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:it.nicola_amatucci.util.Json.java

public static <T> JSONObject json_from_object(Object o, Class<T> objClass) throws Exception {
    JSONObject json = new JSONObject();
    Field[] fields = objClass.getFields();
    try {//from   w  w  w  .j a  va 2  s .  c  om
        for (Field field : fields) {
            //valore del campo
            try {
                String typeName = field.getType().getSimpleName();

                //in base al tipo richiamo l'opportuna funzione
                if (typeName.equals("String") || typeName.equals("boolean") || typeName.equals("int")
                        || typeName.equals("long") || typeName.equals("double")) {
                    json.put(field.getName(), objClass.getField(field.getName()).get(o));
                } else if (typeName.equals("Date")) {
                    json.put(field.getName(), new SimpleDateFormat(Json.DATA_FORMAT)
                            .format((java.util.Date) objClass.getField(field.getName()).get(o)));
                } else if (field.getType().isArray()) {
                    try {
                        JSONArray array = new JSONArray();

                        Class c = Class.forName(field.getType().getName()).getComponentType();
                        Object[] objArray = (Object[]) objClass.getField(field.getName()).get(o);
                        for (int i = 0; i < objArray.length; i++) {
                            array.put(json_from_object(objArray[i], c));
                        }
                        json.put(field.getName(), array);
                    } catch (Exception e) {
                        throw e;
                    }
                } else {
                    JSONObject jsonObj = json_from_object(objClass.getField(field.getName()).get(o),
                            field.getType());
                    json.put(field.getName(), jsonObj);
                }

            } catch (Exception e) {
                throw e;
            }

        }
    } catch (Exception e) {
        throw e;
    }

    return json;
}

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From source file:gov.va.vinci.leo.tools.LeoUtils.java

/**
 * Create the set of ConfigurationParameter objects from the Param class of an object.
 *
 * @param c Param class// w  w w  .j  ava2s .c  o  m
 * @return Set of ConfigurationParameter objects
 */
public static Set<ConfigurationParameter> getStaticConfigurationParameters(Class c) {
    Set<ConfigurationParameter> list = new HashSet<ConfigurationParameter>();
    Field[] fields = c.getFields();
    for (Field field : fields) {
        try {
            if (field.getType().equals(ConfigurationParameter.class)
                    && Modifier.isStatic(field.getModifiers())) {
                list.add((ConfigurationParameter) field.get(null));
            }
        } catch (IllegalAccessException e) {
            // Handle exception here
        }
    }
    return list;
}

---

From source file:IntrospectionUtil.java

public static Field findField(Class clazz, String targetName, Class targetType, boolean checkInheritance,
        boolean strictType) throws NoSuchFieldException {
    if (clazz == null)
        throw new NoSuchFieldException("No class");
    if (targetName == null)
        throw new NoSuchFieldException("No field name");

    try {//from www.j  a v a2  s. c o m
        Field field = clazz.getDeclaredField(targetName);
        if (strictType) {
            if (field.getType().equals(targetType))
                return field;
        } else {
            if (field.getType().isAssignableFrom(targetType))
                return field;
        }
        if (checkInheritance) {
            return findInheritedField(clazz.getPackage(), clazz.getSuperclass(), targetName, targetType,
                    strictType);
        } else
            throw new NoSuchFieldException("No field with name " + targetName + " in class " + clazz.getName()
                    + " of type " + targetType);
    } catch (NoSuchFieldException e) {
        return findInheritedField(clazz.getPackage(), clazz.getSuperclass(), targetName, targetType,
                strictType);
    }
}

---

From source file:lite.flow.util.ActivityInspector.java

protected static FieldInfo[] discoverParameters(Class<?> clazz) {
    Field[] fields = FieldUtils.getFieldsWithAnnotation(clazz, Parameter.class);
    FieldInfo[] fieldInfos = new FieldInfo[fields.length];
    for (int i = 0; i < fieldInfos.length; i++) {
        Field field = fields[i];
        fieldInfos[i] = new FieldInfo(field.getName(), field.getType());
    }//from   w w w.ja  v  a2s . c o  m

    return fieldInfos;
}

---

From source file:lite.flow.util.ActivityInspector.java

protected static FieldInfo[] discoverResources(Class<?> clazz) {
    Field[] fields = FieldUtils.getFieldsWithAnnotation(clazz, Resource.class);
    FieldInfo[] fieldInfos = new FieldInfo[fields.length];
    for (int i = 0; i < fieldInfos.length; i++) {
        Field field = fields[i];
        fieldInfos[i] = new FieldInfo(field.getName(), field.getType());
    }/*from  w w w.j  a  v  a 2s.c  o  m*/

    return fieldInfos;
}

---

From source file:org.fastmongo.odm.util.ReflectionUtils.java

/**
 * Attempt to find a {@link Field field} on the supplied {@link Class} with the
 * supplied {@code name} and/or {@link Class type}. Searches all superclasses
 * up to {@link Object}./*from  ww  w .  ja va 2 s .com*/
 *
 * @param clazz the class to introspect
 * @param name  the name of the field (may be {@code null} if type is specified)
 * @param type  the type of the field (may be {@code null} if name is specified)
 * @return the corresponding Field object, or {@code null} if not found
 */
public static Field findField(Class<?> clazz, String name, Class<?> type) {
    Class<?> searchType = clazz;
    while (!Object.class.equals(searchType) && searchType != null) {
        Field[] fields = searchType.getDeclaredFields();
        for (Field field : fields) {
            if ((name == null || name.equals(field.getName()))
                    && (type == null || type.equals(field.getType()))) {
                return field;
            }
        }
        searchType = searchType.getSuperclass();
    }
    return null;
}

---

From source file:com.jkoolcloud.tnt4j.streams.parsers.ActivityJavaObjectParser.java

private static Object getFieldValue(String[] path, Object dataObj, int i) {
    if (ArrayUtils.isEmpty(path) || dataObj == null) {
        return null;
    }//ww  w  .  j av a2  s .c  o  m

    try {
        Field f = dataObj.getClass().getDeclaredField(path[i]);
        Object obj = f.get(dataObj);

        if (i < path.length - 1 && !f.getType().isPrimitive()) {
            obj = getFieldValue(path, obj, ++i);
        }

        return obj;
    } catch (Exception exc) {
        LOGGER.log(OpLevel.WARNING,
                StreamsResources.getString(StreamsResources.RESOURCE_BUNDLE_NAME,
                        "ActivityJavaObjectParser.could.not.get.declared.field"),
                path[i], dataObj.getClass().getSimpleName(), toString(dataObj));
        return null;
    }
}

---

From source file:com.taobao.itest.spring.context.SpringContextManager.java

public static void registerBeanDefinition(Field field, ApplicationContext applicationContext) {
    @SuppressWarnings("deprecation")
    RootBeanDefinition beanDefinition = new RootBeanDefinition(field.getType(), true);
    beanDefinition.setAutowireMode(AbstractBeanDefinition.AUTOWIRE_BY_NAME);
    DefaultListableBeanFactory defaultListableBeanFactory = (DefaultListableBeanFactory) (applicationContext
            .getAutowireCapableBeanFactory());
    defaultListableBeanFactory.registerBeanDefinition(field.getName(), beanDefinition);
}

---

From source file:com.impetus.client.cassandra.common.CassandraUtilities.java

public static ByteBuffer toBytes(Object value, Field f) {
    return toBytes(value, f.getType());

}

---

From source file:jp.co.acroquest.endosnipe.perfdoctor.rule.RuleInstanceUtil.java

/**
 * ??//w w w. j  a  v  a2 s  . co  m
 * @param obj ?
 * @param fieldName ??
 * @param value 
 * @throws RuleCreateException ???????
 */
protected static void setValue(final Object obj, final String fieldName, final String value)
        throws RuleCreateException {
    Class<? extends Object> clazz = obj.getClass();
    Object[] args = new Object[] { clazz.getCanonicalName(), fieldName, value };

    try {
        Field field = clazz.getField(fieldName);

        Object convertedValue = ConvertUtils.convert(value, field.getType());
        field.set(obj, convertedValue);
    } catch (NoSuchFieldException ex) {
        throw new RuleCreateException(PerfConstants.PROPERTY_NOT_FOUND, args);
    } catch (SecurityException ex) {
        throw new RuleCreateException(PerfConstants.PROPERTY_ERROR, args);
    } catch (IllegalArgumentException ex) {
        throw new RuleCreateException(PerfConstants.PROPERTY_TYPE_ERROR, args);
    } catch (IllegalAccessException ex) {
        throw new RuleCreateException(PerfConstants.PROPERTY_ACCESS_ERROR, args);
    }
}

---

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