/**
* Coerce the given object to targetType.
*
* @param value object to be coerced
* @param targetType which should be object coerced into
* @return the given value coerced to targetType
*/
public static <T> T coerce(Object value, Class<T> targetType) {
if (value == null) {
return null;
}
if (targetType.isInstance(value)) {
return targetType.cast(value);
}
if (value instanceof String) {
PropertyEditor editor = PropertyEditorManager.findEditor(targetType);
if (editor == null && Primitives.isWrapperType(targetType)) {
editor = PropertyEditorManager.findEditor(Primitives.unwrap(targetType));
}
if (editor != null) {
editor.setAsText((String) value);
return targetType.cast(editor.getValue());
} else if (targetType.isEnum()) {
return targetType.cast(Enum.valueOf((Class<Enum>) targetType, (String) value));
}
}
throw new IllegalArgumentException(
MessageFormat.format(
"Cannot convert {0} to object of {1} type", value, targetType.getName()));
}
private static Object newValue(final Class<?> type, final String value) {
final PropertyEditor editor = PropertyEditorFinder.getInstance().find(type);
if (editor == null) {
SarLogger.ROOT_LOGGER.propertyNotFound(type);
return null;
}
editor.setAsText(value);
return editor.getValue();
}
/**
* Convert a string value to its Object value.
*
* @param value - String value
* @param prop - PropertyDescriptor
* @return The object set to value (i.e. Integer). Will return String if no PropertyEditor is
* found.
* @throws InstantiationException - Thrown on error getting the property editor from the property
* descriptor.
* @throws IllegalAccessException - Thrown on error getting the property editor from the property
* descriptor.
*/
protected Object convertValue(String value, PropertyDescriptor prop)
throws InstantiationException, IllegalAccessException {
PropertyEditor editor = getPropertyEditor(prop);
Object obj = value;
if (null != editor) {
editor.setAsText(value);
obj = editor.getValue();
}
return obj;
}
/**
* Convert the given text value using the given property editor.
*
* @param oldValue the previous value, if available (may be <code>null</code>)
* @param newTextValue the proposed text value
* @param editor the PropertyEditor to use
* @return the converted value
*/
protected Object doConvertTextValue(Object oldValue, String newTextValue, PropertyEditor editor) {
try {
editor.setValue(oldValue);
} catch (Exception ex) {
if (logger.isDebugEnabled()) {
logger.debug(
"PropertyEditor [" + editor.getClass().getName() + "] does not support setValue call",
ex);
}
// Swallow and proceed.
}
editor.setAsText(newTextValue);
return editor.getValue();
}
public Element getElementServiceBindingValue(ServiceBinding binding, Element input) {
if (input == null) throw new IllegalArgumentException("input cannot be null");
PropertyEditor editor = PropertyEditorFinder.getInstance().find(Element.class);
if (editor == null)
throw new IllegalStateException("Cannot find PropertyEditor for type Element");
editor.setValue(input);
Reader reader = new StringReader(editor.getAsText());
Writer writer = new StringWriter();
doXslTransform(binding, getConfig(binding), reader, writer);
editor.setAsText(writer.toString());
return (Element) editor.getValue();
}
public static Object getValueFromBeanInfoPropertyEditor(
Class<?> attrClass, String attrName, String attrValue, Class<?> propertyEditorClass)
throws JasperException {
try {
PropertyEditor pe = (PropertyEditor) propertyEditorClass.newInstance();
pe.setAsText(attrValue);
return pe.getValue();
} catch (Exception ex) {
throw new JasperException(
Localizer.getMessage(
"jsp.error.beans.property.conversion",
attrValue,
attrClass.getName(),
attrName,
ex.getMessage()));
}
}
private static Object convert(TypeConverter typeConverter, Class<?> type, Object value)
throws URISyntaxException, NoTypeConversionAvailableException {
if (typeConverter != null) {
return typeConverter.mandatoryConvertTo(type, value);
}
if (type == URI.class) {
return new URI(value.toString());
}
PropertyEditor editor = PropertyEditorManager.findEditor(type);
if (editor != null) {
// property editor is not thread safe, so we need to lock
Object answer;
synchronized (LOCK) {
editor.setAsText(value.toString());
answer = editor.getValue();
}
return answer;
}
return null;
}
public static Object getValueFromPropertyEditorManager(
Class<?> attrClass, String attrName, String attrValue) throws JasperException {
try {
PropertyEditor propEditor = PropertyEditorManager.findEditor(attrClass);
if (propEditor != null) {
propEditor.setAsText(attrValue);
return propEditor.getValue();
} else {
throw new IllegalArgumentException(
Localizer.getMessage("jsp.error.beans.propertyeditor.notregistered"));
}
} catch (IllegalArgumentException ex) {
throw new JasperException(
Localizer.getMessage(
"jsp.error.beans.property.conversion",
attrValue,
attrClass.getName(),
attrName,
ex.getMessage()));
}
}
public Object getValue(ServiceValueContext valueContext) throws Exception {
MBeanAttributeInfo attributeInfo = valueContext.getAttributeInfo();
ClassLoader cl = valueContext.getClassloader();
String typeName = attributeInfo.getType();
if (typeName == null)
throw new DeploymentException(
"AttributeInfo for " + attributeInfo.getName() + " has no type");
// see if it is a primitive type first
Class typeClass = Classes.getPrimitiveTypeForName(typeName);
if (typeClass == null) {
// nope try look up
try {
typeClass = cl.loadClass(typeName);
} catch (ClassNotFoundException e) {
throw new DeploymentException(
"Class not found for attribute: " + attributeInfo.getName(), e);
}
}
PropertyEditor editor = PropertyEditorFinder.getInstance().find(typeClass);
if (editor == null)
throw new DeploymentException(
"No property editor for attribute: "
+ attributeInfo.getName()
+ "; type="
+ typeClass.getName());
// JBAS-1709, temporarily switch the TCL so that property
// editors have access to the actual deployment ClassLoader.
ClassLoader tcl = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(cl);
try {
editor.setAsText(text);
return editor.getValue();
} finally {
Thread.currentThread().setContextClassLoader(tcl);
}
}
/**
* Configures the given component by setting the value for the appropriate config option.
*
* @param component the component to be configured
* @param configName the name of the config option
* @param configValue the value of the config option
*/
@Deprecated
public static <T> void configure(Component component, String configName, T configValue) {
List<Field> fields = getAllFields(component);
for (Field f : fields) {
ConfigOption option = f.getAnnotation(ConfigOption.class);
if (option != null) {
if (option.name().equals(configName)) {
try {
PropertyEditor editor = PropertyEditor.class.newInstance();
editor.setAsText(configValue.toString());
Method method =
component
.getClass()
.getMethod(
"set"
+ Character.toUpperCase(f.getName().charAt(0))
+ f.getName().substring(1),
getClassForObject(editor.getValue()));
method.invoke(component, editor.getValue());
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
}
}
}
}
/**
* Convert the value to the required type (if necessary from a String), for the specified
* property.
*
* @param propertyName name of the property
* @param oldValue previous value, if available (may be <code>null</code>)
* @param newValue proposed change value
* @param requiredType the type we must convert to (or <code>null</code> if not known, for example
* in case of a collection element)
* @return the new value, possibly the result of type conversion
* @throws TypeMismatchException if type conversion failed
*/
protected Object doTypeConversionIfNecessary(
String propertyName,
String fullPropertyName,
Object oldValue,
Object newValue,
Class requiredType)
throws TypeMismatchException {
Object convertedValue = newValue;
if (convertedValue != null) {
// Custom editor for this type?
PropertyEditor pe = findCustomEditor(requiredType, fullPropertyName);
// Value not of required type?
if (pe != null
|| (requiredType != null
&& (requiredType.isArray()
|| !requiredType.isAssignableFrom(convertedValue.getClass())))) {
if (requiredType != null) {
if (pe == null) {
// No custom editor -> check BeanWrapperImpl's default editors.
pe = (PropertyEditor) getDefaultEditor(requiredType);
if (pe == null) {
// No BeanWrapper default editor -> check standard JavaBean editors.
pe = PropertyEditorManager.findEditor(requiredType);
}
}
}
if (pe != null && !(convertedValue instanceof String)) {
// Not a String -> use PropertyEditor's setValue.
// With standard PropertyEditors, this will return the very same object;
// we just want to allow special PropertyEditors to override setValue
// for type conversion from non-String values to the required type.
try {
pe.setValue(convertedValue);
Object newConvertedValue = pe.getValue();
if (newConvertedValue != convertedValue) {
convertedValue = newConvertedValue;
// Reset PropertyEditor: It already did a proper conversion.
// Don't use it again for a setAsText call.
pe = null;
}
} catch (IllegalArgumentException ex) {
throw new TypeMismatchException(
createPropertyChangeEvent(fullPropertyName, oldValue, newValue), requiredType, ex);
}
}
if (requiredType != null && !requiredType.isArray() && convertedValue instanceof String[]) {
// Convert String array to a comma-separated String.
// Only applies if no PropertyEditor converted the String array before.
// The CSV String will be passed into a PropertyEditor's setAsText method, if any.
if (logger.isDebugEnabled()) {
logger.debug(
"Converting String array to comma-delimited String [" + convertedValue + "]");
}
convertedValue = StringUtils.arrayToCommaDelimitedString((String[]) convertedValue);
}
if (pe != null && convertedValue instanceof String) {
// Use PropertyEditor's setAsText in case of a String value.
if (logger.isDebugEnabled()) {
logger.debug(
"Converting String to [" + requiredType + "] using property editor [" + pe + "]");
}
try {
pe.setValue(oldValue);
pe.setAsText((String) convertedValue);
convertedValue = pe.getValue();
} catch (IllegalArgumentException ex) {
throw new TypeMismatchException(
createPropertyChangeEvent(fullPropertyName, oldValue, newValue), requiredType, ex);
}
}
if (requiredType != null) {
// Array required -> apply appropriate conversion of elements.
if (requiredType.isArray()) {
Class componentType = requiredType.getComponentType();
if (convertedValue instanceof Collection) {
// Convert Collection elements to array elements.
Collection coll = (Collection) convertedValue;
Object result = Array.newInstance(componentType, coll.size());
int i = 0;
for (Iterator it = coll.iterator(); it.hasNext(); i++) {
Object value =
doTypeConversionIfNecessary(
propertyName,
propertyName + PROPERTY_KEY_PREFIX + i + PROPERTY_KEY_SUFFIX,
null,
it.next(),
componentType);
Array.set(result, i, value);
}
return result;
} else if (convertedValue != null && convertedValue.getClass().isArray()) {
// Convert Collection elements to array elements.
int arrayLength = Array.getLength(convertedValue);
Object result = Array.newInstance(componentType, arrayLength);
for (int i = 0; i < arrayLength; i++) {
Object value =
doTypeConversionIfNecessary(
propertyName,
propertyName + PROPERTY_KEY_PREFIX + i + PROPERTY_KEY_SUFFIX,
null,
Array.get(convertedValue, i),
componentType);
Array.set(result, i, value);
}
return result;
} else {
// A plain value: convert it to an array with a single component.
Object result = Array.newInstance(componentType, 1);
Object value =
doTypeConversionIfNecessary(
propertyName,
propertyName + PROPERTY_KEY_PREFIX + 0 + PROPERTY_KEY_SUFFIX,
null,
convertedValue,
componentType);
Array.set(result, 0, value);
return result;
}
}
// If the resulting value definitely doesn't match the required type,
// try field lookup as fallback. If no matching field found,
// throw explicit TypeMismatchException with full context information.
if (convertedValue != null
&& !requiredType.isPrimitive()
&& !requiredType.isAssignableFrom(convertedValue.getClass())) {
// In case of String value, try to find matching field (for JDK 1.5
// enum or custom enum with values defined as static fields).
if (convertedValue instanceof String) {
try {
Field enumField = requiredType.getField((String) convertedValue);
return enumField.get(null);
} catch (Exception ex) {
logger.debug("Field [" + convertedValue + "] isn't an enum value", ex);
}
}
// Definitely doesn't match: throw TypeMismatchException.
throw new TypeMismatchException(
createPropertyChangeEvent(fullPropertyName, oldValue, newValue), requiredType);
}
}
}
}
return convertedValue;
}
protected synchronized XADataSource getXADataSource() throws ResourceException {
if (xadsSelector != null) {
XAData xada = (XAData) xadsSelector.getUrlObject();
return xada.xads;
}
if (xads == null) {
if (xaDataSourceClass == null)
throw new JBossResourceException("No XADataSourceClass supplied!");
try {
Class clazz = Thread.currentThread().getContextClassLoader().loadClass(xaDataSourceClass);
xads = (XADataSource) clazz.newInstance();
Class[] NOCLASSES = new Class[] {};
for (Iterator i = xaProps.keySet().iterator(); i.hasNext(); ) {
String name = (String) i.next();
String value = xaProps.getProperty(name);
char firstCharName = Character.toUpperCase(name.charAt(0));
if (name.length() > 1) name = firstCharName + name.substring(1);
else name = "" + firstCharName;
// This is a bad solution. On the other hand the only known example
// of a setter with no getter is for Oracle with password.
// Anyway, each xadatasource implementation should get its
// own subclass of this that explicitly sets the
// properties individually.
Class type = null;
try {
Method getter = clazz.getMethod("get" + name, NOCLASSES);
type = getter.getReturnType();
} catch (NoSuchMethodException e) {
try {
// HACK for now until we can rethink the XADataSourceProperties variable and pass type
// information
Method isMethod = clazz.getMethod("is" + name, NOCLASSES);
type = isMethod.getReturnType();
} catch (NoSuchMethodException nsme) {
type = String.class;
}
}
Method setter = clazz.getMethod("set" + name, new Class[] {type});
PropertyEditor editor = PropertyEditorManager.findEditor(type);
if (editor == null)
throw new JBossResourceException("No property editor found for type: " + type);
editor.setAsText(value);
setter.invoke(xads, new Object[] {editor.getValue()});
}
} catch (ClassNotFoundException cnfe) {
throw new JBossResourceException(
"Class not found for XADataSource " + xaDataSourceClass, cnfe);
} catch (InstantiationException ie) {
throw new JBossResourceException("Could not create an XADataSource: ", ie);
} catch (IllegalAccessException iae) {
throw new JBossResourceException("Could not set a property: ", iae);
} catch (IllegalArgumentException iae) {
throw new JBossResourceException("Could not set a property: ", iae);
} catch (InvocationTargetException ite) {
throw new JBossResourceException("Could not invoke setter on XADataSource: ", ite);
} catch (NoSuchMethodException nsme) {
throw new JBossResourceException("Could not find accessor on XADataSource: ", nsme);
}
}
return xads;
}
@SuppressWarnings("rawtypes")
private static MenuManager generateListEditorFor(
final IMenuManager manager,
final MenuManager subMenu,
final PropertyDescriptor thisP,
final Editable[] editables,
final Layers theLayers,
final Layer topLevelLayer) {
// find out the type of the editor
final Method m = thisP.getReadMethod();
final Class cl = m.getReturnType();
MenuManager result = subMenu;
// is there a custom editor for this type?
final Class c = thisP.getPropertyEditorClass();
PropertyEditor pe = null;
// try to create an editor for this class
try {
if (c != null) pe = (PropertyEditor) c.newInstance();
} catch (final Exception e) {
MWC.Utilities.Errors.Trace.trace(e);
}
// did it work?
if (pe == null) {
// try to find an editor for this through our manager
pe = PropertyEditorManager.findEditor(cl);
}
// retrieve the tags
final String[] tags = pe.getTags();
// are there any tags for this class?
if (tags != null) {
// create a drop-down list
final MenuManager thisChoice = new MenuManager(thisP.getDisplayName());
// sort out the setter details
final Method getter = thisP.getReadMethod();
// get the current value
Object val = null;
try {
val = getter.invoke(editables[0], (Object[]) null);
} catch (final Exception e) {
MWC.Utilities.Errors.Trace.trace(e);
}
pe.setValue(val);
// convert the current value to text
final String currentValue = pe.getAsText();
// and now a drop-down item for each options
for (int j = 0; j < tags.length; j++) {
final String thisTag = tags[j];
pe.setAsText(thisTag);
final Object thisValue = pe.getValue();
// create the item
final IAction thisA =
new Action(thisTag, IAction.AS_RADIO_BUTTON) {
public void run() {
try {
// hey, since this is a radio button, we get two events when the
// selection changes - one for the value being unset, and the
// other
// for the value being set. So just fire for the new value (the
// one that's checked)
if (isChecked()) {
final Method setter = thisP.getWriteMethod();
// ok, place the change in the action
final ListPropertyAction la =
new ListPropertyAction(
thisP.getDisplayName(),
editables,
getter,
setter,
thisValue,
theLayers,
topLevelLayer);
// and add it to the history
CorePlugin.run(la);
}
} catch (final Exception e) {
CorePlugin.logError(
IStatus.INFO, "While executing select editor for:" + thisP, e);
}
}
};
// is this the current one?
if (thisTag.equals(currentValue)) {
thisA.setChecked(true);
}
// add it to the menu
thisChoice.add(thisA);
}
// is our sub-menu already created?
if (result == null) {
String nameStr;
if (editables.length > 1) nameStr = MULTIPLE_ITEMS_STR;
else nameStr = editables[0].getName();
result = new MenuManager(nameStr);
manager.add(result);
}
result.add(thisChoice);
}
return result;
}
@Test
public void testPropertyEditor() throws Exception {
// test
Class<T> type = getType();
PropertyEditor editor = finder.find(type);
String[] inputData = getInputData();
Object[] expectedData = getOutputData();
String[] expectedStringData = getConvertedToText();
try {
assertTrue("Did not find property editor for type: " + type, editor != null);
assertEquals(
"Editor has wrong package!",
this.getClass().getPackage(),
editor.getClass().getPackage());
logger.finest(
"Found property editor for: " + type + ", editor=" + editor.getClass().getName());
assertEquals(editor + " input length", inputData.length, expectedData.length);
} catch (Exception e) {
throw new RuntimeException(e);
}
for (int i = 0; i < inputData.length; i++) {
String input = inputData[i];
editor.setAsText(input);
// TODO: check instance?
T expected = (T) expectedData[i];
T output = (T) editor.getValue();
Comparator<T> c = getComparator();
boolean equals = false;
if (c == null) {
equals = output != null ? output.equals(expected) : expected == null;
} else {
equals = c.compare(output, expected) == 0;
}
assertTrue(
"Test at index '"
+ i
+ "'. Transform("
+ editor
+ ") of "
+ input
+ "\n does not equal! \nexpected = "
+ logT(expected)
+ "\noutput = "
+ logT(output),
equals);
String expectedStringOutput = expectedStringData[i];
String stringOutput = editor.getAsText();
logger.finest("setAsText '" + logString(input) + "'");
logger.finest("getAsText '" + logString(stringOutput) + "'");
if (type != Properties.class) {
// We can't meaningfully compare the PropertiesEditor string output
String msg =
"Test at index '"
+ i
+ "'. PropertyEditor: "
+ editor.getClass().getName()
+ ", getAsText() == expectedStringOutput '";
assertEquals(msg, expectedStringOutput, stringOutput);
}
}
}
public static void setValues(
Object target, Map<?, ?> attribs, boolean isXmlAttribs, boolean failOnMissingSetter) {
Class<?> objectClass = target.getClass();
// go thru simple string setters first.
for (Map.Entry<?, ?> entry : attribs.entrySet()) {
String propName = (String) entry.getKey();
String setter = BeanUtils.setterName(propName);
String fluentSetter = BeanUtils.fluentSetterName(propName);
try {
Method method;
if (isXmlAttribs) {
method = objectClass.getMethod(setter, Element.class);
method.invoke(target, entry.getValue());
} else {
method = objectClass.getMethod(setter, String.class);
method.invoke(target, entry.getValue());
}
continue;
} catch (NoSuchMethodException me) {
// this is ok, but certainly log this as a warning
// this is hugely noisy!
// if (log.isWarnEnabled()) log.warn("Unrecognised attribute " + propName + ". Please check
// your configuration. Ignoring!!");
} catch (Exception e) {
throw new CacheConfigurationException(
"Unable to invoke setter " + setter + " on " + objectClass, e);
}
boolean setterFound = false;
// if we get here, we could not find a String or Element setter.
for (Method m : objectClass.getMethods()) {
if (setter.equals(m.getName()) || fluentSetter.equals(m.getName())) {
Class<?> paramTypes[] = m.getParameterTypes();
if (paramTypes.length != 1) {
log.tracef(
"Rejecting setter %s on class %s due to incorrect number of parameters",
m, objectClass);
continue; // try another param with the same name.
}
Class<?> parameterType = paramTypes[0];
PropertyEditor editor = PropertyEditorManager.findEditor(parameterType);
if (editor == null) {
throw new CacheConfigurationException(
"Couldn't find a property editor for parameter type " + parameterType);
}
editor.setAsText((String) attribs.get(propName));
Object parameter = editor.getValue();
// if (log.isDebugEnabled()) log.debug("Invoking setter method: " + setter + " with
// parameter \"" + parameter + "\" of type " + parameter.getClass());
try {
m.invoke(target, parameter);
setterFound = true;
break;
} catch (Exception e) {
throw new CacheConfigurationException(
"Unable to invoke setter " + setter + " on " + objectClass, e);
}
}
}
// Skip hot rod properties ...
if (!setterFound && failOnMissingSetter && !propName.startsWith("infinispan.client.hotrod"))
throw new CacheConfigurationException(
"Couldn't find a setter named ["
+ setter
+ "] which takes a single parameter, for parameter "
+ propName
+ " on class ["
+ objectClass
+ "]");
}
}
