/**
* Copyright (C) 2005 - 2009 Eric Van Dewoestine
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.eclim.plugin.wst.util;
import org.eclim.Services;
import org.eclim.plugin.core.project.ProjectNatureFactory;
import org.eclim.plugin.core.util.ProjectUtils;
import org.eclim.plugin.wst.PluginResources;
import org.eclipse.core.resources.IProject;
import org.eclipse.wst.jsdt.core.IJavaScriptProject;
import org.eclipse.wst.jsdt.core.IJavaScriptUnit;
import org.eclipse.wst.jsdt.core.JavaScriptCore;
/**
* Utility methods for working with javascript files / projects.
*
* @author Eric Van Dewoestine
*/
public class JavaScriptUtils
{
/**
* Gets a javascript project by name.
*
* @param project The name of the project.
* @return The project.
*/
public static IJavaScriptProject getJavaScriptProject(String project)
throws Exception
{
return getJavaScriptProject(ProjectUtils.getProject(project, true));
}
/**
* Gets a javascript project from the supplied IProject.
*
* @param project The IProject.
* @return The javascript project.
*/
public static IJavaScriptProject getJavaScriptProject(IProject project)
throws Exception
{
if(ProjectUtils.getPath(project) == null){
throw new IllegalArgumentException(
Services.getMessage("project.location.null", project.getName()));
}
if(!project.hasNature(PluginResources.JAVASCRIPT_NATURE)){
String alias = ProjectNatureFactory
.getAliasForNature(PluginResources.JAVASCRIPT_NATURE);
throw new IllegalArgumentException(Services.getMessage(
"project.missing.nature", project.getName(), alias));
}
IJavaScriptProject javascriptProject = JavaScriptCore.create(project);
if(javascriptProject == null || !javascriptProject.exists()){
throw new IllegalArgumentException(
Services.getMessage("project.not.found", project));
}
return javascriptProject;
}
/**
* Gets the javascript unit from the supplied project.
*
* @param project The project name.
* @param file The absolute path to the file.
* @return The compilation unit or null if not found.
*/
public static IJavaScriptUnit getJavaScriptUnit(String project, String file)
throws Exception
{
IJavaScriptProject javascriptProject = getJavaScriptProject(project);
return getJavaScriptUnit(javascriptProject, file);
}
/**
* Gets the javascript unit from the supplied project.
*
* @param project The project.
* @param file The absolute path to the file.
* @return The compilation unit or null if not found.
*/
public static IJavaScriptUnit getJavaScriptUnit(
IJavaScriptProject project, String file)
throws Exception
{
if (!project.isOpen()){
project.open(null);
}
return JavaScriptCore.createCompilationUnitFrom(
ProjectUtils.getFile(project.getProject(), file));
}
}