Java Code Examples for org.springframework.util.ObjectUtils#nullSafeToString()

@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
	if (ReflectionUtils.isEqualsMethod(method)) {
		// Only consider equal when proxies are identical.
		return (proxy == args[0]);
	}
	else if (ReflectionUtils.isHashCodeMethod(method)) {
		// Use hashCode of reference proxy.
		return System.identityHashCode(proxy);
	}
	else if (!initialized && ReflectionUtils.isToStringMethod(method)) {
		return "Early singleton proxy for interfaces " +
				ObjectUtils.nullSafeToString(getEarlySingletonInterfaces());
	}
	try {
		return method.invoke(getSingletonInstance(), args);
	}
	catch (InvocationTargetException ex) {
		throw ex.getTargetException();
	}
}
 

@Override
public PersistenceUnitInfo obtainDefaultPersistenceUnitInfo() {
	if (this.persistenceUnitInfoNames.isEmpty()) {
		throw new IllegalStateException("No persistence units parsed from " +
				ObjectUtils.nullSafeToString(this.persistenceXmlLocations));
	}
	if (this.persistenceUnitInfos.isEmpty()) {
		throw new IllegalStateException("All persistence units from " +
				ObjectUtils.nullSafeToString(this.persistenceXmlLocations) + " already obtained");
	}
	if (this.persistenceUnitInfos.size() > 1) {
		return obtainPersistenceUnitInfo(this.defaultPersistenceUnitName);
	}
	PersistenceUnitInfo pui = this.persistenceUnitInfos.values().iterator().next();
	this.persistenceUnitInfos.clear();
	return pui;
}
 

@Override
public PersistenceUnitInfo obtainDefaultPersistenceUnitInfo() {
	if (this.persistenceUnitInfoNames.isEmpty()) {
		throw new IllegalStateException("No persistence units parsed from " +
				ObjectUtils.nullSafeToString(this.persistenceXmlLocations));
	}
	if (this.persistenceUnitInfos.isEmpty()) {
		throw new IllegalStateException("All persistence units from " +
				ObjectUtils.nullSafeToString(this.persistenceXmlLocations) + " already obtained");
	}
	if (this.persistenceUnitInfos.size() > 1) {
		return obtainPersistenceUnitInfo(this.defaultPersistenceUnitName);
	}
	PersistenceUnitInfo pui = this.persistenceUnitInfos.values().iterator().next();
	this.persistenceUnitInfos.clear();
	return pui;
}
 

@Override
public PersistenceUnitInfo obtainDefaultPersistenceUnitInfo() {
	if (this.persistenceUnitInfoNames.isEmpty()) {
		throw new IllegalStateException("No persistence units parsed from " +
				ObjectUtils.nullSafeToString(this.persistenceXmlLocations));
	}
	if (this.persistenceUnitInfos.isEmpty()) {
		throw new IllegalStateException("All persistence units from " +
				ObjectUtils.nullSafeToString(this.persistenceXmlLocations) + " already obtained");
	}
	if (this.persistenceUnitInfos.size() > 1 && this.defaultPersistenceUnitName != null) {
		return obtainPersistenceUnitInfo(this.defaultPersistenceUnitName);
	}
	PersistenceUnitInfo pui = this.persistenceUnitInfos.values().iterator().next();
	this.persistenceUnitInfos.clear();
	return pui;
}
 

@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
	if (ReflectionUtils.isEqualsMethod(method)) {
		// Only consider equal when proxies are identical.
		return (proxy == args[0]);
	}
	else if (ReflectionUtils.isHashCodeMethod(method)) {
		// Use hashCode of reference proxy.
		return System.identityHashCode(proxy);
	}
	else if (!initialized && ReflectionUtils.isToStringMethod(method)) {
		return "Early singleton proxy for interfaces " +
				ObjectUtils.nullSafeToString(getEarlySingletonInterfaces());
	}
	try {
		return method.invoke(getSingletonInstance(), args);
	}
	catch (InvocationTargetException ex) {
		throw ex.getTargetException();
	}
}
 

private Map<String, Object> buildExportProperties() {
	Map<String, Object> props = new HashMap<>();
	if (!ObjectUtils.isEmpty(this.properties)) {
		Map<String, String> target = bindProperties();

		BeanExpressionResolver beanExpressionResolver = ((ConfigurableApplicationContext) this.applicationContext)
				.getBeanFactory().getBeanExpressionResolver();
		BeanExpressionContext expressionContext = new BeanExpressionContext(
				((ConfigurableApplicationContext) this.applicationContext)
						.getBeanFactory(),
				null);
		for (Entry<String, String> entry : target.entrySet()) {
			if (isMatch(entry.getKey(), this.properties, null)) {
				String stringValue = ObjectUtils.nullSafeToString(entry.getValue());
				Object exportedValue = null;
				if (stringValue != null) {
					exportedValue = stringValue.startsWith("#{")
							? beanExpressionResolver.evaluate(
									this.environment.resolvePlaceholders(stringValue),
									expressionContext)
							: this.environment.resolvePlaceholders(stringValue);
				}

				props.put(entry.getKey(), exportedValue);
			}
		}
	}
	return props;
}
 

/**
 * Raise a NoSuchBeanDefinitionException for an unresolvable dependency.
 */
private void raiseNoSuchBeanDefinitionException(
		Class<?> type, String dependencyDescription, DependencyDescriptor descriptor)
		throws NoSuchBeanDefinitionException {

	throw new NoSuchBeanDefinitionException(type, dependencyDescription,
			"expected at least 1 bean which qualifies as autowire candidate for this dependency. " +
			"Dependency annotations: " + ObjectUtils.nullSafeToString(descriptor.getAnnotations()));
}
 

/**
 * Create a new conversion exception.
 * @param sourceType the value's original type
 * @param targetType the value's target type
 * @param value the value we tried to convert
 * @param cause the cause of the conversion failure
 */
public ConversionFailedException(TypeDescriptor sourceType, TypeDescriptor targetType, Object value, Throwable cause) {
	super("Failed to convert from type [" + sourceType + "] to type [" + targetType +
			"] for value '" + ObjectUtils.nullSafeToString(value) + "'", cause);
	this.sourceType = sourceType;
	this.targetType = targetType;
	this.value = value;
}
 

@Override
public String getMinAsString() {
	return ObjectUtils.nullSafeToString(min);
}
 

@Override
public String toString() {
	return getClass().getName() + ": advice [" + getAdvice() +
			"], pointcut patterns " + ObjectUtils.nullSafeToString(this.patterns);
}
 

@Override
public String toString() {
	return getClass().getName() + ": advice [" + getAdvice() +
			"], pointcut patterns " + ObjectUtils.nullSafeToString(this.patterns);
}
 

@Override
public String toString() {
	return "Field error in object '" + getObjectName() + "' on field '" + this.field +
			"': rejected value [" + ObjectUtils.nullSafeToString(this.rejectedValue) + "]; " +
			resolvableToString();
}
 

@Override
public String toString() {
	return getClass().getName() + ": advice [" + getAdvice() +
			"], pointcut patterns " + ObjectUtils.nullSafeToString(this.patterns);
}
 

@Override
public String getMaxAsString() {
	return ObjectUtils.nullSafeToString(max);
}
 

@Override
public String toString() {
	return getClass().getName() + ": advice [" + getAdvice() +
			"], pointcut patterns " + ObjectUtils.nullSafeToString(this.patterns);
}
 

public String printDoubles(double[] d) {
	return ObjectUtils.nullSafeToString(d);
}
 

private final String contextKey(String... locations) {
	return ObjectUtils.nullSafeToString(locations);
}
 

@Override
public String toString() {
	return getClass().getName() + ": patterns " + ObjectUtils.nullSafeToString(this.patterns) +
			", excluded patterns " + ObjectUtils.nullSafeToString(this.excludedPatterns);
}
 

/**
 * Assert two objects are not equal and raise an {@link AssertionError} otherwise.
 * <p>For example:
 * <pre class="code">
 * assertNotEquals("Response header [" + name + "]", expected, actual);
 * </pre>
 * @param message describes the value being checked
 * @param expected the expected value
 * @param actual the actual value
 */
public static void assertNotEquals(String message, @Nullable Object expected, @Nullable Object actual) {
	if (ObjectUtils.nullSafeEquals(expected, actual)) {
		throw new AssertionError(message + " was not expected to be:" +
				"<" + ObjectUtils.nullSafeToString(actual) + ">");
	}
}
 

/**
 * Assert two objects are not equal and raise an {@link AssertionError} otherwise.
 * <p>For example:
 * <pre class="code">
 * assertNotEquals("Response header [" + name + "]", expected, actual);
 * </pre>
 * @param message describes the value being checked
 * @param expected the expected value
 * @param actual the actual value
 */
public static void assertNotEquals(String message, @Nullable Object expected, @Nullable Object actual) {
	if (ObjectUtils.nullSafeEquals(expected, actual)) {
		throw new AssertionError(message + " was not expected to be:" +
				"<" + ObjectUtils.nullSafeToString(actual) + ">");
	}
}