org.apache.xalan.xsltc.runtime

## Class AbstractTranslet

- java.lang.Object
- - org.apache.xalan.xsltc.runtime.AbstractTranslet

- All Implemented Interfaces:
    Translet

      public abstract class AbstractTranslet
      extends java.lang.Object
      implements Translet

  Author:
    Jacek Ambroziak, Santiago Pericas-Geertsen, Morten Jorgensen, G. Todd Miller, John Howard, JohnH@schemasoft.com

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `java.util.Vector` | `_cdata`
    `java.lang.String` | `_doctypePublic`
    `java.lang.String` | `_doctypeSystem`
    `java.lang.String` | `_encoding`
    `Hashtable` | `_formatSymbols` Decimal number format symbol handling
    `boolean` | `_indent`
    `int` | `_indentamount`
    `java.lang.String` | `_mediaType`
    `java.lang.String` | `_method`
    `boolean` | `_omitHeader`
    `java.lang.String` | `_standalone`
    `java.lang.String` | `_version`
    `static int` | `CURRENT_TRANSLET_VERSION`
    `static int` | `FIRST_TRANSLET_VERSION`
    `static int` | `VER_SPLIT_NAMES_ARRAY`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `AbstractTranslet()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addAuxiliaryClass(java.lang.Class auxClass)`
    `void` | `addCdataElement(java.lang.String name)` Add's a name of an element whose text contents should be output as CDATA
    `void` | `addDecimalFormat(java.lang.String name, java.text.DecimalFormatSymbols symbols)` Adds a DecimalFormat object to the _formatSymbols hashtable.
    `java.lang.Object` | `addParameter(java.lang.String name, java.lang.Object value)` Add a new global parameter if not already in the current frame.
    `java.lang.Object` | `addParameter(java.lang.String name, java.lang.Object value, boolean isDefault)` Add a new global or local parameter if not already in the current frame.
    `void` | `buildKeyIndex(java.lang.String name, DOM dom)` Create an empty KeyIndex in the DOM case
    `void` | `buildKeyIndex(java.lang.String name, int node, java.lang.Object value)` Adds a value to a key/id index
    `void` | `buildKeys(DOM document, DTMAxisIterator iterator, SerializationHandler handler, int root)` This method builds key indexes - it is overridden in the compiled translet in cases where the element is used
    `void` | `characters(java.lang.String string, SerializationHandler handler)` Used by some compiled code as a shortcut for passing strings to the output handler
    `void` | `clearParameters()` Clears the parameter stack.
    `void` | `closeOutputHandler(SerializationHandler handler)`
    `KeyIndex` | `createKeyIndex()` Creates a KeyIndex object of the desired size - don't want to resize!!!
    `void` | `displayMessage(java.lang.String msg)` Pass a message to the message handler - used by Message class.
    `java.lang.Class` | `getAuxiliaryClass(java.lang.String className)`
    `java.text.DecimalFormat` | `getDecimalFormat(java.lang.String name)` Retrieves a named DecimalFormat object from _formatSymbols hashtable.
    `DOMCache` | `getDOMCache()` Returns the DOM cache used for this translet.
    `KeyIndex` | `getKeyIndex(java.lang.String name)` Returns the index for a given key (or id).
    `java.lang.String[]` | `getNamesArray()`
    `java.lang.String[]` | `getNamespaceArray()`
    `java.lang.Object` | `getParameter(java.lang.String name)` Get the value of a parameter from the current frame or `null` if undefined.
    `Templates` | `getTemplates()`
    `int[]` | `getTypesArray()`
    `java.lang.String[]` | `getUrisArray()`
    `boolean` | `hasIdCall()`
    `DOMAdapter` | `makeDOMAdapter(DOM dom)` Wrap the initial input DOM in a dom adapter.
    `Document` | `newDocument(java.lang.String uri, java.lang.String qname)`
    `SerializationHandler` | `openOutputHandler(java.lang.String filename)`
    `SerializationHandler` | `openOutputHandler(java.lang.String filename, boolean append)` Multiple output document extension.
    `void` | `popParamFrame()` Pop the topmost parameter frame.
    `void` | `postInitialization()` After constructing the translet object, this method must be called to perform any version-specific post-initialization that's required.
    `void` | `prepassDocument(DOM document)` Give the translet an opportunity to perform a prepass on the document to extract any information that it can store in an optimized form.
    `void` | `printInternalState()` Debugging
    `void` | `pushParamFrame()` Push a new parameter frame.
    `void` | `setAuxiliaryClasses(Hashtable auxClasses)`
    `void` | `setDOMCache(DOMCache cache)` Sets the DOM cache used for additional documents loaded using the document() function.
    `void` | `setIndexSize(int size)` This method is used to pass the largest DOM size to the translet.
    `void` | `setKeyIndexDom(java.lang.String name, DOM document)` This method builds key indexes - it is overridden in the compiled translet in cases where the element is used
    `void` | `setMessageHandler(MessageHandler handler)` Set the translet's message handler - must implement MessageHandler
    `void` | `setTemplates(Templates templates)`
    `abstract void` | `transform(DOM document, DTMAxisIterator iterator, SerializationHandler handler)` Main transform() method - this is overridden by the compiled translet
    `void` | `transform(DOM document, SerializationHandler handler)` Calls transform() with a given output handler

    - ### Methods inherited from class java.lang.Object

      `equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface org.apache.xalan.xsltc.Translet

      `transform`

- - ### Field Detail

    - #### _version

          public java.lang.String _version

    - #### _method

          public java.lang.String _method

    - #### _encoding

          public java.lang.String _encoding

    - #### _omitHeader

          public boolean _omitHeader

    - #### _standalone

          public java.lang.String _standalone

    - #### _doctypePublic

          public java.lang.String _doctypePublic

    - #### _doctypeSystem

          public java.lang.String _doctypeSystem

    - #### _indent

          public boolean _indent

    - #### _mediaType

          public java.lang.String _mediaType

    - #### _cdata

          public java.util.Vector _cdata

    - #### _indentamount

          public int _indentamount

    - #### FIRST_TRANSLET_VERSION

          public static final int FIRST_TRANSLET_VERSION

      See Also:
        Constant Field Values

    - #### VER_SPLIT_NAMES_ARRAY

          public static final int VER_SPLIT_NAMES_ARRAY

      See Also:
        Constant Field Values

    - #### CURRENT_TRANSLET_VERSION

          public static final int CURRENT_TRANSLET_VERSION

      See Also:
        Constant Field Values

    - #### _formatSymbols

          public Hashtable _formatSymbols

      Decimal number format symbol handling

  - ### Constructor Detail

    - #### AbstractTranslet

          public AbstractTranslet()

  - ### Method Detail

    - #### printInternalState

          public void printInternalState()

      Debugging

    - #### makeDOMAdapter

          public final DOMAdapter makeDOMAdapter(DOM dom)
                                          throws TransletException

      Wrap the initial input DOM in a dom adapter. This adapter is wrapped in a DOM multiplexer if the document() function is used (handled by compiled code in the translet - see compiler/Stylesheet.compileTransform()).
      Throws:
        `TransletException`

    - #### pushParamFrame

          public final void pushParamFrame()

      Push a new parameter frame.

    - #### popParamFrame

          public final void popParamFrame()

      Pop the topmost parameter frame.

    - #### addParameter

          public final java.lang.Object addParameter(java.lang.String name,
                                      java.lang.Object value)

      Add a new global parameter if not already in the current frame. To setParameters of the form {http://foo.bar}xyz This needs to get mapped to an instance variable in the class The mapping created so that the global variables in the generated class become http$colon$$flash$$flash$foo$dot$bar$colon$xyz
      Specified by:
        `addParameter` in interface `Translet`

    - #### addParameter

          public final java.lang.Object addParameter(java.lang.String name,
                                      java.lang.Object value,
                                      boolean isDefault)

      Add a new global or local parameter if not already in the current frame. The 'isDefault' parameter is set to true if the value passed is the default value from the element's select attribute or element body.

    - #### clearParameters

          public void clearParameters()

      Clears the parameter stack.

    - #### getParameter

          public final java.lang.Object getParameter(java.lang.String name)

      Get the value of a parameter from the current frame or `null` if undefined.

    - #### setMessageHandler

          public final void setMessageHandler(MessageHandler handler)

      Set the translet's message handler - must implement MessageHandler

    - #### displayMessage

          public final void displayMessage(java.lang.String msg)

      Pass a message to the message handler - used by Message class.

    - #### addDecimalFormat

          public void addDecimalFormat(java.lang.String name,
                              java.text.DecimalFormatSymbols symbols)

      Adds a DecimalFormat object to the _formatSymbols hashtable. The entry is created with the input DecimalFormatSymbols.

    - #### getDecimalFormat

          public final java.text.DecimalFormat getDecimalFormat(java.lang.String name)

      Retrieves a named DecimalFormat object from _formatSymbols hashtable.

    - #### prepassDocument

          public final void prepassDocument(DOM document)

      Give the translet an opportunity to perform a prepass on the document to extract any information that it can store in an optimized form. Currently, it only extracts information about attributes of type ID.

    - #### postInitialization

          public final void postInitialization()

      After constructing the translet object, this method must be called to perform any version-specific post-initialization that's required.

    - #### setIndexSize

          public void setIndexSize(int size)

      This method is used to pass the largest DOM size to the translet. Needed to make sure that the translet can index the whole DOM.

    - #### createKeyIndex

          public KeyIndex createKeyIndex()

      Creates a KeyIndex object of the desired size - don't want to resize!!!

    - #### buildKeyIndex

          public void buildKeyIndex(java.lang.String name,
                           int node,
                           java.lang.Object value)

      Adds a value to a key/id index
      Parameters:
        `name` - is the name of the index (the key or ##id)
        `node` - is the node handle of the node to insert
        `value` - is the value that will look up the node in the given index

    - #### buildKeyIndex

          public void buildKeyIndex(java.lang.String name,
                           DOM dom)

      Create an empty KeyIndex in the DOM case
      Parameters:
        `name` - is the name of the index (the key or ##id)
        `dom` - is the DOM

    - #### getKeyIndex

          public KeyIndex getKeyIndex(java.lang.String name)

      Returns the index for a given key (or id). The index implements our internal iterator interface

    - #### buildKeys

          public void buildKeys(DOM document,
                       DTMAxisIterator iterator,
                       SerializationHandler handler,
                       int root)
                         throws TransletException

      This method builds key indexes - it is overridden in the compiled translet in cases where the element is used
      Specified by:
        `buildKeys` in interface `Translet`
      Throws:
        `TransletException`

    - #### setKeyIndexDom

          public void setKeyIndexDom(java.lang.String name,
                            DOM document)

      This method builds key indexes - it is overridden in the compiled translet in cases where the element is used

    - #### setDOMCache

          public void setDOMCache(DOMCache cache)

      Sets the DOM cache used for additional documents loaded using the document() function.

    - #### getDOMCache

          public DOMCache getDOMCache()

      Returns the DOM cache used for this translet. Used by the LoadDocument class (if present) when the document() function is used.

    - #### openOutputHandler

          public SerializationHandler openOutputHandler(java.lang.String filename,
                                               boolean append)
                                                 throws TransletException

      Multiple output document extension. See compiler/TransletOutput for actual implementation.
      Throws:
        `TransletException`

    - #### openOutputHandler

          public SerializationHandler openOutputHandler(java.lang.String filename)
                                                 throws TransletException

      Throws:
        `TransletException`

    - #### closeOutputHandler

          public void closeOutputHandler(SerializationHandler handler)

    - #### transform

          public abstract void transform(DOM document,
                       DTMAxisIterator iterator,
                       SerializationHandler handler)
                                  throws TransletException

      Main transform() method - this is overridden by the compiled translet
      Specified by:
        `transform` in interface `Translet`
      Throws:
        `TransletException`

    - #### transform

          public final void transform(DOM document,
                       SerializationHandler handler)
                               throws TransletException

      Calls transform() with a given output handler
      Specified by:
        `transform` in interface `Translet`
      Throws:
        `TransletException`

    - #### characters

          public final void characters(java.lang.String string,
                        SerializationHandler handler)
                                throws TransletException

      Used by some compiled code as a shortcut for passing strings to the output handler
      Throws:
        `TransletException`

    - #### addCdataElement

          public void addCdataElement(java.lang.String name)

      Add's a name of an element whose text contents should be output as CDATA

    - #### addAuxiliaryClass

          public void addAuxiliaryClass(java.lang.Class auxClass)

      Specified by:
        `addAuxiliaryClass` in interface `Translet`

    - #### setAuxiliaryClasses

          public void setAuxiliaryClasses(Hashtable auxClasses)

    - #### getAuxiliaryClass

          public java.lang.Class getAuxiliaryClass(java.lang.String className)

      Specified by:
        `getAuxiliaryClass` in interface `Translet`

    - #### getNamesArray

          public java.lang.String[] getNamesArray()

      Specified by:
        `getNamesArray` in interface `Translet`

    - #### getUrisArray

          public java.lang.String[] getUrisArray()

      Specified by:
        `getUrisArray` in interface `Translet`

    - #### getTypesArray

          public int[] getTypesArray()

      Specified by:
        `getTypesArray` in interface `Translet`

    - #### getNamespaceArray

          public java.lang.String[] getNamespaceArray()

      Specified by:
        `getNamespaceArray` in interface `Translet`

    - #### hasIdCall

          public boolean hasIdCall()

    - #### getTemplates

          public Templates getTemplates()

    - #### setTemplates

          public void setTemplates(Templates templates)

    - #### newDocument

          public Document newDocument(java.lang.String uri,
                             java.lang.String qname)
                               throws ParserConfigurationException

      Throws:
        `ParserConfigurationException`

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