org.jclouds.aws.ec2.domain.KeyPair Maven / Gradle / Ivy

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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. 
 *
 * ====================================================================
 * Licensed 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.
 * ====================================================================
 */

package org.jclouds.aws.ec2.domain;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.inject.internal.Nullable;

/**
 * 
 * @see 
 * @author Adrian Cole
 */
public class KeyPair implements Comparable {
   private final String region;
   private final String keyName;
   private final String keyFingerprint;
   @Nullable
   private final String keyMaterial;

   public KeyPair(String region, String keyName, String keyFingerprint, @Nullable String keyMaterial) {
      this.region = checkNotNull(region, "region");
      this.keyName = checkNotNull(keyName, "keyName");
      this.keyFingerprint = checkNotNull(keyFingerprint, "keyFingerprint");
      this.keyMaterial = keyMaterial;// nullable on list
   }

   /**
    * Key pairs (to connect to instances) are Region-specific.
    */
   public String getRegion() {
      return region;
   }

   /**
    * {@inheritDoc}
    */
   public int compareTo(KeyPair o) {
      return (this == o) ? 0 : getKeyName().compareTo(o.getKeyName());
   }

   /**
    * A SHA-1 digest of the DER encoded private key.
    */
   public String getKeyFingerprint() {
      return keyFingerprint;
   }

   /**
    * An unencrypted PEM encoded RSA private key.
    */
   public String getKeyMaterial() {
      return keyMaterial;
   }

   /**
    * The key pair name provided in the original request.
    */
   public String getKeyName() {
      return keyName;
   }

   @Override
   public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + ((keyFingerprint == null) ? 0 : keyFingerprint.hashCode());
      result = prime * result + ((keyMaterial == null) ? 0 : keyMaterial.hashCode());
      result = prime * result + ((keyName == null) ? 0 : keyName.hashCode());
      result = prime * result + ((region == null) ? 0 : region.hashCode());
      return result;
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj)
         return true;
      if (obj == null)
         return false;
      if (getClass() != obj.getClass())
         return false;
      KeyPair other = (KeyPair) obj;
      if (keyFingerprint == null) {
         if (other.keyFingerprint != null)
            return false;
      } else if (!keyFingerprint.equals(other.keyFingerprint))
         return false;
      if (keyMaterial == null) {
         if (other.keyMaterial != null)
            return false;
      } else if (!keyMaterial.equals(other.keyMaterial))
         return false;
      if (keyName == null) {
         if (other.keyName != null)
            return false;
      } else if (!keyName.equals(other.keyName))
         return false;
      if (region == null) {
         if (other.region != null)
            return false;
      } else if (!region.equals(other.region))
         return false;
      return true;
   }

}