private Map getSubPackages()

in src/main/java/org/apache/jackrabbit/filevault/maven/packaging/mojo/GenerateMetadataMojo.java [1075:1148]
65 lines of code
13 McCabe index (conditional complexity)

    private Map<String, File> getSubPackages() throws MojoFailureException, ConfigurationException {
        final String propsRelPath = Constants.META_DIR + "/" + Constants.PROPERTIES_XML;
        Map<String, File> fileMap = new HashMap<>();
        for (SubPackage pack : subPackages) {
            final Collection<Artifact> artifacts = pack.getMatchingArtifacts(project);
            if (artifacts.isEmpty()) {
                getLog().warn("No matching artifacts for sub package " + pack);
                continue;
            }

            // get the package path
            getLog().info("Embedding subpackage --- " + pack + " ---");
            for (Artifact artifact : artifacts) {
                final Properties props = new Properties();

                final File source = artifact.getFile();
                if (source.isDirectory()) {
                    File otherWorkDirectory = null;
                    final MavenProject otherProject = findModuleForArtifact(artifact);
                    if (otherProject != null) {
                        final PluginDescriptor pluginDescriptor = (PluginDescriptor) this.getPluginContext().get("pluginDescriptor");
                        if (pluginDescriptor != null) {
                            Map<String, Object> otherContext = this.session.getPluginContext(pluginDescriptor, otherProject);
                            otherWorkDirectory = getArtifactWorkDirectoryLookup(otherContext).get(getModuleArtifactKey(artifact));
                        }
                    }

                    // if not identifiable as a filevault content-package dependency, assume a generic archive layout.
                    if (otherWorkDirectory == null) {
                        otherWorkDirectory = source; // points to "target/classes"
                    }

                    File propsXml = new File(otherWorkDirectory, propsRelPath);
                    if (!propsXml.exists()) {
                        // fallback to work dir (assuming the same folder name)
                        propsXml = new File(otherWorkDirectory.getParent(), getWorkDirectory(false).getName() + "/" + propsRelPath);
                    }
                    try (InputStream input = new FileInputStream(propsXml)) {
                        props.loadFromXML(input);
                    } catch (IOException e) {
                        throw new MojoFailureException("Could not read META-INF/vault/properties.xml from directory '" +
                                otherWorkDirectory + "' to extract metadata: " + e.getMessage(), e);
                    }
                } else {
                    // load properties
                    try (ZipFile zip = new ZipFile(source)) {
                        ZipEntry e = zip.getEntry(propsRelPath);
                        if (e == null) {
                            throw new IOException("Package does not contain 'META-INF/vault/properties.xml'");
                        }
                        try (InputStream in = zip.getInputStream(e)) {
                            props.loadFromXML(in);
                        }
                    } catch (IOException e) {
                        throw new MojoFailureException("Could not open subpackage '" + source + "' to extract metadata: " + e.getMessage(), e);
                    }
                }
                PackageId pid = new PackageId(
                        props.getProperty(PackageProperties.NAME_GROUP),
                        props.getProperty(PackageProperties.NAME_NAME),
                        props.getProperty(PackageProperties.NAME_VERSION)
                );
                final String targetNodePathName = pid.getInstallationPath() + ".zip";
                final String targetPathName = "jcr_root" + targetNodePathName;

                getLog().info(String.format("Embedding %s (from %s) -> %s", artifact.getId(), source.getAbsolutePath(), targetPathName));
                fileMap.put(targetPathName, source);
                if (pack.isFilter()) {
                    addEmbeddedFileToFilter(targetNodePathName, pack.isAllVersionsFilter());
                }
            }
        }
        return fileMap;
    }