/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 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 "Apache" 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
* XMLBeans", 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) 2000-2003 BEA Systems
* Inc., <http://www.bea.com/>. For more information on the Apache Software
* Foundation, please see <http://www.apache.org/>.
*/
package org.apache.xmlbeans.impl.values;
import org.apache.xmlbeans.impl.common.PrefixResolver;
import org.apache.xmlbeans.XmlObject;
import org.apache.xmlbeans.XmlCursor;
import java.util.ArrayList;
import java.util.Map;
import java.lang.reflect.Proxy;
import weblogic.xml.stream.StartElement;
public class NamespaceContext implements PrefixResolver
{
private static final int TYPE_STORE = 1;
private static final int XML_OBJECT = 2;
private static final int MAP = 3;
private static final int START_ELEMENT = 4;
private static final int RESOLVER = 5;
private Object _obj;
private int _code;
public NamespaceContext(Map prefixToUriMap)
{
_code = MAP;
_obj = prefixToUriMap;
}
public NamespaceContext(TypeStore typeStore)
{
_code = TYPE_STORE;
_obj = typeStore;
}
public NamespaceContext(XmlObject xmlObject)
{
_code = XML_OBJECT;
_obj = xmlObject;
}
public NamespaceContext(StartElement start)
{
_code = START_ELEMENT;
_obj = start;
}
public NamespaceContext(PrefixResolver resolver)
{
_code = RESOLVER;
_obj = resolver;
}
/**
* Stack management if (heaven help us) we ever need to do
* nested compilation of schema type system.
*/
private static final class NamespaceContextStack
{
NamespaceContext current;
ArrayList stack = new ArrayList();
final void push(NamespaceContext next)
{
stack.add(current);
current = next;
}
final void pop()
{
current = (NamespaceContext)stack.get(stack.size() - 1);
stack.remove(stack.size() - 1);
}
}
private static ThreadLocal NamespaceContextStack = new ThreadLocal()
{
protected Object initialValue() { return new NamespaceContextStack(); }
};
public static void push(NamespaceContext next)
{
((NamespaceContextStack)NamespaceContextStack.get()).push(next);
}
public String getNamespaceForPrefix(String prefix)
{
if (prefix != null && prefix.equals("xml"))
return "http://www.w3.org/XML/1998/namespace";
switch (_code)
{
case XML_OBJECT:
{
TypeStoreUser impl;
Object obj = _obj;
if (Proxy.isProxyClass(obj.getClass()))
obj = Proxy.getInvocationHandler(obj);
if (obj instanceof TypeStoreUser)
return ((TypeStoreUser)obj).get_store().getNamespaceForPrefix(prefix);
XmlCursor cur = ((XmlObject)_obj).newCursor();
if (cur != null)
{
if (cur.currentTokenType() == XmlCursor.TokenType.ATTR)
cur.toParent();
try { return cur.namespaceForPrefix(prefix); }
finally { cur.dispose(); }
}
}
case MAP:
return (String)((Map)_obj).get(prefix);
case TYPE_STORE:
return ((TypeStore)_obj).getNamespaceForPrefix(prefix);
case START_ELEMENT:
return ((StartElement)_obj).getNamespaceUri(prefix);
case RESOLVER:
return ((PrefixResolver)_obj).getNamespaceForPrefix(prefix);
default:
assert false : "Improperly initialized NamespaceContext.";
return null;
}
}
public static PrefixResolver getCurrent()
{
return ((NamespaceContextStack)NamespaceContextStack.get()).current;
}
public static void pop()
{
((NamespaceContextStack)NamespaceContextStack.get()).pop();
}
}