ohair@286: /*
alanb@368:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
ohair@286:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286:  *
ohair@286:  * This code is free software; you can redistribute it and/or modify it
ohair@286:  * under the terms of the GNU General Public License version 2 only, as
ohair@286:  * published by the Free Software Foundation.  Oracle designates this
ohair@286:  * particular file as subject to the "Classpath" exception as provided
ohair@286:  * by Oracle in the LICENSE file that accompanied this code.
ohair@286:  *
ohair@286:  * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ohair@286:  * version 2 for more details (a copy is included in the LICENSE file that
ohair@286:  * accompanied this code).
ohair@286:  *
ohair@286:  * You should have received a copy of the GNU General Public License version
ohair@286:  * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286:  *
ohair@286:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286:  * or visit www.oracle.com if you need additional information or have any
ohair@286:  * questions.
ohair@286:  */
ohair@286: 
ohair@286: package com.sun.xml.internal.ws.server;
ohair@286: 
ohair@286: import com.sun.xml.internal.ws.api.message.Packet;
ohair@286: import com.sun.xml.internal.ws.api.message.AttachmentSet;
ohair@286: import com.sun.xml.internal.ws.api.message.Attachment;
ohair@286: 
ohair@286: import java.util.*;
ohair@286: import javax.xml.ws.handler.MessageContext;
ohair@286: import javax.xml.ws.WebServiceContext;
ohair@286: import javax.activation.DataHandler;
ohair@286: 
ohair@286: /**
ohair@286:  * Implements {@link WebServiceContext}'s {@link MessageContext} on top of {@link Packet}.
ohair@286:  *
ohair@286:  * <p>
ohair@286:  * This class creates a {@link Map} view for APPLICATION scoped properties that
ohair@286:  * gets exposed to endpoint implementations during the invocation
ohair@286:  * of web methods. The implementations access this map using
ohair@286:  * WebServiceContext.getMessageContext().
ohair@286:  *
ohair@286:  * <p>
ohair@286:  * Some of the {@link Map} methods requre this class to
ohair@286:  * build the complete {@link Set} of properties, but we
ohair@286:  * try to avoid that as much as possible.
ohair@286:  *
ohair@286:  *
ohair@286:  * @author Jitendra Kotamraju
ohair@286:  */
ohair@286: public final class EndpointMessageContextImpl extends AbstractMap<String,Object> implements MessageContext {
ohair@286: 
ohair@286:     /**
ohair@286:      * Lazily computed.
ohair@286:      */
ohair@286:     private Set<Map.Entry<String,Object>> entrySet;
ohair@286:     private final Packet packet;
ohair@286: 
ohair@286:     /**
ohair@286:      * @param packet
ohair@286:      *      The {@link Packet} to wrap.
ohair@286:      */
ohair@286:     public EndpointMessageContextImpl(Packet packet) {
ohair@286:         this.packet = packet;
ohair@286:     }
ohair@286: 
ohair@286:     @Override
alanb@368:     @SuppressWarnings("element-type-mismatch")
ohair@286:     public Object get(Object key) {
ohair@286:         if (packet.supports(key)) {
ohair@286:             return packet.get(key);    // strongly typed
ohair@286:         }
ohair@286:         if (packet.getHandlerScopePropertyNames(true).contains(key)) {
ohair@286:             return null;            // no such application-scope property
ohair@286:         }
ohair@286:         Object value =  packet.invocationProperties.get(key);
ohair@286: 
ohair@286:         //add the attachments from the Message to the corresponding attachment property
ohair@286:         if(key.equals(MessageContext.OUTBOUND_MESSAGE_ATTACHMENTS) ||
ohair@286:                 key.equals(MessageContext.INBOUND_MESSAGE_ATTACHMENTS)){
ohair@286:             Map<String, DataHandler> atts = (Map<String, DataHandler>) value;
ohair@286:             if(atts == null)
ohair@286:                 atts = new HashMap<String, DataHandler>();
ohair@286:             AttachmentSet attSet = packet.getMessage().getAttachments();
ohair@286:             for(Attachment att : attSet){
ohair@286:                 atts.put(att.getContentId(), att.asDataHandler());
ohair@286:             }
ohair@286:             return atts;
ohair@286:         }
ohair@286:         return value;
ohair@286:     }
ohair@286: 
ohair@286:     @Override
ohair@286:     public Object put(String key, Object value) {
ohair@286:         if (packet.supports(key)) {
ohair@286:             return packet.put(key, value);     // strongly typed
ohair@286:         }
ohair@286:         Object old = packet.invocationProperties.get(key);
ohair@286:         if (old != null) {
ohair@286:             if (packet.getHandlerScopePropertyNames(true).contains(key)) {
ohair@286:                 throw new IllegalArgumentException("Cannot overwrite property in HANDLER scope");
ohair@286:             }
ohair@286:             // Overwrite existing APPLICATION scoped property
ohair@286:             packet.invocationProperties.put(key, value);
ohair@286:             return old;
ohair@286:         }
ohair@286:         // No existing property. So Add a new property
ohair@286:         packet.invocationProperties.put(key, value);
ohair@286:         return null;
ohair@286:     }
ohair@286: 
ohair@286:     @Override
alanb@368:     @SuppressWarnings("element-type-mismatch")
ohair@286:     public Object remove(Object key) {
ohair@286:          if (packet.supports(key)) {
ohair@286:              return packet.remove(key);
ohair@286:         }
ohair@286:         Object old = packet.invocationProperties.get(key);
ohair@286:         if (old != null) {
ohair@286:             if (packet.getHandlerScopePropertyNames(true).contains(key)) {
ohair@286:                 throw new IllegalArgumentException("Cannot remove property in HANDLER scope");
ohair@286:             }
ohair@286:             // Remove existing APPLICATION scoped property
ohair@286:             packet.invocationProperties.remove(key);
ohair@286:             return old;
ohair@286:         }
ohair@286:         // No existing property.
ohair@286:         return null;
ohair@286:     }
ohair@286: 
ohair@286:     public Set<Map.Entry<String, Object>> entrySet() {
ohair@286:         if (entrySet == null) {
ohair@286:             entrySet = new EntrySet();
ohair@286:         }
ohair@286:         return entrySet;
ohair@286:     }
ohair@286: 
ohair@286:     public void setScope(String name, MessageContext.Scope scope) {
ohair@286:         throw new UnsupportedOperationException(
ohair@286:                 "All the properties in this context are in APPLICATION scope. Cannot do setScope().");
ohair@286:     }
ohair@286: 
ohair@286:     public MessageContext.Scope getScope(String name) {
ohair@286:         throw new UnsupportedOperationException(
ohair@286:                 "All the properties in this context are in APPLICATION scope. Cannot do getScope().");
ohair@286:     }
ohair@286: 
ohair@286:     private class EntrySet extends AbstractSet<Map.Entry<String, Object>> {
ohair@286: 
ohair@286:         public Iterator<Map.Entry<String, Object>> iterator() {
ohair@286:             final Iterator<Map.Entry<String, Object>> it = createBackupMap().entrySet().iterator();
ohair@286: 
ohair@286:             return new Iterator<Map.Entry<String, Object>>() {
ohair@286:                 Map.Entry<String, Object> cur;
ohair@286: 
ohair@286:                 public boolean hasNext() {
ohair@286:                     return it.hasNext();
ohair@286:                 }
ohair@286: 
ohair@286:                 public Map.Entry<String, Object> next() {
ohair@286:                     cur = it.next();
ohair@286:                     return cur;
ohair@286:                 }
ohair@286: 
ohair@286:                 public void remove() {
ohair@286:                     it.remove();
ohair@286:                     EndpointMessageContextImpl.this.remove(cur.getKey());
ohair@286:                 }
ohair@286:             };
ohair@286:         }
ohair@286: 
ohair@286:         public int size() {
ohair@286:             return createBackupMap().size();
ohair@286:         }
ohair@286: 
ohair@286:     }
ohair@286: 
ohair@286:     private Map<String, Object> createBackupMap() {
ohair@286:         Map<String, Object> backupMap = new HashMap<String, Object>();
ohair@286:         backupMap.putAll(packet.createMapView());
ohair@286:         Set<String> handlerProps = packet.getHandlerScopePropertyNames(true);
ohair@286:         for(Map.Entry<String, Object> e : packet.invocationProperties.entrySet()) {
ohair@286:             if (!handlerProps.contains(e.getKey())) {
ohair@286:                 backupMap.put(e.getKey(), e.getValue());
ohair@286:             }
ohair@286:         }
ohair@286:         return backupMap;
ohair@286:     }
ohair@286: 
ohair@286: }