uwproj: comparison src/main/java/de/unixwork/uwproj/Main.java

-:9817c08f9637
+:a13789dd1cfb
 import org.apache.velocity.VelocityContext;
 import org.apache.velocity.app.VelocityEngine;
 import org.slf4j.LoggerFactory;
 import java.io.*;
+import java.nio.file.*;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.PosixFilePermissions;
+import java.util.Arrays;
+import java.util.Objects;
+import java.util.Set;
 public class Main {
 public final static String IN_FILE_DEFAULT = "make/project.xml";
 public final static String TPL_FILE_DEFAULT = "make/configure.vm";
 context.put("vars", project.getVars());
 context.put("languages", project.getLang());
 new VelocityEngine().getTemplate(tplFileName).merge(context, out);
 }
+private static void abort() {
+System.err.println("Abort.");
+System.exit(1);
+}
 private static void printUsage() {
 System.err.println("Usage: uwproj [OPTIONS]");
 System.err.println();
 System.err.println("OPTIONS:");
 System.err.println("  -h --help              Print help text and exit");
+System.err.println("     --init              Creates default files in directory 'make'");
 System.err.println("  -o --output <file>     Path to the output file");
 System.err.printf("                         (default: %s)\n", OUT_FILE_DEFAULT);
 System.err.println("  -p --project <file>    Path to the project.xml file");
 System.err.printf("                         (default: %s)\n", IN_FILE_DEFAULT);
 System.err.println("  -t --template <file>   Path to the velocity template");
 System.err.printf("                         (default: %s)\n", TPL_FILE_DEFAULT);
+System.err.println("     --update            Same as --init, but overwrites existing files");
+}
+private static void extract(Path path) {
+try (final var res = Objects.requireNonNull(Main.class.getClassLoader().getResourceAsStream(path.toString()))) {
+Files.copy(res, path, StandardCopyOption.REPLACE_EXISTING);
+} catch (Throwable t) {
+System.err.printf("Cannot extract '%s': %s\n", path, t.getMessage());
+abort();
+}
+}
+private static void init(boolean force) {
+final var files = new String[]{
+"cc.mk", "gcc.mk", "clang.mk", "suncc.mk",
+"configure.vm", "toolchain.sh", "uwproj.xsd"
+};
+// (1) create the make dir if it does not exist
+final var make = Paths.get("make");
+if (Files.exists(make)) {
+if (!Files.isDirectory(make)) {
+System.err.println("A file with name 'make' already exists, but it's not a directory.");
+abort();
+}
+if (!force) {
+System.err.println("uwproj files already exist. You can use --update instead.");
+abort();
+}
+} else {
+try {
+Files.createDirectory(make);
+} catch (Throwable t) {
+System.err.printf("Creating directory failed: %s\n", t.getMessage());
+abort();
+}
+}
+// (2) create project.xml ONLY if it does not exist
+final var project = make.resolve("project.xml");
+if (Files.notExists(project)) {
+extract(project);
+}
+// (3) create or update remaining uwproj files
+Arrays.stream(files).map(make::resolve).forEach(Main::extract);
+// (4) stop
+System.out.printf("uwproj files %s.\n", force ? "updated" : "created");
+System.exit(0);
 }
 private static void checkOneMoreArg(int i, int length) {
 if (i+1 >= length) {
 printUsage();
 public static void main(String[] args) {
 var inFileName = IN_FILE_DEFAULT;
 var tplFileName = TPL_FILE_DEFAULT;
 var outFileName = OUT_FILE_DEFAULT;
+boolean opsOptionsUsed = false;
+boolean doInit = false;
+boolean forceInit = false;
 for (int i = 0 ; i < args.length ; i++) {
 switch (args[i]) {
 case "-o":
 case "--output":
 checkOneMoreArg(i, args.length);
 outFileName = args[++i];
+opsOptionsUsed = true;
 break;
 case "-p":
 case "--project":
 checkOneMoreArg(i, args.length);
 inFileName = args[++i];
+opsOptionsUsed = true;
 break;
 case "-t":
 case "--template":
 checkOneMoreArg(i, args.length);
 tplFileName = args[++i];
+opsOptionsUsed = true;
+break;
+case "--init":
+doInit = true;
+break;
+case "--update":
+doInit = true;
+forceInit = true;
 break;
 case "--help":
 case "-h":
 printUsage();
 System.exit(0);
 printUsage();
 System.exit(1);
 }
 }
+if (opsOptionsUsed && doInit) {
+System.err.println("Cannot use --init or --update with other options.");
+abort();
+}
+if (doInit) {
+init(forceInit);
+}
 System.out.println("In:  " + inFileName);
 System.out.println("Tpl: " + tplFileName);
 try (var out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outFileName)))) {
 writeConfigureScript(out, tplFileName, loadProjectFile(inFileName));
-} catch (Exception ex) {
+} catch (Throwable t) {
-LoggerFactory.getLogger(Main.class).error(
+System.err.printf("Unexpected error: %s\n", t.getMessage());
-"Uncaught Exception",
+abort();
-ex
-);
 }
 System.out.println("Out: " + outFileName);
+try {
+Files.setPosixFilePermissions(Path.of(outFileName), PosixFilePermissions.fromString("rwxr-xr-x"));
+} catch (Throwable t) {
+System.err.printf("WARN: Setting file permissions failed: %s\n", t.getMessage());
+}
 }
 }

Mercurial > hg > uwproj / file comparison

comparison: src/main/java/de/unixwork/uwproj/Main.java

src/main/java/de/unixwork/uwproj/Main.java