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## org.apache.cxf.common.xmlschema
Class XmlSchemaUtils

    java.lang.Object
      org.apache.cxf.common.xmlschema.XmlSchemaUtils

    public final class XmlSchemaUtils

extends Object

Some functions that avoid problems with Commons XML Schema.

Field Summary
`static String` | `XSI_NIL`
`static String` | `XSI_NIL_WITH_PREFIX`
`static String` | `XSI_NS_ATTR`

Method Summary
`static void` | `addImportIfNeeded(org.apache.ws.commons.schema.XmlSchema schema, QName qname)` For convenience, start from a qname, and add the import if it is non-null and has a namespace.
`static void` | `addImportIfNeeded(org.apache.ws.commons.schema.XmlSchema schema, String namespaceUri)` Assist in managing the required for imports of peer schemas.
`static String` | `cleanedUpSchemaSource(org.apache.ws.commons.schema.XmlSchemaObject subject)`
`static List<String>` | `enumeratorValues(org.apache.ws.commons.schema.XmlSchemaSimpleType type)` Retrieve the string values for an enumeration.
`static org.apache.ws.commons.schema.XmlSchemaElement` | `findElementByRefName(SchemaCollection xmlSchemaCollection, QName name, String referencingURI)` This copes with an observed phenomenon in the schema built by the ReflectionServiceFactoryBean.
`static org.apache.ws.commons.schema.XmlSchemaAll` | `getAll(org.apache.ws.commons.schema.XmlSchemaComplexType type)`
`static QName` | `getBaseType(org.apache.ws.commons.schema.XmlSchemaComplexType type)`
`static org.apache.ws.commons.schema.XmlSchemaChoice` | `getChoice(org.apache.ws.commons.schema.XmlSchemaComplexType type)`
`static List<org.apache.ws.commons.schema.XmlSchemaAttributeOrGroupRef>` | `getContentAttributes(org.apache.ws.commons.schema.XmlSchemaComplexType type)`
`static List<org.apache.ws.commons.schema.XmlSchemaAnnotated>` | `getContentAttributes(org.apache.ws.commons.schema.XmlSchemaComplexType type, SchemaCollection collection)`
`static List<org.apache.ws.commons.schema.XmlSchemaObject>` | `getContentElements(org.apache.ws.commons.schema.XmlSchemaComplexType type, SchemaCollection collection)`
`static org.apache.ws.commons.schema.XmlSchemaSequence` | `getContentSequence(org.apache.ws.commons.schema.XmlSchemaComplexType type)`
`static QName` | `getElementQualifiedName(org.apache.ws.commons.schema.XmlSchemaElement element, org.apache.ws.commons.schema.XmlSchema schema)` By convention, an element that is named in its schema's TNS can have a 'name' but no QName.
`static org.apache.ws.commons.schema.XmlSchemaType` | `getElementType(SchemaCollection xmlSchemaCollection, String referencingURI, org.apache.ws.commons.schema.XmlSchemaElement element, org.apache.ws.commons.schema.XmlSchemaType containingType)` Follow a chain of references from element to element until we can obtain a type.
`static org.apache.ws.commons.schema.XmlSchemaAnnotated` | `getObjectAnnotated(org.apache.ws.commons.schema.XmlSchemaObject object, QName contextName)` If the object is an attribute or an anyAttribute, return the 'Annotated'.
`static org.apache.ws.commons.schema.XmlSchemaParticle` | `getObjectParticle(org.apache.ws.commons.schema.XmlSchemaObject object, QName contextName)` If the object is an element or an any, return the particle.
`static org.apache.ws.commons.schema.XmlSchemaElement` | `getReferredElement(org.apache.ws.commons.schema.XmlSchemaElement element, SchemaCollection xmlSchemaCollection)`
`static org.apache.ws.commons.schema.XmlSchemaSequence` | `getSequence(org.apache.ws.commons.schema.XmlSchemaComplexType type)`
`static boolean` | `isAttributeNameQualified(org.apache.ws.commons.schema.XmlSchemaAttribute attribute, org.apache.ws.commons.schema.XmlSchema schema)`
`static boolean` | `isAttributeQualified(org.apache.ws.commons.schema.XmlSchemaAttribute attribute, boolean global, org.apache.ws.commons.schema.XmlSchema localSchema, org.apache.ws.commons.schema.XmlSchema attributeSchema)` due to a bug, feature, or just plain oddity of JAXB, it isn't good enough to just check the form of an element and of its schema.
`static boolean` | `isComplexType(org.apache.ws.commons.schema.XmlSchemaType type)`
`static boolean` | `isElementNameQualified(org.apache.ws.commons.schema.XmlSchemaElement element, org.apache.ws.commons.schema.XmlSchema schema)`
`static boolean` | `isElementQualified(org.apache.ws.commons.schema.XmlSchemaElement element, boolean global, org.apache.ws.commons.schema.XmlSchema localSchema, org.apache.ws.commons.schema.XmlSchema elementSchema)` due to a bug, feature, or just plain oddity of JAXB, it isn't good enough to just check the form of an element and of its schema.
`static boolean` | `isEumeration(org.apache.ws.commons.schema.XmlSchemaSimpleType type)` Return true if a simple type is a straightforward XML Schema representation of an enumeration.
`static boolean` | `isParticleArray(org.apache.ws.commons.schema.XmlSchemaParticle particle)`
`static boolean` | `isParticleOptional(org.apache.ws.commons.schema.XmlSchemaParticle particle)`
`static boolean` | `schemaImportsNamespace(org.apache.ws.commons.schema.XmlSchema schema, String namespaceUri)` Is there an import for a particular namespace in a schema?
`static void` | `setElementName(org.apache.ws.commons.schema.XmlSchemaElement element, String name)` Wrapper around XmlSchemaElement.setName that checks for inconsistency with refName.
`static void` | `setElementRefName(org.apache.ws.commons.schema.XmlSchemaElement element, QName name)` Wrapper around XmlSchemaElement.setRefName that checks for inconsistency with name and QName.
`static void` | `unsupportedConstruct(String messageKey, String what, QName subjectName, org.apache.ws.commons.schema.XmlSchemaObject subject)`
`static void` | `unsupportedConstruct(String messageKey, org.apache.ws.commons.schema.XmlSchemaType subject)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### XSI_NIL

    public static final String XSI_NIL

See Also:
  Constant Field Values

### XSI_NS_ATTR

    public static final String XSI_NS_ATTR

See Also:
  Constant Field Values

### XSI_NIL_WITH_PREFIX

    public static final String XSI_NIL_WITH_PREFIX

See Also:
  Constant Field Values

Method Detail

### setElementName

    public static void setElementName(org.apache.ws.commons.schema.XmlSchemaElement element,
                                      String name)

  Wrapper around XmlSchemaElement.setName that checks for inconsistency with refName.

  Parameters:
    `element` -
    `name` -

### setElementRefName

    public static void setElementRefName(org.apache.ws.commons.schema.XmlSchemaElement element,
                                         QName name)

  Wrapper around XmlSchemaElement.setRefName that checks for inconsistency with name and QName.

  Parameters:
    `element` -
    `name` -

### isEumeration

    public static boolean isEumeration(org.apache.ws.commons.schema.XmlSchemaSimpleType type)

  Return true if a simple type is a straightforward XML Schema representation of an enumeration. If we discover schemas that are 'enum-like' with more complex structures, we might make this deal with them.

  Parameters:
    `type` - Simple type, possible an enumeration.
  Returns:
    true for an enumeration.

### enumeratorValues

    public static List<String> enumeratorValues(org.apache.ws.commons.schema.XmlSchemaSimpleType type)

  Retrieve the string values for an enumeration.

  Parameters:
    `type` -
  Returns:

### schemaImportsNamespace

    public static boolean schemaImportsNamespace(org.apache.ws.commons.schema.XmlSchema schema,
                                                 String namespaceUri)

  Is there an import for a particular namespace in a schema?

  Parameters:
    `schema` -
    `namespaceUri` -
  Returns:

### addImportIfNeeded

    public static void addImportIfNeeded(org.apache.ws.commons.schema.XmlSchema schema,
                                         String namespaceUri)

  Assist in managing the required for imports of peer schemas.

  Parameters:
    `schema` -
    `namespaceUri` -

### addImportIfNeeded

    public static void addImportIfNeeded(org.apache.ws.commons.schema.XmlSchema schema,
                                         QName qname)

  For convenience, start from a qname, and add the import if it is non-null and has a namespace.

  Parameters:
    `schema` -
    `qname` -
  See Also:
    `addImportIfNeeded(XmlSchema, String)`

### findElementByRefName

    public static org.apache.ws.commons.schema.XmlSchemaElement findElementByRefName(SchemaCollection xmlSchemaCollection,
                                                                                     QName name,
                                                                                     String referencingURI)

  This copes with an observed phenomenon in the schema built by the ReflectionServiceFactoryBean. It is creating element such that: (a) the type is not set. (b) the refName is set. (c) the namespaceURI in the refName is set empty. This apparently indicates 'same Schema' to everyone else, so thus function implements that convention here. It is unclear if that is a correct structure, and it if changes, we can simplify or eliminate this function.

  Parameters:
    `name` -
    `referencingURI` -
  Returns:

### getBaseType

    public static QName getBaseType(org.apache.ws.commons.schema.XmlSchemaComplexType type)

### getContentAttributes

    public static List<org.apache.ws.commons.schema.XmlSchemaAttributeOrGroupRef> getContentAttributes(org.apache.ws.commons.schema.XmlSchemaComplexType type)

### getContentAttributes

    public static List<org.apache.ws.commons.schema.XmlSchemaAnnotated> getContentAttributes(org.apache.ws.commons.schema.XmlSchemaComplexType type,
                                                                                             SchemaCollection collection)

### getContentElements

    public static List<org.apache.ws.commons.schema.XmlSchemaObject> getContentElements(org.apache.ws.commons.schema.XmlSchemaComplexType type,
                                                                                        SchemaCollection collection)

### getContentSequence

    public static org.apache.ws.commons.schema.XmlSchemaSequence getContentSequence(org.apache.ws.commons.schema.XmlSchemaComplexType type)

### getElementQualifiedName

    public static QName getElementQualifiedName(org.apache.ws.commons.schema.XmlSchemaElement element,
                                                org.apache.ws.commons.schema.XmlSchema schema)

  By convention, an element that is named in its schema's TNS can have a 'name' but no QName. This can get inconvenient for consumers who want to think about qualified names. Unfortunately, XmlSchema elements, unlike types, don't store a reference to their containing schema.

  Parameters:
    `element` -
    `schema` -
  Returns:

### getElementType

    public static org.apache.ws.commons.schema.XmlSchemaType getElementType(SchemaCollection xmlSchemaCollection,
                                                                            String referencingURI,
                                                                            org.apache.ws.commons.schema.XmlSchemaElement element,
                                                                            org.apache.ws.commons.schema.XmlSchemaType containingType)

  Follow a chain of references from element to element until we can obtain a type.

  Parameters:
    `element` -
  Returns:

### getObjectAnnotated

    public static org.apache.ws.commons.schema.XmlSchemaAnnotated getObjectAnnotated(org.apache.ws.commons.schema.XmlSchemaObject object,
                                                                                     QName contextName)

  If the object is an attribute or an anyAttribute, return the 'Annotated'. If it's not one of those, or it's a group, throw. We're not ready for groups yet.

  Parameters:
    `object` -
  Returns:

### getObjectParticle

    public static org.apache.ws.commons.schema.XmlSchemaParticle getObjectParticle(org.apache.ws.commons.schema.XmlSchemaObject object,
                                                                                   QName contextName)

  If the object is an element or an any, return the particle. If it's not a particle, or it's a group, throw. We're not ready for groups yet.

  Parameters:
    `object` -
  Returns:

### getReferredElement

    public static org.apache.ws.commons.schema.XmlSchemaElement getReferredElement(org.apache.ws.commons.schema.XmlSchemaElement element,
                                                                                   SchemaCollection xmlSchemaCollection)

### getSequence

    public static org.apache.ws.commons.schema.XmlSchemaSequence getSequence(org.apache.ws.commons.schema.XmlSchemaComplexType type)

### getChoice

    public static org.apache.ws.commons.schema.XmlSchemaChoice getChoice(org.apache.ws.commons.schema.XmlSchemaComplexType type)

### getAll

    public static org.apache.ws.commons.schema.XmlSchemaAll getAll(org.apache.ws.commons.schema.XmlSchemaComplexType type)

### isAttributeNameQualified

    public static boolean isAttributeNameQualified(org.apache.ws.commons.schema.XmlSchemaAttribute attribute,
                                                   org.apache.ws.commons.schema.XmlSchema schema)

### isAttributeQualified

    public static boolean isAttributeQualified(org.apache.ws.commons.schema.XmlSchemaAttribute attribute,
                                               boolean global,
                                               org.apache.ws.commons.schema.XmlSchema localSchema,
                                               org.apache.ws.commons.schema.XmlSchema attributeSchema)

  due to a bug, feature, or just plain oddity of JAXB, it isn't good enough to just check the form of an element and of its schema. If schema 'a' (default unqualified) has a complex type with an element with a ref= to schema (b) (default unqualified), JAXB seems to expect to see a qualifier, anyway.
  So, if the element is local to a complex type, all we care about is the default element form of the schema and the local form of the element.
  If, on the other hand, the element is global, we might need to compare namespaces.

  Parameters:
    `attribute` - the attribute
    `global` - if this element is a global element (complex type ref= to it, or in a part)
    `localSchema` - the schema of the complex type containing the reference, only used for the 'odd case'.
    `elementSchema` - the schema for the element.
  Returns:
    if the element needs to be qualified.

### isComplexType

    public static boolean isComplexType(org.apache.ws.commons.schema.XmlSchemaType type)

### isElementNameQualified

    public static boolean isElementNameQualified(org.apache.ws.commons.schema.XmlSchemaElement element,
                                                 org.apache.ws.commons.schema.XmlSchema schema)

### isElementQualified

    public static boolean isElementQualified(org.apache.ws.commons.schema.XmlSchemaElement element,
                                             boolean global,
                                             org.apache.ws.commons.schema.XmlSchema localSchema,
                                             org.apache.ws.commons.schema.XmlSchema elementSchema)

  due to a bug, feature, or just plain oddity of JAXB, it isn't good enough to just check the form of an element and of its schema. If schema 'a' (default unqualified) has a complex type with an element with a ref= to schema (b) (default unqualified), JAXB seems to expect to see a qualifier, anyway.
  So, if the element is local to a complex type, all we care about is the default element form of the schema and the local form of the element.
  If, on the other hand, the element is global, we might need to compare namespaces.

  Parameters:
    `element` - the element.
    `global` - if this element is a global element (complex type ref= to it, or in a part)
    `localSchema` - the schema of the complex type containing the reference, only used for the 'odd case'.
    `elementSchema` - the schema for the element.
  Returns:
    if the element needs to be qualified.

### isParticleArray

    public static boolean isParticleArray(org.apache.ws.commons.schema.XmlSchemaParticle particle)

### isParticleOptional

    public static boolean isParticleOptional(org.apache.ws.commons.schema.XmlSchemaParticle particle)

### unsupportedConstruct

    public static void unsupportedConstruct(String messageKey,
                                            String what,
                                            QName subjectName,
                                            org.apache.ws.commons.schema.XmlSchemaObject subject)

### unsupportedConstruct

    public static void unsupportedConstruct(String messageKey,
                                            org.apache.ws.commons.schema.XmlSchemaType subject)

### cleanedUpSchemaSource

    public static String cleanedUpSchemaSource(org.apache.ws.commons.schema.XmlSchemaObject subject)

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