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.

     * @param name the attribute name
     */
    private void checkOldReservedAttribute(String name)
    {
        String prefixName = "config-" + name;
        BaseHierarchicalConfiguration config = new BaseHierarchicalConfiguration();
        config.addProperty(String.format("[@%s]", prefixName), Boolean.TRUE);
        ConfigurationDeclaration decl = createDeclaration(config);
        assertTrue(prefixName + " attribute not recognized",
                decl.isReservedAttributeName(prefixName));
        config.addProperty(String.format("[@%s]", name), Boolean.TRUE);
        assertFalse(name + " is reserved though config- exists",
                decl.isReservedAttributeName(name));
        assertTrue("config- attribute not recognized when " + name + " exists",
                decl.isReservedAttributeName(prefixName));
    }

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     * ConfigurationDeclaration.
     */
    @Test
    public void testConfigurationDeclarationGetAttributes()
    {
        HierarchicalConfiguration<?> config = new BaseHierarchicalConfiguration();
        config.addProperty("xml.fileName", "test.xml");
        ConfigurationDeclaration decl =
                createDeclaration(config.configurationAt("xml"));
        assertNull("Found an at attribute", decl.getAt());
        assertFalse("Found an optional attribute", decl.isOptional());
        config.addProperty("xml[@config-at]", "test1");
        decl = createDeclaration(config.configurationAt("xml"));
        assertEquals("Wrong value of at attribute", "test1", decl.getAt());
        config.addProperty("xml[@at]", "test2");
        decl = createDeclaration(config.configurationAt("xml"));
        assertEquals("Wrong value of config-at attribute", "test1",
                decl.getAt());
        config.clearProperty("xml[@config-at]");
        decl = createDeclaration(config.configurationAt("xml"));
        assertEquals("Old at attribute not detected", "test2", decl.getAt());
        config.addProperty("xml[@config-optional]", "true");
        decl = createDeclaration(config.configurationAt("xml"));
        assertTrue("Wrong value of optional attribute", decl.isOptional());
        config.addProperty("xml[@optional]", "false");
        decl = createDeclaration(config.configurationAt("xml"));
        assertTrue("Wrong value of config-optional attribute",
                decl.isOptional());
        config.clearProperty("xml[@config-optional]");
        config.setProperty("xml[@optional]", Boolean.TRUE);
        decl = createDeclaration(config.configurationAt("xml"));
        assertTrue("Old optional attribute not detected", decl.isOptional());
    }

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     * Tests whether an invalid value of an optional attribute is detected.
     */
    @Test(expected = ConfigurationRuntimeException.class)
    public void testConfigurationDeclarationOptionalAttributeInvalid()
    {
        HierarchicalConfiguration<?> factory = new BaseHierarchicalConfiguration();
        factory.addProperty("xml.fileName", "test.xml");
        factory.setProperty("xml[@optional]", "invalid value");
        ConfigurationDeclaration decl =
                createDeclaration(factory.configurationAt("xml"));
        decl.isOptional();
    }

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    public void testSetConfigurationBasePath() throws ConfigurationException
    {
        File deepDir = new File(ConfigurationAssert.TEST_DIR, "config/deep");
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("fileName", "test.properties");
        BaseHierarchicalConfiguration defConfig =
                createDefinitionConfig("properties", params);
        defConfig.addProperty("override.properties.fileSystem[@config-class]",
                VFSFileSystem.class.getName());
        BasicConfigurationBuilder<? extends HierarchicalConfiguration<ImmutableNode>> defBuilder =
                createDefinitionBuilder(defConfig);
        builder.configure(new CombinedBuilderParametersImpl()
                .setDefinitionBuilder(defBuilder).setBasePath(

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                            throws ConfigurationException
                    {
                        return new AlwaysReloadingDetector();
                    }
                };
        BaseHierarchicalConfiguration defConf = new BaseHierarchicalConfiguration();
        addReloadSource(defConf, xmlConf1.getAbsolutePath());
        addReloadSource(defConf, xmlConf2.getAbsolutePath());
        builder.configure(parameters
                .combined()
                .setDefinitionBuilder(new ConstantConfigurationBuilder(defConf))

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                            throws ConfigurationException
                    {
                        return new RandomReloadingDetector();
                    }
                };
        BaseHierarchicalConfiguration defConf = new BaseHierarchicalConfiguration();
        defConf.addProperty("header.result.nodeCombiner[@config-class]",
                MergeCombiner.class.getName());
        defConf.addProperty("header.result.expressionEngine[@config-class]",
                XPathExpressionEngine.class.getName());
        addReloadSource(defConf, "configA.xml");
        addReloadSource(defConf, "configB.xml");
        Synchronizer sync = new ReadWriteSynchronizer();
        builder.configure(parameters

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     * Tests combination of simple elements.
     */
    @Test
    public void testSimpleValues() throws ConfigurationException
    {
        BaseHierarchicalConfiguration config = createCombinedConfiguration();
        assertEquals("Wrong number of bgcolors", 0, config
                .getMaxIndex("gui.bgcolor"));
        assertEquals("Wrong bgcolor", "green", config.getString("gui.bgcolor"));
        assertEquals("Wrong selcolor", "yellow", config
                .getString("gui.selcolor"));
        assertEquals("Wrong fgcolor", "blue", config.getString("gui.fgcolor"));
        assertEquals("Wrong level", 1, config.getInt("gui.level"));
    }

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     * Tests combination of attributes.
     */
    @Test
    public void testAttributes() throws ConfigurationException
    {
        BaseHierarchicalConfiguration config = createCombinedConfiguration();
        assertEquals("Wrong value of min attribute", 1, config
                .getInt("gui.level[@min]"));
        assertEquals("Wrong value of default attribute", 2, config
                .getInt("gui.level[@default]"));
        assertEquals("Wrong number of id attributes", 0, config
                .getMaxIndex("database.tables.table(0)[@id]"));
        assertEquals("Wrong value of table id", 1, config
                .getInt("database.tables.table(0)[@id]"));
    }

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     * Tests whether property values are correctly overridden.
     */
    @Test
    public void testOverrideValues() throws ConfigurationException
    {
        BaseHierarchicalConfiguration config = createCombinedConfiguration();
        assertEquals("Wrong user", "Admin", config
                .getString("base.services.security.login.user"));
        assertEquals("Wrong user type", "default", config
                .getString("base.services.security.login.user[@type]"));
        assertNull("Wrong password", config.getString("base.services.security.login.passwd"));
        assertEquals("Wrong password type", "secret", config
                .getString("base.services.security.login.passwd[@type]"));
    }

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     * second structure.
     */
    @Test
    public void testListFromFirstStructure() throws ConfigurationException
    {
        BaseHierarchicalConfiguration config = createCombinedConfiguration();
        assertEquals("Wrong number of services", 0, config
                .getMaxIndex("net.service.url"));
        assertEquals("Wrong service", "http://service1.org", config
                .getString("net.service.url"));
        assertFalse("Type attribute available", config
                .containsKey("net.service.url[@type]"));
    }

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