Examples of org.apache.commons.configuration2.XMLConfiguration

Package org.apache.commons.configuration2

Examples of org.apache.commons.configuration2.XMLConfiguration

org.apache.commons.configuration2.io.FileHandler
3.org/TR/REC-xml/#sec-white-space">XML specification. This will look as follows:
```
 <indent xml:space="preserve">    </indent> 
```
The value of the {@code indent} property will now contain the spaces.

{@code XMLConfiguration} implements the {@link FileBasedConfiguration}interface and thus can be used together with a file-based builder to load XML configuration files from various sources like files, URLs, or streams.

Like other {@code Configuration} implementations, this class uses a{@code Synchronizer} object to control concurrent access. By choosing asuitable implementation of the {@code Synchronizer} interface, an instancecan be made thread-safe or not. Note that access to most of the properties typically set through a builder is not protected by the {@code Synchronizer}. The intended usage is that these properties are set once at construction time through the builder and after that remain constant. If you wish to change such properties during life time of an instance, you have to use the {@code lock()} and {@code unlock()} methods manually to ensure that otherthreads see your changes.
@since commons-configuration 1.0 @author Jörg Schaible @version $Id: XMLConfiguration.java 1624601 2014-09-12 18:04:36Z oheger $

    {
        parent.addProperty("tablespaces.tablespace.name", "default");
        parent.addProperty("tablespaces.tablespace(-1).name", "test");
        parent.addProperty("tables.table(0).var", "${brackets:x}");


        ConfigurationInterpolator interpolator = parent.getInterpolator();
        interpolator.registerLookup("brackets", new Lookup() {


            public String lookup(String key) {
                return "(" + key + ")";
            }

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     * @param value the value to interpolate
     * @return the value with variables substituted
     */
    protected Object interpolate(Object value)
    {
        ConfigurationInterpolator ci = getInterpolator();
        return (ci != null) ? ci.interpolate(value) : value;
    }

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        boolean success;
        do
        {
            // do this in a loop because the ConfigurationInterpolator
            // instance may be changed by another thread
            ConfigurationInterpolator ciOld = getInterpolator();
            ConfigurationInterpolator ciNew =
                    (ciOld != null) ? ciOld : new ConfigurationInterpolator();
            ciNew.registerLookups(lookups);
            success = interpolator.compareAndSet(ciOld, ciNew);
        } while (!success);
    }

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    public void setDefaultLookups(Collection<? extends Lookup> lookups)
    {
        boolean success;
        do
        {
            ConfigurationInterpolator ciOld = getInterpolator();
            ConfigurationInterpolator ciNew =
                    (ciOld != null) ? ciOld : new ConfigurationInterpolator();
            Lookup confLookup = findConfigurationLookup(ciNew);
            if (confLookup == null)
            {
                confLookup = new ConfigurationLookup(this);
            }
            else
            {
                ciNew.removeDefaultLookup(confLookup);
            }
            ciNew.addDefaultLookups(lookups);
            ciNew.addDefaultLookup(confLookup);
            success = interpolator.compareAndSet(ciOld, ciNew);
        } while (!success);
    }

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    @Override
    public final void installInterpolator(
            Map<String, ? extends Lookup> prefixLookups,
            Collection<? extends Lookup> defLookups)
    {
        InterpolatorSpecification spec =
                new InterpolatorSpecification.Builder()
                        .withPrefixLookups(prefixLookups)
                        .withDefaultLookups(defLookups)
                        .withDefaultLookup(new ConfigurationLookup(this))
                        .create();

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        parent.addProperty("tablespaces.tablespace.name", "default");
        parent.addProperty("tablespaces.tablespace(-1).name", "test");
        parent.addProperty("tables.table(0).var", "${brackets:x}");


        ConfigurationInterpolator interpolator = parent.getInterpolator();
        interpolator.registerLookup("brackets", new Lookup() {


            public String lookup(String key) {
                return "(" + key + ")";
            }

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        do
        {
            ConfigurationInterpolator ciOld = getInterpolator();
            ConfigurationInterpolator ciNew =
                    (ciOld != null) ? ciOld : new ConfigurationInterpolator();
            Lookup confLookup = findConfigurationLookup(ciNew);
            if (confLookup == null)
            {
                confLookup = new ConfigurationLookup(this);
            }
            else

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    protected void cloneInterpolator(AbstractConfiguration orgConfig)
    {
        interpolator = new AtomicReference<ConfigurationInterpolator>();
        ConfigurationInterpolator orgInterpolator = orgConfig.getInterpolator();
        List<Lookup> defaultLookups = orgInterpolator.getDefaultLookups();
        Lookup lookup = findConfigurationLookup(orgInterpolator, orgConfig);
        if (lookup != null)
        {
            defaultLookups.remove(lookup);
        }

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    @Before
    public void setUp() throws Exception
    {
        // any concrete class will do
        PropertiesConfiguration c = new PropertiesConfiguration();
        new FileHandler(c).load(ConfigurationAssert
                .getTestFile("test.properties"));
        sync = new SynchronizerTestImpl();
        c.setSynchronizer(sync);
        config = c;
    }

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    @Before
    public void setUp() throws Exception
    {
        CompositeConfiguration cc = new CompositeConfiguration();
        PropertiesConfiguration pc = new PropertiesConfiguration();
        FileHandler handler = new FileHandler(pc);
        handler.setFileName(testProperties);
        handler.load();
        cc.addConfiguration(pc);
        conf = cc;
        nonStringTestHolder.setConfiguration(conf);
    }

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org.apache.commons.configuration2.AbstractConfiguration

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