private void setBeanProperty(String name, Object object) {
Bean parentBean = null;
if (beansStack.size() > 0) {
parentBean = (Bean) beansStack.peek();
parentBean.setProperty(name, object);
}
}
private Object pushBeanOnStack(String classPackage, String clazz) {
try {
Bean bean = new Bean(classPackage, clazz, classLoaderStrategy, topLevelBean);
parentNode = currentNode;
currentBean = (Bean) beansStack.push(bean);
return bean.getBeanObject();
} catch (Exception e) {
// bean could not be created
System.err.println("bean could not be created: " + classPackage + "." + clazz);
return null;
}
}
public Bean(String classPackage, String clazz, ClassLoaderStrategy cls, Bean topLevelBean)
throws Exception {
// Get the no-arg constructor and create the bean
try {
Class classOfBean = ObjectXml.getClassOfBean((ClassLoader) cls, classPackage + "." + clazz);
Constructor ct = null;
// check whether this class is an inner class
if (classOfBean.getEnclosingClass() != null) {
ct = classOfBean.getConstructor(new Class[] {classOfBean.getEnclosingClass()});
beanObject = ct.newInstance(new Object[] {topLevelBean.getBeanObject()});
} else {
ct = classOfBean.getConstructor((Class[]) null);
beanObject = ct.newInstance((Object[]) null);
}
// Get an array of property descriptors
beanInfo = Introspector.getBeanInfo(classOfBean);
PropertyDescriptor[] pds = beanInfo.getPropertyDescriptors();
// load property descriptors into hashtable
propDesc = new Properties();
for (int i = 0; i < pds.length; i++) {
propDesc.put(pds[i].getName(), pds[i]);
}
} catch (Exception e) {
System.err.println("Exception creating bean: " + e.getMessage());
e.printStackTrace();
throw e;
}
}
private Object popBeanOffStack() {
// pop the bean off the stack
if ((parentNode != root) && (beansStack.size() > 0)) {
currentBean = (Bean) beansStack.pop();
return currentBean.getBeanObject();
}
return null;
}
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;
}
