/*
 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.xml.internal.ws.server;

import com.sun.xml.internal.ws.api.message.Packet;
import com.sun.xml.internal.ws.api.server.WSEndpoint;
import com.sun.xml.internal.ws.api.server.WSWebServiceContext;
import com.sun.xml.internal.ws.server.provider.AsyncProviderInvokerTube;
import com.sun.istack.internal.NotNull;
import org.w3c.dom.Element;

import javax.xml.ws.EndpointReference;
import javax.xml.ws.handler.MessageContext;
import javax.xml.ws.wsaddressing.W3CEndpointReference;
import java.security.Principal;

/**
 * Partial {@link WSWebServiceContext} implementation. This implementation depends on
 * {@link Packet} and concrete implementations provide it via
 * {@link #getRequestPacket()}.
 *
 * @see InvokerTube,
 * @see AsyncProviderInvokerTube
 *
 * @author Jitendra Kotamraju
 */
public abstract class AbstractWebServiceContext implements WSWebServiceContext {

    private final WSEndpoint endpoint;

    public AbstractWebServiceContext(@NotNull WSEndpoint endpoint) {
        this.endpoint = endpoint;
    }

    public MessageContext getMessageContext() {
        Packet packet = getRequestPacket();
        if (packet == null) {
            throw new IllegalStateException("getMessageContext() can only be called while servicing a request");
        }
        return new EndpointMessageContextImpl(packet);
    }

    public Principal getUserPrincipal() {
        Packet packet = getRequestPacket();
        if (packet == null) {
            throw new IllegalStateException("getUserPrincipal() can only be called while servicing a request");
        }
        return packet.webServiceContextDelegate.getUserPrincipal(packet);
    }

    public boolean isUserInRole(String role) {
        Packet packet = getRequestPacket();
        if (packet == null) {
            throw new IllegalStateException("isUserInRole() can only be called while servicing a request");
        }
        return packet.webServiceContextDelegate.isUserInRole(packet,role);
    }

    public EndpointReference getEndpointReference(Element...referenceParameters) {
        return getEndpointReference(W3CEndpointReference.class, referenceParameters);
    }

    public <T extends EndpointReference> T getEndpointReference(Class<T> clazz, Element...referenceParameters) {
        Packet packet = getRequestPacket();
        if (packet == null) {
            throw new IllegalStateException("getEndpointReference() can only be called while servicing a request");
        }
        String address = packet.webServiceContextDelegate.getEPRAddress(packet, endpoint);
        String wsdlAddress = null;
        if(endpoint.getServiceDefinition() != null) {
            wsdlAddress = packet.webServiceContextDelegate.getWSDLAddress(packet,endpoint);
        }
        return clazz.cast(endpoint.getEndpointReference(clazz,address,wsdlAddress, referenceParameters));
    }

}
