x10dt.ui.launch.java.wizards.X10ProjectWizardSecondPage.java Source code

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Here is the source code for x10dt.ui.launch.java.wizards.X10ProjectWizardSecondPage.java

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/*******************************************************************************
 * Copyright (c) 2008 IBM Corporation.
 * 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:
 *    Robert Fuhrer (rfuhrer@watson.ibm.com) - initial API and implementation
    
 *******************************************************************************/

/*
 * (C) Copyright IBM Corporation 2007
 * 
 * This file is part of the Eclipse IMP.
 */
/*
 * Created on Feb 6, 2006
 */
package x10dt.ui.launch.java.wizards;

import java.io.InputStream;
import java.util.Arrays;
import java.util.List;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.imp.builder.ProjectNatureBase;
import org.eclipse.imp.java.hosted.wizards.NewProjectWizardSecondPage;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;

import x10dt.core.utils.X10DTCoreConstants;
import x10dt.ui.builder.java.Activator;
import x10dt.ui.builder.java.Messages;
import x10dt.ui.launch.java.nature.X10ProjectNature;
import x10dt.ui.utils.WizardUtils;

public class X10ProjectWizardSecondPage extends NewProjectWizardSecondPage {

    public X10ProjectWizardSecondPage(X10ProjectWizardFirstPage firstPage) {
        super(firstPage);
    }

    protected ProjectNatureBase getProjectNature() {
        return new X10ProjectNature();
    }

    @Override
    protected List<IClasspathEntry> createLanguageRuntimeEntries() {
        return Arrays.asList(JavaCore.newContainerEntry(new Path(X10DTCoreConstants.X10_CONTAINER_ENTRY_ID)));
    }

    /**
     * The purpose of this override is to add an extra check on the classpath,
     * to make sure that it has an explicit source folder entry. Unfortunately,
     * there does not appear to be enough API exposed on the base class to implement
     * this check in the normal manner.
     */
    protected void updateStatus(IStatus status) {
        if (status.isOK()) {
            if (!checkClasspath()) {
                super.updateStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID,
                        Messages.X10ProjectWizardSecondPage_noSourceEntry));
                return;
            }
        }
        super.updateStatus(status);
    }

    private boolean checkClasspath() {
        IClasspathEntry[] cpEntries = getRawClassPath();
        for (IClasspathEntry entry : cpEntries) {
            if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
                return true;
            }
        }
        return false;
    }

    @Override
    public void performFinish(IProgressMonitor monitor) throws CoreException, InterruptedException {
        final X10ProjectWizardFirstPage firstPage = (X10ProjectWizardFirstPage) this.getPreviousPage();
        final IProject project = firstPage.getProjectHandle();

        super.performFinish(monitor);

        // -- create src-java and bin-java
        String srcJava = "src-java";
        String binJava = "bin-java";
        String x10GenSrc = "x10-gen-src";
        IFolder srcFolder = project.getFolder(srcJava);
        IFolder binFolder = project.getFolder(binJava);
        IFolder x10genFolder = project.getFolder(x10GenSrc);
        srcFolder.create(IResource.FORCE, true, monitor);
        binFolder.create(IResource.FORCE, true, monitor);
        x10genFolder.create(IResource.FORCE, true, monitor);

        // -- add src-java to classpath
        IClasspathEntry javasrc = JavaCore.newSourceEntry(project.getFolder(srcJava).getFullPath(), new IPath[0],
                project.getFolder(binJava).getFullPath());
        IClasspathEntry x10gen = JavaCore.newSourceEntry(project.getFolder(x10GenSrc).getFullPath());
        IJavaProject javaProject = JavaCore.create(project);
        IClasspathEntry[] entries = javaProject.getRawClasspath();
        IClasspathEntry[] newEntries = new IClasspathEntry[entries.length + 2];
        System.arraycopy(entries, 0, newEntries, 0, entries.length);
        newEntries[newEntries.length - 1] = javasrc;
        newEntries[newEntries.length - 2] = x10gen;
        javaProject.setRawClasspath(newEntries, new NullProgressMonitor());

        // generate sample "Hello World" X10 application
        if (firstPage.isGenHello()) {
            ResourcesPlugin.getWorkspace().run(new IWorkspaceRunnable() {
                public void run(IProgressMonitor monitor) throws CoreException {
                    IFile newFile = project.getFile("src/Hello.x10"); //$NON-NLS-1$
                    IFolder srcFolder = project.getFolder("src"); //$NON-NLS-1$
                    IJavaProject javaProject = JavaCore.create(project);
                    IPackageFragmentRoot pkgFragRoot = javaProject.getPackageFragmentRoot(srcFolder);
                    IPackageFragment pkgFrag = pkgFragRoot.getPackageFragment(""); //$NON-NLS-1$

                    InputStream sourceInputStream = WizardUtils.createSampleContentStream(pkgFrag.getElementName(),
                            "Hello"); //$NON-NLS-1$
                    newFile.create(sourceInputStream, IResource.FORCE | IResource.KEEP_HISTORY, monitor);

                    ((X10ProjectWizard) X10ProjectWizardSecondPage.this.getWizard()).selectAndReveal(newFile);
                    openResource(newFile);
                }
            }, monitor);
        }
    }

}