private void buildRuntimeProperties()

in plugins/org.apache.karaf.eik.ui/src/main/java/org/apache/karaf/eik/ui/project/KarafProjectBuilder.java [190:230]
33 lines of code
6 McCabe index (conditional complexity)

    private void buildRuntimeProperties(final IProgressMonitor monitor) throws CoreException {
        final String karafHome = getKarafPlatformModel().getRootDirectory().toOSString();

        final Properties combinedProperties = new Properties();
        combinedProperties.put("karaf.home", karafHome);
        combinedProperties.put("karaf.base", karafHome);
        combinedProperties.put("karaf.data", getKarafPlatformModel().getRootDirectory().append("data").toOSString());
        // Add ref to karaf.etc for karaf-3.0.0
        combinedProperties.put("karaf.etc", getKarafPlatformModel().getRootDirectory().append("etc").toOSString());

        for (final String filename : new String[]{"config.properties", "system.properties", "users.properties"}) {
            final Properties fileProperties = KarafCorePluginUtils.loadProperties(getKarafPlatformModel().getConfigurationDirectory().toFile(), filename, true);
            combinedProperties.putAll(fileProperties);
        }

        PropertyUtils.interpolateVariables(combinedProperties, combinedProperties);

        final IFolder runtimeFolder = getKarafProject().getFolder("runtime");
        if (!runtimeFolder.exists()) {
            runtimeFolder.create(true, true, monitor);
        }

        final IPath runtimeProperties = runtimeFolder.getRawLocation().append("runtime").addFileExtension("properties");

        FileOutputStream out = null;
        try {
            out = new FileOutputStream(runtimeProperties.toFile());
            combinedProperties.store(out, "Combined interpolated runtime properties");
        } catch (final IOException e) {
            throw new CoreException(
                    new Status(IStatus.ERROR, KarafUIPluginActivator.PLUGIN_ID, "Unable to build runtime property file", e));
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
            } catch (IOException ioException) {
                // ignore
            }
        }
    }