Example usage for org.apache.commons.configuration PropertiesConfiguration load

Introduction

In this page you can find the example usage for org.apache.commons.configuration PropertiesConfiguration load.

Prototype

public void load(InputStream in, String encoding) throws ConfigurationException 

Source Link

Document

Load the configuration from the specified stream, using the specified encoding.

Usage

From source file:com.github.anba.es6draft.util.Resources.java

/**
 * Loads the configuration file./*from  w w w  .  java 2 s .co m*/
 */
public static Configuration loadConfiguration(Class<?> clazz) {
    TestConfiguration config = clazz.getAnnotation(TestConfiguration.class);
    String file = config.file();
    String name = config.name();
    try {
        PropertiesConfiguration properties = new PropertiesConfiguration();
        // entries are mandatory unless an explicit default value was given
        properties.setThrowExceptionOnMissing(true);
        properties.getInterpolator().setParentInterpolator(MISSING_VAR);
        properties.load(resource(file), "UTF-8");

        Configuration configuration = new CompositeConfiguration(
                Arrays.asList(new SystemConfiguration(), properties));
        return configuration.subset(name);
    } catch (ConfigurationException | IOException e) {
        throw new RuntimeException(e);
    } catch (NoSuchElementException e) {
        throw e;
    }
}

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From source file:com.github.zdsiyan.maven.plugin.smartconfig.internal.PropertyConfigurator.java

@Override
public ByteArrayOutputStream execute(InputStream in, Charset charset, List<PointHandle> pointhandles)
        throws IOException {
    try {/*from w ww .  j av  a  2s  .  com*/
        PropertiesConfiguration configuration = new PropertiesConfiguration();
        configuration.load(in, charset.name());

        pointhandles.forEach(point -> {
            switch (point.getMode()) {
            case insert:
                configuration.addProperty(point.getExpression(), point.getValue());
                break;
            case delete:
                configuration.setProperty(point.getExpression(), "");
                break;
            case replace:
            default:
                configuration.setProperty(point.getExpression(), point.getValue());
                break;
            }
        });

        // output
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        configuration.save(out, charset.name());
        return out;
    } catch (ConfigurationException ex) {
        // FIXME
        throw new RuntimeException(ex);
    }
}

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