Example usage for org.apache.commons.configuration EnvironmentConfiguration getKeys

Introduction

In this page you can find the example usage for org.apache.commons.configuration EnvironmentConfiguration getKeys.

Prototype

public Iterator getKeys() 

Source Link

Usage

From source file:cz.mzk.editor.server.config.EditorConfigurationImpl.java

public EditorConfigurationImpl() {
    File dir = new File(WORKING_DIR);
    if (!dir.exists()) {
        boolean mkdirs = dir.mkdirs();
        if (!mkdirs) {
            LOGGER.error("cannot create directory '" + dir.getAbsolutePath() + "'");
            throw new RuntimeException("cannot create directory '" + dir.getAbsolutePath() + "'");
        }/*  w ww. ja  va 2  s .  c  om*/
    }
    File confFile = new File(CONFIGURATION);
    if (!confFile.exists()) {
        try {
            confFile.createNewFile();
        } catch (IOException e) {
            LOGGER.error("cannot create configuration file '" + confFile.getAbsolutePath() + "'", e);
            throw new RuntimeException("cannot create configuration file '" + confFile.getAbsolutePath() + "'");
        }
        FileOutputStream confFos;
        try {
            confFos = new FileOutputStream(confFile);
        } catch (FileNotFoundException e) {
            LOGGER.error("cannot create configuration file '" + confFile.getAbsolutePath() + "'", e);
            throw new RuntimeException("cannot create configuration file '" + confFile.getAbsolutePath() + "'");
        }
        try {
            try {
                new Properties().store(confFos, "configuration file for module metadata editor");
            } catch (IOException e) {
                LOGGER.error("cannot create configuration file '" + confFile.getAbsolutePath() + "'", e);
                throw new RuntimeException(
                        "cannot create configuration file '" + confFile.getAbsolutePath() + "'");
            }
        } finally {
            try {
                if (confFos != null)
                    confFos.close();
            } catch (IOException e) {
                LOGGER.error("cannot create configuration file '" + confFile.getAbsolutePath() + "'", e);
                throw new RuntimeException(
                        "cannot create configuration file '" + confFile.getAbsolutePath() + "'");
            } finally {
                confFos = null;
            }
        }
    }

    CompositeConfiguration constconf = new CompositeConfiguration();
    PropertiesConfiguration file = null;
    try {
        file = new PropertiesConfiguration(confFile);
    } catch (ConfigurationException e) {
        LOGGER.error(e.getMessage(), e);
        new RuntimeException("cannot read configuration");
    }
    file.setReloadingStrategy(new FileChangedReloadingStrategy());
    constconf.addConfiguration(file);
    constconf.setProperty(ServerConstants.EDITOR_HOME, WORKING_DIR);
    this.configuration = constconf;

    String hostname = configuration.getString(EditorClientConfiguration.Constants.HOSTNAME, "editor.mzk.cz");
    if (hostname.contains("://")) {
        hostname = hostname.substring(hostname.indexOf("://") + "://".length());
    }
    File imagesDir = new File(ServerConstants.DEFAULT_IMAGES_LOCATION + hostname + File.separator);
    if (!imagesDir.exists()) {
        boolean mkdirs = imagesDir.mkdirs();
        if (!mkdirs) {
            LOGGER.error("cannot create directory '" + imagesDir.getAbsolutePath() + "'");
            throw new RuntimeException("cannot create directory '" + imagesDir.getAbsolutePath() + "'");
        }
    }
    constconf.setProperty(ServerConstants.IMAGES_LOCATION,
            ServerConstants.DEFAULT_IMAGES_LOCATION + hostname + File.separator);
    EnvironmentConfiguration environmentConfiguration = new EnvironmentConfiguration();
    for (Iterator it = environmentConfiguration.getKeys(); it.hasNext();) {
        String key = (String) it.next();
        Object value = environmentConfiguration.getProperty(key);
        key = key.replaceAll("_", ".");
        key = key.replaceAll("\\.\\.", "__");
        constconf.addProperty(key, value);
    }
}

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