AntTaskHolder.java

/*
 * This file is part of dependency-check-ant.
 *
 * 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.
 *
 * Copyright (c) 2015 The OWASP Foundation. All Rights Reserved.
 */
package org.owasp.dependencycheck.ant.logging;

import org.apache.tools.ant.Task;

/**
 * Holds a reference to the current Ant Task for logging. Replaces the old
 * StaticLoggerBinder singleton pattern used with SLF4J 1.x.
 * <p>
 * Uses ThreadLocal to ensure thread-safety when Ant runs tasks in parallel.
 * </p>
 */
public final class AntTaskHolder {

    private static final ThreadLocal<Task> task = new ThreadLocal<>();

    private AntTaskHolder() {
    }

    /**
     * Sets the current Ant task to use for logging.
     *
     * @param t the Ant task
     */
    public static void setTask(Task t) {
        task.set(t);
    }

    /**
     * Returns the current Ant task.
     *
     * @return the Ant task, or null if not set
     */
    public static Task getTask() {
        return task.get();
    }

    /**
     * Removes the current Ant task from the thread-local storage.
     * This should be called when the task completes to prevent memory leaks
     * in environments with thread pooling.
     */
    public static void remove() {
        task.remove();
    }
}