WTUtils.java

/*
 * Copyright by the original author or authors.
 * 
 * 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 wallettemplate.utils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Some generic utilities to make Java a bit less annoying.
 */
public class WTUtils {
    private static final Logger log = LoggerFactory.getLogger(WTUtils.class);

    public interface UncheckedRun<T> {
        public T run() throws Throwable;
    }

    public interface UncheckedRunnable {
        public void run() throws Throwable;
    }

    public static <T> T unchecked(UncheckedRun<T> run) {
        try {
            return run.run();
        } catch (Throwable throwable) {
            throw new RuntimeException(throwable);
        }
    }

    public static void uncheck(UncheckedRunnable run) {
        try {
            run.run();
        } catch (Throwable throwable) {
            throw new RuntimeException(throwable);
        }
    }

    public static void ignoreAndLog(UncheckedRunnable runnable) {
        try {
            runnable.run();
        } catch (Throwable t) {
            log.error("Ignoring error", t);
        }
    }

    public static <T> T ignoredAndLogged(UncheckedRun<T> runnable) {
        try {
            return runnable.run();
        } catch (Throwable t) {
            log.error("Ignoring error", t);
            return null;
        }
    }

    public static boolean didThrow(UncheckedRun run) {
        try {
            run.run();
            return false;
        } catch (Throwable throwable) {
            return true;
        }
    }

    public static boolean didThrow(UncheckedRunnable run) {
        try {
            run.run();
            return false;
        } catch (Throwable throwable) {
            return true;
        }
    }
}