org.aspectj.org.eclipse.jdt.internal.core.UserLibraryClasspathContainerInitializer 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) 2000, 2008 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.aspectj.org.eclipse.jdt.internal.core;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.aspectj.org.eclipse.jdt.core.ClasspathContainerInitializer;
import org.aspectj.org.eclipse.jdt.core.IClasspathContainer;
import org.aspectj.org.eclipse.jdt.core.IJavaProject;
import org.aspectj.org.eclipse.jdt.core.JavaCore;

public class UserLibraryClasspathContainerInitializer extends ClasspathContainerInitializer {

	@Override
	public boolean canUpdateClasspathContainer(IPath containerPath, IJavaProject project) {
		return isUserLibraryContainer(containerPath);
	}

	@Override
	public Object getComparisonID(IPath containerPath, IJavaProject project) {
		return containerPath;
	}

	/**
	 * @see org.eclipse.jdt.core.ClasspathContainerInitializer#getDescription(org.eclipse.core.runtime.IPath, org.aspectj.org.eclipse.jdt.core.IJavaProject)
	 */
	@Override
	public String getDescription(IPath containerPath, IJavaProject project) {
		if (isUserLibraryContainer(containerPath)) {
			return containerPath.segment(1);
		}
		return super.getDescription(containerPath, project);
	}

	@Override
	public void initialize(IPath containerPath, IJavaProject project) throws CoreException {
		if (isUserLibraryContainer(containerPath)) {
			String userLibName = containerPath.segment(1);
			UserLibrary userLibrary = JavaModelManager.getUserLibraryManager().getUserLibrary(userLibName);
			if (userLibrary != null) {
				UserLibraryClasspathContainer container = new UserLibraryClasspathContainer(userLibName);
				JavaCore.setClasspathContainer(containerPath, new IJavaProject[] { project }, new IClasspathContainer[] { container }, null);
			} else if (JavaModelManager.CP_RESOLVE_VERBOSE || JavaModelManager.CP_RESOLVE_VERBOSE_FAILURE) {
				verbose_no_user_library_found(project, userLibName);
			}
		} else if (JavaModelManager.CP_RESOLVE_VERBOSE || JavaModelManager.CP_RESOLVE_VERBOSE_FAILURE) {
			verbose_not_a_user_library(project, containerPath);
		}
	}

	private boolean isUserLibraryContainer(IPath path) {
		return path != null && path.segmentCount() == 2 && JavaCore.USER_LIBRARY_CONTAINER_ID.equals(path.segment(0));
	}

	/**
	 * @see org.eclipse.jdt.core.ClasspathContainerInitializer#requestClasspathContainerUpdate(org.eclipse.core.runtime.IPath, org.aspectj.org.eclipse.jdt.core.IJavaProject, org.aspectj.org.eclipse.jdt.core.IClasspathContainer)
	 */
	@Override
	public void requestClasspathContainerUpdate(IPath containerPath, IJavaProject project, IClasspathContainer containerSuggestion) throws CoreException {
		if (isUserLibraryContainer(containerPath)) {
			String name = containerPath.segment(1);
			if (containerSuggestion != null) {
				JavaModelManager.getUserLibraryManager().setUserLibrary(name, containerSuggestion.getClasspathEntries(), containerSuggestion.getKind() == IClasspathContainer.K_SYSTEM);
			} else {
				JavaModelManager.getUserLibraryManager().removeUserLibrary(name);
			}
			// update of affected projects was done as a consequence of setUserLibrary() or removeUserLibrary()
		}
	}

	private void verbose_no_user_library_found(IJavaProject project, String userLibraryName) {
		JavaModelManager.trace(
			"UserLibrary INIT - FAILED (no user library found)\n" + //$NON-NLS-1$
			"	project: " + project.getElementName() + '\n' + //$NON-NLS-1$
			"	userLibraryName: " + userLibraryName); //$NON-NLS-1$
	}

	private void verbose_not_a_user_library(IJavaProject project, IPath containerPath) {
		JavaModelManager.trace(
			"UserLibrary INIT - FAILED (not a user library)\n" + //$NON-NLS-1$
			"	project: " + project.getElementName() + '\n' + //$NON-NLS-1$
			"	container path: " + containerPath); //$NON-NLS-1$
	}
}