Example usage for java.lang.reflect Field getType

Introduction

In this page you can find the example usage for java.lang.reflect Field getType.

Prototype

public Class<?> getType() 

Source Link

Document

Returns a Class object that identifies the declared type for the field represented by this Field object.

Usage

From source file:cop.raml.mocks.MockUtils.java

private static TypeElementMock createClassElement(@NotNull Class<?> cls) throws ClassNotFoundException {
    TypeElementMock element = new TypeElementMock(cls.getName(), ElementKind.CLASS);
    element.setType(new TypeMirrorMock(element, TypeMirrorMock.getTypeKind(cls)));

    if (cls.getName().startsWith("cop.") || cls.getName().startsWith("spring.")) {
        VariableElementMock var;

        for (Field field : cls.getDeclaredFields())
            if ((var = createVariable(field.getName(), field.getType(),
                    Modifier.isStatic(field.getModifiers()))) != null)
                element.addEnclosedElement(setAnnotations(var, field));

        ExecutableElementMock exe;/*from  ww w.  j a v a 2s  .  c  o m*/

        for (Method method : cls.getDeclaredMethods())
            if ((exe = createExecutable(method)) != null)
                element.addEnclosedElement(setAnnotations(exe, method));
    }

    return setAnnotations(element, cls);
}

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From source file:ClassTree.java

/**
 * Returns a description of the fields of a class.
 * @param the class to be described/*from www .  ja v a2  s. c om*/
 * @return a string containing all field types and names
 */
public static String getFieldDescription(Class<?> c) {
    // use reflection to find types and names of fields
    StringBuilder r = new StringBuilder();
    Field[] fields = c.getDeclaredFields();
    for (int i = 0; i < fields.length; i++) {
        Field f = fields[i];
        if ((f.getModifiers() & Modifier.STATIC) != 0)
            r.append("static ");
        r.append(f.getType().getName());
        r.append(" ");
        r.append(f.getName());
        r.append("\n");
    }
    return r.toString();
}

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From source file:utils.ReflectionService.java

public static Map createClassModel(Class clazz, int maxDeep) {
    Map map = new HashMap();
    for (Field field : clazz.getDeclaredFields()) {
        field.setAccessible(true);//from   w  w w . j av  a  2 s. c o m
        String key = field.getName();
        try {
            Class<?> type;
            if (Collection.class.isAssignableFrom(field.getType())) {
                ParameterizedType collectionType = (ParameterizedType) field.getGenericType();
                type = (Class<?>) collectionType.getActualTypeArguments()[0];
            } else {
                type = field.getType();
            }

            //            System.out.println(key + " ReflectionResource.createClassModel ==== putting type: " + field.getType().getName() + ", static: "
            //            + Modifier.isStatic(field.getModifiers()) + ", enum: " + type.isEnum() + ", java.*: " + type.getName().startsWith("java"));

            if (Modifier.isStatic(field.getModifiers())) {
                continue;
            } else if (type.isEnum()) {
                map.put(key, Enum.class.getName());
            } else if (!type.getName().startsWith("java") && !key.startsWith("_") && maxDeep > 0) {
                map.put(key, createClassModel(type, maxDeep - 1));
            } else {
                map.put(key, type.getName());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return map;
}

---

From source file:org.mstc.zmq.json.Encoder.java

public static String encode(Object o) throws IOException {
    StringWriter writer = new StringWriter();
    ObjectMapper mapper = new ObjectMapper();
    mapper.enable(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS);
    JsonFactory factory = mapper.getFactory();
    try (JsonGenerator g = factory.createGenerator(writer)) {
        g.writeStartObject();/*from w  w w .  j a  va2  s .  c  o m*/
        for (Field f : o.getClass().getDeclaredFields()) {
            try {
                f.setAccessible(true);
                Object value = f.get(o);
                if (value != null) {
                    if (f.getType().isAssignableFrom(List.class)) {
                        String items = mapper.writeValueAsString(value);
                        g.writeStringField(f.getName(), items);
                    } else if (f.getType().isArray()) {
                        if (f.getType().getComponentType().isAssignableFrom(byte.class)) {
                            g.writeBinaryField(f.getName(), (byte[]) value);
                        } else {
                            int length = Array.getLength(value);
                            g.writeFieldName(f.getName());
                            g.writeStartArray();
                            for (int i = 0; i < length; i++) {
                                Object av = Array.get(value, i);
                                if (av instanceof Double) {
                                    g.writeNumber(new BigDecimal((Double) av).toPlainString());
                                } else if (av instanceof Float) {
                                    g.writeNumber(new BigDecimal((Float) av).toPlainString());
                                } else if (av instanceof Integer) {
                                    g.writeNumber(new BigDecimal((Integer) av).toPlainString());
                                } else {
                                    g.writeObject(av);
                                }
                                /*if (av instanceof Double)
                                g.writeNumber(new BigDecimal((Double) av));
                                else if (av instanceof Float)
                                g.writeNumber(new BigDecimal((Float) av));
                                else if (av instanceof Integer)
                                g.writeNumber((Integer) av);*/
                            }
                            g.writeEndArray();
                        }
                    } else {
                        g.writeObjectField(f.getName(), value);
                    }
                }

            } catch (IllegalAccessException e) {
                logger.warn("Could not get field: {}", f.getName(), e);
            }
        }
        g.writeEndObject();
    }
    if (logger.isDebugEnabled())
        logger.debug(writer.toString());
    return writer.toString();
}

---

From source file:gr.abiss.calipso.tiers.util.ModelContext.java

public static ModelContext from(Field field) {
    Class<?> domainClass = field.getType();
    if (Collection.class.isAssignableFrom(domainClass)) {
        domainClass = GenericCollectionTypeResolver.getCollectionFieldType(field);
    }//from  ww  w .ja v  a2  s . c o  m
    return from(domainClass);
}

---

From source file:edu.usu.sdl.openstorefront.core.util.EntityUtil.java

/**
 * This only support updating NON-composite keys.
 *
 * @param <T>//from  ww  w. ja  v  a  2  s. c  om
 * @param entity
 * @param value
 */
public static <T extends BaseEntity> void updatePKFieldValue(T entity, String value) {
    Field field = getPKField(entity);
    if (field != null) {
        if (isSubClass("BasePK", field.getType()) == false) {
            try {
                field.setAccessible(true);
                field.set(entity, value);
            } catch (IllegalArgumentException | IllegalAccessException ex) {
                throw new OpenStorefrontRuntimeException(
                        "Unable to set value on " + entity.getClass().getName(), "Check entity passed in.");
            }
        } else {
            throw new OpenStorefrontRuntimeException(
                    "Set value on Composite PK is not supported. Entity:  " + entity.getClass().getName(),
                    "Check entity passed in.");
        }
    } else {
        throw new OpenStorefrontRuntimeException("Unable to find PK for enity: " + entity.getClass().getName(),
                "Check entity passed in.");
    }
}

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From source file:com.madrobot.di.Converter.java

public static void storeValue(final JSONObject jsonObject, final String key, Object value, final Field field)
        throws JSONException {

    Class<?> classType = field.getType();

    if (clzTypeKeyMap.containsKey(classType)) {
        final int code = clzTypeKeyMap.get(classType);
        switch (code) {
        case TYPE_STRING:
        case TYPE_SHORT:
        case TYPE_INT:
        case TYPE_LONG:
        case TYPE_CHAR:
        case TYPE_FLOAT:
        case TYPE_DOUBLE:
            break;
        case TYPE_BOOLEAN:
            Boolean userValue = (Boolean) value;
            if (field.isAnnotationPresent(BooleanFormat.class)) {
                BooleanFormat formatAnnotation = field.getAnnotation(BooleanFormat.class);
                String trueFormat = formatAnnotation.trueFormat();
                String falseFormat = formatAnnotation.falseFormat();
                if (userValue) {
                    value = trueFormat;/*from  www  . j  a  va 2 s .  c  o  m*/
                } else {
                    value = falseFormat;
                }
            } else {
                value = userValue;
            }
            break;
        case TYPE_DATE:
            Date date = (Date) value;
            SimpleDateFormat simpleDateFormat = null;
            if (field.isAnnotationPresent(com.madrobot.di.wizard.json.annotations.DateFormat.class)) {
                com.madrobot.di.wizard.json.annotations.DateFormat formatAnnotation = field
                        .getAnnotation(com.madrobot.di.wizard.json.annotations.DateFormat.class);
                String dateFormat = formatAnnotation.format();
                simpleDateFormat = new SimpleDateFormat(dateFormat);
            } else {
                simpleDateFormat = new SimpleDateFormat();
            }
            value = simpleDateFormat.format(date);
            break;
        }
        jsonObject.put(key, value);
    }
}

---

From source file:com.github.juanmf.java2plant.Parser.java

protected static void addAggregation(Set<Relation> relations, Class<?> fromType, Field f) {
    Class<?> delegateType = f.getType();
    String varName = f.getName();
    String message = varName + ": " + TypesHelper.getSimpleName(f.getGenericType().toString());
    String toCardinal = "1";
    String toName = delegateType.getName();
    if (isMulti(delegateType)) {
        toCardinal = "*";
        if (!delegateType.isArray()) {
            Set<String> typeVars = getTypeParams(f);
            for (String type : typeVars) {
                Relation aggregation = new Aggregation(fromType, type, f, toCardinal, message);
                relations.add(aggregation);
            }//from  www . jav  a  2  s  . co m
            return;
        }
        toName = CanonicalName.getClassName(delegateType.getName());
    }
    Relation aggregation = new Aggregation(fromType, toName, f, toCardinal, message);
    relations.add(aggregation);
}

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From source file:gr.abiss.calipso.jpasearch.specifications.GenericSpecifications.java

private static IPredicateFactory<?> getPredicateFactoryForClass(Field field) {
    Class clazz = field.getType();
    if (clazz.isEnum()) {
        return new EnumStringPredicateFactory(clazz);
    } else if (Persistable.class.isAssignableFrom(clazz)) {
        if (field.isAnnotationPresent(CurrentPrincipalIdPredicate.class)) {
            return currentPrincipalPredicateFactory;
        } else {//w w  w .  j  a v a  2 s. c o  m
            return anyToOnePredicateFactory;
        }
    } else {
        return factoryForClassMap.get(clazz);
    }
}

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From source file:edu.mayo.cts2.framework.model.util.ModelUtils.java

public static ChangeableResource createChangeableResource(IsChangeable changeable) {
    ChangeableResource choice = new ChangeableResource();

    for (Field field : choice.getClass().getDeclaredFields()) {
        if (field.getType().equals(changeable.getClass()) || field.getName().equals("_choiceValue")) {
            field.setAccessible(true);/* w  ww. j  a  v a  2s. c  om*/
            try {
                field.set(choice, changeable);
            } catch (IllegalArgumentException e) {
                throw new IllegalStateException(e);
            } catch (IllegalAccessException e) {
                throw new IllegalStateException(e);
            }
        }
    }

    return choice;
}

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