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.trafficspaces.api.model.Resource.java

public void setJSONObject(JSONObject jsonObject) {
    Iterator itr = jsonObject.keys();
    while (itr.hasNext()) {
        String key = (String) itr.next();
        Object value = jsonObject.opt(key);

        try {//  w  ww.ja  v  a 2 s .  c  om
            Field field = this.getClass().getField(key);
            Class type = field.getType();

            int fieldModifiers = field.getModifiers();
            //System.out.println("key=" + key + ", name=" + field.getName() + ", value=" + value + ", type=" +type + ", componentType=" +type.getComponentType() + 
            //      ", ispublic="+Modifier.isPublic(fieldModifiers) + ", isstatic="+Modifier.isStatic(fieldModifiers) + ", isnative="+Modifier.isNative(fieldModifiers) +
            //      ", isprimitive="+type.isPrimitive() + ", isarray="+type.isArray() + ", isResource="+Resource.class.isAssignableFrom(type));

            if (type.isPrimitive()) {
                if (type.equals(int.class)) {
                    field.setInt(this, jsonObject.getInt(key));
                } else if (type.equals(double.class)) {
                    field.setDouble(this, jsonObject.getDouble(key));
                }
            } else if (type.isArray()) {
                JSONArray jsonArray = null;
                if (value instanceof JSONArray) {
                    jsonArray = (JSONArray) value;
                } else if (value instanceof JSONObject) {
                    JSONObject jsonSubObject = (JSONObject) value;
                    jsonArray = jsonSubObject.optJSONArray(key.substring(0, key.length() - 1));
                }
                if (jsonArray != null && jsonArray.length() > 0) {
                    Class componentType = type.getComponentType();
                    Object[] values = (Object[]) Array.newInstance(componentType, jsonArray.length());
                    for (int j = 0; j < jsonArray.length(); j++) {
                        Resource resource = (Resource) componentType.newInstance();
                        resource.setJSONObject(jsonArray.getJSONObject(j));
                        values[j] = resource;
                    }
                    field.set(this, values);
                }
            } else if (Resource.class.isAssignableFrom(type) && value instanceof JSONObject) {
                Resource resource = (Resource) type.newInstance();
                resource.setJSONObject((JSONObject) value);
                field.set(this, resource);
            } else if (type.equals(String.class) && value instanceof String) {
                field.set(this, (String) value);
            }
        } catch (NoSuchFieldException nsfe) {
            System.err.println("warning: field does not exist. key=" + key + ",value=" + value);
        } catch (Exception e) {
            e.printStackTrace();
            System.err.println("error: key=" + key + ",value=" + value + ", error=" + e.getMessage());
        }
    }
}

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From source file:gov.nih.nci.cabig.ctms.audit.dao.AuditHistoryRepository.java

@SuppressWarnings("unchecked")
public List<AuditHistory> getAuditDetailsForEntity(final Class entityClass, final Integer entityId,
        final Calendar calendar)

{
    final List<gov.nih.nci.cabig.ctms.audit.domain.DataAuditEvent> dataAuditEvents = getDataAuditEvents(
            entityClass, entityId, calendar);

    final List<AuditHistory> auditHistories = new ArrayList<AuditHistory>();

    Field[] fields = entityClass.getDeclaredFields();
    List<String> attributeFieldsName = new ArrayList<String>();

    for (Field field : fields) {
        if (field.getType().isPrimitive() || field.getType().isInstance("")
                || field.getType().isInstance(new Date())) {
            attributeFieldsName.add(field.getName());

        }/*from  ww w  . j a v a2s  .  c o  m*/
    }
    for (DataAuditEvent auditEvent : dataAuditEvents) {

        AuditHistory auditHistory = createAuditHistory(auditEvent);
        List<String> attributeFields = new ArrayList<String>();
        attributeFields.addAll(attributeFieldsName);
        List<AuditHistoryDetail> auditHistoryDetails = getEventValues(attributeFields, auditEvent);
        auditHistory.addValues(auditHistoryDetails);
        auditHistories.add(auditHistory);

    }
    return auditHistories;

}

---

From source file:net.mindengine.blogix.db.readers.ObjectReader.java

private Object convertFieldValue(String fieldValue, Field field) {
    if (fieldValue == null) {
        return null;
    }/*from  www . j  a va 2  s  . c  o m*/
    Class<?> type = field.getType();
    try {
        return convertStringValueToType(fieldValue, type);
    } catch (Exception e) {
        throw new IllegalArgumentException("Cannot convert value '" + StringUtils.abbreviate(fieldValue, 20)
                + "' to field " + field.toString(), e);
    }
}

---

From source file:de.micromata.genome.util.bean.PrivateBeanUtils.java

/**
 * Find getter from field.//from w  w  w.  ja  v a  2s.  c om
 *
 * @param clazz the clazz
 * @param field the field
 * @return the method
 */
public static Method findGetterFromField(Class<?> clazz, Field field) {
    return findGetterFromField(clazz, field.getName(), field.getType());
}

---

From source file:com.grandhunterman.dnvm.common.Message.java

@Override
public final void fromBytes(ByteBuf buf) {
    try {//  w ww  .ja va  2 s.  c  o  m
        Class<?> clazz = getClass();
        for (Field f : clazz.getDeclaredFields()) {
            Class<?> type = f.getType();
            if (acceptField(f, type))
                readField(f, type, buf);
        }
    } catch (Exception e) {
        throw new RuntimeException("Error at reading packet " + this, e);
    }
}

---

From source file:com.grandhunterman.dnvm.common.Message.java

@Override
public final void toBytes(ByteBuf buf) {
    try {//from  ww  w .j  ava 2s  . c  om
        Class<?> clazz = getClass();
        for (Field f : clazz.getDeclaredFields()) {
            Class<?> type = f.getType();
            if (acceptField(f, type))
                writeField(f, type, buf);
        }
    } catch (Exception e) {
        throw new RuntimeException("Error at writing packet " + this, e);
    }
}

---

From source file:com.khubla.cbean.serializer.impl.json.JSONArrayFieldSerializer.java

@Override
public void deserialize(Object o, Field field, String value) throws SerializerException {
    try {//from  w w  w .j  a v  a2s .  c o m
        final JSONArray jsonArray = new JSONArray(value);
        final Object od = Array.newInstance(field.getType().getComponentType(), jsonArray.length());
        PropertyUtils.setProperty(o, field.getName(), od);
        final Class<?> componentType = field.getType().getComponentType();
        if (componentType.isPrimitive()) {
            for (int i = 0; i < jsonArray.length(); i++) {
                final String v = jsonArray.getString(i);
                PropertyUtils.setIndexedProperty(o, field.getName(), i,
                        ConvertUtils.convert(v, field.getType().getComponentType()));
            }
        } else {
            final CBean<Object> cBean = CBeanServer.getInstance().getCBean(componentType);
            for (int i = 0; i < jsonArray.length(); i++) {
                final Object co = cBean.load(new CBeanKey(jsonArray.getString(i)));
                PropertyUtils.setIndexedProperty(o, field.getName(), i,
                        ConvertUtils.convert(co, field.getType().getComponentType()));
            }
        }
    } catch (final Exception e) {
        throw new SerializerException(e);
    }
}

---

From source file:de.ks.flatadocdb.defaults.ReflectionLuceneDocumentExtractor.java

protected DocField createDocField(Field f) {
    try {/*from   www.jav a2s. co m*/
        Class<?> type = f.getType();
        f.setAccessible(true);
        MethodHandle getter = MethodHandles.lookup().unreflectGetter(f);

        if (TypeUtils.isArrayType(type)) {
            return createArrayDocField(f, getter);
        } else if (Collection.class.isAssignableFrom(type)) {
            return createCollectionDocField(f, getter);
        } else if (String.class.equals(type)) {
            return createStringDocField(f, getter);
        } else if (LocalDateTime.class.equals(type)) {
            return createLocalDateTimeDocField(f, getter);
        } else {
            return new DocField(f, getter, (id, value) -> new StringField(id, String.valueOf(value),
                    org.apache.lucene.document.Field.Store.YES));
        }
    } catch (Exception e) {
        log.error("Could not extract docfield from {}", f, e);
        throw new RuntimeException(e);
    }
}

---

From source file:nl.surfnet.coin.teams.control.AbstractControllerTest.java

private boolean doAutoWireMock(Object target, Object mock, Class interfaceClass, Field[] fields)
        throws IllegalAccessException {
    boolean found = false;
    for (Field field : fields) {
        if (field.getType().equals(interfaceClass)) {
            ReflectionUtils.makeAccessible(field);
            field.set(target, mock);/*w w  w  .  j av a  2  s.  c  o m*/
            found = true;
            break;
        }
    }
    return found;
}

---

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