private static boolean exportJarExecution()

in jdtls.ext/com.microsoft.jdtls.ext.core/src/com/microsoft/jdtls/ext/core/ProjectCommand.java [162:206]
45 lines of code
10 McCabe index (conditional complexity)

    private static boolean exportJarExecution(String mainClass, Classpath[] classpaths, String destination,
            String terminalId, IProgressMonitor monitor) throws OperationCanceledException {
        Manifest manifest = new Manifest();
        manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
        if (mainClass.length() > 0) {
            manifest.getMainAttributes().put(Attributes.Name.MAIN_CLASS, mainClass);
        }
        try (JarOutputStream target = new JarOutputStream(new FileOutputStream(destination), manifest)) {
            Set<String> directories = new HashSet<>();
            for (Classpath classpath : classpaths) {
                if (monitor.isCanceled()) {
                    return false;
                }
                if (classpath.isArtifact) {
                    MultiStatus resultStatus = writeArchive(new ZipFile(classpath.source),
                        /* areDirectoryEntriesIncluded = */true, /* isCompressed = */true, target, directories, monitor);
                    int severity = resultStatus.getSeverity();
                    if (severity == IStatus.OK) {
                        java.nio.file.Path path = java.nio.file.Paths.get(classpath.source);
                        reportExportJarMessage(terminalId, IStatus.OK, "Successfully extracted the file to the exported jar: " + path.getFileName().toString());
                        continue;
                    }
                    if (resultStatus.isMultiStatus()) {
                        for (IStatus childStatus : resultStatus.getChildren()) {
                            reportExportJarMessage(terminalId, severity, childStatus.getMessage());
                        }
                    } else {
                        reportExportJarMessage(terminalId, severity, resultStatus.getMessage());
                    }
                } else {
                    try {
                        writeFile(new File(classpath.source), new Path(classpath.destination), /* areDirectoryEntriesIncluded = */true,
                            /* isCompressed = */true, target, directories);
                        reportExportJarMessage(terminalId, IStatus.OK, "Successfully added the file to the exported jar: " + classpath.destination);
                    } catch (CoreException e) {
                        reportExportJarMessage(terminalId, IStatus.ERROR, e.getMessage());
                    }
                }
            }
        } catch (IOException e) {
            reportExportJarMessage(terminalId, IStatus.ERROR, e.getMessage());
            return false;
        }
        return true;
    }