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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) OSGi Alliance (2009, 2019). All Rights Reserved.
 * 
 * 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.osgi.framework.launch;

import java.util.Map;

import org.osgi.annotation.versioning.ProviderType;
import org.osgi.framework.Bundle;

/**
 * A factory for creating {@link Framework} instances.
 * 
 * 
 * A framework implementation jar must contain the following resource:
 * 
 * 
 * /META-INF/services/org.osgi.framework.launch.FrameworkFactory
 * 
 * 
 * This UTF-8 encoded resource must contain the name of the framework
 * implementation's FrameworkFactory implementation class. Space and tab
 * characters, including blank lines, in the resource must be ignored. The
 * number sign ({@code '#'} \u0023) and all characters following it on each
 * line are a comment and must be ignored.
 * 
 * 
 * Launchers can find the name of the FrameworkFactory implementation class in
 * the resource and then load and construct a FrameworkFactory object for the
 * framework implementation. The FrameworkFactory implementation class must have
 * a public, no-argument constructor. Java™ SE 6 introduced the
 * {@code ServiceLoader} class which can create a FrameworkFactory instance from
 * the resource.
 * 
 * @ThreadSafe
 * @author $Id: ecb53ee09a939a2c23a47ecad6f94fcfdf2f7c46 $
 */
@ProviderType
public interface FrameworkFactory {

	/**
	 * Create a new {@link Framework} instance.
	 * 
	 * @param configuration The framework properties to configure the new
	 *        framework instance. If framework properties are not provided by
	 *        the configuration argument, the created framework instance must
	 *        use some reasonable default configuration appropriate for the
	 *        current VM. For example, the system packages for the current
	 *        execution environment should be properly exported. The specified
	 *        configuration argument may be {@code null}. The created framework
	 *        instance must copy any information needed from the specified
	 *        configuration argument since the configuration argument can be
	 *        changed after the framework instance has been created.
	 * @return A new, configured {@link Framework} instance. The framework
	 *         instance must be in the {@link Bundle#INSTALLED} state.
	 * @throws SecurityException If the caller does not have
	 *         {@code AllPermission}, and the Java Runtime Environment supports
	 *         permissions.
	 */
	Framework newFramework(Map configuration);
}