org.aspectj.org.eclipse.jdt.internal.core.SetContainerOperation Maven / Gradle / Ivy

/*******************************************************************************
 * Copyright (c) 2000, 2019 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 static org.aspectj.org.eclipse.jdt.internal.core.JavaModelManager.trace;

import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.OperationCanceledException;
import org.aspectj.org.eclipse.jdt.core.IClasspathContainer;
import org.aspectj.org.eclipse.jdt.core.IClasspathEntry;
import org.aspectj.org.eclipse.jdt.core.IJavaElement;
import org.aspectj.org.eclipse.jdt.core.IJavaModelStatusConstants;
import org.aspectj.org.eclipse.jdt.core.IJavaProject;
import org.aspectj.org.eclipse.jdt.core.JavaModelException;

public class SetContainerOperation extends ChangeClasspathOperation {

	IPath containerPath;
	IJavaProject[] affectedProjects;
	IClasspathContainer[] respectiveContainers;

	/*
	 * Creates a new SetContainerOperation.
	 */
	public SetContainerOperation(IPath containerPath, IJavaProject[] affectedProjects, IClasspathContainer[] respectiveContainers) {
		super(new IJavaElement[] {JavaModelManager.getJavaModelManager().getJavaModel()}, !ResourcesPlugin.getWorkspace().isTreeLocked());
		this.containerPath = containerPath;
		this.affectedProjects = affectedProjects;
		this.respectiveContainers = respectiveContainers;
	}

	@Override
	protected void executeOperation() throws JavaModelException {
		checkCanceled();
		try {
			beginTask("", 1); //$NON-NLS-1$
			if (JavaModelManager.CP_RESOLVE_VERBOSE)
				verbose_set_container();
			if (JavaModelManager.CP_RESOLVE_VERBOSE_ADVANCED)
				verbose_set_container_invocation_trace();

			JavaModelManager manager = JavaModelManager.getJavaModelManager();
			if (manager.containerPutIfInitializingWithSameEntries(this.containerPath, this.affectedProjects, this.respectiveContainers))
				return;

			final int projectLength = this.affectedProjects.length;
			final IJavaProject[] modifiedProjects;
			System.arraycopy(this.affectedProjects, 0, modifiedProjects = new IJavaProject[projectLength], 0, projectLength);

			// filter out unmodified project containers
			int remaining = 0;
			for (int i = 0; i < projectLength; i++){
				if (isCanceled())
					return;
				JavaProject affectedProject = (JavaProject) this.affectedProjects[i];
				IClasspathContainer newContainer = this.respectiveContainers[i];
				if (newContainer == null) newContainer = JavaModelManager.CONTAINER_INITIALIZATION_IN_PROGRESS; // 30920 - prevent infinite loop
				boolean found = false;
				if (JavaProject.hasJavaNature(affectedProject.getProject())){
					IClasspathEntry[] rawClasspath = affectedProject.getRawClasspath();
					for (int j = 0, cpLength = rawClasspath.length; j "); //$NON-NLS-1$
							return buffer.toString();
						}
						IClasspathContainer container = (IClasspathContainer) o;
						buffer.append(container.getDescription());
						buffer.append(" {\n"); //$NON-NLS-1$
						IClasspathEntry[] entries = container.getClasspathEntries();
						if (entries != null){
							for (int i = 0; i < entries.length; i++){
								buffer.append(" 			"); //$NON-NLS-1$
								buffer.append(entries[i]);
								buffer.append('\n');
							}
						}
						buffer.append(" 		}"); //$NON-NLS-1$
						return buffer.toString();
					}
				}) +
			"\n	}");//$NON-NLS-1$
	}

	private void verbose_set_container_invocation_trace() {
		trace(
			"CPContainer SET  - setting container\n" + //$NON-NLS-1$
			"	invocation stack trace:", new Exception("")); //$NON-NLS-1$ //$NON-NLS-2$
	}

}