com.liferay.blade.eclipse.provider.WorkspaceHelper.java Source code

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Here is the source code for com.liferay.blade.eclipse.provider.WorkspaceHelper.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.liferay.blade.eclipse.provider;

import aQute.lib.io.IO;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;

public class WorkspaceHelper {

    private void addNaturesToProject(IProject proj, String[] natureIds, IProgressMonitor monitor)
            throws CoreException {
        IProjectDescription description = proj.getDescription();

        String[] prevNatures = description.getNatureIds();
        String[] newNatures = new String[prevNatures.length + natureIds.length];

        System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);

        for (int i = prevNatures.length; i < newNatures.length; i++) {
            newNatures[i] = natureIds[i - prevNatures.length];
        }

        description.setNatureIds(newNatures);
        proj.setDescription(description, monitor);
    }

    public IFile createIFile(String projectName, File file) throws CoreException, IOException {
        IJavaProject project = getJavaProject(projectName);

        IFile projectFile = project.getProject().getFile(file.getName());

        final IProgressMonitor npm = new NullProgressMonitor();

        if (projectFile.exists()) {
            projectFile.delete(IFile.FORCE, npm);
        }

        projectFile.create(new ByteArrayInputStream(IO.read(file)), IFile.FORCE, npm);

        return projectFile;
    }

    private IJavaProject getJavaProject(String projectName) throws CoreException {
        IProject javaProject = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);

        IProgressMonitor monitor = new NullProgressMonitor();

        if (!javaProject.exists()) {
            IProjectDescription description = ResourcesPlugin.getWorkspace().newProjectDescription(projectName);
            javaProject.create(monitor);
            javaProject.open(monitor);
            javaProject.setDescription(description, monitor);
        }

        javaProject.open(monitor);
        addNaturesToProject(javaProject, new String[] { JavaCore.NATURE_ID }, monitor);

        return JavaCore.create(javaProject);
    }

}