/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.
 */
// Class header file...
#include "ElementPrefixResolverProxy.hpp"


#include <xalanc/XalanDOM/XalanElement.hpp>


#include <xalanc/PlatformSupport/DOMStringHelper.hpp>


#include <xalanc/DOMSupport/DOMServices.hpp>
#include <xalanc/DOMSupport/DOMSupport.hpp>


#include "XPathEnvSupport.hpp"


namespace XALAN_CPP_NAMESPACE {


ElementPrefixResolverProxy::ElementPrefixResolverProxy(
            const XalanElement*     namespaceContext,
            const XPathEnvSupport&  envSupport,
            const DOMSupport&       /* domSupport */,
            MemoryManager&      theManager) :
    m_namespaceContext(namespaceContext),
    m_envSupport(&envSupport),
    m_uri(theManager)
{
}


ElementPrefixResolverProxy::ElementPrefixResolverProxy(
            const XalanElement*     namespaceContext,
            MemoryManager&      theManager,
            const XPathEnvSupport*  envSupport) :
    m_namespaceContext(namespaceContext),
    m_envSupport(envSupport),
    m_uri(theManager)
{
}


ElementPrefixResolverProxy::~ElementPrefixResolverProxy()
{
}


const XalanDOMString*
ElementPrefixResolverProxy::getNamespaceForPrefix(const XalanDOMString&     prefix) const
{
    if (m_namespaceContext == 0)
    {
        return 0;
    }
    else
    {
        return DOMServices::getNamespaceForPrefix(prefix, *m_namespaceContext);
    }
}


const XalanDOMString&
ElementPrefixResolverProxy::getURI() const
{
    if (m_envSupport != 0 && m_namespaceContext != 0 && m_uri.empty() == true)
    {
        m_uri = m_envSupport->findURIFromDoc(m_namespaceContext->getOwnerDocument());
    }

    return m_uri;
}


}