org.eclipse.jdt.internal.core.ClasspathValidation.java Source code

Introduction

Here is the source code for org.eclipse.jdt.internal.core.ClasspathValidation.java

Source

/*******************************************************************************
 * Copyright (c) 2000, 2011 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.jdt.internal.core;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaModelStatus;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.core.builder.JavaBuilder;

/*
 * Validates the raw classpath format and the resolved classpath of this project,
 * updating markers if necessary.
 */
public class ClasspathValidation {

    private JavaProject project;

    public ClasspathValidation(JavaProject project) {
        this.project = project;
    }

    public void validate() {
        JavaModelManager.PerProjectInfo perProjectInfo;
        try {
            perProjectInfo = this.project.getPerProjectInfo();
        } catch (JavaModelException e) {
            // project doesn't exist
            IProject resource = this.project.getProject();
            if (resource.isAccessible()) {
                this.project.flushClasspathProblemMarkers(true/*flush cycle markers*/,
                        true/*flush classpath format markers*/, true /*flush overlapping output markers*/);

                // remove problems and tasks created  by the builder
                JavaBuilder.removeProblemsAndTasksFor(resource);
            }
            return;
        }

        // use synchronized block to ensure consistency
        IClasspathEntry[] rawClasspath;
        IPath outputLocation;
        IJavaModelStatus status;
        synchronized (perProjectInfo) {
            rawClasspath = perProjectInfo.rawClasspath;
            outputLocation = perProjectInfo.outputLocation;
            status = perProjectInfo.rawClasspathStatus; // status has been set during POST_CHANGE
        }

        // update classpath format problems
        this.project.flushClasspathProblemMarkers(false/*cycle*/, true/*format*/, false/*overlapping*/);
        if (!status.isOK())
            this.project.createClasspathProblemMarker(status);

        // update overlapping output problem markers 
        this.project.flushClasspathProblemMarkers(false/*cycle*/, false/*format*/, true/*overlapping*/);

        // update resolved classpath problems
        this.project.flushClasspathProblemMarkers(false/*cycle*/, false/*format*/, false/*overlapping*/);

        if (rawClasspath != JavaProject.INVALID_CLASSPATH && outputLocation != null) {
            for (int i = 0; i < rawClasspath.length; i++) {
                status = ClasspathEntry.validateClasspathEntry(this.project, rawClasspath[i], false/*src attach*/,
                        false /*not referred by a container*/);
                if (!status.isOK()) {
                    this.project.createClasspathProblemMarker(status);
                }
            }
            status = ClasspathEntry.validateClasspath(this.project, rawClasspath, outputLocation);
            if (status.getCode() != IStatus.OK)
                this.project.createClasspathProblemMarker(status);
        }
    }

}