/**
* Set the object to be edited.
*
* @param value The object to be edited.
*/
public void setObject(Object value) {
if (!(_type.isInstance(value))) {
throw new IllegalArgumentException(value.getClass() + " is not of type " + _type);
}
_value = value;
// Disable event generation.
_squelchChangeEvents = true;
// Iterate over each property, doing a lookup on the associated editor
// and setting the editor's value to the value of the property.
Iterator it = _prop2Editor.keySet().iterator();
while (it.hasNext()) {
PropertyDescriptor desc = (PropertyDescriptor) it.next();
PropertyEditor editor = (PropertyEditor) _prop2Editor.get(desc);
Method reader = desc.getReadMethod();
if (reader != null) {
try {
Object val = reader.invoke(_value, null);
editor.setValue(val);
} catch (IllegalAccessException ex) {
ex.printStackTrace();
} catch (InvocationTargetException ex) {
ex.getTargetException().printStackTrace();
}
}
}
// Enable event generation.
_squelchChangeEvents = false;
}
public void propertyChange(PropertyChangeEvent e) {
if (_squelchChangeEvents) return;
PropertyEditor editor = (PropertyEditor) e.getSource();
PropertyDescriptor prop = (PropertyDescriptor) _editor2Prop.get(editor);
Method writer = prop.getWriteMethod();
if (writer != null) {
try {
Object[] params = {editor.getValue()};
writer.invoke(_value, params);
setObject(_value);
firePropertyChange(_value, prop.getName(), null, editor.getValue());
} catch (IllegalAccessException ex) {
ex.printStackTrace();
} catch (InvocationTargetException ex) {
ex.getTargetException().printStackTrace();
}
}
}
protected void getBeanElementProperties(Element element, Object bean, PropertyDescriptor pd)
throws IntrospectionException, IllegalAccessException {
Element propertyElement = null;
Class classOfProperty = pd.getPropertyType();
Object[] argsNone = {};
// If the property is "class" and the type is java.lang.Class.class then
// this is the class of the bean, which we've already encoded.
// In this special case, return null.
if (!((pd.getName().charAt(0) == 'c') && pd.getName().equals("class"))
&& !classOfProperty.equals(java.lang.Class.class)) {
// Don't process property if it is in the list of fields to be ignored
boolean omittedField = false;
try {
Field field = bean.getClass().getDeclaredField(pd.getName());
omittedField = field.isAnnotationPresent(ObjectXmlOmitField.class);
} catch (NoSuchFieldException nsfe) {
}
if (!omittedField) {
String propertyName = formatName(pd.getName());
// Hereafter, we're trying to create a representation of the property
// based on the property's value.
// The very first thing we need to do is get the value of the
// property as an object. If we can't do that, we can't get any
// representation of the property at all.
Object propertyValue = null;
try {
Method getter = pd.getReadMethod();
if (getter != null) {
propertyValue = getter.invoke(bean, argsNone);
}
} catch (Exception ex) {
// couldn't get value
System.err.println(ex.getMessage());
}
// See if this property's value is something we can represent as a
// standard data type that can be converted to an xsd type,
// or if it's something that must be represented as a JavaBean.
if (propertyElement == null) {
PropertyEditor propEditor = PropertyEditorManager.findEditor(classOfProperty);
// If the property editor is not null, pass the property's
// value to the PropertyEditor, and then ask the PropertyEditor
// for the object and then attempt to convert it to a standard type.
if ((propEditor != null)
|| (classOfProperty == java.util.Calendar.class)
|| (classOfProperty == java.util.Date.class)) {
// The object is a standard type
// (e.g. a wrapper around a primitive type, a String, or a Date or Calendar object)
try {
Object object;
if ((classOfProperty == java.util.Calendar.class)
|| (classOfProperty == java.util.Date.class)) object = propertyValue;
else {
propEditor.setValue(propertyValue);
object = propEditor.getValue();
}
Element childElement = getStandardObjectElement(document, object, propertyName);
if (includeNullValues
|| !childElement
.getAttribute(
NamespaceConstants.NSPREFIX_SCHEMA_XSI
+ ":"
+ org.apache.axis.Constants.ATTR_TYPE)
.equals("anyType")) {
if (!includeTypeInfo) {
childElement.removeAttribute(
NamespaceConstants.NSPREFIX_SCHEMA_XSI
+ ":"
+ org.apache.axis.Constants.ATTR_TYPE);
childElement.removeAttribute(NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":null");
}
try {
Field field = bean.getClass().getDeclaredField(propertyName);
if (field.isAnnotationPresent(ObjectXmlAsAttribute.class)) {
String attrName = null;
if (includeTypeInfo) attrName = nsPrefix + ":" + propertyName;
else attrName = propertyName;
element.setAttribute(attrName, childElement.getFirstChild().getNodeValue());
} else if (field.isAnnotationPresent(ObjectXmlAsValue.class))
element.setTextContent(childElement.getFirstChild().getNodeValue());
else element.appendChild(childElement);
} catch (NoSuchFieldException nfse) {
element.appendChild(childElement);
}
}
} catch (Exception e) {
}
} else {
// The object is not an XSD-encoded datatype, it must be a JavaBean
try {
String propertyTypeName = null;
if (propertyValue != null) {
// get object type
Class propertyType = pd.getPropertyType();
propertyTypeName = propertyType.getName();
}
getBeanElements(element, propertyName, propertyTypeName, propertyValue);
} catch (Exception e) {
}
}
}
}
}
}
/**
* Standard constructor.
*
* @param type Type that you are going to be creating and editor for.
* @param readOnly Set to true to create a read-only customizer.
*/
public DynamicCustomizer(Class type, boolean readOnly) {
super(new GridBagLayout());
_readOnly = readOnly;
_type = type;
LabelFieldGBC gbc = new LabelFieldGBC();
try {
BeanInfo info = Introspector.getBeanInfo(type);
// Set up pretty display stuff.
setBorder(BorderFactory.createTitledBorder(info.getBeanDescriptor().getDisplayName()));
setToolTipText(info.getBeanDescriptor().getShortDescription());
// Get the properties and sort them.
PropertyDescriptor[] props = info.getPropertyDescriptors();
Arrays.sort(props, new PropertyComparator());
for (int i = 0; i < props.length; i++) {
// Ignore the "class" property, if it is provided.
if (props[i].getName().equals("class")) continue;
// Create a label for the field.
JLabel label = new JLabel(props[i].getDisplayName() + ":");
// Lookup the editor.
PropertyEditor editor = getEditorForProperty(props[i]);
// Add a listener to the editor so we know when to update
// the bean's fields.
editor.addPropertyChangeListener(_eListener);
// XXX What we need to do right here is provide a component
// that makes use of the "paintable" capability of the editor.
Component comp = editor.getCustomEditor();
if (comp == null) {
comp = new JLabel("<No editor available.>");
((JLabel) comp).setBorder(BorderFactory.createEtchedBorder());
}
// See if it is a read-only property. If so, then just
// display it.
if (_readOnly || props[i].getWriteMethod() == null) {
comp.setEnabled(false);
}
// Setup the accellerator key.
label.setLabelFor(comp);
label.setDisplayedMnemonic(label.getText().charAt(0));
// Set the tool tip text, if any.
String tip = props[i].getShortDescription();
if (tip != null) {
label.setToolTipText(tip);
if (comp instanceof JComponent) {
((JComponent) comp).setToolTipText(tip);
}
}
// Add the label and fields.
add(label, gbc.forLabel());
add(comp, gbc.forField());
// Set the mappings between editor and property, etc. for
// quick lookup later.
_prop2Editor.put(props[i], editor);
_editor2Prop.put(editor, props[i]);
}
// Filler...
add(new JLabel(), gbc.forLastLabel());
} catch (Exception ex) {
ex.printStackTrace();
}
}
