public File download()

in repository/service/src/main/java/org/apache/karaf/cave/repository/service/maven/MavenServlet.java [376:407]

30 lines of code
6 McCabe index (conditional complexity)


    public File download(String path) throws InvalidMavenArtifactRequest {
        if (path == null) {
            throw new InvalidMavenArtifactRequest();
        }

        Matcher artifactMatcher = ARTIFACT_REQUEST_URL_REGEX.matcher(path);
        Matcher metadataMatcher = ARTIFACT_METADATA_URL_REGEX.matcher(path);

        if (metadataMatcher.matches()) {
            LOGGER.info("Received request for maven metadata : {}", path);
            try {
                MavenCoord coord = convertMetadataPathToCoord(path);
                return resolver.resolveMetadata(coord.groupId, coord.artifactId, coord.type, coord.version);
            } catch (Exception e) {
                LOGGER.warn(String.format("Could not find metadata : %s due to %s", path, e.getMessage()), e);
                return null;
            }
        } else if (artifactMatcher.matches()) {
            LOGGER.info("Received request for maven artifact : {}", path);
            try {
                MavenCoord artifact = convertArtifactPathToCoord(path);
                Path download = resolver.resolve(artifact.groupId, artifact.artifactId, artifact.classifier, artifact.type, artifact.version).toPath();
                Path tmpFile = Files.createTempFile("mvn-", ".tmp");
                Files.copy(download, tmpFile, StandardCopyOption.REPLACE_EXISTING);
                return tmpFile.toFile();
            } catch (Exception e) {
                LOGGER.warn(String.format("Could not find artifact : %s due to %s", path, e.getMessage()), e);
                return null;
            }
        }
        return null;
    }