public void renderValue(
Object aObj, JSONObject aObjectElement, JSONMarshall aMarshall, HashMap aPool)
throws MarshallException {
final JSONObject lElements = new JSONObject();
aObjectElement.getValue().put(JSONMarshall.RNDR_ATTR_VALUE, lElements);
try {
Class lClass = aObj.getClass();
PropertyDescriptor[] lPropDesc =
Introspector.getBeanInfo(lClass, Introspector.USE_ALL_BEANINFO).getPropertyDescriptors();
for (int i = 0; i < lPropDesc.length; i++) {
Method lReader = lPropDesc[i].getReadMethod();
Method lWriter = lPropDesc[i].getWriteMethod();
String lPropName = lPropDesc[i].getName();
// Only serialize if the property is READ-WRITE.
if (lReader != null && lWriter != null) {
lElements
.getValue()
.put(lPropName, aMarshall.marshallImpl(lReader.invoke(aObj, new Object[] {}), aPool));
}
}
} catch (IntrospectionException e) {
final String lMsg = "Error while introspecting JavaBean.";
throw new MarshallException(lMsg);
} catch (IllegalAccessException e) {
final String lMsg = "Illegal access while trying to fetch a bean property (1).";
throw new MarshallException(lMsg);
} catch (InvocationTargetException e) {
final String lMsg = "Illegal access while trying to fetch a bean property (2).";
throw new MarshallException(lMsg);
}
}
public void validate(JSONValue aValue) throws ValidationException {
// Only for objects.
if (!aValue.isObject())
throw new ValidationException(String.format(PROP004, aValue.toString(), this.getName()));
JSONObject lObj = (JSONObject) aValue;
// First we check if required keys are there.
for (PropRule aRequired : required) {
if (!lObj.containsKey(aRequired.getKey()))
throw new ValidationException(
String.format(PROP002, aValue.toString(), aRequired.getKey(), this.getName()));
}
// Now we iterate over all keys in the object and lookup the spec.
for (String lKey : lObj.getValue().keySet()) {
if (!all.containsKey(lKey))
throw new ValidationException(
String.format(PROP003, aValue.toString(), lKey, this.getName()));
PropRule lRule = all.get(lKey);
try {
lRule.getRule().validate(lObj.get(lKey));
} catch (ValidationException e) {
throw new ValidationException(
String.format(PROP005, lKey, aValue.toString(), this.getName(), e.getMessage()), e);
}
}
}
public void renderValue(Object aObj, JSONObject aParent, JSONMarshall aMarshall, HashMap aPool)
throws MarshallException {
aParent.getValue().put(JSONMarshall.RNDR_ATTR_VALUE, new JSONString(aObj.toString()));
}
public Object parseValue(JSONObject aObjectElement, JSONMarshall aMarshall, HashMap aPool)
throws MarshallException {
JSONMarshall.requireStringAttribute(aObjectElement, JSONMarshall.RNDR_ATTR_CLASS);
String lBeanClassName =
((JSONString) aObjectElement.get(JSONMarshall.RNDR_ATTR_CLASS)).getValue();
String lId = null;
try {
JSONMarshall.requireStringAttribute(aObjectElement, JSONMarshall.RNDR_ATTR_ID);
lId = ((JSONString) aObjectElement.get(JSONMarshall.RNDR_ATTR_ID)).getValue();
} catch (Exception eIgnore) {
}
try {
Class lBeanClass = Class.forName(lBeanClassName);
Object lBean = null;
lBean = lBeanClass.newInstance();
if (lId != null) aPool.put(lId, lBean);
JSONObject lProperties = (JSONObject) aObjectElement.get(JSONMarshall.RNDR_ATTR_VALUE);
Iterator<String> lElIter = lProperties.getValue().keySet().iterator();
while (lElIter.hasNext()) {
// Fetch subelement information.
String lPropname = lElIter.next();
JSONObject lSubEl = (JSONObject) lProperties.get(lPropname);
Object lProp = aMarshall.unmarshallImpl(lSubEl, aPool);
// Put the property in the bean.
boolean lFoundWriter = false;
PropertyDescriptor[] lPropDesc =
Introspector.getBeanInfo(lBeanClass, Introspector.USE_ALL_BEANINFO)
.getPropertyDescriptors();
for (int i = 0; i < lPropDesc.length; i++) {
if (lPropDesc[i].getName().equals(lPropname)) {
lFoundWriter = true;
Method lWriter = lPropDesc[i].getWriteMethod();
if (lWriter == null) {
final String lMsg =
"Could not find a setter for prop: " + lPropname + " in class: " + lBeanClassName;
throw new MarshallException(lMsg);
}
lWriter.invoke(lBean, new Object[] {lProp});
break;
}
}
if (!lFoundWriter) {
final String lMsg =
"Could not find a setter for prop: " + lPropname + " in class: " + lBeanClassName;
throw new MarshallException(lMsg);
}
}
return lBean;
} catch (ClassNotFoundException e) {
final String lMsg = "Could not find JavaBean class: " + lBeanClassName;
throw new MarshallException(lMsg);
} catch (IllegalAccessException e) {
final String lMsg =
"IllegalAccessException while trying to instantiate bean: " + lBeanClassName;
throw new MarshallException(lMsg);
} catch (InstantiationException e) {
final String lMsg =
"InstantiationException while trying to instantiate bean: " + lBeanClassName;
throw new MarshallException(lMsg);
} catch (IntrospectionException e) {
final String lMsg = "IntrospectionException while trying to fill bean: " + lBeanClassName;
throw new MarshallException(lMsg);
} catch (InvocationTargetException e) {
final String lMsg = "InvocationTargetException while trying to fill bean: " + lBeanClassName;
throw new MarshallException(lMsg);
}
}
