Examples of org.apache.commons.configuration2.BaseHierarchicalConfiguration$BuilderVisitor

Package org.apache.commons.configuration2

Examples of org.apache.commons.configuration2.BaseHierarchicalConfiguration$BuilderVisitor

org.apache.commons.configuration2.BaseHierarchicalConfiguration
A specialized visitor base class that can be used for storing the tree of configuration nodes. The basic idea is that each node can be associated with a reference object. This reference object has a concrete meaning in a derived class, e.g. an entry in a JNDI context or an XML element. When the configuration tree is set up, the {@code load()} method isresponsible for setting the reference objects. When the configuration tree is later modified, new nodes do not have a defined reference object. This visitor class processes all nodes and finds the ones without a defined reference object. For those nodes the {@code insert()}method is called, which must be defined in concrete sub classes. This method can perform all steps to integrate the new node into the original structure.

     * Tests fetching properties if none are defined.
     */
    @Test
    public void testGetBeanPropertiesEmpty()
    {
        XMLBeanDeclaration decl = new XMLBeanDeclaration(new BaseHierarchicalConfiguration());
        Map<String, Object> props = decl.getBeanProperties();
        assertTrue("Properties found", props == null || props.isEmpty());
    }

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     *
     * @return the initialized test configuration
     */
    private static BaseHierarchicalConfiguration prepareNestedBeanDeclarations()
    {
        BaseHierarchicalConfiguration config =
                new BaseHierarchicalConfiguration();
        setupBeanDeclaration(config, KEY, TEST_PROPS, TEST_VALUES);
        String keyCtorArg = KEY + ".config-constrarg";
        setupBeanDeclaration(config, keyCtorArg, CTOR_COMPLEX_ATTRIBUTES,
                CTOR_COMPLEX_VALUES);
        config.addProperty(keyCtorArg + "[@config-class]", "TestClass");
        config.addProperty(keyCtorArg + "(-1)[@config-value]", CTOR_ID);
        config.addProperty(keyCtorArg + "[@config-type]", "long");
        for (int i = 0; i < COMPLEX_PROPS.length; i++)
        {
            setupBeanDeclaration(config, KEY + '.' + COMPLEX_PROPS[i],
                    COMPLEX_ATTRIBUTES[i], COMPLEX_VALUES[i]);
            config.addProperty(
                    KEY + '.' + COMPLEX_PROPS[i] + "[@config-class]",
                    COMPLEX_CLASSES[i]);
        }
        return config;
    }

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     * Tests fetching nested bean declarations.
     */
    @Test
    public void testGetNestedBeanDeclarations()
    {
        BaseHierarchicalConfiguration config = prepareNestedBeanDeclarations();
        XMLBeanDeclaration decl = new XMLBeanDeclaration(config, KEY);
        checkProperties(decl, TEST_PROPS, TEST_VALUES);


        Map<String, Object> nested = decl.getNestedBeanDeclarations();
        assertEquals("Wrong number of nested declarations",

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     * are handled correctly. This is related to CONFIGURATION-567.
     */
    @Test
    public void testGetNestedBeanDeclarationsReservedCharacter()
    {
        BaseHierarchicalConfiguration config = new BaseHierarchicalConfiguration();
        String key = KEY + ".address..private";
        setupBeanDeclaration(config, key, COMPLEX_ATTRIBUTES[0], COMPLEX_VALUES[0]);
        XMLBeanDeclaration decl = new XMLBeanDeclaration(config, KEY);


        Map<String, Object> nested = decl.getNestedBeanDeclarations();

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     * gets called.
     */
    @Test
    public void testGetNestedBeanDeclarationsFactoryMethod()
    {
        BaseHierarchicalConfiguration config = prepareNestedBeanDeclarations();
        XMLBeanDeclaration decl = new XMLBeanDeclaration(config, KEY)
        {
            @Override
            BeanDeclaration createBeanDeclaration(NodeData<?> node)
            {

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     * Tests fetching nested bean declarations if none are defined.
     */
    @Test
    public void testGetNestedBeanDeclarationsEmpty()
    {
        BaseHierarchicalConfiguration config = new BaseHierarchicalConfiguration();
        setupBeanDeclaration(config, KEY, TEST_PROPS, TEST_VALUES);
        XMLBeanDeclaration decl = new XMLBeanDeclaration(config, KEY);
        Map<String, Object> nested = decl.getNestedBeanDeclarations();
        assertTrue("Found nested declarations", nested == null
                || nested.isEmpty());

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     * Tests whether interpolation of bean properties works.
     */
    @Test
    public void testGetInterpolatedBeanProperties()
    {
        BaseHierarchicalConfiguration config = new BaseHierarchicalConfiguration();
        String[] varValues = new String[TEST_PROPS.length];
        for(int i = 0; i < TEST_PROPS.length; i++)
        {
            varValues[i] = "${" + VARS + TEST_PROPS[i] + "}";
            config.addProperty(VARS + TEST_PROPS[i], TEST_VALUES[i]);
        }
        setupBeanDeclaration(config, KEY, TEST_PROPS, varValues);
        XMLBeanDeclaration decl = new XMLBeanDeclaration(config, KEY);
        checkProperties(decl, TEST_PROPS, TEST_VALUES);
    }

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     * cause an exception.
     */
    @Test(expected = ConfigurationRuntimeException.class)
    public void testInitFromUndefinedKey()
    {
        BaseHierarchicalConfiguration config = new BaseHierarchicalConfiguration();
        setupBeanDeclaration(config, KEY, TEST_PROPS, TEST_VALUES);
        new XMLBeanDeclaration(config, "undefined_key");
    }

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     * is provided.
     */
    @Test
    public void testInitFromUndefinedKeyOptional()
    {
        BaseHierarchicalConfiguration config = new BaseHierarchicalConfiguration();
        setupBeanDeclaration(config, KEY, TEST_PROPS, TEST_VALUES);
        XMLBeanDeclaration decl = new XMLBeanDeclaration(config, "undefined_key", true);
        assertNull("Found a bean class", decl.getBeanClassName());
    }

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     * This should cause an exception because keys must be unique.
     */
    @Test(expected = ConfigurationRuntimeException.class)
    public void testInitFromMultiValueKey()
    {
        BaseHierarchicalConfiguration config = new BaseHierarchicalConfiguration();
        config.addProperty(KEY, "myFirstKey");
        config.addProperty(KEY, "mySecondKey");
        new XMLBeanDeclaration(config, KEY);
    }

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