org.apache.xalan.lib

## Class PipeDocument

- java.lang.Object
- - org.apache.xalan.lib.PipeDocument

-     public class PipeDocument
      extends java.lang.Object

  PipeDocument is a Xalan extension element to set stylesheet params and pipes an XML document through a series of 1 or more stylesheets. PipeDocument is invoked from a stylesheet as the `pipeDocument extension element`. It is accessed by specifying a namespace URI as follows:

          xmlns:pipe="http://xml.apache.org/xalan/PipeDocument"

  Author:
    Donald Leslie

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `PipeDocument()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `pipeDocument(XSLProcessorContext context, ElemExtensionCall elem)` Extension element for piping an XML document through a series of 1 or more transformations.
    `void` | `usePipe(java.util.Vector vTHandler, java.lang.String source, java.lang.String target)` Uses a Vector of TransformerHandlers to pipe XML input document through a series of 1 or more transformations.

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

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

- - ### Constructor Detail

    - #### PipeDocument

          public PipeDocument()

  - ### Method Detail

    - #### pipeDocument

          public void pipeDocument(XSLProcessorContext context,
                          ElemExtensionCall elem)
                            throws TransformerException,
                                   TransformerConfigurationException,
                                   SAXException,
                                   java.io.IOException,
                                   java.io.FileNotFoundException

      Extension element for piping an XML document through a series of 1 or more transformations.

          Common usage pattern: A stylesheet transforms a listing of documents to be
           transformed into a TOC. For each document in the listing calls the pipeDocument
           extension element to pipe that document through a series of 1 or more stylesheets
           to the desired output document.

           Syntax:
           <xsl:stylesheet version="1.0"
                          xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                          xmlns:pipe="http://xml.apache.org/xalan/PipeDocument"
                          extension-element-prefixes="pipe">
           ...
           <pipe:pipeDocument   source="source.xml" target="target.xml">
             <stylesheet href="ss1.xsl">
               <param name="param1" value="value1"/>
             </stylesheet>
             <stylesheet href="ss2.xsl">
               <param name="param1" value="value1"/>
               <param name="param2" value="value2"/>
             </stylesheet>
             <stylesheet href="ss1.xsl"/>
           </pipe:pipeDocument>

           Notes:

      - The base URI for the source attribute is the XML "listing" document.
      - The target attribute is taken as is (base is the current user directory).
      - The stylsheet containg the extension element is the base URI for the stylesheet hrefs.
      Throws:
        `TransformerException`
        `TransformerConfigurationException`
        `SAXException`
        `java.io.IOException`
        `java.io.FileNotFoundException`

    - #### usePipe

          public void usePipe(java.util.Vector vTHandler,
                     java.lang.String source,
                     java.lang.String target)
                       throws TransformerException,
                              TransformerConfigurationException,
                              java.io.FileNotFoundException,
                              java.io.IOException,
                              SAXException,
                              SAXNotRecognizedException

      Uses a Vector of TransformerHandlers to pipe XML input document through a series of 1 or more transformations. Called by `pipeDocument(org.apache.xalan.extensions.XSLProcessorContext, org.apache.xalan.templates.ElemExtensionCall)`.
      Parameters:
        `vTHandler` - Vector of Transformation Handlers (1 per stylesheet).
        `source` - absolute URI to XML input
        `target` - absolute path to transformation output.
      Throws:
        `TransformerException`
        `TransformerConfigurationException`
        `java.io.FileNotFoundException`
        `java.io.IOException`
        `SAXException`
        `SAXNotRecognizedException`

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