Examples of org.eclipse.persistence.internal.jaxb.JaxbClassLoader

Package org.eclipse.persistence.internal.jaxb

Examples of org.eclipse.persistence.internal.jaxb.JaxbClassLoader

org.eclipse.persistence.internal.jaxb.JaxbClassLoader
INTERNAL:
Purpose:Provide a ClassLoader implementation to allow the definition of ASM generated wrapper classes, and to lookup those classes when required.
Responsibilities:
- Wrap the provided ClassLoader and pass method calls along
- Maintain a map of generated wrapper classes and attempt lookups in that map if a class isn't found in the nested loader
- Provide a public API to define a class from an array of bytes and a class name
This class is a ClassLoader implementation that maintains a map of wrapper classes generated during JAXB generation. If a class is not found in the nested classLoader, then the map of generated classes is checked. @author mmacivor

        cw.visitAttribute(attr);
            
        cw.visitEnd();               
        
        byte[] classBytes =cw.toByteArray();
        JaxbClassLoader loader = (JaxbClassLoader)helper.getClassLoader();   
        Class generatedClass = loader.generateClass(className, classBytes);
        return generatedClass;      
    }

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        cw.visitEnd();
        
        byte[] classBytes = cw.toByteArray();


        JaxbClassLoader loader = (JaxbClassLoader)helper.getClassLoader();
        Class generatedClass = loader.generateClass(className, classBytes);
        return generatedClass;
    }

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        // Check properties map for eclipselink-oxm.xml entries
        Map<String, XmlBindings> xmlBindings = getXmlBindingsFromProperties(properties, classLoader);
        for (String key : xmlBindings.keySet()) {
            classesToBeBound = getXmlBindingsClasses(xmlBindings.get(key), classLoader, classesToBeBound);
        }
        JaxbClassLoader loader = new JaxbClassLoader(classLoader, classesToBeBound);
        classesToBeBound = updateClassesWithObjectFactory(classesToBeBound, loader);
        try {
            Generator generator = new Generator(new JavaModelInputImpl(classesToBeBound, new JavaModelImpl(loader)), xmlBindings, classLoader);
            return createContext(generator, properties, classLoader, loader, classesToBeBound);
        } catch (Exception ex) {

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        Map<String, XmlBindings> xmlBindings = getXmlBindingsFromProperties(properties, classLoader);
        for (String key : xmlBindings.keySet()) {
            typesToBeBound = getXmlBindingsClasses(xmlBindings.get(key), classLoader, typesToBeBound);
        }
        
        JaxbClassLoader loader = new JaxbClassLoader(classLoader, typesToBeBound);
        typesToBeBound = updateTypesWithObjectFactory(typesToBeBound, loader);
        JavaModelInputImpl inputImpl = new JavaModelInputImpl(typesToBeBound, new JavaModelImpl(loader));
        try {
            Generator generator = new Generator(inputImpl, inputImpl.getJavaClassToType(), xmlBindings, classLoader);
            return createContext(generator, properties, classLoader, loader, typesToBeBound);

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        }
        
        return createContext(types, properties, classLoader);
    }
    private static javax.xml.bind.JAXBContext createContext(Class[] classesToBeBound, java.util.Map properties, ClassLoader classLoader, Map<String, XmlBindings> xmlBindings) throws JAXBException {
        JaxbClassLoader loader = new JaxbClassLoader(classLoader, classesToBeBound);      
        try {
            Generator generator = new Generator(new JavaModelInputImpl(classesToBeBound, new JavaModelImpl(loader)), xmlBindings, loader);
            return createContext(generator, properties, classLoader, loader, classesToBeBound);
        } catch (Exception ex) {
            throw new JAXBException(ex.getMessage(), ex);

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        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }


    private Class generateClassFromBytes(String className, byte[] classBytes) {
        JaxbClassLoader loader = (JaxbClassLoader) helper.getClassLoader();
        Class generatedClass = loader.generateClass(className, classBytes);
        return generatedClass;
    }

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         * This means of creating a JAXBContext is aimed at creating a JAXBContext
         * based on method parameters.  This method is useful when JAXB is used as
         * the binding layer for a Web Service provider.
         */
        private JAXBContextState createContextState(Class[] classesToBeBound, Map<String, XmlBindings> xmlBindings) throws javax.xml.bind.JAXBException {
            JaxbClassLoader loader = new JaxbClassLoader(classLoader, classesToBeBound);
            String defaultTargetNamespace = null;
            AnnotationHelper annotationHelper = null;
            if(properties != null) {
                defaultTargetNamespace = (String)properties.get(JAXBContextFactory.DEFAULT_TARGET_NAMESPACE_KEY);
                annotationHelper = (AnnotationHelper)properties.get(JAXBContextFactory.ANNOTATION_HELPER_KEY);

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            TypeMappingInfo[] typesToBeBound = typeMappingInfo;
            for (Entry<String, XmlBindings> entry : xmlBindings.entrySet()) {
                typesToBeBound = getXmlBindingsClasses(entry.getValue(), classLoader, typesToBeBound);
            }


            JaxbClassLoader loader = new JaxbClassLoader(classLoader, typesToBeBound);


            JavaModelImpl jModel;
            if(annotationHelper != null) {
                jModel = new JavaModelImpl(loader, annotationHelper);
            } else {

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        }


        TypeMappingInfo tmi = nextElement.getTypeMappingInfo();
        Class generatedClass = null;


        JaxbClassLoader loader = getJaxbClassLoader();


        if(tmi != null){
            generatedClass = CompilerHelper.getExisitingGeneratedClass(tmi, typeMappingInfoToGeneratedClasses, typeMappingInfoToAdapterClasses, helper.getClassLoader());
            if(generatedClass == null){
              generatedClass = this.generateWrapperClass(loader.nextAvailableGeneratedClassName(), attributeTypeName, nextElement.isList(), next);
            }


            typeMappingInfoToGeneratedClasses.put(tmi, generatedClass);
        }else{
            generatedClass = this.generateWrapperClass(loader.nextAvailableGeneratedClassName(), attributeTypeName, nextElement.isList(), next);
        }


          this.qNamesToGeneratedClasses.put(next, generatedClass);
          try{
              Class declaredClass = PrivilegedAccessHelper.getClassForName(nextClassName, false, helper.getClassLoader());

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        byte[] classBytes = cw.toByteArray();
        return generateClassFromBytes(qualifiedClassName, classBytes);
    }


    private Class generateClassFromBytes(String className, byte[] classBytes) {
        JaxbClassLoader loader = (JaxbClassLoader) helper.getClassLoader();
        Class generatedClass = loader.generateClass(className, classBytes);
        return generatedClass;


    }

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