Example usage for org.springframework.util Assert state

List of usage examples for org.springframework.util Assert state

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Introduction

In this page you can find the example usage for org.springframework.util Assert state.

Prototype

public static void state(boolean expression, Supplier<String> messageSupplier)

Source Link

Document

Assert a boolean expression, throwing an IllegalStateException if the expression evaluates to false .

Usage

From source file:net.yasion.common.core.bean.wrapper.impl.ExtendedBeanWrapperImpl.java

/**
 * Obtain a lazily initializted CachedIntrospectionResults instance for the wrapped object.
 *//*ww w  . j  a  va2s  . c o  m*/
private CachedIntrospectionResults getCachedIntrospectionResults() {
    Assert.state(this.object != null, "BeanWrapper does not hold a bean instance");
    if (this.cachedIntrospectionResults == null) {
        this.cachedIntrospectionResults = CachedIntrospectionResults.forClass(getWrappedClass());
    }
    return this.cachedIntrospectionResults;
}

From source file:nl.ivo2u.tiny.controller.TinyRestController.java

private static HttpServletRequest getCurrentRequest() {
    final RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();
    Assert.state(requestAttributes != null, "Could not find current request via RequestContextHolder");
    Assert.isInstanceOf(ServletRequestAttributes.class, requestAttributes);
    final HttpServletRequest servletRequest = ((ServletRequestAttributes) requestAttributes).getRequest();
    Assert.state(servletRequest != null, "Could not find current HttpServletRequest");
    return servletRequest;
}

From source file:org.apache.nifi.controller.StandardProcessorNode.java

@Override
public void setAnnotationData(final String data) {
    Assert.state(!isRunning(), "Cannot set AnnotationData while processor is running");
    super.setAnnotationData(data);
}

From source file:org.broadleafcommerce.common.web.resource.BroadleafDefaultResourceResolverChain.java

private ResourceResolver getNext() {

    Assert.state(this.index <= this.resolvers.size(),
            "Current index exceeds the number of configured ResourceResolver's");

    if (this.index == (this.resolvers.size() - 1)) {
        return null;
    }/*from w w w.j a v  a 2 s  .c o  m*/

    this.index++;
    return this.resolvers.get(this.index);
}

From source file:org.broadleafcommerce.test.BroadleafGenericGroovyXmlWebContextLoader.java

/**
 * Configures web resources for the supplied web application context (WAC).
 *
 * <h4>Implementation Details</h4>
 *
 * <p>If the supplied WAC has no parent or its parent is not a WAC, the
 * supplied WAC will be configured as the Root WAC (see "<em>Root WAC
 * Configuration</em>" below).// ww w . ja va 2  s  . co m
 *
 * <p>Otherwise the context hierarchy of the supplied WAC will be traversed
 * to find the top-most WAC (i.e., the root); and the {@link ServletContext}
 * of the Root WAC will be set as the {@code ServletContext} for the supplied
 * WAC.
 *
 * <h4>Root WAC Configuration</h4>
 *
 * <ul>
 * <li>The resource base path is retrieved from the supplied
 * {@code WebMergedContextConfiguration}.</li>
 * <li>A {@link ResourceLoader} is instantiated for the {@link MockServletContext}:
 * if the resource base path is prefixed with "{@code classpath:/}", a
 * {@link DefaultResourceLoader} will be used; otherwise, a
 * {@link FileSystemResourceLoader} will be used.</li>
 * <li>A {@code MockServletContext} will be created using the resource base
 * path and resource loader.</li>
 * <li>The supplied {@link MergeXmlWebApplicationContext} is then stored in
 * the {@code MockServletContext} under the
 * {@link MergeXmlWebApplicationContext#ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE} key.</li>
 * <li>Finally, the {@code MockServletContext} is set in the
 * {@code MergeXmlWebApplicationContext}.</li>
 *
 * @param context the merge xml web application context for which to configure the web
 * resources
 * @param webMergedConfig the merged context configuration to use to load the
 * merge xml web application context
 */
protected void configureWebResources(MergeXmlWebApplicationContext context,
        WebMergedContextConfiguration webMergedConfig) {

    ApplicationContext parent = context.getParent();

    // if the WAC has no parent or the parent is not a WAC, set the WAC as
    // the Root WAC:
    if (parent == null || (!(parent instanceof WebApplicationContext))) {
        String resourceBasePath = webMergedConfig.getResourceBasePath();
        ResourceLoader resourceLoader = resourceBasePath.startsWith(ResourceLoader.CLASSPATH_URL_PREFIX)
                ? new DefaultResourceLoader()
                : new FileSystemResourceLoader();

        ServletContext servletContext = new MockServletContext(resourceBasePath, resourceLoader);
        servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, context);
        context.setServletContext(servletContext);
    } else {
        ServletContext servletContext = null;

        // find the Root WAC
        while (parent != null) {
            if (parent instanceof WebApplicationContext
                    && !(parent.getParent() instanceof WebApplicationContext)) {
                servletContext = ((WebApplicationContext) parent).getServletContext();
                break;
            }
            parent = parent.getParent();
        }
        Assert.state(servletContext != null,
                "Failed to find Root MergeXmlWebApplicationContext in the context hierarchy");
        context.setServletContext(servletContext);
    }
}

From source file:org.cleverbus.core.common.asynch.msg.MessageServiceImpl.java

@Transactional
@Override/*w  ww .j a  v a  2 s.c  om*/
public void insertMessage(final Message message) {
    Assert.notNull(message, "the message must not be null");
    Assert.state(message.getState() == MsgStateEnum.NEW || message.getState() == MsgStateEnum.PROCESSING,
            "new message can be in NEW or PROCESSING state only");

    message.setLastUpdateTimestamp(new Date());

    messageDao.insert(message);

    Log.debug("Inserted new message " + message.toHumanString());
}

From source file:org.cloudfoundry.identity.uaa.client.ClientAdminEndpoints.java

@Override
public void afterPropertiesSet() throws Exception {
    Assert.state(clientRegistrationService != null, "A ClientRegistrationService must be provided");
    Assert.state(clientDetailsService != null, "A ClientDetailsService must be provided");
    Assert.state(clientDetailsValidator != null, "A ClientDetailsValidator must be provided");
}

From source file:org.cloudfoundry.identity.uaa.client.ClientAdminEndpoints.java

@RequestMapping(value = "/oauth/clients/{client}", method = RequestMethod.PUT)
@ResponseStatus(HttpStatus.OK)/*from   www  .  j av a 2  s  .  c o  m*/
@ResponseBody
public ClientDetails updateClientDetails(@RequestBody BaseClientDetails client,
        @PathVariable("client") String clientId) throws Exception {
    Assert.state(clientId.equals(client.getClientId()),
            String.format("The client id (%s) does not match the URL (%s)", client.getClientId(), clientId));
    ClientDetails details = client;
    try {
        ClientDetails existing = getClientDetails(clientId);
        if (existing == null) {
            //TODO - should we proceed? Previous code did by throwing a NPE and logging a warning
            logger.warn("Couldn't fetch client config, null, for client_id: " + clientId);
        } else {
            details = syncWithExisting(existing, client);
        }
    } catch (Exception e) {
        logger.warn("Couldn't fetch client config for client_id: " + clientId, e);
    }
    details = clientDetailsValidator.validate(details, Mode.MODIFY);
    clientRegistrationService.updateClientDetails(details);
    clientUpdates.incrementAndGet();
    return removeSecret(clientDetailsService.retrieve(clientId));
}

From source file:org.cloudfoundry.identity.uaa.client.ClientAdminEndpointsValidator.java

@Override
public void afterPropertiesSet() throws Exception {
    Assert.state(clientDetailsService != null, "A ClientDetailsService must be provided");
}

From source file:org.cloudfoundry.identity.uaa.config.YamlConfigurationValidator.java

@Override
@SuppressWarnings("unchecked")
public void afterPropertiesSet() throws Exception {

    Assert.state(yaml != null, "Yaml document should not be null");

    Validator validator = Validation.buildDefaultValidatorFactory().getValidator();

    try {/*from   w  ww. j a v  a  2 s . c om*/
        logger.trace("Yaml document is\n" + yaml);
        configuration = (T) (new Yaml(constructor)).load(yaml);
        Set<ConstraintViolation<T>> errors = validator.validate(configuration);

        if (!errors.isEmpty()) {
            logger.error("YAML configuration failed validation");
            for (ConstraintViolation<?> error : errors) {
                logger.error(error.getPropertyPath() + ": " + error.getMessage());
            }
            if (exceptionIfInvalid) {
                @SuppressWarnings("rawtypes")
                ConstraintViolationException summary = new ConstraintViolationException((Set) errors);
                throw summary;
            }
        }
    } catch (YAMLException e) {
        if (exceptionIfInvalid) {
            throw e;
        }
        logger.error("Failed to load YAML validation bean. Your YAML file may be invalid.", e);
    }
}