/** Try to convert a string value into a numerical value. */
private static Number createNumberFromStringValue(String value) throws NumberFormatException {
final String suffix = value.substring(value.length() - 1);
if ("L".equalsIgnoreCase(suffix)) {
return Long.valueOf(value.substring(0, value.length() - 1));
}
if ("F".equalsIgnoreCase(suffix)) {
return Float.valueOf(value.substring(0, value.length() - 1));
}
if ("D".equalsIgnoreCase(suffix)) {
return Double.valueOf(value.substring(0, value.length() - 1));
}
try {
return Integer.valueOf(value);
} catch (NumberFormatException e) {
// OK: Ignore exception...
}
try {
return Long.valueOf(value);
} catch (NumberFormatException e1) {
// OK: Ignore exception...
}
try {
return Double.valueOf(value);
} catch (NumberFormatException e2) {
// OK: Ignore exception...
}
throw new NumberFormatException(
"Cannot convert string value '" + value + "' into a numerical value");
}
/**
* Create a channel with the given capacity and semaphore implementations instantiated from the
* supplied class
*
* @exception IllegalArgumentException if capacity less or equal to zero.
* @exception NoSuchMethodException If class does not have constructor that intializes permits
* @exception SecurityException if constructor information not accessible
* @exception InstantiationException if semaphore class is abstract
* @exception IllegalAccessException if constructor cannot be called
* @exception InvocationTargetException if semaphore constructor throws an exception
*/
public SemaphoreControlledChannel(int capacity, Class semaphoreClass)
throws IllegalArgumentException, NoSuchMethodException, SecurityException,
InstantiationException, IllegalAccessException, InvocationTargetException {
if (capacity <= 0) throw new IllegalArgumentException();
capacity_ = capacity;
Class[] longarg = {Long.TYPE};
Constructor ctor = semaphoreClass.getDeclaredConstructor(longarg);
Object[] cap = {Long.valueOf(capacity)};
putGuard_ = (Semaphore) (ctor.newInstance(/*(Object[]) GemStoneAddition*/ cap));
Object[] zero = {Long.valueOf(0)};
takeGuard_ = (Semaphore) (ctor.newInstance(/*(Object[]) GemStoneAddition*/ zero));
}
private static Object parseValue(String value, Prop p, Class type) {
Object v = value;
if (type.isArray()) {
StringTokenizer st = new StringTokenizer(value, ",");
Class ctype = type.getComponentType();
v = Array.newInstance(ctype, st.countTokens());
for (int i = 0; st.hasMoreTokens(); i++)
Array.set(v, i, parseValue(st.nextToken(), p, ctype));
} else if (type == boolean.class) {
v = Boolean.valueOf(value);
} else if (type == double.class) {
v = Double.valueOf(value);
} else if (type == int.class) {
v = Integer.valueOf(value);
} else if (p.field.isAnnotationPresent(TimeIntervalProp.class)) {
if (value.endsWith("s")) {
v = (long) (Double.parseDouble(value.substring(0, value.length() - 1)) * SEC);
} else if (value.endsWith("m")) {
v = (long) (Double.parseDouble(value.substring(0, value.length() - 1)) * MIN);
} else {
v = Long.valueOf(value);
}
}
return v;
}
/**
* Helper method used to get default value for wrappers used for primitive types (0 for Integer
* etc)
*
* @since 1.6.1
*/
public static Object defaultValue(Class<?> cls) {
if (cls == Integer.TYPE) {
return Integer.valueOf(0);
}
if (cls == Long.TYPE) {
return Long.valueOf(0L);
}
if (cls == Boolean.TYPE) {
return Boolean.FALSE;
}
if (cls == Double.TYPE) {
return Double.valueOf(0.0);
}
if (cls == Float.TYPE) {
return Float.valueOf(0.0f);
}
if (cls == Byte.TYPE) {
return Byte.valueOf((byte) 0);
}
if (cls == Short.TYPE) {
return Short.valueOf((short) 0);
}
if (cls == Character.TYPE) {
return '\0';
}
throw new IllegalArgumentException("Class " + cls.getName() + " is not a primitive type");
}
private Object createObject(
Node node, String name, String classPackage, String type, String value, boolean setProperty) {
Bean parentBean = null;
if (beansStack.size() > 0) parentBean = (Bean) beansStack.peek();
Object object = null;
// param is either an XSD type or a bean,
// check if it can be converted to an XSD type
XSDatatype dt = null;
try {
dt = DatatypeFactory.getTypeByName(type);
} catch (DatatypeException dte) {
// the type is not a valid XSD data type
}
// convert null value to default
if ((dt != null) && (value == null)) {
Class objType = dt.getJavaObjectType();
if (objType == String.class) value = "";
else if ((objType == java.math.BigInteger.class)
|| (objType == Long.class)
|| (objType == Integer.class)
|| (objType == Short.class)
|| (objType == Byte.class)) value = "0";
else if ((objType == java.math.BigDecimal.class)
|| (objType == Double.class)
|| (objType == Float.class)) value = "0.0";
else if (objType == Boolean.class) value = "false";
else if (objType == java.util.Date.class) value = DateUtils.getCurrentDate();
else if (objType == java.util.Calendar.class) value = DateUtils.getCurrentDateTime();
}
// check whether the type was converted to an XSD datatype
if ((dt != null) && dt.isValid(value, null)) {
// create and return an XSD Java object (e.g. String, Integer, Boolean, etc)
object = dt.createJavaObject(value, null);
if (object instanceof java.util.Calendar) {
// check that the object is truly a Calendar
// because DatatypeFactory converts xsd:date
// types to GregorianCalendar instead of Date.
if (type.equals("date")) {
java.text.DateFormat df = new java.text.SimpleDateFormat("yyyy-MM-dd");
try {
object = df.parse(value);
} catch (java.text.ParseException pe) {
object = new java.util.Date();
}
}
}
} else {
// Create a bean object
if (topLevelBean == null) topLevelBean = parentBean;
object = pushBeanOnStack(classPackage, type);
// Check fields to see if this property is the 'value' for the object
Field[] fields = object.getClass().getDeclaredFields();
for (int i = 0; i < fields.length; i++) {
if (fields[i].isAnnotationPresent(ObjectXmlAsValue.class)) {
try {
StringBuffer fieldName = new StringBuffer(fields[i].getName());
char c = fieldName.charAt(0);
if (c >= 'a' && c <= 'z') {
c += 'A' - 'a';
}
fieldName.setCharAt(0, c);
fieldName.insert(0, "set");
Method method =
object
.getClass()
.getMethod(fieldName.toString(), new Class[] {fields[i].getType()});
method.invoke(object, value);
break;
} catch (Exception e) {
System.err.println(e.getMessage());
}
}
}
NamedNodeMap nodeAttrs = node.getAttributes();
// iterate attributes and set field values for property attributes
for (int i = 0; i < nodeAttrs.getLength(); i++) {
String nodePrefix = nodeAttrs.item(i).getPrefix();
if (nodePrefix.equals(nsPrefix)) {
String nodeName = nodeAttrs.item(i).getLocalName();
String nodeValue = nodeAttrs.item(i).getNodeValue();
try {
Field field = object.getClass().getDeclaredField(nodeName);
if (field.isAnnotationPresent(ObjectXmlAsAttribute.class)) {
StringBuffer fieldName = new StringBuffer(field.getName());
char c = fieldName.charAt(0);
if (c >= 'a' && c <= 'z') {
c += 'A' - 'a';
}
fieldName.setCharAt(0, c);
fieldName.insert(0, "set");
Method method =
object.getClass().getMethod(fieldName.toString(), new Class[] {field.getType()});
if (field.getType() == String.class) method.invoke(object, nodeValue);
else if (field.getType() == Boolean.TYPE)
method.invoke(object, StringUtils.strToBool(nodeValue, "true"));
else if (field.getType() == Byte.TYPE)
method.invoke(object, Byte.valueOf(nodeValue).byteValue());
else if (field.getType() == Character.TYPE)
method.invoke(object, Character.valueOf(nodeValue.charAt(0)));
else if (field.getType() == Double.TYPE)
method.invoke(object, Double.valueOf(nodeValue).doubleValue());
else if (field.getType() == Float.TYPE)
method.invoke(object, Float.valueOf(nodeValue).floatValue());
else if (field.getType() == Integer.TYPE)
method.invoke(object, Integer.valueOf(nodeValue).intValue());
else if (field.getType() == Long.TYPE)
method.invoke(object, Long.valueOf(nodeValue).longValue());
else if (field.getType() == Short.TYPE)
method.invoke(object, Short.valueOf(nodeValue).shortValue());
}
} catch (Exception e) {
System.err.println(e.getMessage());
}
}
}
}
if ((parentBean != null) && (setProperty)) {
parentBean.setProperty(name, object);
}
return object;
}
private TypedValues guessUntypedValue(String name, String value) {
TypedValues list = new TypedValues(name);
if (value.startsWith("java:")) { // possible java static reference
int dot;
if (value.equals("java:null")) {
list.add(new TypedValue(Object.class, null));
} else if (value.charAt(5) == '$') { // reference to a local object (assemble @id)
ElementInfo element = _local.get(value.substring(6));
if (element != null) {
list.add(new TypedValue(element.type, element.data));
}
} else if ((dot = value.lastIndexOf('.')) > 5) {
try {
// public static refernce? (don't override access control)
_logger.fine("public static refernce? " + value);
Object object =
Class.forName(value.substring(5, dot)).getField(value.substring(dot + 1)).get(null);
Class<?> type = object.getClass();
list.add(new TypedValue(type, object));
// automatic upscaling to larger types
if (type == Byte.class) {
object = new Short(((Byte) object).byteValue());
list.add(new TypedValue(Short.class, object));
type = Short.class;
}
if (type == Short.class) {
object = new Integer(((Short) object).shortValue());
list.add(new TypedValue(Integer.class, object));
type = Integer.class;
}
if (type == Integer.class) {
object = new Long(((Integer) object).intValue());
list.add(new TypedValue(Long.class, object));
type = Long.class;
}
if (type == Long.class) {
object = new Float(((Long) object).longValue());
list.add(new TypedValue(Float.class, object));
type = Float.class;
}
if (type == Float.class) {
object = new Double(((Float) object).floatValue());
list.add(new TypedValue(Double.class, object));
}
} catch (Exception x) {
_logger.fine(value + " looked like a static reference but is not: " + x.getMessage());
// class reference?
guessClassReference(list, value.substring(5));
}
} else { // no '.' at all
// class reference?
guessClassReference(list, value.substring(5));
}
} else if (value.equals("true")) {
list.add(new TypedValue(Boolean.class, Boolean.TRUE));
} else if (value.equals("false")) {
list.add(new TypedValue(Boolean.class, Boolean.FALSE));
} else {
// numbers? multiple possibilities
try {
list.add(new TypedValue(Integer.class, Integer.valueOf(value)));
} catch (Exception x) {
}
try {
list.add(new TypedValue(Long.class, Long.valueOf(value)));
} catch (Exception x) {
}
try {
list.add(new TypedValue(Float.class, Float.valueOf(value)));
} catch (Exception x) {
}
try {
list.add(new TypedValue(Double.class, Double.valueOf(value)));
} catch (Exception x) {
}
}
// always try String as the last resort
list.add(new TypedValue(String.class, value));
return list;
}
