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https://github.com/leberkleber/ljcm
Lightweight Java Configuration Management (Small, simple and lightweight java framework to manage configurations)
https://github.com/leberkleber/ljcm
configuration configuration-management java lightweight lightweight-java-framework small
Last synced: 3 days ago
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Lightweight Java Configuration Management (Small, simple and lightweight java framework to manage configurations)
- Host: GitHub
- URL: https://github.com/leberkleber/ljcm
- Owner: leberKleber
- License: apache-2.0
- Created: 2018-02-22T17:55:00.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2018-04-18T07:39:49.000Z (over 6 years ago)
- Last Synced: 2024-09-30T19:18:05.082Z (3 days ago)
- Topics: configuration, configuration-management, java, lightweight, lightweight-java-framework, small
- Language: Java
- Homepage:
- Size: 95.7 KB
- Stars: 5
- Watchers: 1
- Forks: 0
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
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# ljcm
**Lightweight Java Configuration Management**
Small, simple and lightweight java framework to manage configurations
## How to use
### 1) Include via Maven
```xml
io.github.leberkleber.ljcm
ljcm-minimal
1.0.1
```
### 2) Annotate Configuration-File
```java
public class Configuration {
@Configuration("my.config.key")
private String myConfig;
public String getMyConfig() {
return myConfig;
}
}
```
### 3) Configure ljcm
```java
public static void main(String[] args){
ConfigurationProcessor cp = new ConfigurationProcessorBuilder()
.addConfigurationParsers(Parser.getDefaultParser())
.setConfigurationLoader(
new HierarchicalLoader.Builder()
.addLoader(new EnvironmentVariableLoader())
.addLoader(new PropertiesFileLoader("classpath:/app.properties"))
.addLoader(new PropertiesFileLoader("/etc/myapp/app.properties"))
.build();
).build();
cp.process(Configuration.class);
}
```
## Configuration parser
### Default parser
The "ljcm-minimal-parser" contains a minial set of parsers:
- Boolean / boolean @BooleanParser
- Byte / byte @ByteParser
- Character[] / char[] @CharArrayParser
- Character / char @CharParser
- Double / double @DoubleParser
- Float / float @FloatParser
- Integer / int @IntParser
- Long / long @LongParser
- Short / short @ShortParser
- String @ StringParser
All "minimal-parser" can be loaded via:
```java
Parser.getDefaultParser()
```
### Custom parser
A custom parser must implement the "ConfigurationParser" interface.
## Configuration loader
### Default loader
The "ljcm-minimal-loader" contains a minial set of loaders:
- HierarchicalLoader
- EnvironmentVariableLoader
- PropertiesFileLoader
## Logging
ljcm uses jul. You can easy use a jul-bridge e.g.:
SLF4J:
```java
import java.util.logging.Logger;
import org.slf4j.bridge.SLF4JBridgeHandler;
SLF4JBridgeHandler.removeHandlersForRootLogger();
SLF4JBridgeHandler.install();
```