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:org.codehaus.grepo.query.jpa.repository.DefaultJpaRepository.java

/**
 * @return Returns the entity manager./*from  w w  w . j  av  a2 s .  c  o  m*/
 * @throws IllegalStateException in case factory is null
 */
protected EntityManager createEntityManager() throws IllegalStateException {
    Assert.state(getEntityManagerFactory() != null, "No EntityManagerFactory specified");
    return (hasJpaProperties() ? getEntityManagerFactory().createEntityManager(getJpaPropertyMap())
            : getEntityManagerFactory().createEntityManager());
}

From source file:de.escalon.hypermedia.spring.AffordanceBuilderFactory.java

private boolean containsCollection(Type genericReturnType) {
    final boolean ret;
    if (genericReturnType instanceof ParameterizedType) {
        ParameterizedType t = (ParameterizedType) genericReturnType;
        Type rawType = t.getRawType();
        Assert.state(rawType instanceof Class<?>, "raw type is not a Class: " + rawType.toString());
        Class<?> cls = (Class<?>) rawType;
        if (HttpEntity.class.isAssignableFrom(cls)) {
            Type[] typeArguments = t.getActualTypeArguments();
            ret = containsCollection(typeArguments[0]);
        } else if (Resources.class.isAssignableFrom(cls) || Collection.class.isAssignableFrom(cls)) {
            ret = true;/*from w ww  . java  2  s. com*/
        } else {
            ret = false;
        }
    } else if (genericReturnType instanceof GenericArrayType) {
        ret = true;
    } else if (genericReturnType instanceof WildcardType) {
        WildcardType t = (WildcardType) genericReturnType;
        ret = containsCollection(getBound(t.getLowerBounds()))
                || containsCollection(getBound(t.getUpperBounds()));
    } else if (genericReturnType instanceof TypeVariable) {
        ret = false;
    } else if (genericReturnType instanceof Class) {
        Class<?> cls = (Class<?>) genericReturnType;
        ret = Resources.class.isAssignableFrom(cls) || Collection.class.isAssignableFrom(cls);
    } else {
        ret = false;
    }
    return ret;
}

From source file:com.riptide.plugins.jenkins.cloudfront.utils.AntPathMatcher.java

public Map<String, String> extractUriTemplateVariables(String pattern, String path) {
    Map<String, String> variables = new LinkedHashMap<String, String>();
    boolean result = doMatch(pattern, path, true, variables);
    Assert.state(result, "Pattern \"" + pattern + "\" is not a match for \"" + path + "\"");
    return variables;
}

From source file:com.github.springtestdbunit.bean.DatabaseConfigBean.java

/**
 * Set a property to the underlying data config.
 * @param propertyName the name of the property
 * @param dataConfigPropertyName the data config property name
 * @param value the value to set/*from w ww  .  j a  v a2  s. c  o  m*/
 */
private void setProperty(String propertyName, String dataConfigPropertyName, Object value) {
    ConfigProperty configProperty = CONFIG_PROPERTIES.get(dataConfigPropertyName);
    Assert.state(configProperty != null,
            "Unsupported config property " + dataConfigPropertyName + " for " + propertyName);
    if (!configProperty.isNullable()) {
        Assert.notNull(value, propertyName + " cannot be null");
    }
    if (value != null) {
        Assert.isInstanceOf(configProperty.getPropertyType(), value, "Unable to set " + propertyName + " ");
    }
    this.databaseConfig.setProperty(dataConfigPropertyName, value);
}

From source file:egovframework.rte.bat.core.item.file.EgovPartitionFlatFileItemWriter.java

/**
 * ??   OutputState ? ?   /*from w  w w.j  a va2s . c  o  m*/
 * @return
 */
private OutputState getOutputState() {
    if (state == null) {
        File file;
        try {
            file = resource.getFile();
        } catch (IOException e) {
            throw new ItemStreamException("Could not convert resource to file: [" + resource + "]", e);
        }
        Assert.state(!file.exists() || file.canWrite(), "Resource is not writable: [" + resource + "]");
        state = new OutputState();
        state.setDeleteIfExists(shouldDeleteIfExists);
        state.setAppendAllowed(append);
        state.setEncoding(encoding);
    }
    return (OutputState) state;
}

From source file:org.kurento.rabbitmq.RabbitTemplate.java

public void setConfirmCallback(ConfirmCallback confirmCallback) {
    Assert.state(this.confirmCallback == null || this.confirmCallback == confirmCallback,
            "Only one ConfirmCallback is supported by each RabbitTemplate");
    this.confirmCallback = confirmCallback;
}

From source file:org.kurento.rabbitmq.RabbitTemplate.java

public void setReturnCallback(ReturnCallback returnCallback) {
    Assert.state(this.returnCallback == null || this.returnCallback == returnCallback,
            "Only one ReturnCallback is supported by each RabbitTemplate");
    this.returnCallback = returnCallback;
}

From source file:org.cleverbus.api.route.AbstractBasicRoute.java

/**
 * Returns bean by its type from registry.
 *
 * @param type the type of the registered bean
 * @return bean of specified type/*from  ww  w.ja  va 2  s.co  m*/
 */
protected final <T> T getBean(Class<T> type) {
    Set<T> beans = getContext().getRegistry().findByType(type);

    Assert.state(beans.size() == 1, "there is more beans of type " + type);

    return beans.iterator().next();
}

From source file:com.github.hateoas.forms.spring.AffordanceBuilder.java

/**
 * Copy of {@link ServletUriComponentsBuilder#getCurrentRequest()} until SPR-10110 gets fixed.
 *
 * @return request// w ww.  j a  v a 2s. c  om
 */
private static HttpServletRequest getCurrentRequest() {

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

From source file:org.opennms.web.controller.ksc.AscoTlcCustomViewController.java

/**
 * <p>afterPropertiesSet</p>
 *
 * @throws java.lang.Exception if any./*from  w  w  w  .  j  av a  2 s .c o  m*/
 */
public void afterPropertiesSet() throws Exception {
    Assert.state(m_kscReportFactory != null, "property kscReportFactory must be set");
    Assert.state(m_kscReportService != null, "property kscReportService must be set");
    Assert.state(m_resourceService != null, "property resourceService must be set");
    Assert.state(m_defaultGraphsPerLine != 0, "property defaultGraphsPerLine must be set");

    m_executor = Executors.newSingleThreadExecutor();
}