001    /*
002     * The MIT License
003     * Copyright (c) 2012 Microsoft Corporation
004     *
005     * Permission is hereby granted, free of charge, to any person obtaining a copy
006     * of this software and associated documentation files (the "Software"), to deal
007     * in the Software without restriction, including without limitation the rights
008     * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
009     * copies of the Software, and to permit persons to whom the Software is
010     * furnished to do so, subject to the following conditions:
011     *
012     * The above copyright notice and this permission notice shall be included in
013     * all copies or substantial portions of the Software.
014     *
015     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
016     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
017     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
018     * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
019     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
020     * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
021     * THE SOFTWARE.
022     */
023    
024    package microsoft.exchange.webservices.data.misc;
025    
026    import microsoft.exchange.webservices.data.core.EwsUtilities;
027    import microsoft.exchange.webservices.data.core.ExchangeService;
028    import microsoft.exchange.webservices.data.core.request.HttpWebRequest;
029    import microsoft.exchange.webservices.data.core.request.ServiceRequestBase;
030    import microsoft.exchange.webservices.data.core.request.SimpleServiceRequestBase;
031    import microsoft.exchange.webservices.data.core.request.WaitHandle;
032    import microsoft.exchange.webservices.data.core.exception.misc.ArgumentException;
033    
034    import java.util.concurrent.ExecutionException;
035    import java.util.concurrent.Future;
036    import java.util.concurrent.FutureTask;
037    import java.util.concurrent.TimeUnit;
038    import java.util.concurrent.TimeoutException;
039    
040    public class AsyncRequestResult implements IAsyncResult {
041    
042      ServiceRequestBase serviceRequest;
043      HttpWebRequest webRequest;
044      AsyncCallback wasasyncCallback;
045      IAsyncResult webAsyncResult;
046      Object asyncState;
047      Future<?> task;
048    
049      AsyncRequestResult(Future<?> task) {
050        this.task = task;
051      }
052    
053    
054      public AsyncRequestResult(ServiceRequestBase serviceRequest,
055          HttpWebRequest webRequest, Future<?> task,
056          Object asyncState) throws Exception {
057        EwsUtilities.validateParam(serviceRequest, "serviceRequest");
058        EwsUtilities.validateParam(webRequest, "webRequest");
059        EwsUtilities.validateParam(task, "task");
060        this.serviceRequest = serviceRequest;
061        this.webRequest = webRequest;
062        this.asyncState = asyncState;
063        this.task = task;
064    
065      }
066    
067      public void setServiceRequestBase(ServiceRequestBase serviceRequest) {
068        this.serviceRequest = serviceRequest;
069      }
070    
071      private ServiceRequestBase getServiceRequest() {
072        return this.serviceRequest;
073      }
074    
075      public void setHttpWebRequest(HttpWebRequest webRequest) {
076        this.webRequest = webRequest;
077      }
078    
079      public HttpWebRequest getHttpWebRequest() {
080        return this.webRequest;
081      }
082    
083      public FutureTask<?> getTask() {
084        return (FutureTask<?>) this.task;
085      }
086    
087      public static <T extends SimpleServiceRequestBase> T extractServiceRequest(
088          ExchangeService exchangeService, Future<?> asyncResult) throws Exception {
089        EwsUtilities.validateParam(asyncResult, "asyncResult");
090        AsyncRequestResult asyncRequestResult = (AsyncRequestResult) asyncResult;
091        if (asyncRequestResult == null) {
092          /**
093           * String.InvalidAsyncResult is copied from the error message
094           * HttpWebRequest.EndGetResponse() Just use this simple string for
095           * all kinds of invalid IAsyncResult parameters.
096           */
097          throw new ArgumentException("Invalid AsyncResult.",
098              "asyncResult");
099        }
100        // Validate the serivce request.
101        if (asyncRequestResult.serviceRequest == null) {
102          throw new ArgumentException("Invalid AsyncResult.",
103              "asyncResult");
104        }
105        // Validate the service object
106        if (!asyncRequestResult.serviceRequest.getService().equals(
107            exchangeService)) {
108          throw new ArgumentException("Invalid AsyncResult.",
109              "asyncResult");
110        }
111        T serviceRequest = (T) asyncRequestResult.getServiceRequest();
112        // Validate the request type
113        if (serviceRequest == null) {
114          throw new ArgumentException("Invalid AsyncResult.",
115              "asyncResult");
116        }
117        return serviceRequest;
118    
119      }
120    
121    
122      @Override
123      public boolean cancel(boolean arg0) {
124        // TODO Auto-generated method stub
125        return false;
126      }
127    
128    
129    
130      @Override
131      public Object get(long timeout, TimeUnit unit)
132          throws InterruptedException, ExecutionException,
133          TimeoutException {
134        // TODO Auto-generated method stub
135        return null;
136      }
137    
138    
139      @Override
140      public boolean isCancelled() {
141        // TODO Auto-generated method stub
142        return false;
143      }
144    
145    
146      @Override
147      public boolean isDone() {
148        // TODO Auto-generated method stub
149        return false;
150      }
151    
152    
153      @Override
154      public Object getAsyncState() {
155        // TODO Auto-generated method stub
156        return null;
157      }
158    
159    
160      @Override
161      public WaitHandle getAsyncWaitHanle() {
162        // TODO Auto-generated method stub
163        return null;
164      }
165    
166    
167      @Override
168      public boolean getCompleteSynchronously() {
169        // TODO Auto-generated method stub
170        return false;
171      }
172    
173    
174      @Override
175      public boolean getIsCompleted() {
176        // TODO Auto-generated method stub
177        return false;
178      }
179    
180    
181      @Override
182      public Object get() throws InterruptedException, ExecutionException {
183        // TODO Auto-generated method stub
184        return this.task.get();
185      }
186    
187    
188    
189    }