Example usage for org.apache.commons.configuration2 Configuration clear

Introduction

In this page you can find the example usage for org.apache.commons.configuration2 Configuration clear.

Prototype

void clear();

Source Link

Document

Remove all properties from the configuration.

Usage

From source file:org.mitre.mpf.wfm.util.TestPropertiesUtil.java

@Test
public void testBuilderSave() throws ConfigurationException, IOException {
    ImmutableConfiguration mpfPropertiesconfig = mpfPropertiesConfigurationBuilder.getCompleteConfiguration();

    List<PropertyModel> newCustomPropertyModels = new ArrayList<>();
    newCustomPropertyModels.add(new PropertyModel(FRAME_INTERVAL_KEY, "4", false));
    newCustomPropertyModels.add(new PropertyModel(MODELS_DIR_KEY, "${" + SHARE_PATH_KEY + "}/new/dir/", false));
    newCustomPropertyModels.add(new PropertyModel(TIMEOUT_KEY, "60", false));

    ImmutableConfiguration newMpfPropertiesConfig = mpfPropertiesConfigurationBuilder
            .setAndSaveCustomProperties(newCustomPropertyModels);

    String mpfHome = System.getenv(MPF_HOME_ENV_VAR);
    Assert.assertNotNull(mpfHome);/*from w  w  w  . ja v a  2s.  com*/

    // ensure that current config isn't modified
    Assert.assertEquals(1, mpfPropertiesconfig.getInt(FRAME_INTERVAL_KEY));
    Assert.assertEquals(mpfHome + "/share/models/", mpfPropertiesconfig.getString(MODELS_DIR_KEY));
    Assert.assertEquals(30, mpfPropertiesconfig.getInt(TIMEOUT_KEY));

    // get updated config
    mpfPropertiesconfig = newMpfPropertiesConfig; // mpfPropertiesConfigurationBuilder.getConfiguration();

    // ensure detection value sticks
    Assert.assertEquals(4, mpfPropertiesconfig.getInt(FRAME_INTERVAL_KEY));

    // ensure that interpolation is performed on recently-set values
    Assert.assertEquals(mpfHome + "/share/new/dir/", mpfPropertiesconfig.getString(MODELS_DIR_KEY));

    // ensure non-detection value doesn't stick
    Assert.assertEquals(30, mpfPropertiesconfig.getInt(TIMEOUT_KEY));

    // ensure all values written to disk
    Configurations configs = new Configurations();

    FileBasedConfigurationBuilder<PropertiesConfiguration> mpfCustomPropertiesConfigBuilder = configs
            .propertiesBuilder(customPropFile.getURL());
    Configuration mpfCustomPropertiesConfig = mpfCustomPropertiesConfigBuilder.getConfiguration();

    Assert.assertEquals(4, mpfCustomPropertiesConfig.getInt(FRAME_INTERVAL_KEY));
    Assert.assertEquals("${" + SHARE_PATH_KEY + "}/new/dir/",
            mpfCustomPropertiesConfig.getString(MODELS_DIR_KEY));
    Assert.assertEquals(60, mpfCustomPropertiesConfig.getInt(TIMEOUT_KEY));

    // reset
    mpfCustomPropertiesConfig.clear();
    mpfCustomPropertiesConfigBuilder.save();
}

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