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Questions tagged [apache-commons-config]

The Commons Configuration software library provides a generic configuration interface which enables a Java application to read configuration data from a variety of sources.

The Apache Commons Configuration software library provides a generic configuration interface which enables a Java application to read configuration data from a variety of sources. Commons Configuration provides typed access to single, and multi-valued configuration parameters as demonstrated by the following code:

Double double = config.getDouble("number");
Integer integer = config.getInteger("number");

Configuration parameters may be loaded from the following sources:

  • Properties files
  • XML documents
  • Windows INI files
  • Property list files (plist)
  • JNDI
  • JDBC Datasource
  • System properties
  • Applet parameters
  • Servlet parameters

Different configuration sources can be mixed using a ConfigurationFactory and a CompositeConfiguration. Additional sources of configuration parameters can be created by using custom configuration objects. This customization can be achieved by extending AbstractConfiguration or AbstractFileConfiguration.

Official Website: http://commons.apache.org/configuration/

Useful Links:

146 questions
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addProperty including blanks with XMLConfiguration

I'm using the Apache Commons Configuration. How can I add a property (String with blanks) to the configuration that I only get one single property? config.addProperty("date", "08.05.2011, 15:20"); leads to two…
Thomas
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XMLConfiguration to String

I'm using the Apache Commons Configuration. How can I get directly a String of the XMLConfiguration without saving it to a file? Thank you very much.
Thomas
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Commons - Configuration CompositeConfiguration and Preferences

I am using CompositeConfiguration to read properties from multiple sources (like .propeties files, xml files, System properties etc) as below. ConfigurationFactory factory = new ConfigurationFactory("config.xml"); compConfig =…
Random
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FileBasedConfigurationBuilder from Apache Commons Configuration2 not writing the configuration file

I need to write a simple configuration file using apache-commons-configuration but no matter what I try, it's not writing anything to the file. This is how the file should look like bar This is what I'm doing to…
Magno Nascimento
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apache commons configuration2 :ConfigurationEvent is not generated for ReloadingFileBasedConfigurationBuilder

Using commons configuration2, i would like to be notified when a specific file based property changes. For that am using a ReloadingFileBasedConfigurationBuilder, PeriodicReloadingTrigger. As per the documentation, the builder should be used as a…
linkcrux
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dependency for Apache Commons Configuration2 declared as optional

I try to simple usage of simple Apache Commons Configuration2 loading configuration from a properties file. Here is my dependency: org.apache.commons …
Garret Wilson
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Direct way to convert org.apache.commons.configuration.Configuration to java.util.Properties

I am able to convert org.apache.commons.configuration.Configuration to java.util.Properties using: Properties props = new Properties(); Configuration config = new PropertiesConfiguration(fileName); Iterator iter = config.getKeys(); while…
Dev
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How to save xml configuration filled with values from properties file in Apache Commons Configuration can't save

I am trying to use Apache Commons Configuration in groovy script to read values from a simple properties file and fill an XML template with these values from that file. The goal of this example is to be able to launch multiple instances of Tomcat…
Alexey Terentiev
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PropertiesConfiguration doesn't want to reload

i would like to have my properties file to be reloaded every xx seconds. My code : ... configuration = new PropertiesConfiguration(); configuration.setFileName(filename); if (configuration.getFile().exists()) { configuration.load(); final…
Lempkin
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Create JSON configuration from string using Apache commons configuration

Is it possible to create a JSON configuration form a String in Apache commons configuration so that I can get some values from it? For example, if I'd have a String containing this configuration, I'd like to be able to convert it into an…
user1779715
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Apache commons config ignores outermost XML tag? Why? Am I doing something wrong?

Ok, I used to use apache commons config years ago a little, and have probably forgotten some things. I'm a little baffled by what's going on, and it seems counter-intuitive to me. So, here's my code: public static void main(String[] args) throws…
King_V
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Missing class: org.apache.commons.lang.exception.NestableException

I am following an online example to read information from a basic properties file. As I started to implement the code I keep getting the following error at the top of the class. The type org.apache.commons.lang.exception.NestableException cannot…
JME
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apache commons configuration: setting an xml namespace for the root element

When saving a configuration file, I need to specify the xmlns for the root element (by default ). The reason is, I validate (with a schema) upon loading the configuration file later. I can't seem to find how commons-configuration…
Miquel
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Singleton configuration class? concrete example

I have started reading the Apache commons documentation but its very extensive so I am hoping someone can answer a simple question so I don't need to read all of it just to start using it for basic configuration. I am losing patience really quick…
user1443778
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Can I provide my own variable interpolator for spring?

I've learnt that I can provide Spring with a element, which appears to use a PropertyPlaceholderConfigurer to interpolate variables (i.e. replace tokens like ${foo}) against a properties file. Is there a way to…
bacar
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