Examples of org.apache.commons.configuration2.PropertiesConfiguration$DefaultIOFactory

Package org.apache.commons.configuration2

Examples of org.apache.commons.configuration2.PropertiesConfiguration$DefaultIOFactory

org.apache.commons.configuration2.PropertiesConfiguration

A default implementation of the {@code IOFactory} interface.

This class implements the {@code createXXXX()} methods defined bythe {@code IOFactory} interface in a way that the default objects(i.e. {@code PropertiesReader} and {@code PropertiesWriter} arereturned. Customizing either the reader or the writer (or both) can be done by extending this class and overriding the corresponding {@code createXXXX()} method.
@since 1.7

        FileBasedConfigurationBuilder<PropertiesConfiguration> builder =
                new FileBasedConfigurationBuilder<PropertiesConfiguration>(
                        PropertiesConfiguration.class)
                        .configure(new FileBasedBuilderParametersImpl()
                                .setFile(file));
        PropertiesConfiguration config = builder.getConfiguration();
        builder.resetResult();
        PropertiesConfiguration config2 = builder.getConfiguration();
        assertNotSame("Same configuration", config, config2);
        assertEquals("Not read from file", 1, config2.getInt(PROP));
    }

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                        .configure(new FileBasedBuilderParametersImpl()
                                .setFile(file1));
        builder.getConfiguration();
        builder.getFileHandler().setFile(file2);
        builder.resetResult();
        PropertiesConfiguration config = builder.getConfiguration();
        assertEquals("Not read from file 2", 2, config.getInt(PROP));
    }

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                        PropertiesConfiguration.class)
                        .configure(new FileBasedBuilderParametersImpl()
                                .setFile(file));
        builder.getConfiguration();
        builder.reset();
        PropertiesConfiguration config = builder.getConfiguration();
        assertTrue("Configuration was read from file", config.isEmpty());
        assertFalse("FileHandler has location", builder.getFileHandler()
                .isLocationDefined());
    }

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                                .setFile(file1));
        builder.getConfiguration();
        builder.getFileHandler().setFile(file2);
        builder.reset();
        builder.configure(new FileBasedBuilderParametersImpl().setFile(file1));
        PropertiesConfiguration config = builder.getConfiguration();
        assertEquals("Not read from file 1", 1, config.getInt(PROP));
        builder.getFileHandler().setFile(file2);
        builder.resetResult();
        config = builder.getConfiguration();
        assertEquals("Not read from file 2", 2, config.getInt(PROP));
    }

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        File file = createTestFile(1);
        FileBasedConfigurationBuilder<PropertiesConfiguration> builder =
                new FileBasedConfigurationBuilder<PropertiesConfiguration>(
                        PropertiesConfiguration.class);
        builder.getFileHandler().setFile(file);
        PropertiesConfiguration config = builder.getConfiguration();
        assertFalse("No data was loaded", config.isEmpty());
    }

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     * @throws ConfigurationException if an error occurs
     */
    private static void checkSavedConfig(File file, int expValue)
            throws ConfigurationException
    {
        PropertiesConfiguration config = new PropertiesConfiguration();
        FileHandler handler = new FileHandler(config);
        handler.load(file);
        assertEquals("Configuration was not saved", expValue,
                config.getInt(PROP));
    }

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        FileBasedConfigurationBuilder<PropertiesConfiguration> builder =
                new FileBasedConfigurationBuilder<PropertiesConfiguration>(
                        PropertiesConfiguration.class)
                        .configure(new FileBasedBuilderParametersImpl()
                                .setFile(file));
        PropertiesConfiguration config = builder.getConfiguration();
        config.setProperty(PROP, 5);
        builder.save();
        checkSavedConfig(file, 5);
    }

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    public void testSaveNewFile() throws ConfigurationException, IOException
    {
        FileBasedConfigurationBuilder<PropertiesConfiguration> builder =
                new FileBasedConfigurationBuilder<PropertiesConfiguration>(
                        PropertiesConfiguration.class);
        PropertiesConfiguration config = builder.getConfiguration();
        config.setProperty(PROP, 2);
        File file = folder.newFile();
        builder.getFileHandler().setFile(file);
        builder.save();
        checkSavedConfig(file, 2);
    }

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                                .setFile(file));
        assertFalse("Wrong auto save flag", builder.isAutoSave());
        builder.setAutoSave(true);
        assertTrue("Auto save not enabled", builder.isAutoSave());
        builder.setAutoSave(true); // should have no effect
        PropertiesConfiguration config = builder.getConfiguration();
        config.setProperty(PROP, 1);
        checkSavedConfig(file, 1);
    }

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        FileBasedConfigurationBuilder<PropertiesConfiguration> builder =
                new FileBasedConfigurationBuilder<PropertiesConfiguration>(
                        PropertiesConfiguration.class)
                        .configure(new FileBasedBuilderParametersImpl()
                                .setFile(file));
        PropertiesConfiguration config1 = builder.getConfiguration();
        builder.setAutoSave(true);
        builder.resetResult();
        PropertiesConfiguration config2 = builder.getConfiguration();
        assertNotSame("No new configuration created", config1, config2);
        config2.setProperty(PROP, 1);
        config1.setProperty(PROP, 2);
        checkSavedConfig(file, 1);
    }

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