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The Burp Suite Utils project provides developers with APIs for building Burp Suite Extensions.

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/*
 * Copyright 2017 adetlefsen.
 *
 * 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.codemagi.burp;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
 * Taken From:
 * http://stackoverflow.com/questions/5715235/java-set-timeout-on-a-certain-block-of-code
 *
 */
public class TimeLimitedCodeBlock {

    public static void runWithTimeout(final Runnable runnable, long timeout, TimeUnit timeUnit) throws Exception {
        runWithTimeout(new Callable() {
            @Override
            public Object call() throws Exception {
                runnable.run();
                return null;
            }
        }, timeout, timeUnit);
    }

    public static  T runWithTimeout(Callable callable, long timeout, TimeUnit timeUnit) throws Exception {
        final ExecutorService executor = Executors.newSingleThreadExecutor();
        final Future future = executor.submit(callable);
        executor.shutdown(); // This does not cancel the already-scheduled task.
        try {
            return future.get(timeout, timeUnit);
        } catch (TimeoutException e) {
            //remove this if you do not want to cancel the job in progress
            //or set the argument to 'false' if you do not want to interrupt the thread
            future.cancel(true);
            throw e;
        } catch (ExecutionException e) {
            //unwrap the root cause
            Throwable t = e.getCause();
            if (t instanceof Error) {
                throw (Error) t;
            } else if (t instanceof Exception) {
                throw (Exception) e;
            } else {
                throw new IllegalStateException(t);
            }
        }
    }

}
    

    

    

            

    

            



    
    






    
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