public Bean(String classPackage, String clazz, ClassLoaderStrategy cls, Bean topLevelBean) throws Exception { // Get the no-arg constructor and create the bean try { Class classOfBean = ObjectXml.getClassOfBean((ClassLoader) cls, classPackage + "." + clazz); Constructor ct = null; // check whether this class is an inner class if (classOfBean.getEnclosingClass() != null) { ct = classOfBean.getConstructor(new Class[] {classOfBean.getEnclosingClass()}); beanObject = ct.newInstance(new Object[] {topLevelBean.getBeanObject()}); } else { ct = classOfBean.getConstructor((Class[]) null); beanObject = ct.newInstance((Object[]) null); } // Get an array of property descriptors beanInfo = Introspector.getBeanInfo(classOfBean); PropertyDescriptor[] pds = beanInfo.getPropertyDescriptors(); // load property descriptors into hashtable propDesc = new Properties(); for (int i = 0; i < pds.length; i++) { propDesc.put(pds[i].getName(), pds[i]); } } catch (Exception e) { System.err.println("Exception creating bean: " + e.getMessage()); e.printStackTrace(); throw e; } }
/** * Reads the children of an XML element and matches them to properties of a bean. * * @param ob The bean to receive the values * @param element The element the corresponds to the bean * @throws IOException If there is an error reading the document */ public void readObject(Object ob, Element element) throws IOException { // If the object is null, skip the element if (ob == null) { return; } try { BeanInfo info = (BeanInfo) beanCache.get(ob.getClass()); if (info == null) { // Get the bean info for the object info = Introspector.getBeanInfo(ob.getClass(), Object.class); beanCache.put(ob.getClass(), info); } // Get the object's properties PropertyDescriptor[] props = info.getPropertyDescriptors(); // Get the attributes of the node NamedNodeMap attrs = element.getAttributes(); // Get the children of the XML element NodeList nodes = element.getChildNodes(); int numNodes = nodes.getLength(); for (int i = 0; i < props.length; i++) { // Treat indexed properties a little differently if (props[i] instanceof IndexedPropertyDescriptor) { readIndexedProperty(ob, (IndexedPropertyDescriptor) props[i], nodes, attrs); } else { readProperty(ob, props[i], nodes, attrs); } } } catch (IntrospectionException exc) { throw new IOException( "Error getting bean info for " + ob.getClass().getName() + ": " + exc.toString()); } }
/* PROTECTED METHODS */ protected void getBeanElements( Element parentElement, String objectName, String objectType, Object bean) throws IntrospectionException, IllegalAccessException { if (objectName == null) { // Get just the class name by lopping off the package name StringBuffer sb = new StringBuffer(bean.getClass().getName()); sb.delete(0, sb.lastIndexOf(".") + 1); objectName = sb.toString(); } // Check if the bean is a standard Java object type or a byte[] (encoded as a base 64 array) Element element = getStandardObjectElement(document, bean, objectName); // If the body element object is null then the bean is not a standard Java object type if (element != null) { if (includeNullValues || !element .getAttribute( NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":" + org.apache.axis.Constants.ATTR_TYPE) .equals("anyType")) { if (!includeTypeInfo) { element.removeAttribute( NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":" + org.apache.axis.Constants.ATTR_TYPE); element.removeAttribute(NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":null"); } parentElement.appendChild(element); } } else { // Analyze the bean Class classOfBean = null; if (bean != null) classOfBean = bean.getClass(); // If the object is an array, then serialize each of the beans in the array. if ((classOfBean != null) && (classOfBean.isArray())) { String[] arrayInfo = getXsdSoapArrayInfo(classOfBean.getCanonicalName(), nsPrefix); int arrayLen = Array.getLength(bean); StringBuffer arrayType = new StringBuffer(arrayInfo[1]); arrayType.insert(arrayType.indexOf("[]") + 1, arrayLen); if (objectName.charAt(objectName.length() - 1) == ';') objectName = new StringBuffer(objectName).deleteCharAt(objectName.length() - 1).toString(); element = document.createElement(objectName); parentElement.appendChild(element); // Get the bean objects from the array and serialize each for (int i = 0; i < arrayLen; i++) { Object b = Array.get(bean, i); if (b != null) { String name = null; if (objectName.charAt(objectName.length() - 1) == 's') { name = formatName(objectName.substring(0, objectName.length() - 1)); } getBeanElements(element, name, b.getClass().getName(), b); } else { // Array element is null, so don't include it and decrement the # elements in the array int index = arrayType.indexOf("["); arrayType.replace(index + 1, index + 2, String.valueOf(--arrayLen)); } if (includeTypeInfo) { element.setAttributeNS( NamespaceConstants.NSURI_SCHEMA_XSI, NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":" + Constants.ATTR_TYPE, NamespaceConstants.NSPREFIX_SOAP_ENCODING + ":Array"); element.setAttributeNS( NamespaceConstants.NSURI_SOAP_ENCODING, NamespaceConstants.NSPREFIX_SOAP_ENCODING + ":" + Constants.ATTR_ARRAY_TYPE, arrayInfo[0] + ":" + arrayType.toString()); } } } else { int beanType = 0; String beanName = null; if (classOfBean != null) { if (classOfBean == Vector.class) { beanType = 1; beanName = "Vector"; } else if (classOfBean == ArrayList.class) { beanType = 2; beanName = "ArrayList"; } else if (classOfBean == LinkedList.class) { beanType = 3; beanName = "LinkedList"; } else if (classOfBean == Hashtable.class) { beanType = 4; beanName = "Hashtable"; } else if (classOfBean == Properties.class) { beanType = 5; beanName = "Properties"; } else if ((classOfBean == HashMap.class) || (classOfBean == SortedMap.class)) { beanType = 6; beanName = "Map"; } } if (beanType > 0) { String prefix = null; if ((beanType == 1) || (beanType == 5)) prefix = NamespaceConstants.NSPREFIX_SOAP_ENCODING; if (beanType == 6) prefix = Constants.NS_PREFIX_XMLSOAP; else prefix = DEFAULT_NS_PREFIX; element = document.createElement(objectName); if (includeTypeInfo) { element.setAttributeNS( NamespaceConstants.NSURI_SCHEMA_XSI, NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":" + Constants.ATTR_TYPE, prefix + ":" + beanName); if (bean == null) element.setAttributeNS( NamespaceConstants.NSURI_SCHEMA_XSI, NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":null", "true"); } parentElement.appendChild(element); if ((beanType >= 1) && (beanType <= 3)) { AbstractCollection collection = (AbstractCollection) bean; // Get the bean objects from the vector and serialize each Iterator it = collection.iterator(); while (it.hasNext()) { Object b = it.next(); String name = null; if (b != null) { if (objectName.charAt(objectName.length() - 1) == 's') { name = formatName(objectName.substring(0, objectName.length() - 1)); } else name = "item"; } getBeanElements(element, name, b.getClass().getName(), b); } } else if ((beanType == 4) || (beanType == 5)) { Hashtable hashtable = (Hashtable) bean; // Get the bean objects from the hashtable or properties and serialize each Enumeration en = hashtable.keys(); while (en.hasMoreElements()) { Object key = en.nextElement(); String keyClassName = key.getClass().getName(); Object value = hashtable.get(key); String beanClassName = null; if (value != null) beanClassName = value.getClass().getName(); Element itemElement = document.createElement("item"); element.appendChild(itemElement); getBeanElements(itemElement, "key", keyClassName, key); getBeanElements(itemElement, "value", beanClassName, value); } } else if (beanType == 6) { Map map = null; if (classOfBean == HashMap.class) map = (HashMap) bean; else if (classOfBean == SortedMap.class) map = (SortedMap) bean; // Get the bean objects from the hashmap and serialize each Set set = map.keySet(); Iterator it = set.iterator(); while (it.hasNext()) { Object key = it.next(); String keyClassName = key.getClass().getName(); Object value = map.get(key); String beanClassName = null; if (value != null) beanClassName = value.getClass().getName(); Element itemElement = document.createElement("item"); element.appendChild(itemElement); getBeanElements(itemElement, "key", keyClassName, key); getBeanElements(itemElement, "value", beanClassName, value); } } } else { // Create a parent element for this bean's properties if (objectName.charAt(objectName.length() - 1) == ';') objectName = new StringBuffer(objectName).deleteCharAt(objectName.length() - 1).toString(); objectName = formatName(objectName); element = document.createElement(objectName); parentElement.appendChild(element); if (includeTypeInfo) { StringBuffer className = new StringBuffer(objectType); element.setAttributeNS( NamespaceConstants.NSURI_SCHEMA_XSI, NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":" + Constants.ATTR_TYPE, nsPrefix + ":" + className.delete(0, className.lastIndexOf(".") + 1).toString()); } if (classOfBean != null) { // Get an array of property descriptors BeanInfo bi = Introspector.getBeanInfo(classOfBean); PropertyDescriptor[] pds = bi.getPropertyDescriptors(); // For each property of the bean, get a SOAPBodyElement that // represents the individual property. Append that SOAPBodyElement // to the class name element of the SOAP body. for (int i = 0; i < pds.length; i++) { PropertyDescriptor pd = pds[i]; getBeanElementProperties(element, bean, pd); } } else { if (includeTypeInfo) element.setAttributeNS( NamespaceConstants.NSURI_SCHEMA_XSI, NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":null", "true"); } } } } }
public String getPublicPropertiesForClasses(String classNames[]) { StringBuilder result = new StringBuilder(); String className = null; ArrayList publicFields = new ArrayList(); result.append("<classDefinitions>"); if (classNames != null && classNames.length > 0) { for (int i = 0; i < classNames.length; i++) { className = classNames[i]; if (className != null) { result.append("<classDefinition>"); try { Class c = Class.forName(className); Field fields[] = c.getFields(); Field field = null; if (fields != null) { for (int k = 0; k < fields.length; k++) { field = fields[k]; if (field != null) publicFields.add( (new StringBuilder(String.valueOf(field.getName()))) .append(",") .append(field.getType().getName()) .toString()); } } try { BeanInfo b = Introspector.getBeanInfo(c); result.append( (new StringBuilder("<classSimpleName>")) .append(c.getSimpleName()) .append("</classSimpleName>") .toString()); result.append( (new StringBuilder("<classFullName>")) .append(c.getName()) .append("</classFullName>") .toString()); Package pack = c.getPackage(); String packStr = ""; if (pack != null) packStr = pack.getName(); result.append( (new StringBuilder("<packageName>")) .append(packStr) .append("</packageName>") .toString()); PropertyDescriptor pds[] = b.getPropertyDescriptors(); if (pds != null) { for (int propCount = 0; propCount < pds.length; propCount++) { PropertyDescriptor pd = pds[propCount]; String propertyName = pd.getName(); Method readMethod = pd.getReadMethod(); Method writeMethod = pd.getWriteMethod(); if (readMethod != null && isPublicAccessor(readMethod.getModifiers()) && writeMethod != null && isPublicAccessor(writeMethod.getModifiers())) publicFields.add( (new StringBuilder(String.valueOf(propertyName))) .append(",") .append(pd.getPropertyType().getName()) .toString()); } } } catch (Exception e) { e.printStackTrace(); } if (publicFields != null && publicFields.size() > 0) { String temp = null; result.append("<publicFields>"); for (int counter = 0; counter < publicFields.size(); counter++) { temp = (String) publicFields.get(counter); if (temp != null) { String pubTemp[] = temp.split(","); if (pubTemp.length == 2) { result.append("<publicField>"); result.append( (new StringBuilder("<publicFieldName>")) .append(pubTemp[0]) .append("</publicFieldName>") .toString()); result.append( (new StringBuilder("<publicFieldType>")) .append(pubTemp[1]) .append("</publicFieldType>") .toString()); result.append("</publicField>"); } } } result.append("</publicFields>"); } } catch (ClassNotFoundException e) { result.append( (new StringBuilder("<classFullName>")) .append(className) .append("</classFullName>") .toString()); result.append( (new StringBuilder("<error>Problem retrieving ")) .append(className) .append(" information</error>") .toString()); System.out.println(e.getMessage()); } result.append("</classDefinition>"); } } } result.append("</classDefinitions>"); return result.toString(); }
/** * Create a new ProjectionClass from the class * * @param pc projection class * @throws ClassNotFoundException couldn't find the class * @throws IntrospectionException problem with introspection */ ProjectionClass(Class pc) throws ClassNotFoundException, IntrospectionException { projClass = pc; // eliminate common properties with "stop class" for getBeanInfo() Class stopClass; try { stopClass = Misc.findClass("ucar.unidata.geoloc.ProjectionImpl"); } catch (Exception ee) { System.err.println("constructParamInput failed "); stopClass = null; } // analyze current projection class as a bean; may throw IntrospectionException BeanInfo info = java.beans.Introspector.getBeanInfo(projClass, stopClass); // find read/write methods PropertyDescriptor[] props = info.getPropertyDescriptors(); if (debugBeans) { System.out.print("Bean Properties for class " + projClass); if ((props == null) || (props.length == 0)) { System.out.println("none"); return; } System.out.println(""); } for (int i = 0; i < props.length; i++) { PropertyDescriptor pd = props[i]; Method reader = pd.getReadMethod(); Method writer = pd.getWriteMethod(); // only interesetd in read/write properties if ((reader == null) || (writer == null)) { continue; } // A hack to exclude some attributes if (pd.getName().equals("name") || pd.getName().equals("defaultMapArea")) { continue; } ProjectionParam p = new ProjectionParam(pd.getName(), reader, writer, pd.getPropertyType()); paramList.add(p); if (debugBeans) { System.out.println(" -->" + p); } } // get an instance of this class so we can call toClassName() Projection project; if (null == (project = makeDefaultProjection())) { name = "none"; return; } // invoke the toClassName method try { Method m = projClass.getMethod("getProjectionTypeLabel", VOIDCLASSARG); name = (String) m.invoke(project, VOIDOBJECTARG); } catch (NoSuchMethodException ee) { System.err.println( "ProjectionManager: class " + projClass + " does not have method getProjectionTypeLabel()"); throw new ClassNotFoundException(); } catch (SecurityException ee) { System.err.println( "ProjectionManager: class " + projClass + " got SecurityException on getProjectionTypeLabel()" + ee); throw new ClassNotFoundException(); } catch (Exception ee) { System.err.println( "ProjectionManager: class " + projClass + " Exception when invoking getProjectionTypeLabel()" + ee); throw new ClassNotFoundException(); } }
/** * 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(); } }