Examples of org.springframework.core.env.ConfigurableEnvironment

org.springframework.core.env.ConfigurableEnvironment
Configuration interface to be implemented by most if not all {@link Environment} types.Provides facilities for setting active and default profiles and manipulating underlying property sources. Allows clients to set and validate required properties, customize the conversion service and more through the {@link ConfigurablePropertyResolver}superinterface.
Manipulating property sources

Property sources may be removed, reordered, or replaced; and additional property sources may be added using the {@link MutablePropertySources}instance returned from {@link #getPropertySources()}. The following examples are against the {@link StandardEnvironment} implementation of{@code ConfigurableEnvironment}, but are generally applicable to any implementation, though particular default property sources may differ.
Example: adding a new property source with highest search priority
```
 ConfigurableEnvironment environment = new StandardEnvironment(); MutablePropertySources propertySources = environment.getPropertySources(); Map myMap = new HashMap(); myMap.put("xyz", "myValue"); propertySources.addFirst(new MapPropertySource("MY_MAP", myMap)); 
```
Example: removing the default system properties property source
```
 MutablePropertySources propertySources = environment.getPropertySources(); propertySources.remove(StandardEnvironment.SYSTEM_PROPERTIES_PROPERTY_SOURCE_NAME) 
```
Example: mocking the system environment for testing purposes
```
 MutablePropertySources propertySources = environment.getPropertySources(); MockPropertySource mockEnvVars = new MockPropertySource().withProperty("xyz", "myValue"); propertySources.replace(StandardEnvironment.SYSTEM_ENVIRONMENT_PROPERTY_SOURCE_NAME, mockEnvVars); 
```
When an {@link Environment} is being used by an {@code ApplicationContext}, it is important that any such {@code PropertySource} manipulations be performedbefore the context's {@link org.springframework.context.support.AbstractApplicationContext#refresh() refresh()}method is called. This ensures that all property sources are available during the container bootstrap process, including use by {@linkplain org.springframework.context.support.PropertySourcesPlaceholderConfigurer propertyplaceholder configurers}. @author Chris Beams @since 3.1 @see StandardEnvironment @see org.springframework.context.ConfigurableApplicationContext#getEnvironment

    assertThat(foo, instanceOf(String.class));
  }


  @Test
  public void getBean_withActiveProfile() {
    ConfigurableEnvironment env = new StandardEnvironment();
    env.setActiveProfiles("dev");


    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(bf);
    reader.setEnvironment(env);
    reader.loadBeanDefinitions(XML);

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    servlet.destroy();
  }


  public void testEnvironmentOperations() {
    DispatcherServlet servlet = new DispatcherServlet();
    ConfigurableEnvironment defaultEnv = servlet.getEnvironment();
    assertThat(defaultEnv, notNullValue());
    ConfigurableEnvironment env1 = new StandardServletEnvironment();
    servlet.setEnvironment(env1); // should succeed
    assertThat(servlet.getEnvironment(), sameInstance(env1));
    try {
      servlet.setEnvironment(new DummyEnvironment());
      fail("expected IllegalArgumentException for non-configurable Environment");

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    AnnotationConfigApplicationContext child = new AnnotationConfigApplicationContext();
    child.setParent(parent);
    child.refresh();


    ConfigurableEnvironment env = child.getBean(ConfigurableEnvironment.class);
    assertThat("unknown env", env, anyOf(
        sameInstance(parent.getEnvironment()),
        sameInstance(child.getEnvironment())));
    assertThat("expected child ctx env", env, sameInstance(child.getEnvironment()));
  }

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  private static class TestContextInitializer implements ApplicationContextInitializer<ConfigurableApplicationContext> {


    @Override
    public void initialize(ConfigurableApplicationContext applicationContext) {
      ConfigurableEnvironment environment = applicationContext.getEnvironment();
      environment.getPropertySources().addFirst(new PropertySource<Object>("testPropertySource") {
        @Override
        public Object getProperty(String key) {
          return "name".equals(key) ? "testName" : null;
        }
      });

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   * {@inheritDoc}
   * <p>Replace {@code Servlet}-related property sources.
   */
  @Override
  protected void initPropertySources() {
    ConfigurableEnvironment env = getEnvironment();
    if (env instanceof ConfigurableWebEnvironment) {
      ((ConfigurableWebEnvironment) env).initPropertySources(this.servletContext, null);
    }
  }

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   * {@inheritDoc}
   * <p>Replace {@code Servlet}-related property sources.
   */
  @Override
  protected void initPropertySources() {
    ConfigurableEnvironment env = getEnvironment();
    if (env instanceof ConfigurableWebEnvironment) {
      ((ConfigurableWebEnvironment) env).initPropertySources(this.servletContext, this.servletConfig);
    }
  }

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    pac.addApplicationListener(new SourceFilteringListener(pac, this));


    // The wac environment's #initPropertySources will be called in any case when the context
    // is refreshed; do it eagerly here to ensure portlet property sources are in place for
    // use in any post-processing or initialization that occurs below prior to #refresh
    ConfigurableEnvironment env = pac.getEnvironment();
    if (env instanceof StandardPortletEnvironment) {
      ((StandardPortletEnvironment) env).initPropertySources(pac.getServletContext(), getPortletContext(), getPortletConfig());
    }


    postProcessPortletApplicationContext(pac);

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    wac.addApplicationListener(new SourceFilteringListener(wac, new ContextRefreshListener()));


    // The wac environment's #initPropertySources will be called in any case when the context
    // is refreshed; do it eagerly here to ensure servlet property sources are in place for
    // use in any post-processing or initialization that occurs below prior to #refresh
    ConfigurableEnvironment env = wac.getEnvironment();
    if (env instanceof ConfigurableWebEnvironment) {
      ((ConfigurableWebEnvironment) env).initPropertySources(getServletContext(), getServletConfig());
    }


    postProcessWebApplicationContext(wac);

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  @Test
  public void testDefaultProfile() {
    {
      DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
      XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);
      ConfigurableEnvironment env = new StandardEnvironment();
      env.setDefaultProfiles("custom-default");
      reader.setEnvironment(env);
      reader.loadBeanDefinitions(new ClassPathResource(DEFAULT_ELIGIBLE_XML, getClass()));


      assertThat(beanFactory, not(containsTargetBean()));
    }
    {
      DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
      XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);
      ConfigurableEnvironment env = new StandardEnvironment();
      env.setDefaultProfiles("custom-default");
      reader.setEnvironment(env);
      reader.loadBeanDefinitions(new ClassPathResource(CUSTOM_DEFAULT_ELIGIBLE_XML, getClass()));


      assertThat(beanFactory, containsTargetBean());
    }

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    assertThat(beanFactoryFor(DEFAULT_ELIGIBLE_XML, "other"), not(containsTargetBean()));


    {
      DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
      XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);
      ConfigurableEnvironment env = new StandardEnvironment();
      env.setActiveProfiles(DEV_ACTIVE);
      env.setDefaultProfiles("default");
      reader.setEnvironment(env);
      reader.loadBeanDefinitions(new ClassPathResource(DEFAULT_AND_DEV_ELIGIBLE_XML, getClass()));
      assertThat(beanFactory, containsTargetBean());
    }
    {
      DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
      XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);
      ConfigurableEnvironment env = new StandardEnvironment();
      // env.setActiveProfiles(DEV_ACTIVE);
      env.setDefaultProfiles("default");
      reader.setEnvironment(env);
      reader.loadBeanDefinitions(new ClassPathResource(DEFAULT_AND_DEV_ELIGIBLE_XML, getClass()));
      assertThat(beanFactory, containsTargetBean());
    }
    {
      DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
      XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);
      ConfigurableEnvironment env = new StandardEnvironment();
      // env.setActiveProfiles(DEV_ACTIVE);
      //env.setDefaultProfiles("default");
      reader.setEnvironment(env);
      reader.loadBeanDefinitions(new ClassPathResource(DEFAULT_AND_DEV_ELIGIBLE_XML, getClass()));
      assertThat(beanFactory, containsTargetBean());

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Examples of org.springframework.core.env.ConfigurableEnvironment

Manipulating property sources

Example: adding a new property source with highest search priority

Example: removing the default system properties property source

Example: mocking the system environment for testing purposes

Related Classes of org.springframework.core.env.ConfigurableEnvironment