Example usage for org.apache.commons.configuration.tree UnionCombiner UnionCombiner

Introduction

In this page you can find the example usage for org.apache.commons.configuration.tree UnionCombiner UnionCombiner.

Prototype

UnionCombiner

Source Link

Usage

From source file:com.shanke.common.conf.CustomConfigurationBuilder.java

/**
 * Returns the configuration provided by this builder. If the boolean
 * parameter is <b>true</b>, the configuration definition file will be
 * loaded. It will then be parsed, and instances for the declared
 * configurations will be created.//  w  w w . j  a va2  s  .c  o m
 * 
 * @param load
 *            a flag whether the configuration definition file should be
 *            loaded; a value of <b>false</b> would make sense if the file
 *            has already been created or its content was manipulated using
 *            some of the property accessor methods
 * @return the configuration
 * @throws ConfigurationException
 *             if an error occurs
 */
public Configuration getConfiguration(boolean load) throws ConfigurationException {
    if (load) {
        load();
    }

    Configuration result = createResultConfiguration();
    constructedConfiguration = result;

    List overrides = configurationsAt(KEY_OVERRIDE1);
    overrides.addAll(configurationsAt(KEY_OVERRIDE2));
    initCombinedConfiguration(result, overrides, KEY_OVERRIDE_LIST);

    List additionals = configurationsAt(KEY_UNION);
    if (!additionals.isEmpty()) {
        CombinedConfiguration addConfig = new CombinedConfiguration(new UnionCombiner());
        result.addConfiguration(addConfig, ADDITIONAL_NAME);
        initCombinedConfiguration(addConfig, additionals, KEY_ADDITIONAL_LIST);
    }

    return result;
}

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From source file:org.ambraproject.configuration.ConfigurationStore.java

/**
 * Load/Reload the configuration from the factory config url.
 *
 * @param configURL URL to the config file for ConfigurationFactory
 * @throws ConfigurationException when the config factory configuration has an error
 *//*from   w w w . j ava2  s .c  om*/
public void loadConfiguration(URL configURL) throws ConfigurationException {
    root = new CombinedConfiguration(new OverrideCombiner());

    // System properties override everything
    root.addConfiguration(new SystemConfiguration());

    // Load from ambra.configuration -- /etc/... (optional)
    if (configURL != null) {
        try {
            root.addConfiguration(getConfigurationFromUrl(configURL));
            log.info("Added URL '" + configURL + "'");
        } catch (ConfigurationException ce) {
            if (!(ce.getCause() instanceof FileNotFoundException))
                throw ce;
            log.info("Unable to open '" + configURL + "'");
        }
    }

    // Add ambra.configuration.overrides (if defined)
    String overrides = System.getProperty(OVERRIDES_URL);
    if (overrides != null) {
        try {
            root.addConfiguration(getConfigurationFromUrl(new URL(overrides)));
            log.info("Added override URL '" + overrides + "'");
        } catch (MalformedURLException mue) {
            // Must not be a URL, so it must be a resource
            addResources(root, overrides);
        }
    }

    CombinedConfiguration defaults = new CombinedConfiguration(new UnionCombiner());
    // Add defaults.xml from classpath
    addResources(defaults, DEFAULTS_RESOURCE);
    // Add journal.xml from journals/journal-name/configuration/journal.xml
    addJournalResources(root, defaults, JOURNAL_DIRECTORY);
    root.addConfiguration(defaults);

    // Add global-defaults.xml (presumably found in this jar)
    addResources(root, GLOBAL_DEFAULTS_RESOURCE);

    if (log.isDebugEnabled())
        log.debug("Configuration dump: " + System.getProperty("line.separator")
                + ConfigurationUtils.toString(root));

    /**
     * This prefix is needed by the AmbraIdGenerator to create prefixes for object IDs.
     * Because of the way the AmbraIdGenerator class is created by hibernate, passing in values
     * is very difficult.  If a better method is discovered... by all means use that.  Until that time
     * I've created a system level property to store this prefix.
     */
    String objectIDPrefix = root.getString("ambra.platform.guid-prefix");

    if (objectIDPrefix == null) {
        throw new RuntimeException(
                "ambra.platform.guid-prefix node is not found in the defined configuration file.");
    }

    System.setProperty(SYSTEM_OBJECT_ID_PREFIX, objectIDPrefix);
}

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From source file:org.ssh.comm.conf.CustomConfigurationBuilder.java

/**
 * Creates the {@code Configuration} for the configuration sources in the
 * <code>&lt;additional&gt;</code> section. This method is called when the
 * builder constructs the final configuration. It creates a new
 * {@code Configuration} and initializes some properties from the result
 * configuration./*from www . j  a va 2  s.c  om*/
 * 
 * @param resultConfig
 *            the result configuration (this is the configuration that will
 *            be returned by the builder)
 * @return the {@code Configuration} for the additional configuration
 *         sources
 * @since 1.7
 */
protected Configuration createAdditionalsConfiguration(Configuration resultConfig) {
    Configuration addConfig = new Configuration(new UnionCombiner());
    addConfig.setDelimiterParsingDisabled(resultConfig.isDelimiterParsingDisabled());
    addConfig.setForceReloadCheck(resultConfig.isForceReloadCheck());
    addConfig.setIgnoreReloadExceptions(resultConfig.isIgnoreReloadExceptions());
    return addConfig;
}

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From source file:org.ssh.test.conf.IConfigurationBuilder.java

/**
 * Creates the {@code Configuration} for the configuration sources in the
 * <code>&lt;additional&gt;</code> section. This method is called when the
 * builder constructs the final configuration. It creates a new
 * {@code Configuration} and initializes some properties from the result
 * configuration./*from   w w w  .j  a  va2  s .c o  m*/
 * 
 * @param resultConfig
 *            the result configuration (this is the configuration that will
 *            be returned by the builder)
 * @return the {@code Configuration} for the additional configuration
 *         sources
 * @since 1.7
 */
protected IConfiguration createAdditionalsConfiguration(IConfiguration resultConfig) {
    IConfiguration addConfig = new IConfiguration(new UnionCombiner());
    addConfig.setDelimiterParsingDisabled(resultConfig.isDelimiterParsingDisabled());
    addConfig.setForceReloadCheck(resultConfig.isForceReloadCheck());
    addConfig.setIgnoreReloadExceptions(resultConfig.isIgnoreReloadExceptions());
    return addConfig;
}

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