| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999-2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xalan" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999, Lotus |
| * Development Corporation., http://www.lotus.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| 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, Axis.SELF); |
| 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, Axis.SELF); |
| 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; |
| } |
| } |