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Posted to commits@xalan.apache.org by sb...@apache.org on 2001/08/06 06:54:41 UTC

cvs commit: xml-xalan/java/src/org/apache/xpath/objects XObjectFactory.java XObject.java

sboag       01/08/05 21:54:41

  Modified:    java/src/org/apache/xpath/objects XObject.java
  Added:       java/src/org/apache/xpath/objects XObjectFactory.java
  Log:
  Move create methods from XObject to XObjectFactory, in response
  to cyclic build problems encountered with javac 1.1.8.
  
  Revision  Changes    Path
  1.17      +2 -103    xml-xalan/java/src/org/apache/xpath/objects/XObject.java
  
  Index: XObject.java
  ===================================================================
  RCS file: /home/cvs/xml-xalan/java/src/org/apache/xpath/objects/XObject.java,v
  retrieving revision 1.16
  retrieving revision 1.17
  diff -u -r1.16 -r1.17
  --- XObject.java	2001/08/04 21:06:12	1.16
  +++ XObject.java	2001/08/06 04:54:41	1.17
  @@ -72,8 +72,6 @@
   import org.apache.xalan.res.XSLMessages;
   import org.apache.xpath.Expression;
   import org.apache.xml.utils.XMLString;
  -import org.apache.xpath.axes.OneStepIterator;
  -import org.apache.xpath.axes.DescendantIterator;
   
   /**
    * <meta name="usage" content="general"/>
  @@ -183,31 +181,7 @@
      */
     static public XObject create(Object val)
     {
  -
  -    XObject result;
  -
  -    if (val instanceof XObject)
  -    {
  -      result = (XObject) val;
  -    }
  -    else if (val instanceof String)
  -    {
  -      result = new XString((String) val);
  -    }
  -    else if (val instanceof Boolean)
  -    {
  -      result = new XBoolean((Boolean)val);
  -    }
  -    else if (val instanceof Double)
  -    {
  -      result = new XNumber(((Double) val));
  -    }
  -    else
  -    {
  -      result = new XObject(val);
  -    }
  -
  -    return result;
  +    return XObjectFactory.create(val);
     }
     
     /**
  @@ -222,82 +196,7 @@
      */
     static public XObject create(Object val, XPathContext xctxt)
     {
  -
  -    XObject result;
  -
  -    if (val instanceof XObject)
  -    {
  -      result = (XObject) val;
  -    }
  -    else if (val instanceof String)
  -    {
  -      result = new XString((String) val);
  -    }
  -    else if (val instanceof Boolean)
  -    {
  -      result = new XBoolean((Boolean)val);
  -    }
  -    else if (val instanceof Number)
  -    {
  -      result = new XNumber(((Number) val));
  -    }
  -    else if (val instanceof DTM)
  -    {
  -      DTM dtm = (DTM)val;
  -      try
  -      {
  -        int dtmRoot = dtm.getDocument();
  -        DTMAxisIterator iter = dtm.getAxisIterator(Axis.SELF);
  -        iter.setStartNode(dtmRoot);
  -        DTMIterator iterator = new OneStepIterator(iter);
  -        iterator.setRoot(dtmRoot, xctxt);
  -        result = new XNodeSet(iterator);
  -      }
  -      catch(Exception ex)
  -      {
  -        throw new org.apache.xml.utils.WrappedRuntimeException(ex);
  -      }
  -    }
  -    else if (val instanceof DTMAxisIterator)
  -    {
  -      DTMAxisIterator iter = (DTMAxisIterator)val;
  -      try
  -      {
  -        DTMIterator iterator = new OneStepIterator(iter);
  -        iterator.setRoot(iter.getStartNode(), xctxt);
  -        result = new XNodeSet(iterator);
  -      }
  -      catch(Exception ex)
  -      {
  -        throw new org.apache.xml.utils.WrappedRuntimeException(ex);
  -      }
  -    }
  -    else if (val instanceof DTMIterator)
  -    {
  -      result = new XNodeSet((DTMIterator) val);
  -    }
  -    // This next three instanceofs are a little worrysome, since a NodeList 
  -    // might also implement a Node!
  -    else if (val instanceof org.w3c.dom.Node)
  -    {
  -      result = new XNodeSetForDOM((org.w3c.dom.Node)val, xctxt);
  -    }
  -    // This must come after org.w3c.dom.Node, since many Node implementations 
  -    // also implement NodeList.
  -    else if (val instanceof org.w3c.dom.NodeList)
  -    {
  -      result = new XNodeSetForDOM((org.w3c.dom.NodeList)val, xctxt);
  -    }
  -    else if (val instanceof org.w3c.dom.traversal.NodeIterator)
  -    {
  -      result = new XNodeSetForDOM((org.w3c.dom.traversal.NodeIterator)val, xctxt);
  -    }
  -    else
  -    {
  -      result = new XObject(val);
  -    }
  -
  -    return result;
  +    return XObjectFactory.create(val, xctxt);
     }
   
     /** Constant for NULL object type */
  
  
  
  1.1                  xml-xalan/java/src/org/apache/xpath/objects/XObjectFactory.java
  
  Index: XObjectFactory.java
  ===================================================================
  package org.apache.xpath.objects;
  
  import org.apache.xml.dtm.*;
  import org.apache.xpath.XPathContext;
  import org.apache.xpath.NodeSetDTM;
  import org.apache.xpath.axes.OneStepIterator;
  
  
  public class XObjectFactory
  {
    
    /**
     * Create the right XObject based on the type of the object passed.  This 
     * function can not make an XObject that exposes DOM Nodes, NodeLists, and 
     * NodeIterators to the XSLT stylesheet as node-sets.
     *
     * @param val The java object which this object will wrap.
     *
     * @return the right XObject based on the type of the object passed.
     */
    static public XObject create(Object val)
    {
  
      XObject result;
  
      if (val instanceof XObject)
      {
        result = (XObject) val;
      }
      else if (val instanceof String)
      {
        result = new XString((String) val);
      }
      else if (val instanceof Boolean)
      {
        result = new XBoolean((Boolean)val);
      }
      else if (val instanceof Double)
      {
        result = new XNumber(((Double) val));
      }
      else
      {
        result = new XObject(val);
      }
  
      return result;
    }
    
    /**
     * Create the right XObject based on the type of the object passed.
     * This function <emph>can</emph> make an XObject that exposes DOM Nodes, NodeLists, and 
     * NodeIterators to the XSLT stylesheet as node-sets.
     *
     * @param val The java object which this object will wrap.
     * @param xctxt The XPath context.
     *
     * @return the right XObject based on the type of the object passed.
     */
    static public XObject create(Object val, XPathContext xctxt)
    {
  
      XObject result;
  
      if (val instanceof XObject)
      {
        result = (XObject) val;
      }
      else if (val instanceof String)
      {
        result = new XString((String) val);
      }
      else if (val instanceof Boolean)
      {
        result = new XBoolean((Boolean)val);
      }
      else if (val instanceof Number)
      {
        result = new XNumber(((Number) val));
      }
      else if (val instanceof DTM)
      {
        DTM dtm = (DTM)val;
        try
        {
          int dtmRoot = dtm.getDocument();
          DTMAxisIterator iter = dtm.getAxisIterator(Axis.SELF);
          iter.setStartNode(dtmRoot);
          DTMIterator iterator = new OneStepIterator(iter);
          iterator.setRoot(dtmRoot, xctxt);
          result = new XNodeSet(iterator);
        }
        catch(Exception ex)
        {
          throw new org.apache.xml.utils.WrappedRuntimeException(ex);
        }
      }
      else if (val instanceof DTMAxisIterator)
      {
        DTMAxisIterator iter = (DTMAxisIterator)val;
        try
        {
          DTMIterator iterator = new OneStepIterator(iter);
          iterator.setRoot(iter.getStartNode(), xctxt);
          result = new XNodeSet(iterator);
        }
        catch(Exception ex)
        {
          throw new org.apache.xml.utils.WrappedRuntimeException(ex);
        }
      }
      else if (val instanceof DTMIterator)
      {
        result = new XNodeSet((DTMIterator) val);
      }
      // This next three instanceofs are a little worrysome, since a NodeList 
      // might also implement a Node!
      else if (val instanceof org.w3c.dom.Node)
      {
        result = new XNodeSetForDOM((org.w3c.dom.Node)val, xctxt);
      }
      // This must come after org.w3c.dom.Node, since many Node implementations 
      // also implement NodeList.
      else if (val instanceof org.w3c.dom.NodeList)
      {
        result = new XNodeSetForDOM((org.w3c.dom.NodeList)val, xctxt);
      }
      else if (val instanceof org.w3c.dom.traversal.NodeIterator)
      {
        result = new XNodeSetForDOM((org.w3c.dom.traversal.NodeIterator)val, xctxt);
      }
      else
      {
        result = new XObject(val);
      }
  
      return result;
    }
  }
  
  

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