Example usage for com.google.gwt.core.ext.typeinfo JField isEnumConstant

Introduction

In this page you can find the example usage for com.google.gwt.core.ext.typeinfo JField isEnumConstant.

Prototype

JEnumConstant isEnumConstant();

Source Link

Usage

From source file:org.jboss.errai.bus.rebind.BusClientConfigGenerator.java

License:Apache License

private void generateMarshaller(JClassType visit, TreeLogger logger, SourceWriter writer) {
    Boolean enumType = visit.isEnum() != null;
    Map<String, Class> types = new HashMap<String, Class>();
    Map<String, ValueExtractor> getters = new HashMap<String, ValueExtractor>();
    Map<String, ValueBinder> setters = new HashMap<String, ValueBinder>();
    Map<Class, Integer> arrayConverters = new HashMap<Class, Integer>();

    try {/*from  w w w .  j  a v a2 s  . c  om*/
        JClassType scan = visit;

        do {
            for (JField f : scan.getFields()) {
                if (f.isTransient() || f.isStatic() || f.isEnumConstant() != null)
                    continue;

                JClassType type = f.getType().isClassOrInterface();
                JMethod getterMeth;
                JMethod setterMeth;
                if (type == null) {
                    JPrimitiveType pType = f.getType().isPrimitive();
                    Class c;
                    if (pType == null) {
                        JArrayType aType = f.getType().isArray();
                        if (aType == null)
                            continue;

                        String name = aType.getQualifiedBinaryName();
                        int depth = 0;
                        for (int i = 0; i < name.length(); i++) {
                            if (name.charAt(i) == '[')
                                depth++;
                            else
                                break;
                        }

                        types.put(f.getName(), c = Class.forName(name.substring(0, depth)
                                + getInternalRep(aType.getQualifiedBinaryName().substring(depth))));

                        arrayConverters.put(c, depth);

                    } else {
                        types.put(f.getName(), c = ParseTools
                                .unboxPrimitive(Class.forName(pType.getQualifiedBoxedSourceName())));
                    }
                } else {

                    types.put(f.getName(), Class.forName(type.getQualifiedBinaryName()));
                }

                getterMeth = getAccessorMethod(visit, f);
                setterMeth = getSetterMethod(visit, f);

                if (getterMeth == null) {
                    if (f.isPublic()) {
                        getters.put(f.getName(), new ValueExtractor(f));
                    } else if (visit == scan) {
                        throw new GenerationException("could not find a read accessor in class: "
                                + visit.getQualifiedSourceName() + "; for field: " + f.getName()
                                + "; should declare an accessor: " + ReflectionUtil.getGetter(f.getName()));
                    }
                } else {
                    getters.put(f.getName(), new ValueExtractor(getterMeth));
                }

                if (setterMeth == null) {
                    if (f.isPublic()) {
                        setters.put(f.getName(), new ValueBinder(f));
                    } else if (visit == scan) {
                        throw new GenerationException("could not find a write accessor in class: "
                                + visit.getQualifiedSourceName() + "; for field: " + f.getName()
                                + "; should declare an accessor: " + ReflectionUtil.getSetter(f.getName()));
                    }
                } else {
                    setters.put(f.getName(), new ValueBinder(setterMeth));
                }

            }
        } while ((scan = scan.getSuperclass()) != null
                && !scan.getQualifiedSourceName().equals("java.lang.Object"));

    } catch (ClassNotFoundException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }

    try {
        if (!enumType)
            visit.getConstructor(new JClassType[0]);
    } catch (NotFoundException e) {
        String errorMsg = "Type marked for serialization does not expose a default constructor: "
                + visit.getQualifiedSourceName();
        logger.log(TreeLogger.Type.ERROR, errorMsg, e);
        throw new GenerationException(errorMsg, e);
    }

    Map<String, Object> templateVars = Make.Map.<String, Object>$()
            ._("className", visit.getQualifiedSourceName())
            ._("canonicalClassName", visit.getQualifiedBinaryName())._("fields", types.keySet())
            ._("targetTypes", types)._("getters", getters)._("setters", setters)
            ._("arrayConverters", arrayConverters)._("enumType", enumType)._();

    String genStr;

    writer.print(genStr = (String) execute(demarshallerGenerator, templateVars));

    log.debug("generated demarshaller: \n" + genStr);

    logger.log(TreeLogger.Type.INFO, genStr);

    writer.print(genStr = (String) execute(marshallerGenerator, templateVars));

    log.debug("generated marshaller: \n" + genStr);

    logger.log(TreeLogger.Type.INFO, genStr);
    logger.log(TreeLogger.Type.INFO, "Generated marshaller/demarshaller for: " + visit.getName());
}

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