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    1   /*
    2    *  Licensed to the Apache Software Foundation (ASF) under one
    3    *  or more contributor license agreements.  See the NOTICE file
    4    *  distributed with this work for additional information
    5    *  regarding copyright ownership.  The ASF licenses this file
    6    *  to you under the Apache License, Version 2.0 (the
    7    *  "License"); you may not use this file except in compliance
    8    *  with the License.  You may obtain a copy of the License at
    9    *
    10   *    http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   *  Unless required by applicable law or agreed to in writing,
    13   *  software distributed under the License is distributed on an
    14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   *  KIND, either express or implied.  See the License for the
    16   *  specific language governing permissions and limitations
    17   *  under the License.
    18   *
    19   */
    20  package org.apache.mina.common.support;
    21
    22  import org.apache.mina.common.ConnectFuture;
    23  import org.apache.mina.common.IoSession;
    24  import org.apache.mina.common.RuntimeIOException;
    25
    26  /**
    27   * A default implementation of {@link ConnectFuture}.
    28   *
    29   * @author The Apache Directory Project (mina-dev@directory.apache.org)
    30   * @version $Rev: 599822 $, $Date: 2007-11-30 14:54:07 +0100 (Fri, 30 Nov 2007) $
    31   */
    32  public class DefaultConnectFuture extends DefaultIoFuture implements
    33          ConnectFuture {
    34      /**
    35       * Returns a new {@link ConnectFuture} which is already marked as 'failed to connect'.
    36       */
    37      public static ConnectFuture newFailedFuture(Throwable exception) {
    38          DefaultConnectFuture failedFuture = new DefaultConnectFuture();
    39          failedFuture.setException(exception);
    40          return failedFuture;
    41      }
    42
    43      /**
    44       * Creates a new instance.
    45       */
    46      public DefaultConnectFuture() {
    47          super(null);
    48      }
    49
    50      /**
    51       * Creates a new instance which uses the specified object as a lock.
    52       */
    53      public DefaultConnectFuture(Object lock) {
    54          super(null, lock);
    55      }
    56
    57      @Override
    58      public IoSession getSession() throws RuntimeIOException {
    59          Object v = getValue();
    60          if (v instanceof RuntimeIOException) {
    61              throw (RuntimeIOException) v;
    62          } else if (v instanceof Throwable) {
    63              throw (RuntimeIOException) new RuntimeIOException(
    64                      "Failed to get the session.").initCause((Throwable) v);
    65          } else {
    66              return (IoSession) v;
    67          }
    68      }
    69
    70      public boolean isConnected() {
    71          return getValue() instanceof IoSession;
    72      }
    73
    74      public void setSession(IoSession session) {
    75          setValue(session);
    76      }
    77
    78      public void setException(Throwable exception) {
    79          setValue(exception);
    80      }
    81  }