org.springframework.beans.factory.config.PlaceholderConfigurerSupport Java Examples

@SuppressWarnings("unchecked")
@SneakyThrows
private static Object v1(final Environment environment, final String prefix) {
    Class<?> resolverClass = Class.forName("org.springframework.boot.bind.RelaxedPropertyResolver");
    Constructor<?> resolverConstructor = resolverClass.getDeclaredConstructor(PropertyResolver.class);
    Method getSubPropertiesMethod = resolverClass.getDeclaredMethod("getSubProperties", String.class);
    Object resolverObject = resolverConstructor.newInstance(environment);
    String prefixParam = prefix.endsWith(".") ? prefix : prefix + ".";
    Method getPropertyMethod = resolverClass.getDeclaredMethod("getProperty", String.class);
    Map<String, Object> dataSourceProps = (Map<String, Object>) getSubPropertiesMethod.invoke(resolverObject, prefixParam);
    Map<String, Object> propertiesWithPlaceholderResolved = new HashMap<>();
    for (Entry<String, Object> entry : dataSourceProps.entrySet()) {
        String key = entry.getKey();
        Object value = entry.getValue();
        if (value instanceof String && ((String) value).contains(
                PlaceholderConfigurerSupport.DEFAULT_PLACEHOLDER_PREFIX)) {
            String resolvedValue = (String) getPropertyMethod.invoke(resolverObject, prefixParam + key);
            propertiesWithPlaceholderResolved.put(key, resolvedValue);
        } else {
            propertiesWithPlaceholderResolved.put(key, value);
        }
    }
    return Collections.unmodifiableMap(propertiesWithPlaceholderResolved);
}
 

@SuppressWarnings("unchecked")
@SneakyThrows(ReflectiveOperationException.class)
private static Object v1(final Environment environment, final String prefix, final boolean handlePlaceholder) {
    Class<?> resolverClass = Class.forName("org.springframework.boot.bind.RelaxedPropertyResolver");
    Constructor<?> resolverConstructor = resolverClass.getDeclaredConstructor(PropertyResolver.class);
    Method getSubPropertiesMethod = resolverClass.getDeclaredMethod("getSubProperties", String.class);
    Object resolverObject = resolverConstructor.newInstance(environment);
    String prefixParam = prefix.endsWith(".") ? prefix : prefix + ".";
    Method getPropertyMethod = resolverClass.getDeclaredMethod("getProperty", String.class);
    Map<String, Object> dataSourceProps = (Map<String, Object>) getSubPropertiesMethod.invoke(resolverObject, prefixParam);
    Map<String, Object> propertiesWithPlaceholderResolved = new HashMap<>();
    for (Entry<String, Object> entry : dataSourceProps.entrySet()) {
        String key = entry.getKey();
        Object value = entry.getValue();
        if (handlePlaceholder && value instanceof String && ((String) value).contains(PlaceholderConfigurerSupport.DEFAULT_PLACEHOLDER_PREFIX)) {
            String resolvedValue = (String) getPropertyMethod.invoke(resolverObject, prefixParam + key);
            propertiesWithPlaceholderResolved.put(key, resolvedValue);
        } else {
            propertiesWithPlaceholderResolved.put(key, value);
        }
    }
    return propertiesWithPlaceholderResolved;
}
 

@Test
public void propertyPlaceholder() throws Exception {
	ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
			"contextNamespaceHandlerTests-replace.xml", getClass());
	Map<String, PlaceholderConfigurerSupport> beans = applicationContext
			.getBeansOfType(PlaceholderConfigurerSupport.class);
	assertFalse("No PropertyPlaceholderConfigurer found", beans.isEmpty());
	assertEquals("bar", applicationContext.getBean("string"));
	assertEquals("null", applicationContext.getBean("nullString"));
}
 

@Test
public void propertyPlaceholderEnvironmentProperties() throws Exception {
	MockEnvironment env = new MockEnvironment().withProperty("foo", "spam");
	GenericXmlApplicationContext applicationContext = new GenericXmlApplicationContext();
	applicationContext.setEnvironment(env);
	applicationContext.load(new ClassPathResource("contextNamespaceHandlerTests-simple.xml", getClass()));
	applicationContext.refresh();
	Map<String, PlaceholderConfigurerSupport> beans = applicationContext
			.getBeansOfType(PlaceholderConfigurerSupport.class);
	assertFalse("No PropertyPlaceholderConfigurer found", beans.isEmpty());
	assertEquals("spam", applicationContext.getBean("string"));
	assertEquals("none", applicationContext.getBean("fallback"));
}
 

@Test
public void propertyPlaceholderIgnored() throws Exception {
	ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
			"contextNamespaceHandlerTests-replace-ignore.xml", getClass());
	Map<String, PlaceholderConfigurerSupport> beans = applicationContext
			.getBeansOfType(PlaceholderConfigurerSupport.class);
	assertFalse("No PropertyPlaceholderConfigurer found", beans.isEmpty());
	assertEquals("${bar}", applicationContext.getBean("string"));
	assertEquals("null", applicationContext.getBean("nullString"));
}
 

@Bean
public static PlaceholderConfigurerSupport placeholderConfigurer() {
	return new ConfigurationPropertySourcesPlaceholderConfigurer(StaticConfigurationSupplier.getConfiguration());
}
 

@Bean
public static PlaceholderConfigurerSupport placeholderConfigurer() {
	return new ConfigurationPropertySourcesPlaceholderConfigurer(StaticConfigurationSupplier.getConfiguration());
}