plugins/org.eclipse.dltk.ruby.launching/src/org/eclipse/dltk/ruby/internal/launching/JRubyInstallType.java

package org.eclipse.dltk.ruby.internal.launching;

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

import org.eclipse.core.runtime.ILog;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.dltk.internal.launching.AbstractInterpreterInstallType;
import org.eclipse.dltk.internal.launching.InterpreterMessages;
import org.eclipse.dltk.launching.IInterpreterInstall;
import org.eclipse.dltk.ruby.core.RubyNature;
import org.eclipse.dltk.ruby.launching.RubyLaunchingPlugin;
import org.osgi.framework.Bundle;

public class JRubyInstallType extends AbstractInterpreterInstallType {
	private static final String INSTALL_TYPE_NAME = "JRuby";

	private static final String[] INTERPRETER_NAMES = { "jruby" };

	public String getNatureId() {
		return RubyNature.NATURE_ID;
	}

	public String getName() {
		return INSTALL_TYPE_NAME;
	}

	protected String getPluginId() {
		return RubyLaunchingPlugin.PLUGIN_ID;
	}

	protected String[] getPossibleInterpreterNames() {
		return INTERPRETER_NAMES;
	}

	protected IInterpreterInstall doCreateInterpreterInstall(String id) {
		return new RubyGenericInstall(this, id);
	}

	protected File createPathFile() throws IOException {
		Bundle bundle = RubyLaunchingPlugin.getDefault().getBundle();
		return storeToMetadata(bundle, "path.rb", "scripts/path.rb");
	}

	protected String getBuildPathDelimeter() {
		return ";:";
	}

	protected ILog getLog() {
		return RubyLaunchingPlugin.getDefault().getLog();
	}

	public IStatus validateInstallLocation(File installLocation) {
		if (!Platform.getOS().equals(Platform.OS_WIN32)) {
			if (installLocation.getName().indexOf(".bat") != 0) {
				return createStatus(
						IStatus.ERROR,
						InterpreterMessages.errNonExistentOrInvalidInstallLocation,
						null);
			}
		}

		return super.validateInstallLocation(installLocation);
	}
}