org.apache.axiom.om

## Interface OMFactory

- All Known Subinterfaces:
    OMFactoryEx, SOAP12FactoryEx, SOAPFactory, SOAPFactoryEx

      public interface OMFactory

  Class OMFactory

- - ### Method Summary

    All Methods Instance Methods Abstract Methods Deprecated Methods
    Modifier and Type | Method and Description
    --- | ---
    `OMAttribute` | `createOMAttribute(String localName, OMNamespace ns, String value)` Create an attribute with the given name and value.
    `OMComment` | `createOMComment(OMContainer parent, String content)` Creates a comment.
    `OMDocType` | `createOMDocType(OMContainer parent, String rootName, String publicId, String systemId, String internalSubset)` Creates DTD (`DOCTYPE` declaration) node.
    `OMDocument` | `createOMDocument()` Creates a new OMDocument.
    `OMSourcedElement` | `createOMElement(OMDataSource source)` Create a sourced element.
    `OMSourcedElement` | `createOMElement(OMDataSource source, QName qname)` Create a sourced element with a known local name, namespace URI and namespace prefix.
    `OMSourcedElement` | `createOMElement(OMDataSource source, String localName, OMNamespace ns)` Create a sourced element with a known local name and namespace URI.
    `OMElement` | `createOMElement(QName qname)` Create an element with the given `QName`.
    `OMElement` | `createOMElement(QName qname, OMContainer parent)` Create an element with the given `QName` and parent.
    `OMElement` | `createOMElement(String localName, OMNamespace ns)` Create an element with the given name.
    `OMElement` | `createOMElement(String localName, OMNamespace ns, OMContainer parent)` Create an element with the given name and parent.
    `OMElement` | `createOMElement(String localName, String namespaceURI, String prefix)` Create an element with the given name.
    `OMEntityReference` | `createOMEntityReference(OMContainer parent, String name)` Create an entity reference.
    `OMNamespace` | `createOMNamespace(String uri, String prefix)` Create an `OMNamespace` instance or retrieve an existing one if the factory supports pooling.
    `OMProcessingInstruction` | `createOMProcessingInstruction(OMContainer parent, String piTarget, String piData)` Creates a PI.
    `OMText` | `createOMText(Object dataHandler, boolean optimize)`
    `OMText` | `createOMText(OMContainer parent, char[] charArary, int type)` Deprecated.
    `OMText` | `createOMText(OMContainer parent, OMText source)` Create OMText node that is a copy of the source text node
    `OMText` | `createOMText(OMContainer parent, QName text)` Deprecated. This method is only meaningful if it is used to create a text node that is the single child of an `OMElement`. However, for that purpose `OMElement.setText(QName)` should be used.
    `OMText` | `createOMText(OMContainer parent, QName text, int type)` Deprecated. Creating a text node containing a QName and having a type other than `OMNode.TEXT_NODE` is not meaningful.
    `OMText` | `createOMText(OMContainer parent, String text)` Creates a new `OMText` node with the given value and appends it to the given parent element.
    `OMText` | `createOMText(OMContainer parent, String text, int type)`
    `OMText` | `createOMText(OMContainer parent, String s, String mimeType, boolean optimize)`
    `OMText` | `createOMText(String s)`
    `OMText` | `createOMText(String contentID, DataHandlerProvider dataHandlerProvider, boolean optimize)` Create a binary `OMText` node supporting deferred loading of the content.
    `OMText` | `createOMText(String s, int type)`
    `OMText` | `createOMText(String s, String mimeType, boolean optimize)`
    `OMMetaFactory` | `getMetaFactory()` Get the `OMMetaFactory` from which this factory was obtained.

- - ### Method Detail

    - #### getMetaFactory

          OMMetaFactory getMetaFactory()

      Get the `OMMetaFactory` from which this factory was obtained. More precisely, if the `OMFactory` instance has been obtained from a `OMMetaFactory` using `OMMetaFactory.getOMFactory()`, `OMMetaFactory.getSOAP11Factory()` or `OMMetaFactory.getSOAP12Factory()`, then the return value is the same as the original `OMMetaFactory`. Since `OMAbstractFactory` creates a single `OMMetaFactory` instance per Axiom implementation, this means that this method can be used to check if two `OMFactory` instances belong to the same Axiom implementation.
      Returns:
        the meta factory

    - #### createOMDocument

          OMDocument createOMDocument()

      Creates a new OMDocument.

    - #### createOMElement

          OMElement createOMElement(String localName,
                                    OMNamespace ns)

      Create an element with the given name. If a namespace is given, a namespace declaration will be added automatically to the newly created element.
      Parameters:
        `localName` - the local part of the name; must not be `null`
        `ns` - the namespace, or `null` if the element has no namespace
      Returns:
        the newly created element
      Throws:
        `IllegalArgumentException` - if an attempt is made to create a prefixed element with an empty namespace name

    - #### createOMElement

          OMElement createOMElement(String localName,
                                    OMNamespace ns,
                                    OMContainer parent)
                             throws OMException

      Create an element with the given name and parent. If the specified `OMNamespace` has a namespace URI but a `null` prefix, the method will reuse an existing prefix if a namespace declaration with a matching namespace URI is in scope on the parent or generate a new prefix if no such namespace declaration exists.

      If a new prefix is generated or if the specified prefix and namespace URI are not bound in the scope of the parent element, the method will add an appropriate namespace declaration to the new element. Note that this may also occur if `null` is passed as `OMNamespace` parameter. In that case, if there is a default namespace declaration with a non empty namespace URI in the scope of the parent element, a namespace declaration needs to be added to the newly created element to override the default namespace.

      Parameters:
        `localName` -
        `ns` -
        `parent` - the parent to which the newly created element will be added; this may be `null`, in which case the behavior of the method is the same as `createOMElement(String, OMNamespace)`
      Returns:
        the newly created element
      Throws:
        `OMException`
        `IllegalArgumentException` - if an attempt is made to create a prefixed element with an empty namespace name

    - #### createOMElement

          OMSourcedElement createOMElement(OMDataSource source)

      Create a sourced element. If the data source implements `QNameAwareOMDataSource` then the returned `OMSourcedElement` will use the information provided through this interface to determine the local name, namespace URI and namespace prefix. For information that is not available (either because the data source doesn't implement `QNameAwareOMDataSource` or because some of the methods defined by that interface return `null`) the element will be expanded to determine the missing information. This is done lazily, i.e. only when the information is really required. E.g. this will not occur during serialization of the element.

      This is an optional operation which may not be supported by all factories.

      Parameters:
        `source` - the data source; must not be `null`
      Returns:
        the newly created element
      Throws:
        `IllegalArgumentException` - if `source` is `null`

    - #### createOMElement

          OMSourcedElement createOMElement(OMDataSource source,
                                           String localName,
                                           OMNamespace ns)

      Create a sourced element with a known local name and namespace URI. If the namespace prefix is known in advance, then the caller should specify it in the provided `OMNamespace` object. The caller may pass an `OMNamespace` instance with a `null` prefix. This indicates that the prefix is unknown and will be determined lazily by expanding the element.

      Note that if the provided data source implements `QNameAwareOMDataSource`, then the information returned by `QNameAwareOMDataSource.getPrefix()` may be used to determine the prefix. However, this is an unusual use case.

      Also note that if the specified namespace URI is empty, then the element can't have a prefix and it is not necessary to expand the element to determine its prefix.

      This is an optional operation which may not be supported by all factories.

      Parameters:
        `source` - the data source; must not be `null`
        `localName` - the local part of the name of the element produced by the data source; must not be `null`
        `ns` - the namespace of the element produced by the data source, or `null` if the element has no namespace
      Returns:
        the newly created element
      Throws:
        `IllegalArgumentException` - if `source` is `null`

    - #### createOMElement

          OMSourcedElement createOMElement(OMDataSource source,
                                           QName qname)

      Create a sourced element with a known local name, namespace URI and namespace prefix.

      This is an optional operation which may not be supported by all factories.

      Parameters:
        `source` - the data source; must not be `null`
        `qname` - the name of the element produced by the data source; must not be `null`
      Returns:
        the newly created element
      Throws:
        `IllegalArgumentException` - if `source` is `null`

    - #### createOMElement

          OMElement createOMElement(String localName,
                                    String namespaceURI,
                                    String prefix)

      Create an element with the given name. If a namespace is given, a namespace declaration will be added automatically to the newly created element.
      Parameters:
        `localName` - the local part of the name; must not be `null`
        `namespaceURI` - the namespace URI, or the empty string if the element has no namespace; must not be `null`
        `prefix` - the namespace prefix, or `null` if a prefix should be generated
      Returns:
        the newly created OMElement.
      Throws:
        `IllegalArgumentException` - if `namespaceURI` is `null` or if an attempt is made to create a prefixed element with an empty namespace name

    - #### createOMElement

          OMElement createOMElement(QName qname,
                                    OMContainer parent)

      Create an element with the given `QName` and parent. If a namespace URI is given but no prefix, the method will use an appropriate prefix if a corresponding namespace declaration is in scope on the parent or generate a new prefix if no corresponding namespace declaration is in scope. If a new prefix is generated or if the specified prefix and namespace URI are not bound in the scope of the parent element, the method will add an appropriate namespace declaration to the new element.
      Parameters:
        `qname` - the `QName` defining the name of the element to be created
        `parent` - the parent to which the newly created element will be added; this may be `null`, in which case the behavior of the method is the same as `createOMElement(QName)`
      Returns:
        the new element
      Throws:
        `IllegalArgumentException` - if an attempt is made to create a prefixed element with an empty namespace name

    - #### createOMElement

          OMElement createOMElement(QName qname)

      Create an element with the given `QName`. If a namespace URI is given but no prefix, the method will automatically generate a prefix for the element. If a namespace URI is given, the method will also add a namespace declaration to the element, binding the auto-generated prefix or the prefix given in the `QName` to the given namespace URI. If neither a namespace URI nor a prefix is given, no namespace declaration will be added.
      Parameters:
        `qname` - the `QName` defining the name of the element to be created
      Returns:
        the new element
      Throws:
        `IllegalArgumentException` - if an attempt is made to create a prefixed element with an empty namespace name

    - #### createOMNamespace

          OMNamespace createOMNamespace(String uri,
                                        String prefix)

      Create an `OMNamespace` instance or retrieve an existing one if the factory supports pooling.
      Parameters:
        `uri` - the namespace URI; must not be `null`
        `prefix` - the prefix
      Returns:
        the `OMNamespace` instance
      Throws:
        `IllegalArgumentException` - if `uri` is null

    - #### createOMText

          OMText createOMText(OMContainer parent,
                              String text)

      Creates a new `OMText` node with the given value and appends it to the given parent element.
      Parameters:
        `parent` - the parent to which the newly created text node will be added; this may be `null`, in which case the behavior of the method is the same as `createOMText(String)`
        `text` -
      Returns:
        Returns OMText.

    - #### createOMText

          OMText createOMText(OMContainer parent,
                              OMText source)

      Create OMText node that is a copy of the source text node
      Parameters:
        `parent` -
        `source` -
      Returns:
        TODO

    - #### createOMText

          OMText createOMText(OMContainer parent,
                              QName text)

      Deprecated. This method is only meaningful if it is used to create a text node that is the single child of an `OMElement`. However, for that purpose `OMElement.setText(QName)` should be used.

    - #### createOMText

          OMText createOMText(OMContainer parent,
                              String text,
                              int type)

      Parameters:
        `parent` -
        `text` -
        `type` - the node type: `OMNode.TEXT_NODE`, `OMNode.CDATA_SECTION_NODE` or `OMNode.SPACE_NODE`
      Returns:
        Returns OMText.

    - #### createOMText

          OMText createOMText(OMContainer parent,
                              char[] charArary,
                              int type)

      Deprecated.

    - #### createOMText

          OMText createOMText(OMContainer parent,
                              QName text,
                              int type)

      Deprecated. Creating a text node containing a QName and having a type other than `OMNode.TEXT_NODE` is not meaningful.

    - #### createOMText

          OMText createOMText(String s)

      Parameters:
        `s` -
      Returns:
        Returns OMText.

    - #### createOMText

          OMText createOMText(String s,
                              int type)

      Parameters:
        `s` -
        `type` - the node type: `OMNode.TEXT_NODE`, `OMNode.CDATA_SECTION_NODE` or `OMNode.SPACE_NODE`
      Returns:
        Returns OMText.

    - #### createOMText

          OMText createOMText(String s,
                              String mimeType,
                              boolean optimize)

    - #### createOMText

          OMText createOMText(Object dataHandler,
                              boolean optimize)

    - #### createOMText

          OMText createOMText(OMContainer parent,
                              String s,
                              String mimeType,
                              boolean optimize)

    - #### createOMText

          OMText createOMText(String contentID,
                              DataHandlerProvider dataHandlerProvider,
                              boolean optimize)

      Create a binary `OMText` node supporting deferred loading of the content.
      Parameters:
        `contentID` - the content ID identifying the binary content; may be `null`
        `dataHandlerProvider` - used to load the `DataHandler` when requested from the returned `OMText` node
        `optimize` - determines whether the binary content should be optimized
      Returns:
        TODO

    - #### createOMAttribute

          OMAttribute createOMAttribute(String localName,
                                        OMNamespace ns,
                                        String value)

      Create an attribute with the given name and value. If the provided `OMNamespace` object has a `null` prefix, then a prefix will be generated, except if the namespace URI is the empty string, in which case the result is the same as if a `null` `OMNamespace` was given.
      Parameters:
        `localName` -
        `ns` -
        `value` -
      Returns:
        the newly created attribute
      Throws:
        `IllegalArgumentException` - if an attempt is made to create a prefixed attribute with an empty namespace name or an unprefixed attribute with a namespace

    - #### createOMDocType

          OMDocType createOMDocType(OMContainer parent,
                                    String rootName,
                                    String publicId,
                                    String systemId,
                                    String internalSubset)

      Creates DTD (`DOCTYPE` declaration) node.
      Parameters:
        `parent` - the parent to which the newly created text node will be added; this may be `null`
        `rootName` - the root name, i.e. the name immediately following the `DOCTYPE` keyword
        `publicId` - the public ID of the external subset, or `null` if there is no external subset or no public ID has been specified for the external subset
        `systemId` - the system ID of the external subset, or `null` if there is no external subset
        `internalSubset` - the internal subset, or `null` if there is none
      Returns:
        the newly created `OMDocType` node

    - #### createOMProcessingInstruction

          OMProcessingInstruction createOMProcessingInstruction(OMContainer parent,
                                                                String piTarget,
                                                                String piData)

      Creates a PI.
      Parameters:
        `parent` -
        `piTarget` -
        `piData` -
      Returns:
        Returns OMProcessingInstruction.

    - #### createOMComment

          OMComment createOMComment(OMContainer parent,
                                    String content)

      Creates a comment.
      Parameters:
        `parent` -
        `content` -
      Returns:
        Returns OMComment.

    - #### createOMEntityReference

          OMEntityReference createOMEntityReference(OMContainer parent,
                                                    String name)

      Create an entity reference.
      Parameters:
        `parent` - the parent to which the newly created entity reference node will be added; this may be `null`
        `name` - the name of the entity
      Returns:
        the newly created `OMEntityReference` node

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