org.eclipselabs.stlipse.util.ProjectUtil.java Source code

Introduction

Here is the source code for org.eclipselabs.stlipse.util.ProjectUtil.java

Source

/*-
 * Copyright (C) 2011-2014 by Iwao AVE!
 * This program is made available under the terms of the MIT License.
 */

package org.eclipselabs.stlipse.util;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.wst.sse.core.StructuredModelManager;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;

/**
 * @author Iwao AVE!
 */
@SuppressWarnings("restriction")
public class ProjectUtil {
    public static IJavaProject getProjectFromDocument(IDocument document) {
        IStructuredModel model = null;
        String baseLocation = null;
        IJavaProject result = null;

        // try to locate the file in the workspace
        try {
            model = StructuredModelManager.getModelManager().getExistingModelForRead(document);
            if (model != null) {
                baseLocation = model.getBaseLocation();
            }
        } finally {
            if (model != null)
                model.releaseFromRead();
        }
        if (baseLocation != null) {
            IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
            IPath filePath = new Path(baseLocation);
            IFile file = null;

            if (filePath.segmentCount() > 1) {
                file = root.getFile(filePath);
            }
            if (file != null) {
                IProject project = file.getProject();
                result = JavaCore.create(project);
            }
        }
        return result;
    }

    public static IPackageFragmentRoot getFirstSourceRoot(IJavaProject project) throws JavaModelException {
        IPackageFragmentRoot pkgRoot = null;
        for (IPackageFragmentRoot root : project.getPackageFragmentRoots()) {
            if (root.getKind() == IPackageFragmentRoot.K_SOURCE) {
                // Use the first source folder.
                pkgRoot = root;
                break;
            }
        }
        return pkgRoot;
    }
}