org.simantics.maps.server/src/org/simantics/district/maps/server/NodeJS.java

   1 package org.simantics.district.maps.server;
   2
   3 import java.io.IOException;
   4 import java.io.OutputStream;
   5 import java.net.URISyntaxException;
   6 import java.nio.file.Path;
   7 import java.util.ArrayList;
   8 import java.util.Arrays;
   9 import java.util.List;
  10 import java.util.concurrent.TimeoutException;
  11
  12 import org.simantics.district.maps.server.utils.EnvUtil;
  13 import org.zeroturnaround.exec.InvalidExitValueException;
  14 import org.zeroturnaround.exec.ProcessExecutor;
  15 import org.zeroturnaround.exec.stream.slf4j.Slf4jStream;
  16
  17 public class NodeJS {
  18
  19     public static final String NODEJS_VERSION = "v4.8.0";
  20
  21     private static final String NODE = "node";
  22
  23     private static Path nodeJSFolder() throws IOException, URISyntaxException {
  24         StringBuilder sb = new StringBuilder();
  25         sb.append(NODE).append("-").append(NODEJS_VERSION).append("-").append(getOs()).append("-").append(getArch());
  26         return Activator.getNodeJSRoot().resolve(sb.toString());
  27     }
  28
  29     public static Path executable() throws IOException, URISyntaxException {
  30         String nodeJSexecutable = NODE;
  31         if (EnvUtil.calculateOS() == "win")
  32             nodeJSexecutable = nodeJSexecutable + ".exe";
  33         return nodeJSFolder().resolve(nodeJSexecutable).toAbsolutePath().normalize();
  34     }
  35
  36     private static Path npmExecutable() throws IOException, URISyntaxException {
  37         String npmExecutable = "npm";
  38         if (EnvUtil.calculateOS() == "win")
  39             npmExecutable = npmExecutable + ".cmd";
  40         return nodeJSFolder().resolve(npmExecutable).toAbsolutePath().normalize();
  41     }
  42
  43     private static String getArch() {
  44         return EnvUtil.calculateArch();
  45     }
  46
  47     private static String getOs() {
  48         return EnvUtil.calculateOS();
  49     }
  50
  51     public static int npm(OutputStream output, String... args) throws InvalidExitValueException, IOException, InterruptedException, TimeoutException, URISyntaxException {
  52         List<String> actualArgs = new ArrayList<>();
  53         actualArgs.add(npmExecutable().toString());
  54         actualArgs.addAll(Arrays.asList(args));
  55         ProcessExecutor exec = new ProcessExecutor().command(actualArgs).redirectOutput(Slf4jStream.ofCaller().asInfo()).destroyOnExit();
  56         if (output != null)
  57             exec.redirectOutputAlsoTo(output);
  58         return exec.execute().getExitValue();
  59     }
  60
  61
  62     public static void main(String[] args) throws Exception {
  63         TileserverMapnik server = TileserverMapnikInstance.get();
  64         server.start();
  65     }
  66 }