Esempio n. 1
0
 private Object deserialize(Node node, boolean setProperty, boolean popBean) throws Exception {
   Object object = null;
   currentType = null;
   currentNode = node;
   currentName = node.getNodeName();
   boolean isNull = false;
   NamedNodeMap attrs = node.getAttributes();
   String arrayType = null;
   for (int i = 0; i < attrs.getLength(); i++) {
     String nodeName = attrs.item(i).getNodeName();
     String nodeValue = attrs.item(i).getNodeValue();
     if (nodeName.equals(NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":" + Constants.ATTR_TYPE))
       currentType = new StringBuffer(nodeValue).delete(0, nodeValue.indexOf(':') + 1).toString();
     else if (nodeName.equals(
         NamespaceConstants.NSPREFIX_SOAP_ENCODING + ":" + Constants.ATTR_ARRAY_TYPE))
       arrayType = new StringBuffer(nodeValue).delete(0, nodeValue.indexOf(':') + 1).toString();
     else if (nodeName.equals(NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":null"))
       isNull = nodeValue.equals("true");
   }
   Class cls = null;
   if (currentType != null) cls = getXsdTypeClass(currentType);
   // Handle array, Vector, ArrayList, LinkedList, Hashtable,
   // Properties, and HashMap data types
   if ((cls != null)
       && ((cls == java.lang.reflect.Array.class)
           || (cls == Vector.class)
           || (cls == ArrayList.class)
           || (cls == LinkedList.class)
           || (cls == Hashtable.class)
           || (cls == Properties.class)
           || (cls == HashMap.class)
           || (cls == SortedMap.class))) {
     parentNode = currentNode;
     String name = node.getNodeName();
     // Handle arrays
     if (cls == java.lang.reflect.Array.class) {
       int a = arrayType.indexOf("[");
       int b = arrayType.indexOf("]");
       String s = arrayType.substring(a + 1, b);
       int arrayLen = Integer.valueOf(s).intValue();
       arrayType = arrayType.substring(0, a);
       // check if the array element is a standard Java class
       Class arrayClass = getXsdTypeClass(arrayType);
       // otherwise try to get the class of the bean
       if (arrayClass == null)
         arrayClass = getClassOfBean((ClassLoader) classLoaderStrategy, arrayType);
       object = java.lang.reflect.Array.newInstance(arrayClass, arrayLen);
     } else {
       // Construct the list or map type
       Constructor ct = cls.getConstructor((Class[]) null);
       object = ct.newInstance((Object[]) null);
     }
     // deserialize the elements of the array, list, or map
     NodeList childNodes = node.getChildNodes();
     int arrayIndex = -1;
     Node childNode = null;
     Object nodeObj = null;
     for (int i = 0; i < childNodes.getLength(); i++) {
       childNode = childNodes.item(i);
       if (childNode.getNodeType() == Node.ELEMENT_NODE) {
         if ((cls == java.lang.reflect.Array.class)
             || (cls == Vector.class)
             || (cls == ArrayList.class)
             || (cls == LinkedList.class)) {
           nodeObj = deserialize(childNode, false, true);
           if (nodeObj != null) {
             if (cls == java.lang.reflect.Array.class)
               java.lang.reflect.Array.set(object, ++arrayIndex, nodeObj);
             else ((List) object).add(nodeObj);
           }
         } else if ((cls == Hashtable.class)
             || (cls == Properties.class)
             || (cls == HashMap.class)
             || (cls == SortedMap.class)) {
           if (childNode.getLocalName().equals("item")) {
             NodeList htNodes = childNode.getChildNodes();
             if (htNodes.getLength() == 2) {
               Object hashKey = deserialize(htNodes.item(0), false, false);
               Object hashValue = deserialize(htNodes.item(1), false, true);
               ((Map) object).put(hashKey, hashValue);
             }
           }
         }
       }
     }
     setBeanProperty(name, object);
     // Handle everything else (primitives & POJOs)
   } else {
     // recurse on each of the child nodes
     NodeList childNodes = node.getChildNodes();
     if ((childNodes != null) && (childNodes.getLength() > 0)) {
       for (int i = 0; i < childNodes.getLength(); i++) {
         Node childNode = childNodes.item(i);
         if (childNode.getNodeType() == Node.ELEMENT_NODE) {
           if (currentType != null)
             createObject(
                 node,
                 currentName,
                 currentPackage,
                 currentType,
                 childNode.getNodeValue(),
                 setProperty);
           parentNode = node;
           object = deserialize(childNode, true, true);
         } else if ((childNode.getNodeType() == Node.TEXT_NODE) && (currentType != null)) {
           object =
               createObject(
                   node,
                   currentName,
                   currentPackage,
                   currentType,
                   childNode.getNodeValue(),
                   setProperty);
         }
         currentType = null;
       }
     } else {
       if (!isNull)
         object = createObject(node, currentName, currentPackage, currentType, null, setProperty);
     }
     if (node.getParentNode() != parentNode) {
       parentNode = node.getParentNode();
       if (popBean) {
         Object bean = popBeanOffStack();
         if (bean != null) object = bean;
       }
     }
   }
   return object;
 }
Esempio n. 2
0
  /**
   * 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());
    }
  }
Esempio n. 3
0
 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;
 }
Esempio n. 4
0
  /**
   * 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;
    }
  }