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## net.sf.saxon.type
Interface SimpleType

All Superinterfaces:
  SchemaComponent, SchemaType, java.io.Serializable

All Known Subinterfaces:
  AtomicType, ListType

All Known Implementing Classes:
  AnySimpleType, BuiltInAtomicType, BuiltInListType, ExternalObjectType, SimpleTypeDefinition, UserAtomicType, UserListType, UserSimpleType, UserUnionType

    public interface SimpleType

extends SchemaType

This interface represents a simple type, which may be a built-in simple type, or a user-defined simple type.

Field Summary

Fields inherited from interface net.sf.saxon.type.SchemaType
`DERIVATION_EXTENSION, DERIVATION_LIST, DERIVATION_RESTRICTION, DERIVATION_UNION, DERIVE_BY_SUBSTITUTION`

Fields inherited from interface net.sf.saxon.type.SchemaComponent
`FIXED_UP, INCOMPLETE, INVALID, UNVALIDATED, VALIDATED, VALIDATING`

Method Summary
`SchemaType` | `getBuiltInBaseType()` Get the built-in type from which this type is derived by restriction
`AtomicType` | `getCommonAtomicType()` Get the most specific possible atomic type that all items in this SimpleType belong to
`SequenceIterator` | `getTypedValue(java.lang.CharSequence value, NamespaceResolver resolver, NameChecker nameChecker)` Get the typed value corresponding to a given string value, assuming it is valid against this type
`int` | `getWhitespaceAction(TypeHierarchy th)` Determine how values of this simple type are whitespace-normalized.
`boolean` | `isAtomicType()` Test whether this Simple Type is an atomic type
`boolean` | `isBuiltInType()` Determine whether this is a built-in type or a user-defined type
`boolean` | `isExternalType()` Return true if this is an external object type, that is, a Saxon-defined type for external Java or .NET objects
`boolean` | `isListType()` Test whether this Simple Type is a list type
`boolean` | `isNamespaceSensitive()` Test whether this type is namespace sensitive, that is, if a namespace context is needed to translate between the lexical space and the value space.
`boolean` | `isUnionType()` Test whether this Simple Type is a union type
`ValidationFailure` | `validateContent(java.lang.CharSequence value, NamespaceResolver nsResolver, NameChecker nameChecker)` Check whether a given input string is valid according to this SimpleType

Methods inherited from interface net.sf.saxon.type.SchemaType
`allowsDerivation, analyzeContentExpression, atomize, checkTypeDerivationIsOK, getBaseType, getBlock, getDerivationMethod, getDescription, getDisplayName, getFingerprint, getName, getNameCode, getSystemId, getTargetNamespace, getTypedValue, isAnonymousType, isComplexType, isSameType, isSimpleType`

Methods inherited from interface net.sf.saxon.type.SchemaComponent
`getValidationStatus`

Method Detail

### isAtomicType

    boolean isAtomicType()

  Test whether this Simple Type is an atomic type

  Specified by:
    `isAtomicType` in interface `SchemaType`
  Returns:
    true if this is an atomic type

### isListType

    boolean isListType()

  Test whether this Simple Type is a list type

  Returns:
    true if this is a list type

### isUnionType

    boolean isUnionType()

  Test whether this Simple Type is a union type

  Returns:
    true if this is a union type

### isExternalType

    boolean isExternalType()

  Return true if this is an external object type, that is, a Saxon-defined type for external Java or .NET objects

  Returns:
    true if this is an external type

### getCommonAtomicType

    AtomicType getCommonAtomicType()

  Get the most specific possible atomic type that all items in this SimpleType belong to

  Returns:
    the lowest common supertype of all member types

### isBuiltInType

    boolean isBuiltInType()

  Determine whether this is a built-in type or a user-defined type

  Returns:
    true if this is a built-in type

### getBuiltInBaseType

    SchemaType getBuiltInBaseType()

  Get the built-in type from which this type is derived by restriction

  Returns:
    the built-in type from which this type is derived by restriction. This will not necessarily be a primitive type.

### getTypedValue

    SequenceIterator getTypedValue(java.lang.CharSequence value,
                                   NamespaceResolver resolver,
                                   NameChecker nameChecker)
                                   throws ValidationException

  Get the typed value corresponding to a given string value, assuming it is valid against this type

  Parameters:
    `value` - the string value
    `resolver` - a namespace resolver used to resolve any namespace prefixes appearing in the content of values. Can supply null, in which case any namespace-sensitive content will be rejected.
    `nameChecker` - a NameChecker used in the case of types that are defined in terms of the XML NCName syntax: this is used to check conformance to XML 1.0 or XML 1.1 naming rules, as appropriate
  Returns:
    an iterator over the atomic sequence comprising the typed value. The objects returned by this SequenceIterator will all be of type `AtomicValue`, The next() method on the iterator throws no checked exceptions, although it is not actually declared as an UnfailingIterator.
  Throws:
    `ValidationException` - if the supplied value is not in the lexical space of the data type

### validateContent

    ValidationFailure validateContent(java.lang.CharSequence value,
                                      NamespaceResolver nsResolver,
                                      NameChecker nameChecker)

  Check whether a given input string is valid according to this SimpleType

  Parameters:
    `value` - the input string to be checked
    `nsResolver` - a namespace resolver used to resolve namespace prefixes if the type is namespace sensitive. The value supplied may be null; in this case any namespace-sensitive content will throw an UnsupportedOperationException.
    `nameChecker` - XML 1.0 or 1.1 name checker, needed when types such as xs:NCName are used
  Returns:
    null if validation succeeds; return a ValidationFailure describing the validation failure if validation fails. Note that the exception is returned rather than being thrown.
  Throws:
    `java.lang.UnsupportedOperationException` - if the type is namespace-sensitive and no namespace resolver is supplied

### isNamespaceSensitive

    boolean isNamespaceSensitive()

  Test whether this type is namespace sensitive, that is, if a namespace context is needed to translate between the lexical space and the value space. This is true for types derived from, or containing, QNames and NOTATIONs

  Returns:
    true if the type is namespace-sensitive

### getWhitespaceAction

    int getWhitespaceAction(TypeHierarchy th)

  Determine how values of this simple type are whitespace-normalized.

  Parameters:
    `th` - the type hierarchy cache. Not needed in the case of a built-in type
  Returns:
    one of `Whitespace.PRESERVE`, `Whitespace.COLLAPSE`, `Whitespace.REPLACE`.

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