Merge pull request #10 from itemis/cd_multiProjectServer

example for a multi project server

org.xtext.example.mydsl.ide/src/org/xtext/example/mydsl/ide/CustomServerModule.java

@@ -0,0 +1,13 @@
+package org.xtext.example.mydsl.ide;
+
+import org.eclipse.xtext.ide.server.IWorkspaceConfigFactory;
+import org.eclipse.xtext.ide.server.MultiProjectWorkspaceConfigFactory;
+
+import com.google.inject.AbstractModule;
+
+public final class CustomServerModule extends AbstractModule {
+	@Override
+	protected void configure() {
+		bind(IWorkspaceConfigFactory.class).to(MultiProjectWorkspaceConfigFactory.class);
+	}
+}

org.xtext.example.mydsl.ide/src/org/xtext/example/mydsl/ide/MultiProjectServerLauncher.xtend

@@ -0,0 +1,58 @@
+package org.xtext.example.mydsl.ide
+
+import com.google.inject.Guice
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
+import java.io.FileOutputStream
+import java.io.InputStream
+import java.io.OutputStream
+import java.io.PrintStream
+import java.io.PrintWriter
+import java.sql.Timestamp
+import javax.inject.Inject
+import org.eclipse.lsp4j.jsonrpc.Launcher
+import org.eclipse.lsp4j.services.LanguageClient
+import org.eclipse.xtext.ide.server.LanguageServerImpl
+import org.eclipse.xtext.ide.server.ServerModule
+import com.google.inject.util.Modules
+
+class MultiProjectServerLauncher {
+
+	private static boolean IS_DEBUG = false
+
+	def static void main(String[] args) {
+		val stdin = System.in
+		val stdout = System.out
+		redirectStandardStreams()
+		val launcher = Guice.createInjector(Modules.override(new ServerModule()).with(new CustomServerModule())).getInstance(ServerLauncher)
+		launcher.start(stdin, stdout)
+	}
+
+	@Inject LanguageServerImpl languageServer
+
+	def void start(InputStream in, OutputStream out) {
+		System.err.println("Starting Xtext Language Server.")
+		val launcher = Launcher.createLauncher(languageServer, LanguageClient, in, out, true, new PrintWriter(System.out))
+		languageServer.connect(launcher.remoteProxy)
+		val future = launcher.startListening
+		System.err.println("started.")
+		while (!future.done) {
+			Thread.sleep(10_000l)
+		}
+	}
+
+	def static redirectStandardStreams() {
+		System.setIn(new ByteArrayInputStream(newByteArrayOfSize(0)))
+		val id = org.eclipse.xtext.ide.server.ServerLauncher.name + "-" + new Timestamp(System.currentTimeMillis)
+		if (IS_DEBUG) {
+			val stdFileOut = new FileOutputStream("out-" + id + ".log")
+			System.setOut(new PrintStream(stdFileOut))
+			val stdFileErr = new FileOutputStream("error-" + id + ".log")
+			System.setErr(new PrintStream(stdFileErr))
+		} else {
+			System.setOut(new PrintStream(new ByteArrayOutputStream()))
+			System.setErr(new PrintStream(new ByteArrayOutputStream()))
+		}
+	}
+
+}