com.openpojo.random.generator.security.EncryptionKeyRandomGenerator Maven / Gradle / Ivy

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This project was born out of a need to validate all POJOs (Plain Old Java Object) are behaving correctly. This project has two main aspects to it: * Make Testing as easy as possible. * Simplifying identity management (hashCode / equals) using annotation.

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/*
 * Copyright (c) 2010-2018 Osman Shoukry
 *
 * 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 com.openpojo.random.generator.security;

import java.util.Collection;
import java.util.List;
import java.util.ArrayList;

import com.openpojo.random.RandomFactory;
import com.openpojo.random.RandomGenerator;
import com.openpojo.reflection.PojoClass;
import com.openpojo.reflection.construct.InstanceFactory;
import com.openpojo.reflection.impl.PojoClassFactory;

import static com.openpojo.reflection.java.load.ClassUtil.loadClass;

/**
 * @author oshoukry
 */
public class EncryptionKeyRandomGenerator implements RandomGenerator {
  private static final String TYPE = "sun.security.krb5.EncryptionKey";
  private final Class encryptionKeyClass;
  private static final EncryptionKeyRandomGenerator INSTANCE = new EncryptionKeyRandomGenerator();

  private EncryptionKeyRandomGenerator() {
    encryptionKeyClass = loadClass(TYPE);
  }

  public static RandomGenerator getInstance() {
    return INSTANCE;
  }

  public Collection> getTypes() {
    List> supported = new ArrayList>();
    if (encryptionKeyClass != null)
      supported.add(encryptionKeyClass);
    return supported;
  }

  public Object doGenerate(Class type) {
    PojoClass pojoClass = PojoClassFactory.getPojoClass(encryptionKeyClass);
    return InstanceFactory.getInstance(pojoClass, RandomFactory.getRandomValue(byte[].class),  RandomFactory.getRandomValue(Integer.class), null);
  }
}