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package net.serenitybdd.rest.utils;


import java.util.Collections;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

import static net.thucydides.core.steps.StepEventBus.getEventBus;


/**
 * User: YamStranger
 * Date: 4/6/16
 * Time: 7:51 AM
 */
public class RestExecutionHelper {
    private static Set classWithDryCleanEnabled =
            Collections.newSetFromMap(new ConcurrentHashMap());

    public static boolean restCallsAreEnabled() {
        return isEnabledDryCleanOnlyForCurrentClass()
                || getEventBus().isDryRun()
                || getEventBus().currentTestIsSuspended();
    }

    public static boolean restCallsAreDisabled() {
        return !restCallsAreEnabled();
    }

    /**
     * Using of this method allowed to enable DryClean mode for particular class.
     * During executing of methods restCallsAreEnabled and restCallsAreDisabled stacktrace will be
     * analysed to find out if this class included.
     * 
     * Be careful - until even for one class enabled dry clean - performance will be decreased.
     *
     * @param object some object where methods will be executed, basically it should be test
     */
    public static void enableDryRunForClass(final Object object) {
        enableDryRunForClass(object.getClass());
    }

    public static void enableDryRunForClass(final Class classOfObject) {
        classWithDryCleanEnabled.add(classOfObject.getName());
    }

    public static void disableDryRunForClass(final Object object) {
        enableDryRunForClass(object.getClass());
    }

    public static void disableDryRunForClass(final Class classOfObject) {
        classWithDryCleanEnabled.remove(classOfObject.getName());
    }

    private static boolean isEnabledDryCleanOnlyForCurrentClass() {
        StackTraceElement[] stackTraceElements = Thread.currentThread().getStackTrace();
        for (final StackTraceElement element : Thread.currentThread().getStackTrace()) {
            if (classWithDryCleanEnabled.contains(element.getClassName())) {
                return true;
            }
        }
        return false;
    }
}