/**
* @param methodName getter method
* @param clazz value object class
* @return attribute name related to the specified getter method
*/
private String getAttributeName(String methodName, Class classType) {
String attributeName = null;
if (methodName.startsWith("is"))
attributeName =
methodName.substring(2, 3).toLowerCase()
+ (methodName.length() > 3 ? methodName.substring(3) : "");
else
attributeName =
methodName.substring(3, 4).toLowerCase()
+ (methodName.length() > 4 ? methodName.substring(4) : "");
// an attribute name "Xxxx" becomes "xxxx" and this is not correct!
try {
Class c = classType;
boolean attributeFound = false;
while (!c.equals(Object.class)) {
try {
c.getDeclaredField(attributeName);
attributeFound = true;
break;
} catch (Throwable ex2) {
c = c.getSuperclass();
}
}
if (!attributeFound) {
// now trying to find an attribute having the first character in upper case (e.g. "Xxxx")
String name = attributeName.substring(0, 1).toUpperCase() + attributeName.substring(1);
c = classType;
while (!c.equals(Object.class)) {
try {
c.getDeclaredField(name);
attributeFound = true;
break;
} catch (Throwable ex2) {
c = c.getSuperclass();
}
}
if (attributeFound) attributeName = name;
}
} catch (Throwable ex1) {
}
return attributeName;
}
/**
* Analyze class fields and fill in "voSetterMethods","voGetterMethods","indexes",reverseIndexes"
* attributes.
*
* @param prefix e.g. "attrx.attry."
* @param parentMethods getter methods of parent v.o.
* @param classType class to analyze
*/
private void analyzeClassFields(String prefix, Method[] parentMethods, Class classType) {
try {
if (prefix.split("\\.").length > ClientSettings.MAX_NR_OF_LOOPS_IN_ANALYZE_VO) return;
// retrieve all getter and setter methods defined in the specified value object...
String attributeName = null;
Method[] methods = classType.getMethods();
String aName = null;
for (int i = 0; i < methods.length; i++) {
attributeName = methods[i].getName();
if (attributeName.startsWith("get")
&& methods[i].getParameterTypes().length == 0
&& ValueObject.class.isAssignableFrom(methods[i].getReturnType())) {
aName = getAttributeName(attributeName, classType);
Method[] newparentMethods = new Method[parentMethods.length + 1];
System.arraycopy(parentMethods, 0, newparentMethods, 0, parentMethods.length);
newparentMethods[parentMethods.length] = methods[i];
analyzeClassFields(prefix + aName + ".", newparentMethods, methods[i].getReturnType());
}
if (attributeName.startsWith("get")
&& methods[i].getParameterTypes().length == 0
&& (methods[i].getReturnType().equals(String.class)
|| methods[i].getReturnType().equals(Long.class)
|| methods[i].getReturnType().equals(Long.TYPE)
|| methods[i].getReturnType().equals(Float.class)
|| methods[i].getReturnType().equals(Float.TYPE)
|| methods[i].getReturnType().equals(Short.class)
|| methods[i].getReturnType().equals(Short.TYPE)
|| methods[i].getReturnType().equals(Double.class)
|| methods[i].getReturnType().equals(Double.TYPE)
|| methods[i].getReturnType().equals(BigDecimal.class)
|| methods[i].getReturnType().equals(java.util.Date.class)
|| methods[i].getReturnType().equals(java.sql.Date.class)
|| methods[i].getReturnType().equals(java.sql.Timestamp.class)
|| methods[i].getReturnType().equals(Integer.class)
|| methods[i].getReturnType().equals(Integer.TYPE)
|| methods[i].getReturnType().equals(Character.class)
|| methods[i].getReturnType().equals(Boolean.class)
|| methods[i].getReturnType().equals(boolean.class)
|| methods[i].getReturnType().equals(ImageIcon.class)
|| methods[i].getReturnType().equals(Icon.class)
|| methods[i].getReturnType().equals(byte[].class)
|| methods[i].getReturnType().equals(Object.class)
|| ValueObject.class.isAssignableFrom(methods[i].getReturnType()))) {
attributeName = getAttributeName(attributeName, classType);
// try {
// if
// (classType.getMethod("set"+attributeName.substring(0,1).toUpperCase()+attributeName.substring(1),new Class[]{methods[i].getReturnType()})!=null)
Method[] newparentMethods = new Method[parentMethods.length + 1];
System.arraycopy(parentMethods, 0, newparentMethods, 0, parentMethods.length);
newparentMethods[parentMethods.length] = methods[i];
voGetterMethods.put(prefix + attributeName, newparentMethods);
// } catch (NoSuchMethodException ex) {
// }
} else if (attributeName.startsWith("is")
&& methods[i].getParameterTypes().length == 0
&& (methods[i].getReturnType().equals(Boolean.class)
|| methods[i].getReturnType().equals(boolean.class))) {
attributeName = getAttributeName(attributeName, classType);
Method[] newparentMethods = new Method[parentMethods.length + 1];
System.arraycopy(parentMethods, 0, newparentMethods, 0, parentMethods.length);
newparentMethods[parentMethods.length] = methods[i];
voGetterMethods.put(prefix + attributeName, newparentMethods);
} else if (attributeName.startsWith("set") && methods[i].getParameterTypes().length == 1) {
attributeName = getAttributeName(attributeName, classType);
try {
if (classType.getMethod(
"get"
+ attributeName.substring(0, 1).toUpperCase()
+ attributeName.substring(1),
new Class[0])
!= null) {
Method[] newparentMethods = new Method[parentMethods.length + 1];
System.arraycopy(parentMethods, 0, newparentMethods, 0, parentMethods.length);
newparentMethods[parentMethods.length] = methods[i];
voSetterMethods.put(prefix + attributeName, newparentMethods);
}
} catch (NoSuchMethodException ex) {
try {
if (classType.getMethod(
"is"
+ attributeName.substring(0, 1).toUpperCase()
+ attributeName.substring(1),
new Class[0])
!= null) {
Method[] newparentMethods = new Method[parentMethods.length + 1];
System.arraycopy(parentMethods, 0, newparentMethods, 0, parentMethods.length);
newparentMethods[parentMethods.length] = methods[i];
voSetterMethods.put(prefix + attributeName, newparentMethods);
}
} catch (NoSuchMethodException exx) {
}
}
}
}
// fill in indexes with the colProperties indexes first; after them, it will be added the
// other indexes (of attributes not mapped with grid column...)
HashSet alreadyAdded = new HashSet();
int i = 0;
for (i = 0; i < colProperties.length; i++) {
indexes.put(new Integer(i), colProperties[i].getColumnName());
reverseIndexes.put(colProperties[i].getColumnName(), new Integer(i));
alreadyAdded.add(colProperties[i].getColumnName());
}
Enumeration en = voGetterMethods.keys();
while (en.hasMoreElements()) {
attributeName = en.nextElement().toString();
if (!alreadyAdded.contains(attributeName)) {
indexes.put(new Integer(i), attributeName);
reverseIndexes.put(attributeName, new Integer(i));
i++;
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
/**
* @param obj ValueObject where updating the value for the specified attribute (identified by
* colunm index)
* @param attributeName attribute name
* @param value new Object to set onto ValueObject
*/
public final void setField(ValueObject obj, String attributeName, Object value) {
try {
Method[] getter = ((Method[]) voGetterMethods.get(attributeName));
Method[] setter = ((Method[]) voSetterMethods.get(attributeName));
if (getter == null)
Logger.error(
this.getClass().getName(),
"setField",
"No getter method for attribute name '" + attributeName + "'.",
null);
if (setter == null)
Logger.error(
this.getClass().getName(),
"setField",
"No setter method for attribute name '" + attributeName + "'.",
null);
if (value != null
&& (value instanceof Number || !value.equals("") && value instanceof String)) {
if (!getter[getter.length - 1].getReturnType().equals(value.getClass())) {
Class attrType = getter[getter.length - 1].getReturnType();
if (attrType.equals(Integer.class) || attrType.equals(Integer.TYPE))
value = new Integer(Double.valueOf(value.toString()).intValue());
else if (attrType.equals(Double.class) || attrType.equals(Double.TYPE))
value = new Double(value.toString());
else if (attrType.equals(BigDecimal.class)) value = new BigDecimal(value.toString());
else if (attrType.equals(Long.class) || attrType.equals(Long.TYPE))
value = new Long(Double.valueOf(value.toString()).longValue());
else if (attrType.equals(Short.class) || attrType.equals(Short.TYPE))
value = new Short(Double.valueOf(value.toString()).shortValue());
else if (attrType.equals(Float.class) || attrType.equals(Float.TYPE))
value = new Float(Double.valueOf(value.toString()).floatValue());
}
} else if (value != null && value.equals("")) {
if (!getter[getter.length - 1].getReturnType().equals(value.getClass())) value = null;
}
// test date compatibility...
if (value != null && value.getClass().equals(java.util.Date.class)) {
if (setter[setter.length - 1].getParameterTypes()[0].equals(java.sql.Date.class))
value = new java.sql.Date(((java.util.Date) value).getTime());
else if (setter[setter.length - 1].getParameterTypes()[0].equals(java.sql.Timestamp.class))
value = new java.sql.Timestamp(((java.util.Date) value).getTime());
}
// retrieve inner v.o.: if not present then maybe create it, according to "createInnerVO"
// property...
Method[] m = (Method[]) voGetterMethods.get(attributeName);
if (m == null)
Logger.error(
this.getClass().getName(),
"setField",
"No getter method for attribute name '" + attributeName + "'.",
null);
Object oldObj = obj;
String auxAttr;
for (int i = 0; i < m.length - 1; i++) {
oldObj = obj;
obj = (ValueObject) m[i].invoke(oldObj, new Object[0]);
if (obj == null) {
if (grids.getGridControl() == null || !grids.getGridControl().isCreateInnerVO()) return;
else {
obj = (ValueObject) m[i].getReturnType().newInstance();
String[] attrs = attributeName.split("\\.");
auxAttr = "";
for (int k = 0; k <= i; k++) auxAttr += attrs[k] + ".";
auxAttr = auxAttr.substring(0, auxAttr.length() - 1);
Method aux = ((Method[]) voSetterMethods.get(auxAttr))[i];
aux.invoke(oldObj, new Object[] {obj});
}
}
}
// avoid to set null for primitive types!
if (value == null && setter[setter.length - 1].getParameterTypes()[0].equals(Long.TYPE))
setter[setter.length - 1].invoke(obj, new Object[] {new Long(0)});
if (value == null && setter[setter.length - 1].getParameterTypes()[0].equals(Integer.TYPE))
setter[setter.length - 1].invoke(obj, new Object[] {new Integer(0)});
if (value == null && setter[setter.length - 1].getParameterTypes()[0].equals(Short.TYPE))
setter[setter.length - 1].invoke(obj, new Object[] {new Short((short) 0)});
if (value == null && setter[setter.length - 1].getParameterTypes()[0].equals(Float.TYPE))
setter[setter.length - 1].invoke(obj, new Object[] {new Float(0)});
if (value == null && setter[setter.length - 1].getParameterTypes()[0].equals(Double.TYPE))
setter[setter.length - 1].invoke(obj, new Object[] {new Double(0)});
if (value == null && setter[setter.length - 1].getParameterTypes()[0].equals(Boolean.TYPE))
setter[setter.length - 1].invoke(obj, new Object[] {Boolean.FALSE});
else setter[setter.length - 1].invoke(obj, new Object[] {value});
} catch (Exception ex) {
ex.printStackTrace();
}
}