Document parseDocument(String filename) throws Exception { FileReader reader = new FileReader(filename); String firstLine = new BufferedReader(reader).readLine(); reader.close(); Document document = null; if (firstLine.startsWith("<?xml")) { System.err.println("XML detected; using default XML parser."); } else { try { Class nekoParserClass = Class.forName("org.cyberneko.html.parsers.DOMParser"); Object parser = nekoParserClass.newInstance(); Method parse = nekoParserClass.getMethod("parse", new Class[] {String.class}); Method getDocument = nekoParserClass.getMethod("getDocument", new Class[0]); parse.invoke(parser, filename); document = (Document) getDocument.invoke(parser); } catch (Exception e) { System.err.println("NekoHTML HTML parser not found; HTML4 support disabled."); } } if (document == null) { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); try { // http://www.w3.org/blog/systeam/2008/02/08/w3c_s_excessive_dtd_traffic factory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false); } catch (ParserConfigurationException e) { System.err.println("Warning: Could not disable external DTD loading"); } DocumentBuilder builder = factory.newDocumentBuilder(); document = builder.parse(filename); } return document; }
public void setProperty(String name, Object object) { PropertyDescriptor pd = getPropertyDescriptor(name); if (pd != null) { Object[] args = {object}; Object propertyValue = null; try { Method setter = pd.getWriteMethod(); if (setter != null) { propertyValue = setter.invoke(beanObject, args); } } catch (Exception e) { System.err.println("Exception setting bean property: " + e.getMessage()); System.err.println("Property name: " + name); System.err.println("Property value: " + propertyValue); } } }
private Object createObject( Node node, String name, String classPackage, String type, String value, boolean setProperty) { Bean parentBean = null; if (beansStack.size() > 0) parentBean = (Bean) beansStack.peek(); Object object = null; // param is either an XSD type or a bean, // check if it can be converted to an XSD type XSDatatype dt = null; try { dt = DatatypeFactory.getTypeByName(type); } catch (DatatypeException dte) { // the type is not a valid XSD data type } // convert null value to default if ((dt != null) && (value == null)) { Class objType = dt.getJavaObjectType(); if (objType == String.class) value = ""; else if ((objType == java.math.BigInteger.class) || (objType == Long.class) || (objType == Integer.class) || (objType == Short.class) || (objType == Byte.class)) value = "0"; else if ((objType == java.math.BigDecimal.class) || (objType == Double.class) || (objType == Float.class)) value = "0.0"; else if (objType == Boolean.class) value = "false"; else if (objType == java.util.Date.class) value = DateUtils.getCurrentDate(); else if (objType == java.util.Calendar.class) value = DateUtils.getCurrentDateTime(); } // check whether the type was converted to an XSD datatype if ((dt != null) && dt.isValid(value, null)) { // create and return an XSD Java object (e.g. String, Integer, Boolean, etc) object = dt.createJavaObject(value, null); if (object instanceof java.util.Calendar) { // check that the object is truly a Calendar // because DatatypeFactory converts xsd:date // types to GregorianCalendar instead of Date. if (type.equals("date")) { java.text.DateFormat df = new java.text.SimpleDateFormat("yyyy-MM-dd"); try { object = df.parse(value); } catch (java.text.ParseException pe) { object = new java.util.Date(); } } } } else { // Create a bean object if (topLevelBean == null) topLevelBean = parentBean; object = pushBeanOnStack(classPackage, type); // Check fields to see if this property is the 'value' for the object Field[] fields = object.getClass().getDeclaredFields(); for (int i = 0; i < fields.length; i++) { if (fields[i].isAnnotationPresent(ObjectXmlAsValue.class)) { try { StringBuffer fieldName = new StringBuffer(fields[i].getName()); char c = fieldName.charAt(0); if (c >= 'a' && c <= 'z') { c += 'A' - 'a'; } fieldName.setCharAt(0, c); fieldName.insert(0, "set"); Method method = object .getClass() .getMethod(fieldName.toString(), new Class[] {fields[i].getType()}); method.invoke(object, value); break; } catch (Exception e) { System.err.println(e.getMessage()); } } } NamedNodeMap nodeAttrs = node.getAttributes(); // iterate attributes and set field values for property attributes for (int i = 0; i < nodeAttrs.getLength(); i++) { String nodePrefix = nodeAttrs.item(i).getPrefix(); if (nodePrefix.equals(nsPrefix)) { String nodeName = nodeAttrs.item(i).getLocalName(); String nodeValue = nodeAttrs.item(i).getNodeValue(); try { Field field = object.getClass().getDeclaredField(nodeName); if (field.isAnnotationPresent(ObjectXmlAsAttribute.class)) { StringBuffer fieldName = new StringBuffer(field.getName()); char c = fieldName.charAt(0); if (c >= 'a' && c <= 'z') { c += 'A' - 'a'; } fieldName.setCharAt(0, c); fieldName.insert(0, "set"); Method method = object.getClass().getMethod(fieldName.toString(), new Class[] {field.getType()}); if (field.getType() == String.class) method.invoke(object, nodeValue); else if (field.getType() == Boolean.TYPE) method.invoke(object, StringUtils.strToBool(nodeValue, "true")); else if (field.getType() == Byte.TYPE) method.invoke(object, Byte.valueOf(nodeValue).byteValue()); else if (field.getType() == Character.TYPE) method.invoke(object, Character.valueOf(nodeValue.charAt(0))); else if (field.getType() == Double.TYPE) method.invoke(object, Double.valueOf(nodeValue).doubleValue()); else if (field.getType() == Float.TYPE) method.invoke(object, Float.valueOf(nodeValue).floatValue()); else if (field.getType() == Integer.TYPE) method.invoke(object, Integer.valueOf(nodeValue).intValue()); else if (field.getType() == Long.TYPE) method.invoke(object, Long.valueOf(nodeValue).longValue()); else if (field.getType() == Short.TYPE) method.invoke(object, Short.valueOf(nodeValue).shortValue()); } } catch (Exception e) { System.err.println(e.getMessage()); } } } } if ((parentBean != null) && (setProperty)) { parentBean.setProperty(name, object); } return object; }
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) { } } } } } }
/** * Reads XML element(s) into an indexed bean property by first locating the XML element(s) * corresponding to this property. * * @param ob The bean whose property is being set * @param desc The property that will be set * @param nodes The list of XML items that may contain the property * @throws IOException If there is an error reading the document */ public void readIndexedProperty( Object ob, IndexedPropertyDescriptor desc, NodeList nodes, NamedNodeMap attrs) throws IOException { // Create a vector to hold the property values Vector v = new Vector(); int numAttrs = attrs.getLength(); for (int i = 0; i < numAttrs; i++) { // See if this attribute matches the property name if (namesMatch(desc.getName(), attrs.item(i).getNodeName())) { // Get the property value Object obValue = getObjectValue(desc, attrs.item(i).getNodeValue()); if (obValue != null) { // Add the value to the list of values to be set v.addElement(obValue); } } } int numNodes = nodes.getLength(); for (int i = 0; i < numNodes; i++) { Node node = nodes.item(i); // Skip non-element nodes if (!(node instanceof Element)) continue; Element element = (Element) node; // See if this element tag matches the property name if (namesMatch(desc.getName(), element.getTagName())) { // Get the property value Object obValue = getObjectValue(desc, element); if (obValue != null) { // Add the value to the list of values to be set v.addElement(obValue); } } } // Get the method used to set the property value Method setter = desc.getWriteMethod(); // If this property has no setter, don't write it if (setter == null) return; // Create a new array of property values Object propArray = Array.newInstance(desc.getPropertyType().getComponentType(), v.size()); // Copy the vector into the array v.copyInto((Object[]) propArray); try { // Store the array of property values setter.invoke(ob, new Object[] {propArray}); } catch (InvocationTargetException exc) { throw new IOException("Error setting property " + desc.getName() + ": " + exc.toString()); } catch (IllegalAccessException exc) { throw new IOException("Error setting property " + desc.getName() + ": " + exc.toString()); } }
/** * Reads an XML element into a bean property by first locating the XML element corresponding to * this property. * * @param ob The bean whose property is being set * @param desc The property that will be set * @param nodes The list of XML items that may contain the property * @throws IOException If there is an error reading the document */ public void readProperty(Object ob, PropertyDescriptor desc, NodeList nodes, NamedNodeMap attrs) throws IOException { int numAttrs = attrs.getLength(); for (int i = 0; i < numAttrs; i++) { // See if the attribute name matches the property name if (namesMatch(desc.getName(), attrs.item(i).getNodeName())) { // Get the method used to set this property Method setter = desc.getWriteMethod(); // If this object has no setter, don't bother writing it if (setter == null) continue; // Get the value of the property Object obValue = getObjectValue(desc, attrs.item(i).getNodeValue()); if (obValue != null) { try { // Set the property value setter.invoke(ob, new Object[] {obValue}); } catch (InvocationTargetException exc) { throw new IOException( "Error setting property " + desc.getName() + ": " + exc.toString()); } catch (IllegalAccessException exc) { throw new IOException( "Error setting property " + desc.getName() + ": " + exc.toString()); } } return; } } int numNodes = nodes.getLength(); Vector arrayBuild = null; for (int i = 0; i < numNodes; i++) { Node node = nodes.item(i); // If this node isn't an element, skip it if (!(node instanceof Element)) continue; Element element = (Element) node; // See if the tag name matches the property name if (namesMatch(desc.getName(), element.getTagName())) { // Get the method used to set this property Method setter = desc.getWriteMethod(); // If this object has no setter, don't bother writing it if (setter == null) continue; // Get the value of the property Object obValue = getObjectValue(desc, element); // 070201 MAW: Modified from change submitted by Steve Poulson if (setter.getParameterTypes()[0].isArray()) { if (arrayBuild == null) { arrayBuild = new Vector(); } arrayBuild.addElement(obValue); // 070201 MAW: Go ahead and read through the rest of the nodes in case // another one matches the array. This has the effect of skipping // over the "return" statement down below continue; } if (obValue != null) { try { // Set the property value setter.invoke(ob, new Object[] {obValue}); } catch (InvocationTargetException exc) { throw new IOException( "Error setting property " + desc.getName() + ": " + exc.toString()); } catch (IllegalAccessException exc) { throw new IOException( "Error setting property " + desc.getName() + ": " + exc.toString()); } } return; } } // If we build a vector of array members, convert the vector into // an array and save it in the property if (arrayBuild != null) { // Get the method used to set this property Method setter = desc.getWriteMethod(); if (setter == null) return; Object[] obValues = (Object[]) Array.newInstance(desc.getPropertyType(), arrayBuild.size()); arrayBuild.copyInto(obValues); try { setter.invoke(ob, new Object[] {obValues}); } catch (InvocationTargetException exc) { throw new IOException("Error setting property " + desc.getName() + ": " + exc.toString()); } catch (IllegalAccessException exc) { throw new IOException("Error setting property " + desc.getName() + ": " + exc.toString()); } return; } }