Examples with ExitException dev.jbang.cli.ExitException used on opensource projects

Example 1 with ExitException

use of dev.jbang.cli.ExitException in project jbang by jbangdev.

the class Util method explode.

/**
 * Explodes filepattern found in baseDir returnin list of relative Path names.
 *
 * TODO: this really should return some kind of abstraction of paths that allow
 * it be portable for urls as wells as files...or have a filesystem for each...
 *
 * @param source
 * @param baseDir
 * @param filepattern
 * @return
 */
public static List<String> explode(String source, Path baseDir, String filepattern) {
    List<String> results = new ArrayList<>();
    if (source != null && Util.isURL(source)) {
        // TODO: technically this is really where it should get resolved!
        if (isPattern(filepattern)) {
            Util.warnMsg("Pattern " + filepattern + " used while using URL to run; this could result in errors.");
            return results;
        } else {
            results.add(filepattern);
        }
    } else if (Util.isURL(filepattern)) {
        results.add(filepattern);
    } else if (!filepattern.contains("?") && !filepattern.contains("*")) {
        // not a pattern thus just as well return path directly
        results.add(filepattern);
    } else {
        // it is a non-url letls try locate it
        PathMatcher matcher = FileSystems.getDefault().getPathMatcher("glob:" + filepattern);
        FileVisitor<Path> matcherVisitor = new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attribs) {
                Path relpath = baseDir.relativize(file);
                if (matcher.matches(relpath)) {
                    // to avoid windows fail.
                    if (file.toFile().exists()) {
                        results.add(relpath.toString().replace("\\", "/"));
                    } else {
                        Util.verboseMsg("Warning: " + relpath + " matches but does not exist!");
                    }
                }
                return FileVisitResult.CONTINUE;
            }
        };
        try {
            Files.walkFileTree(baseDir, matcherVisitor);
        } catch (IOException e) {
            throw new ExitException(BaseCommand.EXIT_INTERNAL_ERROR, "Problem looking for " + filepattern + " in " + baseDir.toString(), e);
        }
    }
    return results;
}

Example 2 with ExitException

use of dev.jbang.cli.ExitException in project jbang by jbangdev.

the class RefTarget method copy.

public void copy(Path destroot) {
    Path from = source.getFile().toPath();
    Path to = to(destroot);
    Util.verboseMsg("Copying " + from + " to " + to);
    try {
        if (!to.toFile().getParentFile().exists()) {
            to.toFile().getParentFile().mkdirs();
        }
        Files.copy(from, to, StandardCopyOption.REPLACE_EXISTING);
    } catch (IOException ioe) {
        throw new ExitException(EXIT_UNEXPECTED_STATE, "Could not copy " + from + " to " + to, ioe);
    }
}

Example 3 with ExitException

use of dev.jbang.cli.ExitException in project jbang by jbangdev.

the class ClasspathResourceResolver method getClasspathResource.

private static ResourceRef getClasspathResource(String cpResource) {
    String ref = cpResource.substring(11);
    Util.verboseMsg("Duplicating classpath resource " + ref);
    ClassLoader cl = Thread.currentThread().getContextClassLoader();
    if (cl == null) {
        cl = ResourceRef.class.getClassLoader();
    }
    URL url = cl.getResource(ref);
    if (url == null) {
        throw new ExitException(BaseCommand.EXIT_INVALID_INPUT, "Resource not found on class path: " + ref);
    }
    try {
        File f = new File(url.toURI());
        if (f.canRead()) {
            return ResourceRef.forCachedResource(cpResource, f);
        }
    } catch (URISyntaxException | IllegalArgumentException e) {
    // Ignore
    }
    // We couldn't read the file directly from the class path so let's make a copy
    try (InputStream is = url.openStream()) {
        Path to = Util.getUrlCache(cpResource);
        Files.createDirectories(to.getParent());
        Files.copy(is, to, StandardCopyOption.REPLACE_EXISTING);
        return ResourceRef.forCachedResource(cpResource, to.toFile());
    } catch (IOException e) {
        throw new ExitException(BaseCommand.EXIT_GENERIC_ERROR, "Resource could not be copied from class path: " + ref, e);
    }
}

Example 4 with ExitException

use of dev.jbang.cli.ExitException in project jbang by jbangdev.

the class RemoteResourceResolver method fetchScriptFromUntrustedURL.

public static ResourceRef fetchScriptFromUntrustedURL(String scriptURL) {
    try {
        java.net.URI uri = new java.net.URI(scriptURL);
        if (!TrustedSources.instance().isURLTrusted(uri)) {
            String question = scriptURL + " is not from a trusted source thus not running it automatically.\n" + "\n" + "If you trust the url to be safe to run you can do one of the following";
            String trustUrl = goodTrustURL(scriptURL);
            String trustOrgUrl = orgURL(trustUrl);
            List<String> options = new ArrayList<>();
            options.add("Trust once: Add no trust, just run this time");
            options.add("Trust limited url in future: " + trustUrl);
            if (trustOrgUrl != null) {
                options.add("Trust organization url in future: " + trustOrgUrl);
            }
            int result = Util.askInput(question, 30, 0, options.toArray(new String[] {}));
            TrustedSources ts = TrustedSources.instance();
            if (result == 2) {
                ts.add(trustUrl, Settings.getTrustedSourcesFile().toFile());
            } else if (result == 3) {
                ts.add(trustOrgUrl, Settings.getTrustedSourcesFile().toFile());
            } else if (result <= 0) {
                String exmsg = scriptURL + " is not from a trusted source and user did not confirm trust thus aborting.\n" + "If you trust the url to be safe to run are here a few suggestions:\n" + "Limited trust:\n     jbang trust add " + trustUrl + "\n";
                if (trustOrgUrl != null) {
                    exmsg += "Organization trust:\n     jbang trust add " + trustOrgUrl + "\n";
                }
                exmsg += "Trust all subdomains:\n    jbang trust add *." + uri.getAuthority() + "\n" + "Trust all sources (WARNING! disables url protection):\n    jbang trust add *" + "\n" + "\nFor more control edit ~/.jbang/trusted-sources.json" + "\n";
                throw new ExitException(10, exmsg);
            }
        }
        scriptURL = swizzleURL(scriptURL);
        Path path = Util.swizzleContent(scriptURL, Util.downloadAndCacheFile(scriptURL));
        return ResourceRef.forCachedResource(scriptURL, path.toFile());
    } catch (IOException | URISyntaxException e) {
        throw new ExitException(BaseCommand.EXIT_INVALID_INPUT, "Could not download " + scriptURL, e);
    }
}

Example 5 with ExitException

use of dev.jbang.cli.ExitException in project jbang by jbangdev.

the class RemoteResourceResolver method fetchFromURL.

public static ResourceRef fetchFromURL(String scriptURL) {
    try {
        String url = swizzleURL(scriptURL);
        Path path = Util.downloadAndCacheFile(url);
        return ResourceRef.forCachedResource(scriptURL, path.toFile());
    } catch (IOException e) {
        throw new ExitException(BaseCommand.EXIT_INVALID_INPUT, "Could not download " + scriptURL, e);
    }
}