org.eclipse.equinox.log.LogPermission Maven / Gradle / Ivy

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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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/*******************************************************************************
 * Copyright (c) 2009, 2011 IBM Corporation and others
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0 which
 * accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 ******************************************************************************/
package org.eclipse.equinox.log;

import java.security.Permission;
import java.security.PermissionCollection;

/**
 * Indicates a bundle's authority to log on behalf of other bundles.
 *
 * This permission has only a single action: LOG.
 *
 * @ThreadSafe
 * @since 3.7
 */
public class LogPermission extends Permission {
	private static final long serialVersionUID = -441193976837153362L;
	private static final String ALL = "*"; //$NON-NLS-1$

	/**
	 * The action string log.
	 */
	public static final String LOG = "log"; //$NON-NLS-1$

	/**
	 * Create a new LogPermission.
	 *
	 * @param name Name must be "*".
	 * @param actions log or "*".
	 */
	public LogPermission(String name, String actions) {
		super(name);
		if (!name.equals(ALL))
			throw new IllegalArgumentException("name must be *"); //$NON-NLS-1$

		actions = actions.trim();
		if (!actions.equalsIgnoreCase(LOG) && !actions.equals(ALL))
			throw new IllegalArgumentException("actions must be * or log"); //$NON-NLS-1$
	}

	@Override
	public boolean equals(Object obj) {
		return obj instanceof LogPermission;
	}

	@Override
	public String getActions() {
		return LOG;
	}

	@Override
	public int hashCode() {
		return LogPermission.class.hashCode();
	}

	@Override
	public boolean implies(Permission permission) {
		return permission instanceof LogPermission;
	}

	@Override
	public PermissionCollection newPermissionCollection() {
		return new LogPermissionCollection();
	}
}