org.eclipse.ajdt.internal.ui.ajdocexport.AJdocProjectContentProvider.java Source code

Introduction

Here is the source code for org.eclipse.ajdt.internal.ui.ajdocexport.AJdocProjectContentProvider.java

Source

/*******************************************************************************
 * Copyright (c) 2000, 2003, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Luzius Meisser  - adjusted for ajdoc 
 *     Helen Hawkins   - updated for Eclipse 3.1 (bug 109484)
 *******************************************************************************/
package org.eclipse.ajdt.internal.ui.ajdocexport;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.ajdt.core.AspectJPlugin;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jdt.core.IJavaElement;
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.jdt.internal.ui.JavaPlugin;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;

/**
 * Copied from org.eclipse.jdt.internal.ui.javadocexport.JavadocProjectContentProvider
 * Updated for eclipse 3.1
 * Changes marked with // AspectJ Extension
 */
public class AJdocProjectContentProvider implements ITreeContentProvider {

    /*
     * @see ITreeContentProvider#getChildren(Object)
     */
    public Object[] getChildren(Object parentElement) {
        // AspectJ Extension - we only want a list of projects since the
        // build config determines what is built
        /*      try {
                 if (parentElement instanceof IJavaProject) {
        IJavaProject project= (IJavaProject) parentElement;
        return getPackageFragmentRoots(project);
                 } else if (parentElement instanceof IPackageFragmentRoot) {
        return getPackageFragments((IPackageFragmentRoot) parentElement);
                 }
              } catch (JavaModelException e) {
                 JavaPlugin.log(e);
              } */
        return new Object[0];
    }

    /*
     * @see IStructuredContentProvider#getElements(Object)
     */
    public Object[] getElements(Object inputElement) {
        IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
        try {
            // AspectJ Extension begin - only return aspectj projects
            IJavaProject[] javaprojects = JavaCore.create(root).getJavaProjects();
            List ajProjects = new ArrayList(javaprojects.length);
            for (int i = 0; i < javaprojects.length; i++) {
                if (AspectJPlugin.isAJProject(javaprojects[i].getProject())) {
                    ajProjects.add(javaprojects[i]);
                }
            }
            return ajProjects.toArray();
            // AspectJ Extension end
        } catch (JavaModelException e) {
            JavaPlugin.log(e);
        }
        return new Object[0];
    }

    /*
     * @see ITreeContentProvider#getParent(Object)
     */
    public Object getParent(Object element) {

        IJavaElement parent = ((IJavaElement) element).getParent();
        if (parent instanceof IPackageFragmentRoot) {
            IPackageFragmentRoot root = (IPackageFragmentRoot) parent;
            if (root.getPath().equals(root.getJavaProject().getProject().getFullPath())) {
                return root.getJavaProject();
            }
        }
        return parent;
    }

    /*
     * @see ITreeContentProvider#hasChildren(Object)
     */
    public boolean hasChildren(Object element) {
        return (getChildren(element).length > 0);
    }

    /*
     * @see IContentProvider#dispose()
     */
    public void dispose() {
    }

    /*
     * @see IContentProvider#inputChanged(Viewer, Object, Object)
     */
    public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
    }

    // AspectJ Extension - commenting out unused code
    /*   private Object[] getPackageFragmentRoots(IJavaProject project) throws JavaModelException {
          ArrayList result= new ArrayList();
        
          IPackageFragmentRoot[] roots= project.getPackageFragmentRoots();
          for (int i= 0; i < roots.length; i++) {
     IPackageFragmentRoot root= roots[i];
     if (root.getKind() == IPackageFragmentRoot.K_SOURCE) {
        if (root.getPath().equals(root.getJavaProject().getPath())) {
           Object[] packageFragments= getPackageFragments(root);
           for (int k= 0; k < packageFragments.length; k++) {
              result.add(packageFragments[k]);
           }
        } else {
           result.add(root);
        }
     }
          }
          return result.toArray();
       }
        
       private Object[] getPackageFragments(IPackageFragmentRoot root) throws JavaModelException {
          ArrayList packageFragments= new ArrayList();
        
          IJavaElement[] children= root.getChildren();
          for (int i= 0; i < children.length; i++) {
     if (((IPackageFragment) children[i]).containsJavaResources())
        packageFragments.add(children[i]);
          }
          return packageFragments.toArray();
       }*/

}