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:com.gemstone.gemfire.test.junit.rules.serializable.SerializableTemporaryFolderTest.java

@Test
public void fieldFolderShouldExist() throws Exception {
    Field field = TemporaryFolder.class.getDeclaredField(FIELD_FOLDER);
    assertThat(field.getType()).isEqualTo(File.class);
}

From source file:br.gov.frameworkdemoiselle.internal.implementation.ConfigurationArrayValueExtractor.java

@Override
public Object getValue(String prefix, String key, Field field, Configuration configuration) throws Exception {
    return new DataConfiguration(configuration).getArray(field.getType().getComponentType(), prefix + key);
}

From source file:com.teasoft.teavote.util.AppProperties.java

public Properties getProperties() throws IllegalAccessException {
    Properties prop = new Properties();
    Field[] fields = AppProperties.class.getDeclaredFields();
    for (Field field : fields) {
        prop.setProperty("teavote" + "." + field.getName(), field.getType().cast(field.get(this)).toString());
    }// ww w .jav a2 s.c o m
    return prop;
}

From source file:com.gemstone.gemfire.test.junit.rules.serializable.SerializableTemporaryFolderTest.java

@Test
public void fieldParentFolderShouldExist() throws Exception {
    Field field = TemporaryFolder.class.getDeclaredField(FIELD_PARENT_FOLDER);
    assertThat(field.getType()).isEqualTo(File.class);
}

From source file:com.gemstone.gemfire.test.junit.rules.serializable.SerializableTimeoutTest.java

@Test
public void fieldTimeoutShouldExist() throws Exception {
    Field field = Timeout.class.getDeclaredField(FIELD_TIMEOUT);
    assertThat(field.getType()).isEqualTo(Long.TYPE);
}

From source file:com.gemstone.gemfire.test.junit.rules.serializable.SerializableTimeoutTest.java

@Test
public void fieldTimeUnitShouldExist() throws Exception {
    Field field = Timeout.class.getDeclaredField(FIELD_TIME_UNIT);
    assertThat(field.getType()).isEqualTo(TimeUnit.class);
}

From source file:com.hc.wx.server.common.bytecode.ReflectUtils.java

private static Object getEmptyObject(Class<?> returnType, Map<Class<?>, Object> emptyInstances, int level) {
    if (level > 2)
        return null;
    if (returnType == null) {
        return null;
    } else if (returnType == boolean.class || returnType == Boolean.class) {
        return false;
    } else if (returnType == char.class || returnType == Character.class) {
        return '\0';
    } else if (returnType == byte.class || returnType == Byte.class) {
        return (byte) 0;
    } else if (returnType == short.class || returnType == Short.class) {
        return (short) 0;
    } else if (returnType == int.class || returnType == Integer.class) {
        return 0;
    } else if (returnType == long.class || returnType == Long.class) {
        return 0L;
    } else if (returnType == float.class || returnType == Float.class) {
        return 0F;
    } else if (returnType == double.class || returnType == Double.class) {
        return 0D;
    } else if (returnType.isArray()) {
        return Array.newInstance(returnType.getComponentType(), 0);
    } else if (returnType.isAssignableFrom(ArrayList.class)) {
        return new ArrayList<Object>(0);
    } else if (returnType.isAssignableFrom(HashSet.class)) {
        return new HashSet<Object>(0);
    } else if (returnType.isAssignableFrom(HashMap.class)) {
        return new HashMap<Object, Object>(0);
    } else if (String.class.equals(returnType)) {
        return "";
    } else if (!returnType.isInterface()) {
        try {/*from  w  w w . j av a 2  s  .co  m*/
            Object value = emptyInstances.get(returnType);
            if (value == null) {
                value = returnType.newInstance();
                emptyInstances.put(returnType, value);
            }
            Class<?> cls = value.getClass();
            while (cls != null && cls != Object.class) {
                Field[] fields = cls.getDeclaredFields();
                for (Field field : fields) {
                    Object property = getEmptyObject(field.getType(), emptyInstances, level + 1);
                    if (property != null) {
                        try {
                            if (!field.isAccessible()) {
                                field.setAccessible(true);
                            }
                            field.set(value, property);
                        } catch (Throwable e) {
                        }
                    }
                }
                cls = cls.getSuperclass();
            }
            return value;
        } catch (Throwable e) {
            return null;
        }
    } else {
        return null;
    }
}

From source file:moe.yuna.palinuridae.xutilsmodel.cache.XUtilsRedisCacheImpl.java

public Object formatOjbect(Field field, String object) {
    if (field.getType().equals(Date.class)) {
        return new Date(Long.valueOf(object));
    }/*from  w  ww  . ja v a 2s . c  om*/
    Object convert = conversionService.convert(object, field.getType());
    return convert;
}

From source file:net.bafeimao.umbrella.support.data.entity.AbstractEntityParser.java

/**
 * ????????//from   w  ww. j a va 2s. c om
 *
 * @param field 
 * @return ??
 */
protected Converter<String, ?> getConverter(Field field) {
    Class<?> fieldType = field.getType();

    if (field.getName().equals("id")) { // TODO ???
        fieldType = Long.class;
    }

    Converter<?, ?> converter = convertersByType.get(fieldType);

    if (converter == null && field.isAnnotationPresent(DataConverter.class)) {
        DataConverter anno = field.getAnnotation(DataConverter.class);
        Class<?> converterClass = anno.value();
        try {
            converter = (Converter<?, ?>) converterClass.newInstance();
            convertersByType.put(field.getType(), converter);
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }

    return (Converter<String, ?>) converter;
}

From source file:com.conversantmedia.mapreduce.tool.annotation.handler.NamedOutputAnnotationHandler.java

/**
 * If this is a multiple output we're annotating, see if there are type parameters to
 * use for the key/value classes.//  www  . ja  v  a 2 s .co  m
 * 
 * @param target   object to reflect for type params
 * @return         the key/value type parameters
 */
protected Pair<Type, Type> getGenericTypeParams(Object target) {
    Pair<Type, Type> kvTypePair = null;
    if (target instanceof Field) {
        Field field = (Field) target;
        if (field.getType() == MultipleOutputs.class) {
            Type genericType = field.getGenericType();
            if (genericType instanceof ParameterizedType) {
                Type[] keyValueTypes = ((ParameterizedType) genericType).getActualTypeArguments();
                if (keyValueTypes != null && keyValueTypes.length == 2) {
                    kvTypePair = new ImmutablePair<>(keyValueTypes[0], keyValueTypes[1]);
                }
            }
        }
    }
    return kvTypePair;
}