/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.wicket.examples.spring.common;
import java.util.Collection;
/**
* generates random contacts
*
* @author Igor Vaynberg (ivaynberg)
*
*/
public class ContactGenerator
{
private static ContactGenerator instance = new ContactGenerator();
private static long nextId = 1;
/**
* @return static instance of generator
*/
public static ContactGenerator getInstance()
{
return instance;
}
private String[] firstNames = { "Jacob", "Emily", "Michael", "Sarah", "Matthew", "Brianna",
"Nicholas", "Samantha", "Christopher", "Hailey", "Abner", "Abby", "Joshua", "Douglas",
"Jack", "Keith", "Gerald", "Samuel", "Willie", "Larry", "Jose", "Timothy", "Sandra",
"Kathleen", "Pamela", "Virginia", "Debra", "Maria", "Linda" };
private String[] lastNames = { "Smiith", "Johnson", "Williams", "Jones", "Brown", "Donahue",
"Bailey", "Rose", "Allen", "Black", "Davis", "Clark", "Hall", "Lee", "Baker",
"Gonzalez", "Nelson", "Moore", "Wilson", "Graham", "Fisher", "Cruz", "Ortiz", "Gomez",
"Murray" };
private ContactGenerator()
{
}
/**
* @return unique id
*/
public synchronized long generateId()
{
return nextId++;
}
/**
* generates a new contact
*
* @return generated contact
*/
public Contact generate()
{
Contact contact = new Contact(randomString(firstNames), randomString(lastNames));
contact.setId(generateId());
contact.setHomePhone(generatePhoneNumber());
contact.setCellPhone(generatePhoneNumber());
return contact;
}
/**
* generates <code>count</code> number contacts and puts them into <code>collection</code>
* collection
*
* @param collection
* @param count
*/
public void generate(Collection collection, int count)
{
for (int i = 0; i < count; i++)
{
collection.add(generate());
}
}
private String generatePhoneNumber()
{
return new StringBuilder().append(rint(2, 9))
.append(rint(0, 9))
.append(rint(0, 9))
.append("-555-")
.append(rint(1, 9))
.append(rint(0, 9))
.append(rint(0, 9))
.append(rint(0, 9))
.toString();
}
private int rint(int min, int max)
{
return (int)(Math.random() * (max - min) + min);
}
private String randomString(String[] choices)
{
return choices[rint(0, choices.length)];
}
}