Java Thread Callable callWithSystemProperty(String name, String value, Callable callee)

Description

call With System Property

License

Open Source License

Declaration

public static <T> T callWithSystemProperty(String name, String value, Callable<T> callee) throws Exception 

Method Source Code

//package com.java2s;
/*// ww  w  .  j  av  a 2  s  . co m
 * (c) Copyright 2009 by Volker Bergmann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, is permitted under the terms of the
 * GNU General Public License (GPL).
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
 * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

import java.util.concurrent.Callable;

public class Main {
    public static <T> T callWithSystemProperty(String name, String value, Callable<T> callee) throws Exception {
        String oldValue = System.getProperty(name);
        try {
            System.setProperty(name, value);
            return callee.call();
        } finally {
            System.setProperty(name, oldValue);
        }
    }
}

Related

1. call(final Callable c)
2. callableListCreator()
3. callConditionAndReturnResult(Callable condition)
4. callInLoader(Callable body, ClassLoader loader)
5. callInLocale(Locale locale, Callable task)
6. copyFromList(final List list, final double[][] data, final int cols)
7. copyInto(final List list, final double[] data)
8. executeLocally(Callable task)
9. executeUntilNonNullOrTimeout(final long timeoutMs, final long timeBetweenPollsMs, final Callable callable)