/**
* Create a controller from specified classname
*
* @param classname Controller classname.
* @return org.apache.struts.tiles.Controller
* @throws InstantiationException if an error occur while instanciating Controller : (classname
* can't be instanciated, Illegal access with instanciated class, Error while instanciating
* class, classname can't be instanciated.
*/
public static Controller createControllerFromClassname(String classname)
throws InstantiationException {
try {
Class requestedClass = RequestUtils.applicationClass(classname);
Object instance = requestedClass.newInstance();
if (log.isDebugEnabled()) {
log.debug("Controller created : " + instance);
}
return (Controller) instance;
} catch (java.lang.ClassNotFoundException ex) {
throw new InstantiationException("Error - Class not found :" + ex.getMessage());
} catch (java.lang.IllegalAccessException ex) {
throw new InstantiationException("Error - Illegal class access :" + ex.getMessage());
} catch (java.lang.InstantiationException ex) {
throw ex;
} catch (java.lang.ClassCastException ex) {
throw new InstantiationException(
"Controller of class '"
+ classname
+ "' should implements 'Controller' or extends 'Action'");
}
}
static final Object getInstanceProperty(String propertyName,
Class ofClass,
Class defaultClass)
{
Class klass = getClassProperty(propertyName, defaultClass);
if (klass == null)
return null;
try
{
Object obj = klass.newInstance();
if (ofClass.isInstance(obj))
return obj;
}
catch (Exception _)
{
}
if (defaultClass == null)
return null;
try
{
return defaultClass.newInstance();
}
catch (java.lang.InstantiationException ex)
{
throw new RuntimeException(ex.getMessage());
}
catch (java.lang.IllegalAccessException ex)
{
throw new RuntimeException(ex.getMessage());
}
}
/**
* Create a new Bean instance.
*
* @param obj The reference object describing the Bean
*/
@Override
public Object getObjectInstance(
Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment) throws NamingException {
if (obj instanceof ResourceRef) {
try {
Reference ref = (Reference) obj;
String beanClassName = ref.getClassName();
Class<?> beanClass = null;
ClassLoader tcl = Thread.currentThread().getContextClassLoader();
if (tcl != null) {
try {
beanClass = tcl.loadClass(beanClassName);
} catch (ClassNotFoundException e) {
}
} else {
try {
beanClass = Class.forName(beanClassName);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
if (beanClass == null) {
throw new NamingException("Class not found: " + beanClassName);
}
BeanInfo bi = Introspector.getBeanInfo(beanClass);
PropertyDescriptor[] pda = bi.getPropertyDescriptors();
Object bean = beanClass.newInstance();
Enumeration<RefAddr> e = ref.getAll();
while (e.hasMoreElements()) {
RefAddr ra = e.nextElement();
String propName = ra.getType();
if (propName.equals(Constants.FACTORY)
|| propName.equals("scope")
|| propName.equals("auth")
|| propName.equals("singleton")) {
continue;
}
String value = (String) ra.getContent();
Object[] valueArray = new Object[1];
int i = 0;
for (i = 0; i < pda.length; i++) {
if (pda[i].getName().equals(propName)) {
Class<?> propType = pda[i].getPropertyType();
if (propType.equals(String.class)) {
valueArray[0] = value;
} else if (propType.equals(Character.class) || propType.equals(char.class)) {
valueArray[0] = Character.valueOf(value.charAt(0));
} else if (propType.equals(Byte.class) || propType.equals(byte.class)) {
valueArray[0] = new Byte(value);
} else if (propType.equals(Short.class) || propType.equals(short.class)) {
valueArray[0] = new Short(value);
} else if (propType.equals(Integer.class) || propType.equals(int.class)) {
valueArray[0] = new Integer(value);
} else if (propType.equals(Long.class) || propType.equals(long.class)) {
valueArray[0] = new Long(value);
} else if (propType.equals(Float.class) || propType.equals(float.class)) {
valueArray[0] = new Float(value);
} else if (propType.equals(Double.class) || propType.equals(double.class)) {
valueArray[0] = new Double(value);
} else if (propType.equals(Boolean.class) || propType.equals(boolean.class)) {
valueArray[0] = Boolean.valueOf(value);
} else {
throw new NamingException(
"String conversion for property type '"
+ propType.getName()
+ "' not available");
}
Method setProp = pda[i].getWriteMethod();
if (setProp != null) {
setProp.invoke(bean, valueArray);
} else {
throw new NamingException("Write not allowed for property: " + propName);
}
break;
}
}
if (i == pda.length) {
throw new NamingException("No set method found for property: " + propName);
}
}
return bean;
} catch (java.beans.IntrospectionException ie) {
NamingException ne = new NamingException(ie.getMessage());
ne.setRootCause(ie);
throw ne;
} catch (java.lang.IllegalAccessException iae) {
NamingException ne = new NamingException(iae.getMessage());
ne.setRootCause(iae);
throw ne;
} catch (java.lang.InstantiationException ie2) {
NamingException ne = new NamingException(ie2.getMessage());
ne.setRootCause(ie2);
throw ne;
} catch (java.lang.reflect.InvocationTargetException ite) {
NamingException ne = new NamingException(ite.getMessage());
ne.setRootCause(ite);
throw ne;
}
} else {
return null;
}
}
/**
* Create a new Bean instance.
*
* @param obj The reference object describing the Bean
*/
@Override
public Object getObjectInstance(
Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment) throws NamingException {
if (obj instanceof ResourceRef) {
try {
Reference ref = (Reference) obj;
String beanClassName = ref.getClassName();
Class<?> beanClass = null;
ClassLoader tcl = Thread.currentThread().getContextClassLoader();
if (tcl != null) {
try {
beanClass = tcl.loadClass(beanClassName);
} catch (ClassNotFoundException e) {
}
} else {
try {
beanClass = Class.forName(beanClassName);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
if (beanClass == null) {
throw new NamingException("Class not found: " + beanClassName);
}
BeanInfo bi = Introspector.getBeanInfo(beanClass);
PropertyDescriptor[] pda = bi.getPropertyDescriptors();
Object bean = beanClass.newInstance();
/* Look for properties with explicitly configured setter */
RefAddr ra = ref.get("forceString");
Map<String, Method> forced = new HashMap<String, Method>();
String value;
if (ra != null) {
value = (String) ra.getContent();
Class<?> paramTypes[] = new Class[1];
paramTypes[0] = String.class;
String setterName;
int index;
/* Items are given as comma separated list */
for (String param : value.split(",")) {
param = param.trim();
/* A single item can either be of the form name=method
* or just a property name (and we will use a standard
* setter) */
index = param.indexOf('=');
if (index >= 0) {
setterName = param.substring(index + 1).trim();
param = param.substring(0, index).trim();
} else {
setterName =
"set" + param.substring(0, 1).toUpperCase(Locale.ENGLISH) + param.substring(1);
}
try {
forced.put(param, beanClass.getMethod(setterName, paramTypes));
} catch (NoSuchMethodException ex) {
throw new NamingException(
"Forced String setter " + setterName + " not found for property " + param);
} catch (SecurityException ex) {
throw new NamingException(
"Forced String setter " + setterName + " not allowed for property " + param);
}
}
}
Enumeration<RefAddr> e = ref.getAll();
while (e.hasMoreElements()) {
ra = e.nextElement();
String propName = ra.getType();
if (propName.equals(Constants.FACTORY)
|| propName.equals("scope")
|| propName.equals("auth")
|| propName.equals("forceString")
|| propName.equals("singleton")) {
continue;
}
value = (String) ra.getContent();
Object[] valueArray = new Object[1];
/* Shortcut for properties with explicitly configured setter */
Method method = forced.get(propName);
if (method != null) {
valueArray[0] = value;
try {
method.invoke(bean, valueArray);
} catch (IllegalAccessException ex) {
throw new NamingException(
"Forced String setter "
+ method.getName()
+ " threw IllegalAccessException for property "
+ propName);
} catch (IllegalArgumentException ex) {
throw new NamingException(
"Forced String setter "
+ method.getName()
+ " threw IllegalArgumentException for property "
+ propName);
} catch (InvocationTargetException ex) {
throw new NamingException(
"Forced String setter "
+ method.getName()
+ " threw InvocationTargetException for property "
+ propName);
}
continue;
}
int i = 0;
for (i = 0; i < pda.length; i++) {
if (pda[i].getName().equals(propName)) {
Class<?> propType = pda[i].getPropertyType();
if (propType.equals(String.class)) {
valueArray[0] = value;
} else if (propType.equals(Character.class) || propType.equals(char.class)) {
valueArray[0] = Character.valueOf(value.charAt(0));
} else if (propType.equals(Byte.class) || propType.equals(byte.class)) {
valueArray[0] = Byte.valueOf(value);
} else if (propType.equals(Short.class) || propType.equals(short.class)) {
valueArray[0] = Short.valueOf(value);
} else if (propType.equals(Integer.class) || propType.equals(int.class)) {
valueArray[0] = Integer.valueOf(value);
} else if (propType.equals(Long.class) || propType.equals(long.class)) {
valueArray[0] = Long.valueOf(value);
} else if (propType.equals(Float.class) || propType.equals(float.class)) {
valueArray[0] = Float.valueOf(value);
} else if (propType.equals(Double.class) || propType.equals(double.class)) {
valueArray[0] = Double.valueOf(value);
} else if (propType.equals(Boolean.class) || propType.equals(boolean.class)) {
valueArray[0] = Boolean.valueOf(value);
} else {
throw new NamingException(
"String conversion for property "
+ propName
+ " of type '"
+ propType.getName()
+ "' not available");
}
Method setProp = pda[i].getWriteMethod();
if (setProp != null) {
setProp.invoke(bean, valueArray);
} else {
throw new NamingException("Write not allowed for property: " + propName);
}
break;
}
}
if (i == pda.length) {
throw new NamingException("No set method found for property: " + propName);
}
}
return bean;
} catch (java.beans.IntrospectionException ie) {
NamingException ne = new NamingException(ie.getMessage());
ne.setRootCause(ie);
throw ne;
} catch (java.lang.IllegalAccessException iae) {
NamingException ne = new NamingException(iae.getMessage());
ne.setRootCause(iae);
throw ne;
} catch (java.lang.InstantiationException ie2) {
NamingException ne = new NamingException(ie2.getMessage());
ne.setRootCause(ie2);
throw ne;
} catch (java.lang.reflect.InvocationTargetException ite) {
Throwable cause = ite.getCause();
if (cause instanceof ThreadDeath) {
throw (ThreadDeath) cause;
}
if (cause instanceof VirtualMachineError) {
throw (VirtualMachineError) cause;
}
NamingException ne = new NamingException(ite.getMessage());
ne.setRootCause(ite);
throw ne;
}
} else {
return null;
}
}
