
        processor.setMetadataSource(new JPAMetadataSource(xrdecl, new StringReader(DBWS_OR_STREAM.toString())));
        PersistenceUnitProcessor.processORMetadata(processor, true, PersistenceUnitProcessor.Mode.ALL);
        processor.addNamedQueries();
        orProject = processor.getProject().getProject();
    } else {
        orProject = new Project();
    }
    orProject.setName(builder.getProjectName().concat(OR_PRJ_SUFFIX));
    orProject.setDatasourceLogin(login);
    DatabaseSession databaseSession = orProject.createDatabaseSession();
    if ("off".equalsIgnoreCase(builder.getLogLevel())) {
        databaseSession.dontLogMessages();
    } else {
        databaseSession.setLogLevel(AbstractSessionLog.translateStringToLoggingLevel(builder.getLogLevel()));
    }
    xrService.setORSession(databaseSession);
    orProject.convertClassNamesToClasses(xrdecl);
    Project oxProject = null;
    Map<String, OXMMetadataSource> metadataMap = new HashMap<String, OXMMetadataSource>();
    StreamSource xml = new StreamSource(new StringReader(DBWS_OX_STREAM.toString()));
    try {
        JAXBContext jc = JAXBContext.newInstance(XmlBindingsModel.class);
        Unmarshaller unmarshaller = jc.createUnmarshaller();
        JAXBElement<XmlBindingsModel> jaxbElt = unmarshaller.unmarshal(xml, XmlBindingsModel.class);
        XmlBindingsModel model = jaxbElt.getValue();
        for (XmlBindings xmlBindings : model.getBindingsList()) {
            metadataMap.put(xmlBindings.getPackageName(), new OXMMetadataSource(xmlBindings));
        }
    } catch (JAXBException jaxbex) {
        jaxbex.printStackTrace();
    }
    Map<String, Map<String, OXMMetadataSource>> properties = new HashMap<String, Map<String, OXMMetadataSource>>();
    properties.put(JAXBContextProperties.OXM_METADATA_SOURCE, metadataMap);
    try {
        org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext jCtx = org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContextFactory.createContextFromOXM(parentClassLoader, properties);
        oxProject = jCtx.getXMLContext().getSession(0).getProject();
    } catch (JAXBException e) {
        e.printStackTrace();
    }
    ((XMLLogin) oxProject.getDatasourceLogin()).setPlatformClassName(DOM_PLATFORM_CLASSNAME);
    ((XMLLogin) oxProject.getDatasourceLogin()).setEqualNamespaceResolvers(false);
    prepareDescriptors(oxProject, orProject, xrdecl);
    ProjectHelper.fixOROXAccessors(orProject, oxProject);
    xrService.setORSession(databaseSession);
    xrService.setXMLContext(new XMLContext(oxProject));
    xrService.setOXSession(xrService.getXMLContext().getSession(0));
}
Also used : XmlBindings(org.eclipse.persistence.jaxb.xmlmodel.XmlBindings) Platform(org.eclipse.persistence.internal.databaseaccess.Platform) XMLPlatform(org.eclipse.persistence.platform.xml.XMLPlatform) DatabaseSession(org.eclipse.persistence.sessions.DatabaseSession) HashMap(java.util.HashMap) XRDynamicClassLoader(org.eclipse.persistence.internal.xr.XRDynamicClassLoader) XMLLogin(org.eclipse.persistence.oxm.XMLLogin) JAXBContext(jakarta.xml.bind.JAXBContext) StringReader(java.io.StringReader) ConversionManager(org.eclipse.persistence.internal.helper.ConversionManager) XmlBindingsModel(org.eclipse.persistence.internal.xr.XmlBindingsModel) Unmarshaller(jakarta.xml.bind.Unmarshaller) DatasourceLogin(org.eclipse.persistence.sessions.DatasourceLogin) XMLContext(org.eclipse.persistence.oxm.XMLContext) StreamSource(javax.xml.transform.stream.StreamSource) JAXBException(jakarta.xml.bind.JAXBException) DatabaseLogin(org.eclipse.persistence.sessions.DatabaseLogin) Project(org.eclipse.persistence.sessions.Project) DatabaseSessionImpl(org.eclipse.persistence.internal.sessions.DatabaseSessionImpl) MetadataProcessor(org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor) Map(java.util.Map) HashMap(java.util.HashMap)

Example 63 with DatabaseSessionImpl

use of org.eclipse.persistence.internal.sessions.DatabaseSessionImpl in project eclipselink by eclipse-ee4j.

the class OptLockTestSuite method buildSessions.

@Override
public void buildSessions() {
    XRDynamicClassLoader xrdecl = new XRDynamicClassLoader(parentClassLoader);
    DatasourceLogin login = new DatabaseLogin();
    login.setUserName(username);
    login.setPassword(password);
    ((DatabaseLogin) login).setConnectionString(url);
    ((DatabaseLogin) login).setDriverClassName(DATABASE_PLATFORM);
    Platform platform = builder.getDatabasePlatform();
    ConversionManager conversionManager = platform.getConversionManager();
    if (conversionManager != null) {
        conversionManager.setLoader(xrdecl);
    }
    login.setDatasourcePlatform(platform);
    ((DatabaseLogin) login).bindAllParameters();
    ((DatabaseLogin) login).setUsesStreamsForBinding(true);
    Project orProject = null;
    if (DBWS_OR_STREAM.size() != 0) {
        MetadataProcessor processor = new MetadataProcessor(new XRPersistenceUnitInfo(xrdecl), new DatabaseSessionImpl(login), xrdecl, false, true, false, false, false, null, null);
        processor.setMetadataSource(new JPAMetadataSource(xrdecl, new StringReader(DBWS_OR_STREAM.toString())));
        PersistenceUnitProcessor.processORMetadata(processor, true, PersistenceUnitProcessor.Mode.ALL);
        processor.addNamedQueries();
        orProject = processor.getProject().getProject();
    } else {
        orProject = new Project();
    }
    orProject.setName(builder.getProjectName().concat(OR_PRJ_SUFFIX));
    orProject.setDatasourceLogin(login);
    DatabaseSession databaseSession = orProject.createDatabaseSession();
    if ("off".equalsIgnoreCase(builder.getLogLevel())) {
        databaseSession.dontLogMessages();
    } else {
        databaseSession.setLogLevel(AbstractSessionLog.translateStringToLoggingLevel(builder.getLogLevel()));
    }
    xrService.setORSession(databaseSession);
    orProject.convertClassNamesToClasses(xrdecl);
    Project oxProject = null;
    Map<String, OXMMetadataSource> metadataMap = new HashMap<String, OXMMetadataSource>();
    StreamSource xml = new StreamSource(new StringReader(DBWS_OX_STREAM.toString()));
    try {
        JAXBContext jc = JAXBContext.newInstance(XmlBindingsModel.class);
        Unmarshaller unmarshaller = jc.createUnmarshaller();
        JAXBElement<XmlBindingsModel> jaxbElt = unmarshaller.unmarshal(xml, XmlBindingsModel.class);
        XmlBindingsModel model = jaxbElt.getValue();
        for (XmlBindings xmlBindings : model.getBindingsList()) {
            metadataMap.put(xmlBindings.getPackageName(), new OXMMetadataSource(xmlBindings));
        }
    } catch (JAXBException jaxbex) {
        jaxbex.printStackTrace();
    }
    Map<String, Map<String, OXMMetadataSource>> properties = new HashMap<String, Map<String, OXMMetadataSource>>();
    properties.put(JAXBContextProperties.OXM_METADATA_SOURCE, metadataMap);
    try {
        org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext jCtx = org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContextFactory.createContextFromOXM(parentClassLoader, properties);
        oxProject = jCtx.getXMLContext().getSession(0).getProject();
    } catch (JAXBException e) {
        e.printStackTrace();
    }
    ((XMLLogin) oxProject.getDatasourceLogin()).setPlatformClassName(DOM_PLATFORM_CLASSNAME);
    ((XMLLogin) oxProject.getDatasourceLogin()).setEqualNamespaceResolvers(false);
    prepareDescriptors(oxProject, orProject, xrdecl);
    ProjectHelper.fixOROXAccessors(orProject, oxProject);
    xrService.setORSession(databaseSession);
    xrService.setXMLContext(new XMLContext(oxProject));
    xrService.setOXSession(xrService.getXMLContext().getSession(0));
}
Also used : XmlBindings(org.eclipse.persistence.jaxb.xmlmodel.XmlBindings) Platform(org.eclipse.persistence.internal.databaseaccess.Platform) XMLPlatform(org.eclipse.persistence.platform.xml.XMLPlatform) DatabaseSession(org.eclipse.persistence.sessions.DatabaseSession) HashMap(java.util.HashMap) XRDynamicClassLoader(org.eclipse.persistence.internal.xr.XRDynamicClassLoader) XMLLogin(org.eclipse.persistence.oxm.XMLLogin) JAXBContext(jakarta.xml.bind.JAXBContext) StringReader(java.io.StringReader) ConversionManager(org.eclipse.persistence.internal.helper.ConversionManager) XmlBindingsModel(org.eclipse.persistence.internal.xr.XmlBindingsModel) Unmarshaller(jakarta.xml.bind.Unmarshaller) DatasourceLogin(org.eclipse.persistence.sessions.DatasourceLogin) XMLContext(org.eclipse.persistence.oxm.XMLContext) StreamSource(javax.xml.transform.stream.StreamSource) JAXBException(jakarta.xml.bind.JAXBException) DatabaseLogin(org.eclipse.persistence.sessions.DatabaseLogin) Project(org.eclipse.persistence.sessions.Project) DatabaseSessionImpl(org.eclipse.persistence.internal.sessions.DatabaseSessionImpl) MetadataProcessor(org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor) Map(java.util.Map) HashMap(java.util.HashMap)

Example 64 with DatabaseSessionImpl

use of org.eclipse.persistence.internal.sessions.DatabaseSessionImpl in project eclipselink by eclipse-ee4j.

the class RootCauseTestSuite method buildSessions.

@Override
public void buildSessions() {
    XRDynamicClassLoader xrdecl = new XRDynamicClassLoader(parentClassLoader);
    DatasourceLogin login = new DatabaseLogin();
    login.setUserName(username);
    login.setPassword(password);
    ((DatabaseLogin) login).setConnectionString(url);
    ((DatabaseLogin) login).setDriverClassName(DATABASE_PLATFORM);
    Platform platform = builder.getDatabasePlatform();
    ConversionManager conversionManager = platform.getConversionManager();
    if (conversionManager != null) {
        conversionManager.setLoader(xrdecl);
    }
    login.setDatasourcePlatform(platform);
    ((DatabaseLogin) login).bindAllParameters();
    ((DatabaseLogin) login).setUsesStreamsForBinding(true);
    Project orProject = null;
    if (DBWS_OR_STREAM.size() != 0) {
        MetadataProcessor processor = new MetadataProcessor(new XRPersistenceUnitInfo(xrdecl), new DatabaseSessionImpl(login), xrdecl, false, true, false, false, false, null, null);
        processor.setMetadataSource(new JPAMetadataSource(xrdecl, new StringReader(DBWS_OR_STREAM.toString())));
        PersistenceUnitProcessor.processORMetadata(processor, true, PersistenceUnitProcessor.Mode.ALL);
        processor.addNamedQueries();
        orProject = processor.getProject().getProject();
    } else {
        orProject = new Project();
    }
    orProject.setName(builder.getProjectName().concat(OR_PRJ_SUFFIX));
    orProject.setDatasourceLogin(login);
    DatabaseSession databaseSession = orProject.createDatabaseSession();
    if ("off".equalsIgnoreCase(builder.getLogLevel())) {
        databaseSession.dontLogMessages();
    } else {
        databaseSession.setLogLevel(AbstractSessionLog.translateStringToLoggingLevel(builder.getLogLevel()));
    }
    xrService.setORSession(databaseSession);
    orProject.convertClassNamesToClasses(xrdecl);
    Project oxProject = null;
    Map<String, OXMMetadataSource> metadataMap = new HashMap<String, OXMMetadataSource>();
    StreamSource xml = new StreamSource(new StringReader(DBWS_OX_STREAM.toString()));
    try {
        JAXBContext jc = JAXBContext.newInstance(XmlBindingsModel.class);
        Unmarshaller unmarshaller = jc.createUnmarshaller();
        JAXBElement<XmlBindingsModel> jaxbElt = unmarshaller.unmarshal(xml, XmlBindingsModel.class);
        XmlBindingsModel model = jaxbElt.getValue();
        for (XmlBindings xmlBindings : model.getBindingsList()) {
            metadataMap.put(xmlBindings.getPackageName(), new OXMMetadataSource(xmlBindings));
        }
    } catch (JAXBException jaxbex) {
        jaxbex.printStackTrace();
    }
    Map<String, Map<String, OXMMetadataSource>> properties = new HashMap<String, Map<String, OXMMetadataSource>>();
    properties.put(JAXBContextProperties.OXM_METADATA_SOURCE, metadataMap);
    try {
        org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext jCtx = org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContextFactory.createContextFromOXM(parentClassLoader, properties);
        oxProject = jCtx.getXMLContext().getSession(0).getProject();
    } catch (JAXBException e) {
        e.printStackTrace();
    }
    ((XMLLogin) oxProject.getDatasourceLogin()).setPlatformClassName(DOM_PLATFORM_CLASSNAME);
    ((XMLLogin) oxProject.getDatasourceLogin()).setEqualNamespaceResolvers(false);
    prepareDescriptors(oxProject, orProject, xrdecl);
    ProjectHelper.fixOROXAccessors(orProject, oxProject);
    xrService.setORSession(databaseSession);
    xrService.setXMLContext(new XMLContext(oxProject));
    xrService.setOXSession(xrService.getXMLContext().getSession(0));
}
Also used : XmlBindings(org.eclipse.persistence.jaxb.xmlmodel.XmlBindings) Platform(org.eclipse.persistence.internal.databaseaccess.Platform) XMLPlatform(org.eclipse.persistence.platform.xml.XMLPlatform) DatabaseSession(org.eclipse.persistence.sessions.DatabaseSession) HashMap(java.util.HashMap) XRDynamicClassLoader(org.eclipse.persistence.internal.xr.XRDynamicClassLoader) XMLLogin(org.eclipse.persistence.oxm.XMLLogin) JAXBContext(jakarta.xml.bind.JAXBContext) StringReader(java.io.StringReader) ConversionManager(org.eclipse.persistence.internal.helper.ConversionManager) XmlBindingsModel(org.eclipse.persistence.internal.xr.XmlBindingsModel) Unmarshaller(jakarta.xml.bind.Unmarshaller) DatasourceLogin(org.eclipse.persistence.sessions.DatasourceLogin) XMLContext(org.eclipse.persistence.oxm.XMLContext) StreamSource(javax.xml.transform.stream.StreamSource) JAXBException(jakarta.xml.bind.JAXBException) DatabaseLogin(org.eclipse.persistence.sessions.DatabaseLogin) Project(org.eclipse.persistence.sessions.Project) DatabaseSessionImpl(org.eclipse.persistence.internal.sessions.DatabaseSessionImpl) MetadataProcessor(org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor) Map(java.util.Map) HashMap(java.util.HashMap)

Aggregations

DatabaseSessionImpl (org.eclipse.persistence.internal.sessions.DatabaseSessionImpl)64 ClassDescriptor (org.eclipse.persistence.descriptors.ClassDescriptor)18 EntityManager (jakarta.persistence.EntityManager)15 HashMap (java.util.HashMap)14 DatabaseSession (org.eclipse.persistence.sessions.DatabaseSession)14 Map (java.util.Map)13 DatabaseLogin (org.eclipse.persistence.sessions.DatabaseLogin)13 Project (org.eclipse.persistence.sessions.Project)12 StringReader (java.io.StringReader)9 StreamSource (javax.xml.transform.stream.StreamSource)9 Platform (org.eclipse.persistence.internal.databaseaccess.Platform)9 MetadataProcessor (org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor)9 AbstractSession (org.eclipse.persistence.internal.sessions.AbstractSession)9 XMLContext (org.eclipse.persistence.oxm.XMLContext)9 DatasourceLogin (org.eclipse.persistence.sessions.DatasourceLogin)9 JAXBContext (jakarta.xml.bind.JAXBContext)8 JAXBException (jakarta.xml.bind.JAXBException)8 Unmarshaller (jakarta.xml.bind.Unmarshaller)8 ConversionManager (org.eclipse.persistence.internal.helper.ConversionManager)8 XRDynamicClassLoader (org.eclipse.persistence.internal.xr.XRDynamicClassLoader)8
About Me
UseOf

Java Tutorials :

Simple Java RabbitMQ Example with Spring
Simple Springboot JPA Eclipeslink Example
Simple SpringBoot JPA Hibernate Example
Jackson JSON @JsonIgnore and @JsonIgnoreProperties Examples
Java Infinite recursion (StackOverflowError) Jackson solutions
Simple Java Jackson Serialize Objects to JSON and convert them back To Object
ElasticSearch 5 - Upload files using Java API in binary field Example
Java JAXB marshall unmarshall Examples from String and Stream
Java 8 forEach List and Map examples
ElasticSearch 5 Java API SearchRequestBuilder examples
Java ElasticSearch 5 examples with node index and mapping - running local
Convert String to int or Integer Java 8
Java 9 in action - JShell - Ubuntu
Java - removing invalid characters from a file name
Hello world!? or Hello Tutorial