Examples of org.eclipse.persistence.internal.helper.ConversionManager

Package org.eclipse.persistence.internal.helper

Examples of org.eclipse.persistence.internal.helper.ConversionManager

org.eclipse.persistence.internal.helper.ConversionManager
Purpose: Contains the conversion routines for some common classes in the system. Primarily used to convert objects from a given database type to a different type in Java. Uses a singleton instance, this is also used from the platform.
Responsibilities:
- Execute the appropriate conversion routine.

    private java.lang.annotation.Annotation[] getAnnotations(TypeMappingInfo tmInfo) {
        if (tmInfo.getXmlElement() != null) {
            ClassLoader loader = helper.getClassLoader();
            // create a single ConversionManager for that will be shared by the
            // proxy objects
            ConversionManager cMgr = new ConversionManager();
            cMgr.setLoader(loader);


            // unmarshal the node into an XmlElement
            org.eclipse.persistence.jaxb.xmlmodel.XmlElement xElt = (org.eclipse.persistence.jaxb.xmlmodel.XmlElement) CompilerHelper.getXmlElement(tmInfo.getXmlElement(), loader);
            List annotations = new ArrayList();
            // where applicable, a given dynamic proxy will contain a Map of

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            }
        }


        private JAXBContextState createContextState(Generator generator, JaxbClassLoader loader, Type[] typesToBeBound, Map properties) throws Exception {
            CoreProject proj = generator.generateProject();
            ConversionManager conversionManager = null;
            if (classLoader != null) {
                conversionManager = new ConversionManager();
                conversionManager.setLoader(loader);
            } else {
                conversionManager = ConversionManager.getDefaultManager();
            }
            proj.convertClassNamesToClasses(conversionManager.getLoader());
            // need to make sure that the java class is set properly on each
            // descriptor when using java classname - req'd for JOT api implementation
            for (Iterator<ClassDescriptor> descriptorIt = proj.getOrderedDescriptors().iterator(); descriptorIt.hasNext();) {
                ClassDescriptor descriptor = descriptorIt.next();
                if (descriptor.getJavaClass() == null) {
                    descriptor.setJavaClass(conversionManager.convertClassNameToClass(descriptor.getJavaClassName()));
                }
            }




            XMLPlatform platform = new SAXPlatform();

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        ClassLoader cl = null;
        Login login = orProject.getDatasourceLogin();
        if (login != null) {
            Platform platform = login.getDatasourcePlatform();
            if (platform != null) {
                ConversionManager conversionManager = platform.getConversionManager();
                if (conversionManager != null) {
                    cl = conversionManager.getLoader();
                }
            }
        }
        if (cl != null && cl instanceof BaseEntityClassLoader) {
            BaseEntityClassLoader becl = (BaseEntityClassLoader)cl;
            becl.dontGenerateSubclasses();
        }
        cl = null;
        login = oxProject.getDatasourceLogin();
        if (login != null) {
            Platform platform = login.getDatasourcePlatform();
            if (platform != null) {
                ConversionManager conversionManager = platform.getConversionManager();
                if (conversionManager != null) {
                    cl = conversionManager.getLoader();
                }
            }
        }
        if (cl != null && cl instanceof BaseEntityClassLoader) {
            BaseEntityClassLoader becl = (BaseEntityClassLoader)cl;

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     * Used for batch reading, most following same order and fields as in the mapping.
     */
    protected Vector extractPrimaryKeyFromRow(AbstractRecord row, AbstractSession session) {
        int size = sourceKeyFields.size();
        Vector key = new Vector(size);
        ConversionManager conversionManager = session.getDatasourcePlatform().getConversionManager();


        for (int index=0; index < size; index++) {
            DatabaseField field = sourceKeyFields.get(index);
            Object value = row.get(field);


            // Must ensure the classification gets a cache hit.
            try {
                value = conversionManager.convertObject(value, field.getType());
            } catch (ConversionException e) {
                throw ConversionException.couldNotBeConverted(this, getDescriptor(), e);
            }


            key.addElement(value);

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     * Used for batch reading, most following same order and fields as in the mapping.
     */
    protected Vector extractSourceKeyFromRow(AbstractRecord row, AbstractSession session) {
        int size = sourceKeyFields.size();
        Vector key = new Vector(size);
        ConversionManager conversionManager = session.getDatasourcePlatform().getConversionManager();


        for (int index = 0; index < size; index++) {
            DatabaseField targetField = targetForeignKeyFields.get(index);
            DatabaseField sourceField = sourceKeyFields.get(index);
            Object value = row.get(targetField);


            // Must ensure the classification gets a cache hit.
            try {
                value = conversionManager.convertObject(value, sourceField.getType());
            } catch (ConversionException e) {
                throw ConversionException.couldNotBeConverted(this, getDescriptor(), e);
            }


            key.addElement(value);

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      if (fileOrResourceName.toLowerCase().indexOf(".mwp") != -1) {
            throw ValidationException.invalidFileName(fileOrResourceName);
        }
        InputStream fileStream = null;
        if (classLoader == null) {
            fileStream = (new ConversionManager()).getLoader().getResourceAsStream(fileOrResourceName);
        } else {
            fileStream = classLoader.getResourceAsStream(fileOrResourceName);
        }
        if (fileStream == null) {
            File file = new File(fileOrResourceName);

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        XMLContext xmlContext = null;
        JaxbClassLoader loader = new JaxbClassLoader(classLoader);
        Generator generator = new Generator(new JavaModelInputImpl(classesToBeBound, new JavaModelImpl(loader)));
        try {
            Project proj = generator.generateProject();
            ConversionManager conversionManager = null;
            if (classLoader != null) {
                conversionManager = new ConversionManager();
                conversionManager.setLoader(loader);
            } else {
                conversionManager = ConversionManager.getDefaultManager();
            }
            // need to make sure that the java class is set properly on each 
            // descriptor when using java classname - req'd for JOT api implementation 
            for (Iterator<ClassDescriptor> descriptorIt = proj.getOrderedDescriptors().iterator(); descriptorIt.hasNext();) {
                ClassDescriptor descriptor = descriptorIt.next();
                if (descriptor.getJavaClass() == null) {
                    descriptor.setJavaClass(conversionManager.convertClassNameToClass(descriptor.getJavaClassName()));
                }
            }
            xmlContext = new XMLContext(proj, loader);
            jaxbContext = new org.eclipse.persistence.jaxb.JAXBContext(xmlContext, generator);
        } catch (Exception ex) {

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            }
        }


        private JAXBContextState createContextState(Generator generator, JaxbClassLoader loader, TypeMappingInfo[] typesToBeBound, Map properties) throws Exception {
          CoreProject proj = generator.generateProject();
            ConversionManager conversionManager = null;
            if (classLoader != null) {
                conversionManager = new ConversionManager();
                conversionManager.setLoader(loader);
            } else {
                conversionManager = ConversionManager.getDefaultManager();
            }
            proj.convertClassNamesToClasses(conversionManager.getLoader());
            // need to make sure that the java class is set properly on each
            // descriptor when using java classname - req'd for JOT api implementation
            for (Iterator<ClassDescriptor> descriptorIt = proj.getOrderedDescriptors().iterator(); descriptorIt.hasNext();) {
                ClassDescriptor descriptor = descriptorIt.next();
                if (descriptor.getJavaClass() == null) {
                    descriptor.setJavaClass(conversionManager.convertClassNameToClass(descriptor.getJavaClassName()));
                }
            }


            XMLPlatform platform = new SAXPlatform();
            platform.getConversionManager().setLoader(loader);

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    private java.lang.annotation.Annotation[] getAnnotations(TypeMappingInfo tmInfo) {
        if (tmInfo.getXmlElement() != null) {
            ClassLoader loader = helper.getClassLoader();
            // create a single ConversionManager for that will be shared by the
            // proxy objects
            ConversionManager cMgr = new ConversionManager();
            cMgr.setLoader(loader);


            // unmarshal the node into an XmlElement
            org.eclipse.persistence.jaxb.xmlmodel.XmlElement xElt = (org.eclipse.persistence.jaxb.xmlmodel.XmlElement) CompilerHelper.getXmlElement(tmInfo.getXmlElement(), loader);
            List annotations = new ArrayList();
            // where applicable, a given dynamic proxy will contain a Map of

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     */
    protected SessionLog buildJavaLogConfig(JavaLogConfig javaLogConfig, AbstractSession session) {
        SessionLog javaLog = null;
        try {
            // use ConversionManager to avoid loading the JDK 1.4 class unless it is needed.
            ConversionManager conversionManager = new ConversionManager();
            conversionManager.setLoader(getClass().getClassLoader());
            javaLog = (SessionLog)((Class)conversionManager.convertObject("org.eclipse.persistence.logging.JavaLog", Class.class)).newInstance();
            javaLog.setSession(session);
        } catch (Exception exception) {
            throw ValidationException.unableToLoadClass("org.eclipse.persistence.logging.JavaLog", exception);
        }

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