com.oracle.bedrock.runtime.StaticInfrastructure Maven / Gradle / Ivy

/*
 * File: StaticInfrastructure.java
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 * the Common Development and Distribution License 1.0 (the "License").
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package com.oracle.bedrock.runtime;

import com.oracle.bedrock.Option;
import com.oracle.bedrock.OptionsByType;
import com.oracle.bedrock.runtime.options.PlatformPredicate;

import java.util.ArrayList;
import java.util.Optional;

/**
 * An {@link Infrastructure} representing a static collection of {@link Platform}s.
 * 
 * Copyright (c) 2016. All Rights Reserved. Oracle Corporation.

 * Oracle is a registered trademark of Oracle Corporation and/or its affiliates.
 *
 * @author Brian Oliver
 */
public class StaticInfrastructure implements Infrastructure
{
    /**
     * The {@link Platform}s.
     */
    private ArrayList platforms;


    /**
     * Constructs a {@link StaticInfrastructure} for the specified {@link Platform}s.
     *
     * @param platforms  the {@link Platform}s
     */
    StaticInfrastructure(Platform... platforms)
    {
        this.platforms = new ArrayList<>();

        if (platforms != null)
        {
            for (Platform platform : platforms)
            {
                this.platforms.add(platform);
            }
        }
    }


    /**
     * Obtains {@link StaticInfrastructure} representing the specified {@link Platform}s.
     *
     * @param platforms  the {@link Platform}s
     *
     * @return the {@link StaticInfrastructure} representing the {@link Platform}s
     */
    public static Infrastructure of(Platform... platforms)
    {
        return new StaticInfrastructure(platforms);
    }


    @Override
    public Platform getPlatform(Option... options)
    {
        OptionsByType      optionsByType = OptionsByType.of(options);

        PlatformPredicate  predicate     = optionsByType.getOrDefault(PlatformPredicate.class, PlatformPredicate.any());

        Optional platform      = platforms.stream().filter(predicate).unordered().findFirst();

        return platform.isPresent() ? platform.get() : null;
    }
}