/**
* Copyright (C) 2005 - 2013 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.dltk.command.launching;
import java.util.ArrayList;
import java.util.HashMap;
import org.eclim.Services;
import org.eclim.annotation.Command;
import org.eclim.command.CommandLine;
import org.eclim.command.Options;
import org.eclim.plugin.core.command.AbstractCommand;
import org.eclim.plugin.core.project.ProjectNatureFactory;
import org.eclim.plugin.core.util.ProjectUtils;
import org.eclim.plugin.dltk.util.DltkUtils;
import org.eclipse.core.resources.IProject;
import org.eclipse.dltk.core.environment.EnvironmentManager;
import org.eclipse.dltk.core.environment.IEnvironment;
import org.eclipse.dltk.launching.IInterpreterInstall;
import org.eclipse.dltk.launching.IInterpreterInstallType;
import org.eclipse.dltk.launching.ScriptRuntime;
/**
* Command to list the currently available interpreters.
*
* @author Eric Van Dewoestine
*/
@Command(
name = "dltk_interpreters",
options =
"OPTIONAL p project ARG," +
"OPTIONAL l nature ARG"
)
public class InterpretersCommand
extends AbstractCommand
{
@Override
public Object execute(CommandLine commandLine)
throws Exception
{
String projectName = commandLine.getValue(Options.PROJECT_OPTION);
String alias = commandLine.getValue(Options.LANG_OPTION);
if (projectName == null && alias == null){
throw new RuntimeException(
Services.getMessage("interpreters.arg.required"));
}
IEnvironment env = null;
ArrayList<String> natures = new ArrayList<String>();
if (projectName != null){
IProject project = ProjectUtils.getProject(projectName, true);
env = EnvironmentManager.getEnvironment(project);
for (String n : DltkUtils.getDltkNatures()){
if (project.hasNature(n)){
natures.add(n);
}
}
}else{
String nature = ProjectNatureFactory.getNatureForAlias(alias);
if (nature == null){
throw new RuntimeException(
Services.getMessage("nature.alias.not.found", alias));
}
natures.add(nature);
env = EnvironmentManager.getLocalEnvironment();
}
ArrayList<HashMap<String,Object>> interpreters =
new ArrayList<HashMap<String,Object>>();
for (String natureId : natures){
IInterpreterInstall deflt =
ScriptRuntime.getDefaultInterpreterInstall(
new ScriptRuntime.DefaultInterpreterEntry(natureId, env.getId()));
if (deflt != null){
HashMap<String,Object> defaultInt = new HashMap<String,Object>();
defaultInt.put("nature", ProjectNatureFactory.getAliasForNature(natureId));
defaultInt.put("name", deflt.getName());
defaultInt.put("path", deflt.getInstallLocation().getPath().toOSString());
defaultInt.put("default", true);
interpreters.add(defaultInt);
}
IInterpreterInstallType[] types =
ScriptRuntime.getInterpreterInstallTypes(natureId);
for (IInterpreterInstallType type : types){
IInterpreterInstall[] installs = type.getInterpreterInstalls();
for (IInterpreterInstall install : installs){
if (!install.equals(deflt)){
HashMap<String,Object> inter = new HashMap<String,Object>();
inter.put("nature", ProjectNatureFactory.getAliasForNature(natureId));
inter.put("name", install.getName());
inter.put("path", install.getInstallLocation().getPath().toOSString());
inter.put("default", false);
interpreters.add(inter);
}
}
}
}
return interpreters;
}
}