1 files changed, 163 insertions, 0 deletions
diff --git a/src/share/classes/com/sun/org/apache/xpath/internal/objects/XObjectFactory.java b/src/share/classes/com/sun/org/apache/xpath/internal/objects/XObjectFactory.java
new file mode 100644
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+++ b/src/share/classes/com/sun/org/apache/xpath/internal/objects/XObjectFactory.java
@@ -0,0 +1,163 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * Copyright 1999-2004 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * $Id: XObjectFactory.java,v 1.1.2.1 2005/08/01 01:29:30 jeffsuttor Exp $
+ */
+package com.sun.org.apache.xpath.internal.objects;
+
+import com.sun.org.apache.xml.internal.dtm.Axis;
+import com.sun.org.apache.xml.internal.dtm.DTM;
+import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator;
+import com.sun.org.apache.xml.internal.dtm.DTMIterator;
+import com.sun.org.apache.xpath.internal.XPathContext;
+import com.sun.org.apache.xpath.internal.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, Axis.SELF);
+        iterator.setRoot(dtmRoot, xctxt);
+        result = new XNodeSet(iterator);
+      }
+      catch(Exception ex)
+      {
+        throw new com.sun.org.apache.xml.internal.utils.WrappedRuntimeException(ex);
+      }
+    }
+    else if (val instanceof DTMAxisIterator)
+    {
+      DTMAxisIterator iter = (DTMAxisIterator)val;
+      try
+      {
+        DTMIterator iterator = new OneStepIterator(iter, Axis.SELF);
+        iterator.setRoot(iter.getStartNode(), xctxt);
+        result = new XNodeSet(iterator);
+      }
+      catch(Exception ex)
+      {
+        throw new com.sun.org.apache.xml.internal.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;
+  }
+}