Example usage for org.springframework.util Assert state

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:com.payu.ratel.client.ContextAnnotationAutowireCandidateResolver.java

protected Object buildLazyResolutionProxy(final DependencyDescriptor descriptor, final String beanName) {
    Assert.state(getBeanFactory() instanceof DefaultListableBeanFactory,
            "BeanFactory needs to be a DefaultListableBeanFactory");
    final DefaultListableBeanFactory beanFactory = (DefaultListableBeanFactory) getBeanFactory();
    TargetSource ts = new TargetSource() {
        @Override/*from w w w .  j a  v  a 2s  .  c  o m*/
        public Class<?> getTargetClass() {
            return descriptor.getDependencyType();
        }

        @Override
        public boolean isStatic() {
            return false;
        }

        @Override
        public Object getTarget() {
            return beanFactory.doResolveDependency(descriptor, beanName, null, null);
        }

        @Override
        public void releaseTarget(Object target) {
        }
    };
    ProxyFactory pf = new ProxyFactory();
    pf.setTargetSource(ts);
    Class<?> dependencyType = descriptor.getDependencyType();
    if (dependencyType.isInterface()) {
        pf.addInterface(dependencyType);
    }
    return pf.getProxy(beanFactory.getBeanClassLoader());
}

From source file:net.community.chest.gitcloud.facade.backend.git.BackendReceivePackFactory.java

@Inject
public BackendReceivePackFactory(@Value(RECEIVE_TIMEOUT_SEC_INJECTION_VALUE) int timeoutValue) {
    Assert.state(timeoutValue > 0, "Bad timeout value: " + timeoutValue);
    receiveTimeoutValue = timeoutValue;//from  w w  w.j  av a 2  s  .c o  m

    synchronized (holder) {
        Assert.state(holder.get() == null, "Double registered factory");
        holder.set(this);
    }
}

From source file:org.opencredo.couchdb.core.CouchDbDocumentTemplate.java

public <T> T readDocument(String id, Class<T> documentType) throws CouchDbOperationException {
    Assert.state(defaultDocumentUrl != null, "defaultDatabaseUrl must be set to use this method");
    try {/*from www  .  ja va  2  s.  c  om*/
        return restOperations.getForObject(defaultDocumentUrl, documentType, id);
    } catch (RestClientException e) {
        throw new CouchDbOperationException("Unable to communicate with CouchDB", e);
    }
}

From source file:com.snowstore.mercury.indicator.DataSourceHealthIndicator.java

@Override
public void afterPropertiesSet() throws Exception {
    try {//from w  ww .jav  a2  s. co m
        Assert.state(this.dataSource != null, "DataSource for DataSourceHealthIndicator must be specified");
        this.jdbcTemplate = new JdbcTemplate(dataSource);

    } catch (Exception e) {
        valid = false;
    }
}

From source file:org.cleverbus.core.alerts.EmailAlertListenerSupport.java

/**
 * Default implementation is to send email notification.
 * If you need to implement whatever else then override {@link #onAlert(AlertInfo)} with custom actions.
 *
 * @param alert the activated alert/*from w  ww  . ja  va  2 s  .  co  m*/
 * @param actualCount the actual count of items
 */
@Override
public final void onAlert(AlertInfo alert, long actualCount) {
    Log.debug("onAlert (" + alert.toHumanString() + ")");

    // use default subject or body if not defined specific one
    String subject = StringUtils.isNotEmpty(alert.getNotificationSubject()) ? formatSubject(alert)
            : String.format(DEFAULT_ALERT_SUBJECT, alert.getId());

    String body = StringUtils.isNotEmpty(alert.getNotificationBody()) ? formatBody(alert, actualCount)
            : String.format(DEFAULT_ALERT_BODY, actualCount, alert.getId(), alert.getLimit());

    Assert.state(StringUtils.isNotEmpty(subject), "subject can't be empty");
    Assert.state(StringUtils.isNotEmpty(body), "body can't be empty");

    // send email
    try {
        sendEmail(subject, body);
    } catch (Exception ex) {
        Log.error("Error occurred during email sending for alert id=" + alert.getId(), ex);
    }

    // do whatever else
    try {
        onAlert(alert);
    } catch (Exception ex) {
        Log.error("Error occurred during final action for alert id=" + alert.getId(), ex);
    }
}

From source file:org.wallride.autoconfigure.WebAdminComponentScanRegistrar.java

private Set<String> getPackagesToScan(AnnotationMetadata metadata) {
    AnnotationAttributes attributes = AnnotationAttributes
            .fromMap(metadata.getAnnotationAttributes(WebAdminComponentScan.class.getName()));
    String[] value = attributes.getStringArray("value");
    String[] basePackages = attributes.getStringArray("basePackages");
    Class<?>[] basePackageClasses = attributes.getClassArray("basePackageClasses");
    if (!ObjectUtils.isEmpty(value)) {
        Assert.state(ObjectUtils.isEmpty(basePackages),
                "@WebAdminComponentScan basePackages and value attributes are mutually exclusive");
    }/*from  w  ww .j  ava 2  s. c  om*/
    Set<String> packagesToScan = new LinkedHashSet<String>();
    packagesToScan.addAll(Arrays.asList(value));
    packagesToScan.addAll(Arrays.asList(basePackages));
    for (Class<?> basePackageClass : basePackageClasses) {
        packagesToScan.add(ClassUtils.getPackageName(basePackageClass));
    }
    if (packagesToScan.isEmpty()) {
        return Collections.singleton(ClassUtils.getPackageName(metadata.getClassName()));
    }
    return packagesToScan;
}

From source file:org.mvnsearch.spring.boot.mybatis.MybatisAutoConfiguration.java

@PostConstruct
public void checkConfigFileExists() {
    Assert.state(properties.getConfig() != null,
            "Cannot find config location:  (please add config file or check your Mybatis configuration)");
    if (this.properties.getConfig() != null) {
        Resource resource = this.resourceLoader.getResource(this.properties.getConfig());
        Assert.state(resource.exists(), "Cannot find config location: " + resource
                + " (please add config file or check your Mybatis configuration)");
    }// w  w w  . j a v  a  2s  . co  m
}

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

@Override
public void afterPropertiesSet() {
    Assert.state(userInfoUrl != null, "User info URL must be provided");
    Assert.state(restTemplate != null, "RestTemplate URL must be provided");
}

From source file:org.cleverbus.core.common.extension.AbstractExtensionConfigurationLoader.java

/**
 * Loads Spring configuration files.//from w  w w .j  ava 2  s  .c  om
 * Each config represents root configuration file for one extension and new child Spring context will be
 * created for each extension.
 *
 * @param extConfigLocations Extension configuration locations
 */
protected final void loadExtensions(String... extConfigLocations) {
    Assert.state(parentContext != null, "parent context is not defined");
    Assert.state(camelContext != null, "camel context is not defined");

    if (extConfigLocations == null) {
        return;
    }

    int count = 0;
    for (String extConfigLocation : extConfigLocations) {
        try {
            loadExtension(extConfigLocation, ++count);
        } catch (Exception ex) {
            String msg = "error during extension configuration '" + extConfigLocation + "' loading";

            Log.error(msg, ex);

            throw new ExtensionConfigurationException(msg, ex);
        }
    }
}