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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) 2006, 2012 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
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.osgi.internal.provisional.verifier;

import java.security.SignatureException;
import java.security.cert.*;

/**
 * A certificate verifier is used to verify the authenticity of a signed
 * repository.  A certificate verifier is created using a
 * {@link CertificateVerifierFactory}.
 * 
 * EXPERIMENTAL. This class or interface has been added as
 * part of a work in progress. There is no guarantee that this API will
 * work or that it will remain the same. Please do not use this API without
 * consulting with the equinox team.
 * 
 */
public interface CertificateVerifier {
	/**
	 * Verify the content of the repository.
	 *
	 * @throws CertificateException
	 * @throws CertificateExpiredException
	 * @throws CertificateParsingException
	 * @throws SignatureException
	 */
	public void checkContent() throws CertificateException, CertificateExpiredException, SignatureException;

	/**
	 * Verifies the content of the repository.  An array is returned with the entry names
	 * which are corrupt.  If no entries are corrupt then an empty array is returned.
	 * @return An array of entry names which are corrupt.  An empty array is returned if the
	 * repository is not corrupt or if the repository is not signed.
	 */
	public String[] verifyContent();

	/**
	 * Returns true if the repository is signed
	 * @return true if the repository is signed
	 */
	public boolean isSigned();

	/**
	 * Returns all certificate chains of the repository.  All certificate chains
	 * are returned whether they are trusted or not.  If the repository is not signed
	 * then an empty array is returned.
	 * @return all certificate chains of the repository
	 */
	public CertificateChain[] getChains();
}