Examples of org.apache.commons.configuration.AbstractConfiguration

Package org.apache.commons.configuration

Examples of org.apache.commons.configuration.AbstractConfiguration

org.apache.commons.configuration.AbstractConfiguration
Abstract configuration class. Provides basic functionality but does not store any data.

If you want to write your own Configuration class then you should implement only abstract methods from this class. A lot of functionality needed by typical implementations of the Configuration interface is already provided by this base class. Following is a list of features implemented here:
- Data conversion support. The various data types required by the Configuration interface are already handled by this base class. A concrete sub class only needs to provide a generic getProperty() method.
- Support for variable interpolation. Property values containing special variable tokens (like ${var}) will be replaced by their corresponding values.
- Support for string lists. The values of properties to be added to this configuration are checked whether they contain a list delimiter character. If this is the case and if list splitting is enabled, the string is split and multiple values are added for this property. (With the setListDelimiter() method the delimiter character can be specified; per default a comma is used. The setDelimiterParsingDisabled() method can be used to disable list splitting completely.)
- Allows to specify how missing properties are treated. Per default the get methods returning an object will return null if the searched property key is not found (and no default value is provided). With the setThrowExceptionOnMissing() method this behavior can be changed to throw an exception when a requested property cannot be found.
- Basic event support. Whenever this configuration is modified registered event listeners are notified. Refer to the various EVENT_XXX constants to get an impression about which event types are supported.
@author Konstantin Shaposhnikov @author Oliver Heger @author Henning P. Schmiedehausen @version $Id: AbstractConfiguration.java 730776 2009-01-02 16:37:12Z oheger $

    public static DynamicPropertyFactory initWithConfigurationSource(DynamicPropertySupport dynamicPropertySupport) {
        synchronized (ConfigurationManager.class) {
            if (dynamicPropertySupport == null) {
                throw new IllegalArgumentException("dynamicPropertySupport is null");
            }
            AbstractConfiguration configuration = null;
            if (dynamicPropertySupport instanceof AbstractConfiguration) {
                configuration = (AbstractConfiguration) dynamicPropertySupport;
            } else if (dynamicPropertySupport instanceof ConfigurationBackedDynamicPropertySupportImpl) {
                configuration = ((ConfigurationBackedDynamicPropertySupportImpl) dynamicPropertySupport).getConfiguration();
            }

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     */
    public static DynamicPropertyFactory getInstance() {
        if (config == null) {
            synchronized (ConfigurationManager.class) {
                if (config == null) {
                    AbstractConfiguration configFromManager = ConfigurationManager.getConfigInstance();
                    if (configFromManager != null) {
                        initWithConfigurationSource(configFromManager);
                        initializedWithDefaultConfig = !ConfigurationManager.isConfigurationInstalled();
                        logger.info("DynamicPropertyFactory is initialized with configuration sources: " + configFromManager);
                    }

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        }
        return props;
    }
    
    public static void loadAppOverrideProperties(String appConfigName) throws IOException {
        AbstractConfiguration config = getConfigInstance();
        Properties props = loadCascadedProperties(appConfigName);
        if (config instanceof AggregatedConfiguration) {
            AggregatedConfiguration aggregated = (AggregatedConfiguration) config;
            Configuration appConfig = aggregated.getConfiguration(APPLICATION_PROPERTIES);
            if (appConfig != null) {

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        }
    };
    
    public ConfigurationBasedDeploymentContext() {
        super();
        AbstractConfiguration config = ConfigurationManager.getConfigInstance();
        if (config != null) {
            String contextValue = getValueFromConfig(DEPLOYMENT_APPLICATION_ID_PROPERTY);
            if (contextValue != null) {
                setApplicationId(contextValue);
            }
            contextValue = getValueFromConfig(DEPLOYMENT_DATACENTER_PROPERTY);
            if (contextValue != null) {
                setDeploymentDatacenter(contextValue);
            }
            contextValue = getValueFromConfig(DEPLOYMENT_ENVIRONMENT_PROPERTY);
            if (contextValue != null) {
                setDeploymentEnvironment(contextValue);
            }
            contextValue = getValueFromConfig(DEPLOYMENT_REGION_PROPERTY);
            if (contextValue != null) {
                setDeploymentRegion(contextValue);
            }
            contextValue = getValueFromConfig(DEPLOYMENT_STACK_PROPERTY);
            if (contextValue != null) {
                setDeploymentStack(contextValue);
            }    
            contextValue = getValueFromConfig(DEPLOYMENT_SERVER_ID_PROPERTY);
            if (contextValue != null) {
                setDeploymentStack(contextValue);
            }    
            config.addConfigurationListener(configListener);
        }
    }

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            throw new IllegalArgumentException("Can't remove container configuration");
        }
    }
    
    public AbstractConfiguration removeConfigurationAt(int index) {
        AbstractConfiguration config = configList.remove(index);
        String nameFound = getNameForConfiguration(config);
        if (nameFound != null) {
            namedConfigurations.remove(nameFound);
        }
        return config;

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    // Step 1.
    // Create a Source of Configuration
    // Here we use a simple ConcurrentMapConfiguration
    // You can use your own, or use of the pre built ones including JDBCConfigurationSource
    // which lets you load properties from any RDBMS
    AbstractConfiguration myConfiguration = new ConcurrentMapConfiguration();
    myConfiguration.setProperty("com.netflix.config.samples.sampleapp.prop1", "value1");
    myConfiguration.setProperty(
        "com.netflix.config.samples.SampleApp.SampleBean.name",
        "A Coffee Bean from Gautemala");


    // STEP 2: Optional. Dynamic Runtime property change option
    // We would like to utilize the benefits of obtaining dynamic property

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        this.archaiusPropertyRegister = archaiusPropertyRegister;
    }


    public void register() {
        archaiusPropertyRegister.register(breakerboxConfiguration);
        final AbstractConfiguration configInstance = ConfigurationManager.getConfigInstance();
        for (Map.Entry<TenacityPropertyKey, TenacityConfiguration> entry : configurations.entrySet()) {
            registerConfiguration(entry.getKey(), entry.getValue(), configInstance);
        }
    }

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        }        
    }
    
    public static Properties getPropertiesFromFile(URL startingUrl, Set<String> loaded, String... nextLoadKeys) 
            throws FileNotFoundException {
        AbstractConfiguration config = getConfigFromPropertiesFile(startingUrl, loaded, nextLoadKeys);
        return getProperties(config);
    }

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  void addConfiguration(CombinedConfiguration combinedConfiguration,
      final Configuration configuration) {
    if (configuration instanceof AbstractConfiguration) {
      combinedConfiguration.addConfiguration((AbstractConfiguration) configuration);
    } else {
      combinedConfiguration.addConfiguration(new AbstractConfiguration() {


        public boolean isEmpty() {
          return configuration.isEmpty();
        }

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    private AdminResourcesContainer container;


    @After
    public void tearDown() throws Exception {
        final AbstractConfiguration configInst = ConfigurationManager.getConfigInstance();
        configInst.clearProperty(AdminResourcesContainer.CONTAINER_LISTEN_PORT);
        container.shutdown();
    }

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com.netflix.config.ConcurrentCompositeConfiguration

com.netflix.config.ConcurrentCompositeConfigurationTest

com.netflix.config.ConfigurationBasedDeploymentContext

com.netflix.config.ConfigurationManager

com.netflix.config.ConfigurationManagerInitFactoryTest

com.netflix.config.DynamicFileConfigurationTest

com.netflix.config.DynamicPropertyFactory

com.netflix.config.DynamicPropertyUpdaterTest

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