ErroringAction.java

/*
 * Copyright 2012 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 org.gradle.internal;

import org.gradle.api.Action;

/**
 * Action adapter/implementation for action code that may throw exceptions.
 *
 * Implementations implement doExecute() (instead of execute()) which is allowed to throw checked exceptions.
 * Any checked exceptions thrown will be wrapped as unchecked exceptions and re-thrown.
 *
 * How the exception is wrapped is subject to {@link UncheckedException#throwAsUncheckedException(Throwable)}.
 *
 * @param <T> The type of object which this action accepts.
 */
public abstract class ErroringAction<T> implements Action<T> {

    public void execute(T thing) {
        try {
            doExecute(thing);
        } catch (Exception e) {
            throw UncheckedException.throwAsUncheckedException(e);
        }
    }

    protected abstract void doExecute(T thing) throws Exception;

}