DATACMNS-985 - Remove references to single-argument assertion methods.

src/main/java/org/springframework/data/auditing/AuditingHandler.java

@@ -82,7 +82,7 @@ public class AuditingHandler implements InitializingBean {
 	 */
 	public void setAuditorAware(final AuditorAware<?> auditorAware) {
 
-		Assert.notNull(auditorAware);
+		Assert.notNull(auditorAware, "AuditorAware must not be null!");
 		this.auditorAware = auditorAware;
 	}
 

src/main/java/org/springframework/data/config/BeanComponentDefinitionBuilder.java

@@ -43,8 +43,8 @@ public class BeanComponentDefinitionBuilder {
 	 */
 	public BeanComponentDefinitionBuilder(Element defaultSource, ParserContext context) {
 
-		Assert.notNull(defaultSource);
-		Assert.notNull(context);
+		Assert.notNull(defaultSource, "DefaultSource must not be null!");
+		Assert.notNull(context, "Context must not be null!");
 
 		this.defaultSource = defaultSource;
 		this.context = context;
@@ -58,7 +58,7 @@ public class BeanComponentDefinitionBuilder {
 	 */
 	public BeanComponentDefinition getComponent(BeanDefinitionBuilder builder) {
 
-		Assert.notNull(builder);
+		Assert.notNull(builder, "Builder must not be null!");
 
 		AbstractBeanDefinition definition = builder.getRawBeanDefinition();
 		String name = BeanDefinitionReaderUtils.generateBeanName(definition, context.getRegistry(), context.isNested());
@@ -76,7 +76,7 @@ public class BeanComponentDefinitionBuilder {
 	 */
 	public BeanComponentDefinition getComponentIdButFallback(BeanDefinitionBuilder builder, String fallback) {
 
-		Assert.hasText(fallback);
+		Assert.hasText(fallback, "Fallback component id must not be null or empty!");
 
 		String id = defaultSource.getAttribute("id");
 		return getComponent(builder, StringUtils.hasText(id) ? id : fallback);
@@ -104,8 +104,8 @@ public class BeanComponentDefinitionBuilder {
 	 */
 	public BeanComponentDefinition getComponent(BeanDefinitionBuilder builder, String name, Object rawSource) {
 
-		Assert.notNull(builder);
-		Assert.hasText(name);
+		Assert.notNull(builder, "Builder must not be null!");
+		Assert.hasText(name, "Name of bean must not be null or empty!");
 
 		AbstractBeanDefinition definition = builder.getRawBeanDefinition();
 		definition.setSource(context.extractSource(rawSource));

src/main/java/org/springframework/data/convert/ConfigurableTypeInformationMapper.java

@@ -37,13 +37,13 @@ public class ConfigurableTypeInformationMapper implements TypeInformationMapper
 	private final Map<ClassTypeInformation<?>, Object> typeMap;
 
 	/**
-	 * Creates a new {@link ConfigurableTypeMapper} for the given type map.
+	 * Creates a new {@link ConfigurableTypeInformationMapper} for the given type map.
 	 * 
 	 * @param sourceTypeMap must not be {@literal null}.
 	 */
 	public ConfigurableTypeInformationMapper(Map<? extends Class<?>, String> sourceTypeMap) {
 
-		Assert.notNull(sourceTypeMap);
+		Assert.notNull(sourceTypeMap, "SourceTypeMap must not be null!");
 		this.typeMap = new HashMap<ClassTypeInformation<?>, Object>(sourceTypeMap.size());
 
 		for (Entry<? extends Class<?>, String> entry : sourceTypeMap.entrySet()) {

src/main/java/org/springframework/data/convert/DefaultTypeMapper.java

@@ -77,8 +77,8 @@ public class DefaultTypeMapper<S> implements TypeMapper<S> {
 			MappingContext<? extends PersistentEntity<?, ?>, ?> mappingContext,
 			List<? extends TypeInformationMapper> additionalMappers) {
 
-		Assert.notNull(accessor);
-		Assert.notNull(additionalMappers);
+		Assert.notNull(accessor, "Accessor must not be null!");
+		Assert.notNull(additionalMappers, "AdditionalMappers must not be null!");
 
 		List<TypeInformationMapper> mappers = new ArrayList<TypeInformationMapper>(additionalMappers.size() + 1);
 		if (mappingContext != null) {
@@ -97,7 +97,7 @@ public class DefaultTypeMapper<S> implements TypeMapper<S> {
 	 */
 	public TypeInformation<?> readType(S source) {
 
-		Assert.notNull(source);
+		Assert.notNull(source, "Source object must not be null!");
 
 		Object alias = accessor.readAliasFrom(source);
 		return alias == null ? null : getFromCacheOrCreate(alias);
@@ -138,7 +138,7 @@ public class DefaultTypeMapper<S> implements TypeMapper<S> {
 	@SuppressWarnings("unchecked")
 	public <T> TypeInformation<? extends T> readType(S source, TypeInformation<T> basicType) {
 
-		Assert.notNull(source);
+		Assert.notNull(source, "Source object must not be null!");
 		Class<?> documentsTargetType = getDefaultedTypeToBeUsed(source);
 
 		if (documentsTargetType == null) {
@@ -198,7 +198,7 @@ public class DefaultTypeMapper<S> implements TypeMapper<S> {
 	 */
 	public void writeType(TypeInformation<?> info, S sink) {
 
-		Assert.notNull(info);
+		Assert.notNull(info, "TypeInformation must not be null!");
 
 		Object alias = getAliasFor(info);
 		if (alias != null) {
@@ -215,7 +215,7 @@ public class DefaultTypeMapper<S> implements TypeMapper<S> {
 	 */
 	protected final Object getAliasFor(TypeInformation<?> info) {
 
-		Assert.notNull(info);
+		Assert.notNull(info, "TypeInformation must not be null!");
 
 		for (TypeInformationMapper mapper : mappers) {
 			Object alias = mapper.createAliasFor(info);

src/main/java/org/springframework/data/convert/EntityInstantiators.java

@@ -62,14 +62,14 @@ public class EntityInstantiators {
 	 * Creates a new {@link EntityInstantiator} using the given fallback {@link EntityInstantiator} and the given custom
 	 * ones.
 	 * 
-	 * @param fallback must not be {@literal null}.
+	 * @param defaultInstantiator must not be {@literal null}.
 	 * @param customInstantiators must not be {@literal null}.
 	 */
 	public EntityInstantiators(EntityInstantiator defaultInstantiator,
 			Map<Class<?>, EntityInstantiator> customInstantiators) {
 
-		Assert.notNull(defaultInstantiator);
-		Assert.notNull(customInstantiators);
+		Assert.notNull(defaultInstantiator, "DefaultInstantiator must not be null!");
+		Assert.notNull(customInstantiators, "CustomInstantiators must not be null!");
 
 		this.fallback = defaultInstantiator;
 		this.customInstantiators = customInstantiators;
@@ -83,7 +83,7 @@ public class EntityInstantiators {
 	 */
 	public EntityInstantiator getInstantiatorFor(PersistentEntity<?, ?> entity) {
 
-		Assert.notNull(entity);
+		Assert.notNull(entity, "Entity must not be null!");
 		Class<?> type = entity.getType();
 
 		if (!customInstantiators.containsKey(type)) {

src/main/java/org/springframework/data/convert/MappingContextTypeInformationMapper.java

@@ -46,7 +46,7 @@ public class MappingContextTypeInformationMapper implements TypeInformationMappe
 	 */
 	public MappingContextTypeInformationMapper(MappingContext<? extends PersistentEntity<?, ?>, ?> mappingContext) {
 
-		Assert.notNull(mappingContext);
+		Assert.notNull(mappingContext, "MappingContext must not be null!");
 
 		this.typeMap = new ConcurrentHashMap<ClassTypeInformation<?>, CacheValue<Object>>();
 		this.mappingContext = mappingContext;

src/main/java/org/springframework/data/domain/jaxb/SpringDataJaxb.java

@@ -110,7 +110,7 @@ public abstract class SpringDataJaxb {
 	 */
 	public static <T, S> List<T> unmarshal(Collection<S> source, XmlAdapter<S, T> adapter) {
 
-		Assert.notNull(adapter);
+		Assert.notNull(adapter, "Adapter must not be null!");
 
 		if (source == null || source.isEmpty()) {
 			return Collections.emptyList();
@@ -138,7 +138,7 @@ public abstract class SpringDataJaxb {
 	 */
 	public static <T, S> List<S> marshal(Iterable<T> source, XmlAdapter<S, T> adapter) {
 
-		Assert.notNull(adapter);
+		Assert.notNull(adapter, "Adapter must not be null!");
 
 		if (source == null) {
 			return Collections.emptyList();

src/main/java/org/springframework/data/geo/Box.java

@@ -40,8 +40,8 @@ public class Box implements Shape {
 	 */
 	public Box(Point first, Point second) {
 
-		Assert.notNull(first);
-		Assert.notNull(second);
+		Assert.notNull(first, "First point must not be null!");
+		Assert.notNull(second, "Second point must not be null!");
 
 		this.first = first;
 		this.second = second;

src/main/java/org/springframework/data/geo/Circle.java

@@ -42,8 +42,8 @@ public class Circle implements Shape {
 	@PersistenceConstructor
 	public Circle(Point center, Distance radius) {
 
-		Assert.notNull(center);
-		Assert.notNull(radius);
+		Assert.notNull(center, "Center point must not be null!");
+		Assert.notNull(radius, "Radius must not be null!");
 		Assert.isTrue(radius.getValue() >= 0, "Radius must not be negative!");
 
 		this.center = center;

src/main/java/org/springframework/data/geo/GeoResult.java

@@ -41,8 +41,8 @@ public class GeoResult<T> implements Serializable {
 	 */
 	public GeoResult(T content, Distance distance) {
 
-		Assert.notNull(content);
-		Assert.notNull(distance);
+		Assert.notNull(content, "Content must not be null!");
+		Assert.notNull(distance, "Distance must not be null!");
 
 		this.content = content;
 		this.distance = distance;

src/main/java/org/springframework/data/geo/GeoResults.java

@@ -68,7 +68,7 @@ public class GeoResults<T> implements Iterable<GeoResult<T>>, Serializable {
 	@PersistenceConstructor
 	public GeoResults(List<? extends GeoResult<T>> results, Distance averageDistance) {
 
-		Assert.notNull(results);
+		Assert.notNull(results, "Results must not be null!");
 
 		this.results = results;
 		this.averageDistance = averageDistance;

src/main/java/org/springframework/data/geo/Point.java

@@ -55,7 +55,7 @@ public class Point implements Serializable {
 	 */
 	public Point(Point point) {
 
-		Assert.notNull(point);
+		Assert.notNull(point, "Source point must not be null!");
 
 		this.x = point.x;
 		this.y = point.y;

src/main/java/org/springframework/data/geo/Polygon.java

@@ -51,7 +51,7 @@ public class Polygon implements Iterable<Point>, Shape {
 		Assert.notNull(x, "X coordinate must not be null!");
 		Assert.notNull(y, "Y coordinate must not be null!");
 		Assert.notNull(z, "Z coordinate must not be null!");
-		Assert.notNull(others);
+		Assert.notNull(others, "Others must not be null!");
 
 		List<Point> points = new ArrayList<Point>(3 + others.length);
 		points.addAll(Arrays.asList(x, y, z));
@@ -68,13 +68,13 @@ public class Polygon implements Iterable<Point>, Shape {
 	@PersistenceConstructor
 	public Polygon(List<? extends Point> points) {
 
-		Assert.notNull(points);
+		Assert.notNull(points, "Points must not be null!");
 
 		List<Point> pointsToSet = new ArrayList<Point>(points.size());
 
 		for (Point point : points) {
 
-			Assert.notNull(point);
+			Assert.notNull(point, "Single Point in Polygon must not be null!");
 			pointsToSet.add(point);
 		}
 

src/main/java/org/springframework/data/history/AnnotationRevisionMetadata.java

@@ -45,7 +45,7 @@ public class AnnotationRevisionMetadata<N extends Number & Comparable<N>> implem
 	public AnnotationRevisionMetadata(final Object entity, Class<? extends Annotation> revisionNumberAnnotation,
 			Class<? extends Annotation> revisionTimeStampAnnotation) {
 
-		Assert.notNull(entity);
+		Assert.notNull(entity, "Entity must not be null!");
 		this.entity = entity;
 
 		if (revisionNumberAnnotation != null) {

src/main/java/org/springframework/data/history/Revision.java

@@ -37,8 +37,8 @@ public final class Revision<N extends Number & Comparable<N>, T> implements Comp
 	 */
 	public Revision(RevisionMetadata<N> metadata, T entity) {
 
-		Assert.notNull(metadata);
-		Assert.notNull(entity);
+		Assert.notNull(metadata, "Metadata must not be null!");
+		Assert.notNull(entity, "Entity must not be null!");
 
 		this.metadata = metadata;
 		this.entity = entity;

src/main/java/org/springframework/data/history/Revisions.java

@@ -51,7 +51,7 @@ public class Revisions<N extends Number & Comparable<N>, T> implements Iterable<
 	 */
 	private Revisions(List<? extends Revision<N, T>> revisions, boolean latestLast) {
 
-		Assert.notNull(revisions);
+		Assert.notNull(revisions, "Revisions must not be null!");
 		this.revisions = new ArrayList<Revision<N, T>>(revisions);
 		this.latestLast = latestLast;
 

src/main/java/org/springframework/data/mapping/PreferredConstructor.java

@@ -58,8 +58,8 @@ public class PreferredConstructor<T, P extends PersistentProperty<P>> {
 	 */
 	public PreferredConstructor(Constructor<T> constructor, Parameter<Object, P>... parameters) {
 
-		Assert.notNull(constructor);
-		Assert.notNull(parameters);
+		Assert.notNull(constructor, "Constructor must not be null!");
+		Assert.notNull(parameters, "Parameters must not be null!");
 
 		ReflectionUtils.makeAccessible(constructor);
 		this.constructor = constructor;
@@ -122,7 +122,7 @@ public class PreferredConstructor<T, P extends PersistentProperty<P>> {
 	 */
 	public boolean isConstructorParameter(PersistentProperty<?> property) {
 
-		Assert.notNull(property);
+		Assert.notNull(property, "Property must not be null!");
 
 		try {
 
@@ -166,7 +166,7 @@ public class PreferredConstructor<T, P extends PersistentProperty<P>> {
 	 */
 	public boolean isEnclosingClassParameter(Parameter<?, P> parameter) {
 
-		Assert.notNull(parameter);
+		Assert.notNull(parameter, "Parameter must not be null!");
 
 		if (parameters.isEmpty() || !parameter.isEnclosingClassParameter()) {
 			return false;
@@ -203,8 +203,8 @@ public class PreferredConstructor<T, P extends PersistentProperty<P>> {
 		 */
 		public Parameter(String name, TypeInformation<T> type, Annotation[] annotations, PersistentEntity<T, P> entity) {
 
-			Assert.notNull(type);
-			Assert.notNull(annotations);
+			Assert.notNull(type, "Type must not be null!");
+			Assert.notNull(annotations, "Annotations must not be null!");
 
 			this.name = name;
 			this.type = type;

src/main/java/org/springframework/data/mapping/context/AbstractMappingContext.java

@@ -160,7 +160,7 @@ public abstract class AbstractMappingContext<E extends MutablePersistentEntity<?
 	 */
 	public E getPersistentEntity(TypeInformation<?> type) {
 
-		Assert.notNull(type);
+		Assert.notNull(type, "Type must not be null!");
 
 		try {
 			read.lock();

src/main/java/org/springframework/data/mapping/context/DefaultPersistentPropertyPath.java

@@ -51,7 +51,7 @@ class DefaultPersistentPropertyPath<T extends PersistentProperty<T>> implements
 	 */
 	public DefaultPersistentPropertyPath(List<T> properties) {
 
-		Assert.notNull(properties);
+		Assert.notNull(properties, "Properties must not be null!");
 
 		this.properties = properties;
 	}

src/main/java/org/springframework/data/mapping/context/MappingContextEvent.java

@@ -46,8 +46,8 @@ public class MappingContextEvent<E extends PersistentEntity<?, P>, P extends Per
 
 		super(source);
 
-		Assert.notNull(source);
-		Assert.notNull(entity);
+		Assert.notNull(source, "Source MappingContext must not be null!");
+		Assert.notNull(entity, "Entity must not be null!");
 
 		this.source = source;
 		this.entity = entity;

src/main/java/org/springframework/data/mapping/model/AbstractPersistentProperty.java

@@ -58,8 +58,8 @@ public abstract class AbstractPersistentProperty<P extends PersistentProperty<P>
 	public AbstractPersistentProperty(Field field, PropertyDescriptor propertyDescriptor, PersistentEntity<?, P> owner,
 			SimpleTypeHolder simpleTypeHolder) {
 
-		Assert.notNull(simpleTypeHolder);
-		Assert.notNull(owner);
+		Assert.notNull(simpleTypeHolder, "SimpleTypeHolder must not be null!");
+		Assert.notNull(owner, "Owner entity must not be null!");
 
 		this.name = field == null ? propertyDescriptor.getName() : field.getName();
 		this.rawType = field == null ? propertyDescriptor.getPropertyType() : field.getType();

src/main/java/org/springframework/data/mapping/model/BasicPersistentEntity.java

@@ -96,7 +96,7 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 	 */
 	public BasicPersistentEntity(TypeInformation<T> information, Comparator<P> comparator) {
 
-		Assert.notNull(information);
+		Assert.notNull(information, "Information must not be null!");
 
 		this.information = information;
 		this.properties = new ArrayList<P>();
@@ -188,7 +188,7 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 	 */
 	public void addPersistentProperty(P property) {
 
-		Assert.notNull(property);
+		Assert.notNull(property, "Property must not be null!");
 
 		if (properties.contains(property)) {
 			return;
@@ -323,7 +323,7 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 	 */
 	public void doWithProperties(PropertyHandler<P> handler) {
 
-		Assert.notNull(handler);
+		Assert.notNull(handler, "Handler must not be null!");
 
 		for (P property : properties) {
 			if (!property.isTransient() && !property.isAssociation()) {
@@ -339,7 +339,7 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 	@Override
 	public void doWithProperties(SimplePropertyHandler handler) {
 
-		Assert.notNull(handler);
+		Assert.notNull(handler, "Handler must not be null!");
 
 		for (PersistentProperty<?> property : properties) {
 			if (!property.isTransient() && !property.isAssociation()) {
@@ -354,7 +354,7 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 	 */
 	public void doWithAssociations(AssociationHandler<P> handler) {
 
-		Assert.notNull(handler);
+		Assert.notNull(handler, "Handler must not be null!");
 
 		for (Association<P> association : associations) {
 			handler.doWithAssociation(association);
@@ -367,7 +367,7 @@ public class BasicPersistentEntity<T, P extends PersistentProperty<P>> implement
 	 */
 	public void doWithAssociations(SimpleAssociationHandler handler) {
 
-		Assert.notNull(handler);
+		Assert.notNull(handler, "Handler must not be null!");
 
 		for (Association<? extends PersistentProperty<?>> association : associations) {
 			handler.doWithAssociation(association);

src/main/java/org/springframework/data/mapping/model/PersistentEntityParameterValueProvider.java

@@ -47,8 +47,8 @@ public class PersistentEntityParameterValueProvider<P extends PersistentProperty
 	public PersistentEntityParameterValueProvider(PersistentEntity<?, P> entity, PropertyValueProvider<P> provider,
 			Object parent) {
 
-		Assert.notNull(entity);
-		Assert.notNull(provider);
+		Assert.notNull(entity, "Entity must not be null!");
+		Assert.notNull(provider, "Provider must not be null!");
 
 		this.entity = entity;
 		this.provider = provider;

src/main/java/org/springframework/data/mapping/model/SimpleTypeHolder.java

@@ -86,7 +86,7 @@ public class SimpleTypeHolder {
 	 */
 	public SimpleTypeHolder(Set<? extends Class<?>> customSimpleTypes, boolean registerDefaults) {
 
-		Assert.notNull(customSimpleTypes);
+		Assert.notNull(customSimpleTypes, "CustomSimpleTypes must not be null!");
 		this.simpleTypes = new CopyOnWriteArraySet<Class<?>>(customSimpleTypes);
 
 		if (registerDefaults) {
@@ -102,8 +102,8 @@ public class SimpleTypeHolder {
 	 */
 	public SimpleTypeHolder(Set<? extends Class<?>> customSimpleTypes, SimpleTypeHolder source) {
 
-		Assert.notNull(customSimpleTypes);
-		Assert.notNull(source);
+		Assert.notNull(customSimpleTypes, "CustomSimpleTypes must not be null!");
+		Assert.notNull(source, "SourceTypeHolder must not be null!");
 
 		this.simpleTypes = new CopyOnWriteArraySet<Class<?>>(customSimpleTypes);
 		this.simpleTypes.addAll(source.simpleTypes);
@@ -117,7 +117,7 @@ public class SimpleTypeHolder {
 	 */
 	public boolean isSimpleType(Class<?> type) {
 
-		Assert.notNull(type);
+		Assert.notNull(type, "Type must not be null!");
 
 		if (Object.class.equals(type) || simpleTypes.contains(type)) {
 			return true;

src/main/java/org/springframework/data/repository/cdi/CdiRepositoryBean.java

@@ -86,10 +86,10 @@ public abstract class CdiRepositoryBean<T> implements Bean<T>, PassivationCapabl
 	public CdiRepositoryBean(Set<Annotation> qualifiers, Class<T> repositoryType, BeanManager beanManager,
 			CustomRepositoryImplementationDetector detector) {
 
-		Assert.notNull(qualifiers);
-		Assert.notNull(beanManager);
-		Assert.notNull(repositoryType);
-		Assert.isTrue(repositoryType.isInterface());
+		Assert.notNull(qualifiers, "Qualifiers must not be null!");
+		Assert.notNull(beanManager, "BeanManager must not be null!");
+		Assert.notNull(repositoryType, "Repoitory type must not be null!");
+		Assert.isTrue(repositoryType.isInterface(), "RepositoryType must be an interface!");
 
 		this.qualifiers = qualifiers;
 		this.repositoryType = repositoryType;

src/main/java/org/springframework/data/repository/config/AnnotationRepositoryConfigurationSource.java

@@ -67,7 +67,7 @@ public class AnnotationRepositoryConfigurationSource extends RepositoryConfigura
 	 * Creates a new {@link AnnotationRepositoryConfigurationSource} from the given {@link AnnotationMetadata} and
 	 * annotation.
 	 * 
-	 * @param configMetadata must not be {@literal null}.
+	 * @param metadata must not be {@literal null}.
 	 * @param annotation must not be {@literal null}.
 	 * @param resourceLoader must not be {@literal null}.
 	 * @param environment
@@ -77,9 +77,9 @@ public class AnnotationRepositoryConfigurationSource extends RepositoryConfigura
 
 		super(environment);
 
-		Assert.notNull(metadata);
-		Assert.notNull(annotation);
-		Assert.notNull(resourceLoader);
+		Assert.notNull(metadata, "Metadata must not be null!");
+		Assert.notNull(annotation, "Annotation must not be null!");
+		Assert.notNull(resourceLoader, "ResourceLoader must not be null!");
 
 		this.attributes = new AnnotationAttributes(metadata.getAnnotationAttributes(annotation.getName()));
 		this.enableAnnotationMetadata = new StandardAnnotationMetadata(annotation);

src/main/java/org/springframework/data/repository/config/DefaultRepositoryConfiguration.java

@@ -44,8 +44,8 @@ public class DefaultRepositoryConfiguration<T extends RepositoryConfigurationSou
 	 */
 	public DefaultRepositoryConfiguration(T configurationSource, BeanDefinition definition) {
 
-		Assert.notNull(configurationSource);
-		Assert.notNull(definition);
+		Assert.notNull(configurationSource, "ConfigurationSource must not be null!");
+		Assert.notNull(definition, "BeanDefinition must not be null!");
 
 		this.configurationSource = configurationSource;
 		this.definition = definition;

src/main/java/org/springframework/data/repository/config/NamedQueriesBeanDefinitionBuilder.java

@@ -41,7 +41,7 @@ public class NamedQueriesBeanDefinitionBuilder {
 	 */
 	public NamedQueriesBeanDefinitionBuilder(String defaultLocation) {
 
-		Assert.hasText(defaultLocation);
+		Assert.hasText(defaultLocation, "DefaultLocation must not be null nor empty!");
 		this.defaultLocation = defaultLocation;
 	}
 
@@ -52,7 +52,7 @@ public class NamedQueriesBeanDefinitionBuilder {
 	 */
 	public void setLocations(String locations) {
 
-		Assert.hasText(locations);
+		Assert.hasText(locations, "Locations must not be null nor empty!");
 		this.locations = locations;
 	}
 

src/main/java/org/springframework/data/repository/config/NamedQueriesBeanDefinitionParser.java

@@ -46,7 +46,7 @@ public class NamedQueriesBeanDefinitionParser implements BeanDefinitionParser {
 	 * @param defaultLocation must be non-empty
 	 */
 	public NamedQueriesBeanDefinitionParser(String defaultLocation) {
-		Assert.hasText(defaultLocation);
+		Assert.hasText(defaultLocation, "DefaultLocation must not be null nor empty!");
 		this.defaultLocation = defaultLocation;
 	}
 

src/main/java/org/springframework/data/repository/config/RepositoryBeanDefinitionParser.java

@@ -47,7 +47,7 @@ public class RepositoryBeanDefinitionParser implements BeanDefinitionParser {
 	 */
 	public RepositoryBeanDefinitionParser(RepositoryConfigurationExtension extension) {
 
-		Assert.notNull(extension);
+		Assert.notNull(extension, "Extension must not be null!");
 		this.extension = extension;
 	}
 

src/main/java/org/springframework/data/repository/config/RepositoryComponentProvider.java

@@ -61,7 +61,7 @@ class RepositoryComponentProvider extends ClassPathScanningCandidateComponentPro
 
 		assertRequiredSpringVersionPresent();
 
-		Assert.notNull(includeFilters);
+		Assert.notNull(includeFilters, "Include filters must not be null!");
 
 		if (includeFilters.iterator().hasNext()) {
 			for (TypeFilter filter : includeFilters) {
@@ -204,7 +204,7 @@ class RepositoryComponentProvider extends ClassPathScanningCandidateComponentPro
 		 */
 		public AllTypeFilter(List<TypeFilter> delegates) {
 
-			Assert.notNull(delegates);
+			Assert.notNull(delegates, "TypeFilter deleages must not be null!");
 			this.delegates = delegates;
 		}
 

src/main/java/org/springframework/data/repository/config/RepositoryConfigurationDelegate.java

@@ -73,7 +73,7 @@ public class RepositoryConfigurationDelegate {
 
 		Assert.isTrue(isXml || isAnnotation,
 				"Configuration source must either be an Xml- or an AnnotationBasedConfigurationSource!");
-		Assert.notNull(resourceLoader);
+		Assert.notNull(resourceLoader, "ResourceLoader must not be null!");
 
 		RepositoryBeanNameGenerator generator = new RepositoryBeanNameGenerator();
 		generator.setBeanClassLoader(resourceLoader.getClassLoader());

src/main/java/org/springframework/data/repository/config/RepositoryConfigurationExtensionSupport.java

@@ -76,8 +76,8 @@ public abstract class RepositoryConfigurationExtensionSupport implements Reposit
 	public <T extends RepositoryConfigurationSource> Collection<RepositoryConfiguration<T>> getRepositoryConfigurations(
 			T configSource, ResourceLoader loader, boolean strictMatchesOnly) {
 
-		Assert.notNull(configSource);
-		Assert.notNull(loader);
+		Assert.notNull(configSource, "ConfigSource must not be null!");
+		Assert.notNull(loader, "Loader must not be null!");
 
 		Set<RepositoryConfiguration<T>> result = new HashSet<RepositoryConfiguration<T>>();
 

src/main/java/org/springframework/data/repository/config/XmlRepositoryConfigurationSource.java

@@ -62,8 +62,8 @@ public class XmlRepositoryConfigurationSource extends RepositoryConfigurationSou
 
 		super(environment);
 
-		Assert.notNull(element);
-		Assert.notNull(context);
+		Assert.notNull(element, "Element must not be null!");
+		Assert.notNull(context, "Context must not be null!");
 
 		this.element = element;
 		this.context = context;

src/main/java/org/springframework/data/repository/core/support/AbstractEntityInformation.java

@@ -38,7 +38,7 @@ public abstract class AbstractEntityInformation<T, ID extends Serializable> impl
 	 */
 	public AbstractEntityInformation(Class<T> domainClass) {
 
-		Assert.notNull(domainClass);
+		Assert.notNull(domainClass, "DomainClass must not be null!");
 		this.domainClass = domainClass;
 	}
 

src/main/java/org/springframework/data/repository/core/support/DefaultRepositoryInformation.java

@@ -73,8 +73,8 @@ class DefaultRepositoryInformation implements RepositoryInformation {
 	public DefaultRepositoryInformation(RepositoryMetadata metadata, Class<?> repositoryBaseClass,
 			Class<?> customImplementationClass) {
 
-		Assert.notNull(metadata);
-		Assert.notNull(repositoryBaseClass);
+		Assert.notNull(metadata, "Metadata must not be null!");
+		Assert.notNull(repositoryBaseClass, "RepositoryBaseClass must not be null!");
 
 		this.metadata = metadata;
 		this.repositoryBaseClass = repositoryBaseClass;
@@ -146,7 +146,7 @@ class DefaultRepositoryInformation implements RepositoryInformation {
 	 */
 	private boolean isTargetClassMethod(Method method, Class<?> targetType) {
 
-		Assert.notNull(method);
+		Assert.notNull(method, "Method must not be null!");
 
 		if (targetType == null) {
 			return false;

src/main/java/org/springframework/data/repository/core/support/DelegatingEntityInformation.java

@@ -38,7 +38,7 @@ public class DelegatingEntityInformation<T, ID extends Serializable> implements
 	 */
 	public DelegatingEntityInformation(EntityInformation<T, ID> delegate) {
 
-		Assert.notNull(delegate);
+		Assert.notNull(delegate, "Delegate EnittyInformation must not be null!");
 		this.delegate = delegate;
 	}
 

src/main/java/org/springframework/data/repository/core/support/PropertiesBasedNamedQueries.java

@@ -37,7 +37,7 @@ public class PropertiesBasedNamedQueries implements NamedQueries {
 	 * @param properties
 	 */
 	public PropertiesBasedNamedQueries(Properties properties) {
-		Assert.notNull(properties);
+		Assert.notNull(properties, "Properties must not be null!");
 		this.properties = properties;
 	}
 

src/main/java/org/springframework/data/repository/core/support/ReflectionEntityInformation.java

@@ -58,7 +58,7 @@ public class ReflectionEntityInformation<T, ID extends Serializable> extends Abs
 	public ReflectionEntityInformation(Class<T> domainClass, final Class<? extends Annotation> annotation) {
 
 		super(domainClass);
-		Assert.notNull(annotation);
+		Assert.notNull(annotation, "Annotation must not be null!");
 
 		ReflectionUtils.doWithFields(domainClass, new FieldCallback() {
 			public void doWith(Field field) {

src/main/java/org/springframework/data/repository/core/support/RepositoryFactorySupport.java

@@ -153,7 +153,7 @@ public abstract class RepositoryFactorySupport implements BeanClassLoaderAware,
 	 */
 	public void addQueryCreationListener(QueryCreationListener<?> listener) {
 
-		Assert.notNull(listener);
+		Assert.notNull(listener, "Listener must not be null!");
 		this.queryPostProcessors.add(listener);
 	}
 

src/main/java/org/springframework/data/repository/core/support/TransactionalRepositoryProxyPostProcessor.java

@@ -70,8 +70,8 @@ class TransactionalRepositoryProxyPostProcessor implements RepositoryProxyPostPr
 	public TransactionalRepositoryProxyPostProcessor(ListableBeanFactory beanFactory, String transactionManagerName,
 			boolean enableDefaultTransaction) {
 
-		Assert.notNull(beanFactory);
-		Assert.notNull(transactionManagerName);
+		Assert.notNull(beanFactory, "BeanFactory must not be null!");
+		Assert.notNull(transactionManagerName, "TransactionManagerName must not be null!");
 
 		this.beanFactory = beanFactory;
 		this.transactionManagerName = transactionManagerName;

src/main/java/org/springframework/data/repository/init/RepositoriesPopulatedEvent.java

@@ -43,8 +43,8 @@ public class RepositoriesPopulatedEvent extends ApplicationEvent {
 
 		super(populator);
 
-		Assert.notNull(populator);
-		Assert.notNull(repositories);
+		Assert.notNull(populator, "Populator must not be null!");
+		Assert.notNull(repositories, "Repositories must not be null!");
 
 		this.repositories = repositories;
 	}

src/main/java/org/springframework/data/repository/init/ResourceReaderRepositoryPopulator.java

@@ -67,7 +67,7 @@ public class ResourceReaderRepositoryPopulator implements RepositoryPopulator, A
 	 */
 	public ResourceReaderRepositoryPopulator(ResourceReader reader, ClassLoader classLoader) {
 
-		Assert.notNull(reader);
+		Assert.notNull(reader, "Reader must not be null!");
 
 		this.reader = reader;
 		this.classLoader = classLoader;
@@ -82,7 +82,7 @@ public class ResourceReaderRepositoryPopulator implements RepositoryPopulator, A
 	 * @throws IOException
 	 */
 	public void setResourceLocation(String location) throws IOException {
-		Assert.hasText(location);
+		Assert.hasText(location, "Location must not be null!");
 		setResources(resolver.getResources(location));
 	}
 

src/main/java/org/springframework/data/repository/query/Parameter.java

@@ -54,7 +54,7 @@ public class Parameter {
 	 */
 	protected Parameter(MethodParameter parameter) {
 
-		Assert.notNull(parameter);
+		Assert.notNull(parameter, "MethodParameter must not be null!");
 
 		this.parameter = parameter;
 		this.parameterType = potentiallyUnwrapParameterType(parameter);

src/main/java/org/springframework/data/repository/query/Parameters.java

@@ -60,7 +60,7 @@ public abstract class Parameters<S extends Parameters<S, T>, T extends Parameter
 	 */
 	public Parameters(Method method) {
 
-		Assert.notNull(method);
+		Assert.notNull(method, "Method must not be null!");
 
 		List<Class<?>> types = Arrays.asList(method.getParameterTypes());
 

src/main/java/org/springframework/data/repository/query/ParametersParameterAccessor.java

@@ -42,8 +42,8 @@ public class ParametersParameterAccessor implements ParameterAccessor {
 	 */
 	public ParametersParameterAccessor(Parameters<?, ?> parameters, Object[] values) {
 
-		Assert.notNull(parameters);
-		Assert.notNull(values);
+		Assert.notNull(parameters, "Parameters must not be null!");
+		Assert.notNull(values, "Values must not be null!");
 
 		Assert.isTrue(parameters.getNumberOfParameters() == values.length, "Invalid number of parameters given!");
 

src/main/java/org/springframework/data/repository/query/QueryMethod.java

@@ -87,7 +87,7 @@ public class QueryMethod {
 			}
 		}
 
-		Assert.notNull(this.parameters);
+		Assert.notNull(this.parameters, String.format("Parameters extracted from method '%s' must not be null!", method.getName()));
 
 		if (isPageQuery()) {
 			Assert.isTrue(this.parameters.hasPageableParameter(),

src/main/java/org/springframework/data/repository/support/AnnotationAttribute.java

@@ -50,7 +50,7 @@ class AnnotationAttribute {
 	 */
 	public AnnotationAttribute(Class<? extends Annotation> annotationType, String attributeName) {
 
-		Assert.notNull(annotationType);
+		Assert.notNull(annotationType, "AnnotationType must not be null!");
 
 		this.annotationType = annotationType;
 		this.attributeName = attributeName;

src/main/java/org/springframework/data/repository/support/MethodParameters.java

@@ -54,7 +54,7 @@ class MethodParameters {
 	 */
 	public MethodParameters(Method method, AnnotationAttribute namingAnnotation) {
 
-		Assert.notNull(method);
+		Assert.notNull(method, "Method must not be null!");
 		this.parameters = new ArrayList<MethodParameter>();
 
 		for (int i = 0; i < method.getParameterTypes().length; i++) {
@@ -122,7 +122,7 @@ class MethodParameters {
 	 */
 	public List<MethodParameter> getParametersWith(Class<? extends Annotation> annotation) {
 
-		Assert.notNull(annotation);
+		Assert.notNull(annotation, "Annotation must not be null!");
 		List<MethodParameter> result = new ArrayList<MethodParameter>();
 
 		for (MethodParameter parameter : getParameters()) {

src/main/java/org/springframework/data/repository/support/Repositories.java

@@ -72,7 +72,7 @@ public class Repositories implements Iterable<Class<?>> {
 	 */
 	public Repositories(ListableBeanFactory factory) {
 
-		Assert.notNull(factory);
+		Assert.notNull(factory, "Factory must not be null!");
 
 		this.beanFactory = factory;
 		this.repositoryFactoryInfos = new HashMap<Class<?>, RepositoryFactoryInformation<Object, Serializable>>();

src/main/java/org/springframework/data/util/AnnotationDetectionFieldCallback.java

@@ -42,7 +42,7 @@ public class AnnotationDetectionFieldCallback implements FieldCallback {
 	 */
 	public AnnotationDetectionFieldCallback(Class<? extends Annotation> annotationType) {
 
-		Assert.notNull(annotationType);
+		Assert.notNull(annotationType, "AnnotationType must not be null!");
 		this.annotationType = annotationType;
 	}
 
@@ -83,7 +83,7 @@ public class AnnotationDetectionFieldCallback implements FieldCallback {
 	@SuppressWarnings("unchecked")
 	public <T> T getValue(Object source) {
 
-		Assert.notNull(source);
+		Assert.notNull(source, "Source object must not be null!");
 		return field == null ? null : (T) ReflectionUtils.getField(field, source);
 	}
 }

src/main/java/org/springframework/data/util/TypeDiscoverer.java

@@ -91,8 +91,8 @@ class TypeDiscoverer<S> implements TypeInformation<S> {
 	 */
 	protected TypeDiscoverer(Type type, Map<TypeVariable<?>, Type> typeVariableMap) {
 
-		Assert.notNull(type);
-		Assert.notNull(typeVariableMap);
+		Assert.notNull(type, "Type must not be null!");
+		Assert.notNull(typeVariableMap, "TypeVariableMap must not be null!");
 
 		this.type = type;
 		this.typeVariableMap = typeVariableMap;
@@ -447,7 +447,7 @@ class TypeDiscoverer<S> implements TypeInformation<S> {
 	 */
 	public TypeInformation<?> getReturnType(Method method) {
 
-		Assert.notNull(method);
+		Assert.notNull(method, "Method must not be null!");
 		return createInfo(method.getGenericReturnType());
 	}
 
@@ -532,7 +532,7 @@ class TypeDiscoverer<S> implements TypeInformation<S> {
 	@Override
 	public TypeInformation<?> specialize(ClassTypeInformation<?> type) {
 
-		Assert.isTrue(getType().isAssignableFrom(type.getType()));
+		Assert.isTrue(getType().isAssignableFrom(type.getType()), String.format("%s must be assignable from %s", getType(), type.getType()));
 
 		List<TypeInformation<?>> arguments = getTypeArguments();
 

src/main/java/org/springframework/data/util/TypeVariableTypeInformation.java

@@ -47,7 +47,7 @@ class TypeVariableTypeInformation<T> extends ParentTypeAwareTypeInformation<T> {
 			Map<TypeVariable<?>, Type> typeVariableMap) {
 
 		super(variable, parent, typeVariableMap);
-		Assert.notNull(variable);
+		Assert.notNull(variable, "TypeVariable must not be null!");
 		this.variable = variable;
 		this.owningType = owningType;
 	}

src/main/java/org/springframework/data/util/Version.java

@@ -42,8 +42,8 @@ public class Version implements Comparable<Version> {
 	 */
 	public Version(int... parts) {
 
-		Assert.notNull(parts);
-		Assert.isTrue(parts.length > 0 && parts.length < 5);
+		Assert.notNull(parts, "Parts must not be null!");
+		Assert.isTrue(parts.length > 0 && parts.length < 5, String.format("Invalid parts length. 0 < %s < 5", parts.length));
 
 		this.major = parts[0];
 		this.minor = parts.length > 1 ? parts[1] : 0;
@@ -64,7 +64,7 @@ public class Version implements Comparable<Version> {
 	 */
 	public static Version parse(String version) {
 
-		Assert.hasText(version);
+		Assert.hasText(version, "Version must not be null o empty!");
 
 		String[] parts = version.trim().split("\\.");
 		int[] intParts = new int[parts.length];

src/main/java/org/springframework/data/web/SortHandlerMethodArgumentResolver.java

@@ -64,7 +64,7 @@ public class SortHandlerMethodArgumentResolver implements SortArgumentResolver {
 	 */
 	public void setSortParameter(String sortParameter) {
 
-		Assert.hasText(sortParameter);
+		Assert.hasText(sortParameter, "SortParameter must not be null nor empty!");
 		this.sortParameter = sortParameter;
 	}