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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) 2007, 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.signedcontent;

import java.io.File;
import java.io.IOException;
import java.security.*;
import java.security.cert.CertificateException;
import org.osgi.framework.Bundle;

/**
 * A factory used to create {@link SignedContent} objects.
 * 
 * The framework will register a factory implementation as an OSGi service.
 * This service can be used to get SignedContent for a bundle.
 * It can also be used to get SignedContent for a repository file.
 * The supported formats for file repositories are jar files and  directories containing the
 * content of an extracted jar.
 * 
 * 
 * This interface is not intended to be implemented by clients.
 * 
 * @since 3.4
 * @noimplement This interface is not intended to be implemented by clients.
 */
public interface SignedContentFactory {
	/**
	 * Returns a SignedContent object for the specified content of a repository.
	 * @param content the content of the repository
	 * @return signed content for the specified repository
	 * @throws IOException if an IO exception occurs while reading the repository
	 * @throws NoSuchProviderException if there's no security provider for the signed content
	 * @throws NoSuchAlgorithmException if the cryptographic algorithm is not available for the signed content
	 * @throws CertificateException if there is a problem with one of the certificates of the signed content
	 * @throws SignatureException if there is a problem with one of the signatures of the signed content
	 * @throws InvalidKeyException if there is a problem with one of the certificate keys of the signed content
	 */
	public SignedContent getSignedContent(File content) throws IOException, InvalidKeyException, SignatureException, CertificateException, NoSuchAlgorithmException, NoSuchProviderException;

	/**
	 * Returns a SignedContent object for the specified bundle.
	 * @param bundle the bundle to get a signed content for.
	 * @return signed content for the specified bundle.
	 * @throws IOException if an IO exception occurs while reading the bundle content
	 * @throws NoSuchProviderException if there's no security provider for the signed content
	 * @throws NoSuchAlgorithmException if the cryptographic algorithm is not available for the signed content
	 * @throws CertificateException if there is a problem with one of the certificates of the signed content
	 * @throws SignatureException if there is a problem with one of the signatures of the signed content
	 * @throws InvalidKeyException if there is a problem with one of the certificate keys of the signed content
	 */
	public SignedContent getSignedContent(Bundle bundle) throws IOException, InvalidKeyException, SignatureException, CertificateException, NoSuchAlgorithmException, NoSuchProviderException;
}