List of usage examples for java.lang Class getComponentType
public Class<?> getComponentType()
From source file:com.scit.sling.test.MockValueMap.java
@SuppressWarnings("unchecked") private <T> T convertType(Object o, Class<T> type) { if (o == null) { return null; }/*from w ww.jav a 2 s . c o m*/ if (o.getClass().isArray() && type.isArray()) { if (type.getComponentType().isAssignableFrom(o.getClass().getComponentType())) { return (T) o; } else { // we need to convert the elements in the array Object array = Array.newInstance(type.getComponentType(), Array.getLength(o)); for (int i = 0; i < Array.getLength(o); i++) { Array.set(array, i, convertType(Array.get(o, i), type.getComponentType())); } return (T) array; } } if (o.getClass().isAssignableFrom(type)) { return (T) o; } if (String.class.isAssignableFrom(type)) { // Format dates if (o instanceof Calendar) { return (T) formatDate((Calendar) o); } else if (o instanceof Date) { return (T) formatDate((Date) o); } else if (o instanceof DateTime) { return (T) formatDate((DateTime) o); } return (T) String.valueOf(o); } else if (o instanceof DateTime) { DateTime dt = (DateTime) o; if (Calendar.class.isAssignableFrom(type)) { return (T) dt.toCalendar(Locale.getDefault()); } else if (Date.class.isAssignableFrom(type)) { return (T) dt.toDate(); } else if (Number.class.isAssignableFrom(type)) { return convertType(dt.getMillis(), type); } } else if (o instanceof Number && Number.class.isAssignableFrom(type)) { if (Byte.class.isAssignableFrom(type)) { return (T) (Byte) ((Number) o).byteValue(); } else if (Double.class.isAssignableFrom(type)) { return (T) (Double) ((Number) o).doubleValue(); } else if (Float.class.isAssignableFrom(type)) { return (T) (Float) ((Number) o).floatValue(); } else if (Integer.class.isAssignableFrom(type)) { return (T) (Integer) ((Number) o).intValue(); } else if (Long.class.isAssignableFrom(type)) { return (T) (Long) ((Number) o).longValue(); } else if (Short.class.isAssignableFrom(type)) { return (T) (Short) ((Number) o).shortValue(); } else if (BigDecimal.class.isAssignableFrom(type)) { return (T) new BigDecimal(o.toString()); } } else if (o instanceof Number && type.isPrimitive()) { final Number num = (Number) o; if (type == byte.class) { return (T) new Byte(num.byteValue()); } else if (type == double.class) { return (T) new Double(num.doubleValue()); } else if (type == float.class) { return (T) new Float(num.floatValue()); } else if (type == int.class) { return (T) new Integer(num.intValue()); } else if (type == long.class) { return (T) new Long(num.longValue()); } else if (type == short.class) { return (T) new Short(num.shortValue()); } } else if (o instanceof String && Number.class.isAssignableFrom(type)) { if (Byte.class.isAssignableFrom(type)) { return (T) new Byte((String) o); } else if (Double.class.isAssignableFrom(type)) { return (T) new Double((String) o); } else if (Float.class.isAssignableFrom(type)) { return (T) new Float((String) o); } else if (Integer.class.isAssignableFrom(type)) { return (T) new Integer((String) o); } else if (Long.class.isAssignableFrom(type)) { return (T) new Long((String) o); } else if (Short.class.isAssignableFrom(type)) { return (T) new Short((String) o); } else if (BigDecimal.class.isAssignableFrom(type)) { return (T) new BigDecimal((String) o); } } throw new NotImplementedException( "Can't handle conversion from " + o.getClass().getName() + " to " + type.getName()); }
From source file:de.micromata.genome.util.bean.PrivateBeanUtils.java
/** * Convert.//from w w w . ja va2 s .c o m * * @param value the value * @param type the type * @return the object */ protected static Object convert(String value, Class<?> type) { Object newValue = null; if (type.isArray()) { // Indexed value into array newValue = ConvertUtils.convert(value, type.getComponentType()); } else { // Value into scalar newValue = ConvertUtils.convert(value, type); } return newValue; }
From source file:org.apache.axis.encoding.ser.BeanPropertyTarget.java
/** * set the bean property with specified value * @param value is the value./*ww w.j a va2 s . c o m*/ */ public void set(Object value) throws SAXException { try { // Set the value on the bean property. // Use the indexed property method if the // index is set. if (index < 0) { pd.set(object, value); } else { pd.set(object, index, value); } } catch (Exception e) { try { // If an exception occurred, // see it the value can be converted into // the expected type. Class type = pd.getType(); if (value.getClass().isArray() && value.getClass().getComponentType().isPrimitive() && type.isArray() && type.getComponentType().equals(Object.class)) { //we make our own array type here. type = Array.newInstance(JavaUtils.getWrapperClass(value.getClass().getComponentType()), 0) .getClass(); } if (JavaUtils.isConvertable(value, type)) { value = JavaUtils.convert(value, type); if (index < 0) pd.set(object, value); else pd.set(object, index, value); } else { // It is possible that an indexed // format was expected, but the // entire array was sent. In such // cases traverse the array and // call the setter for each item. if (index == 0 && value.getClass().isArray() && !type.getClass().isArray()) { for (int i = 0; i < Array.getLength(value); i++) { Object item = JavaUtils.convert(Array.get(value, i), type); pd.set(object, i, item); } } else { // Can't proceed. Throw an exception that // will be caught in the catch block below. throw e; } } } catch (Exception ex) { // Throw a SAX exception with an informative // message. String field = pd.getName(); if (index >= 0) { field += "[" + index + "]"; } if (log.isErrorEnabled()) { //TODO: why is this just logged on the server-side and not thrown back to the client??? String valueType = "null"; if (value != null) valueType = value.getClass().getName(); log.error(Messages.getMessage("cantConvert02", new String[] { valueType, field, (index >= 0) ? pd.getType().getComponentType().getName() : pd.getType().getName() })); } if (ex instanceof InvocationTargetException) { Throwable t = ((InvocationTargetException) ex).getTargetException(); if (t != null) { String classname = this.object.getClass().getName(); //show the context where this exception occured. throw new SAXException(Messages.getMessage("cantConvert04", new String[] { classname, field, (value == null) ? null : value.toString(), t.getMessage() })); } } throw new SAXException(ex); } } }
From source file:org.controlhaus.webservice.generator.ExtensionMaker.java
private String getClassName(Class cls) { if (cls.isArray()) { return getClassName(cls.getComponentType()) + "[]"; } else {//from w w w.j a v a2 s .c om return cls.getName().replace('$', '.'); } }
From source file:io.servicecomb.swagger.invocation.converter.ConverterMgr.java
protected Converter findArrayToCollection(Type src, Type target) { if (src.getClass().equals(Class.class) && ParameterizedType.class.isAssignableFrom(target.getClass())) { Class<?> srcCls = (Class<?>) src; ParameterizedType targetType = (ParameterizedType) target; Class<?> targetCls = (Class<?>) targetType.getRawType(); if (srcCls.isArray() && srcCls.getComponentType().equals(targetType.getActualTypeArguments()[0])) { if (List.class.isAssignableFrom(targetCls)) { return arrayToList; }//from ww w.j a v a 2 s . co m if (Set.class.isAssignableFrom(targetCls)) { return arrayToSet; } } } return null; }
From source file:es.caib.zkib.jxpath.ri.model.dynabeans.DynaBeanPropertyPointer.java
/** * Convert a value to the appropriate property type. * @param value to convert//from w ww . j av a2 s .c o m * @param element whether this should be a collection element. * @return conversion result */ private Object convert(Object value, boolean element) { DynaClass dynaClass = (DynaClass) dynaBean.getDynaClass(); DynaProperty property = dynaClass.getDynaProperty(getPropertyName()); Class type = property.getType(); if (element) { if (type.isArray()) { type = type.getComponentType(); } else { return value; // No need to convert } } try { return TypeUtils.convert(value, type); } catch (Exception ex) { String string = value == null ? "null" : value.getClass().getName(); throw new JXPathTypeConversionException("Cannot convert value of class " + string + " to type " + type, ex); } }
From source file:com.twosigma.beaker.kdb.KdbShell.java
/** * Try and convert an object to a List.//from w w w. j a va 2s . co m */ private List<?> toList(Object o) { Class<?> c = o.getClass(); if (!c.isArray()) { return null; } if (c.getComponentType().isPrimitive()) { if (o instanceof boolean[]) { return Arrays.asList(ArrayUtils.toObject((boolean[]) o)); } else if (o instanceof byte[]) { return Arrays.asList(ArrayUtils.toObject((byte[]) o)); } else if (o instanceof short[]) { return Arrays.asList(ArrayUtils.toObject((short[]) o)); } else if (o instanceof int[]) { return Arrays.asList(ArrayUtils.toObject((int[]) o)); } else if (o instanceof long[]) { return Arrays.asList(ArrayUtils.toObject((long[]) o)); } else if (o instanceof float[]) { return Arrays.asList(ArrayUtils.toObject((float[]) o)); } else if (o instanceof double[]) { return Arrays.asList(ArrayUtils.toObject((double[]) o)); } else if (o instanceof char[]) { return Arrays.asList(ArrayUtils.toObject((char[]) o)); } else { throw new RuntimeException("Unhandled primitive type"); } } else { return Arrays.asList((Object[]) o); } }
From source file:ch.algotrader.esper.aggregation.GenericTALibFunction.java
@Override public Class<?> getValueType() { // if we only have one outPutParam return that value // otherwise return the dynamically generated class if (this.outputParams.size() == 1) { Class<?> clazz = this.outputParams.values().iterator().next().getClass(); if (clazz.isArray()) { return clazz.getComponentType(); } else {/*w w w. jav a 2 s . co m*/ return clazz; } } else { return this.outputClass; } }
From source file:org.apache.hadoop.yarn.api.TestPBImplRecords.java
@SuppressWarnings({ "rawtypes", "unchecked" })
private static Object genTypeValue(Type type) {
Object ret = typeValueCache.get(type);
if (ret != null) {
return ret;
}// w w w.ja v a 2s . c om
// only use positive primitive values
if (type.equals(boolean.class)) {
return rand.nextBoolean();
} else if (type.equals(byte.class)) {
return bytes[rand.nextInt(4)];
} else if (type.equals(int.class)) {
return rand.nextInt(1000000);
} else if (type.equals(long.class)) {
return Long.valueOf(rand.nextInt(1000000));
} else if (type.equals(float.class)) {
return rand.nextFloat();
} else if (type.equals(double.class)) {
return rand.nextDouble();
} else if (type.equals(String.class)) {
return String.format("%c%c%c", 'a' + rand.nextInt(26), 'a' + rand.nextInt(26), 'a' + rand.nextInt(26));
} else if (type instanceof Class) {
Class clazz = (Class) type;
if (clazz.isArray()) {
Class compClass = clazz.getComponentType();
if (compClass != null) {
ret = Array.newInstance(compClass, 2);
Array.set(ret, 0, genTypeValue(compClass));
Array.set(ret, 1, genTypeValue(compClass));
}
} else if (clazz.isEnum()) {
Object[] values = clazz.getEnumConstants();
ret = values[rand.nextInt(values.length)];
} else if (clazz.equals(ByteBuffer.class)) {
// return new ByteBuffer every time
// to prevent potential side effects
ByteBuffer buff = ByteBuffer.allocate(4);
rand.nextBytes(buff.array());
return buff;
}
} else if (type instanceof ParameterizedType) {
ParameterizedType pt = (ParameterizedType) type;
Type rawType = pt.getRawType();
Type[] params = pt.getActualTypeArguments();
// only support EnumSet<T>, List<T>, Set<T>, Map<K,V>
if (rawType.equals(EnumSet.class)) {
if (params[0] instanceof Class) {
Class c = (Class) (params[0]);
return EnumSet.allOf(c);
}
}
if (rawType.equals(List.class)) {
ret = Lists.newArrayList(genTypeValue(params[0]));
} else if (rawType.equals(Set.class)) {
ret = Sets.newHashSet(genTypeValue(params[0]));
} else if (rawType.equals(Map.class)) {
Map<Object, Object> map = Maps.newHashMap();
map.put(genTypeValue(params[0]), genTypeValue(params[1]));
ret = map;
}
}
if (ret == null) {
throw new IllegalArgumentException("type " + type + " is not supported");
}
typeValueCache.put(type, ret);
return ret;
}
From source file:org.apache.tapestry.util.AdaptorRegistry.java
/** * Returns the superclass of the given class, with a single tweak: If the * search class is an array class, and the component type is an object class * (but not Object), then the simple Object array class is returned. This reflects * the fact that an array of any class may be assignable to <code>Object[]</code>, * even though the superclass of an array is always simply <code>Object</code>. * // w w w .j a v a 2 s . com **/ private Class getSuperclass(Class searchClass) { if (searchClass.isArray()) { Class componentType = searchClass.getComponentType(); if (!componentType.isPrimitive() && componentType != Object.class) return Object[].class; } return searchClass.getSuperclass(); }