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

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

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/*******************************************************************************
 * Copyright (c) 2000, 2009 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.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;

public class ExternalJavaProject extends JavaProject {

    /*
     * Note this name can be surfaced in the UI (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=128258)
     */
    public static final String EXTERNAL_PROJECT_NAME = " "; //$NON-NLS-1$

    public ExternalJavaProject(IClasspathEntry[] rawClasspath) {
        super(ResourcesPlugin.getWorkspace().getRoot().getProject(EXTERNAL_PROJECT_NAME),
                JavaModelManager.getJavaModelManager().getJavaModel());
        try {
            getPerProjectInfo().setRawClasspath(rawClasspath, defaultOutputLocation(),
                    JavaModelStatus.VERIFIED_OK/*no .classpath format problem*/);
        } catch (JavaModelException e) {
            // getPerProjectInfo() never throws JavaModelException for an ExternalJavaProject
        }
    }

    @Override
    public boolean equals(Object o) {
        return this == o;
    }

    @Override
    public boolean exists() {
        // external project never exists
        return false;
    }

    @Override
    public String getOption(String optionName, boolean inheritJavaCoreOptions) {
        if (JavaCore.COMPILER_PB_FORBIDDEN_REFERENCE.equals(optionName)
                || JavaCore.COMPILER_PB_DISCOURAGED_REFERENCE.equals(optionName))
            return JavaCore.IGNORE;
        return super.getOption(optionName, inheritJavaCoreOptions);
    }

    @Override
    public boolean isOnClasspath(IJavaElement element) {
        // since project is external, no element is on classpath (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=61013#c16)
        return false;
    }

    @Override
    public boolean isOnClasspath(IResource resource) {
        // since project is external, no resource is on classpath (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=61013#c16)
        return false;
    }

    @Override
    protected IStatus validateExistence(IResource underlyingResource) {
        // allow opening of external project
        return JavaModelStatus.VERIFIED_OK;
    }
}