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## org.apache.fop.cli
Class InputHandler

    java.lang.Object
      org.apache.fop.cli.InputHandler

All Implemented Interfaces:
  javax.xml.transform.ErrorListener, Renderable

Direct Known Subclasses:
  AreaTreeInputHandler, IFInputHandler, ImageInputHandler

    public class InputHandler

extends java.lang.Object
implements javax.xml.transform.ErrorListener, Renderable

Class for handling files input from command line either with XML and XSLT files (and optionally xsl parameters) or FO File input alone.

Field Summary
`protected org.apache.commons.logging.Log` | `log` the logger
`protected java.io.File` | `sourcefile` original source file

Constructor Summary
`InputHandler(java.io.File fofile)` Constructor for FO input
`InputHandler(java.io.File xmlfile, java.io.File xsltfile, java.util.Vector params)` Constructor for XML->XSLT->FO input

Method Summary
`void` | `createCatalogResolver(FOUserAgent userAgent)` Creates a catalog resolver and uses it for XML parsing and XSLT URI resolution.
`protected javax.xml.transform.Source` | `createMainSource()` Creates a Source for the main input file.
`protected javax.xml.transform.Source` | `createXSLTSource()` Creates a Source for the selected stylesheet.
`void` | `error(javax.xml.transform.TransformerException exc)`
`void` | `fatalError(javax.xml.transform.TransformerException exc)`
`void` | `renderTo(FOUserAgent userAgent, java.lang.String outputFormat)` Renders the pre-setup document.
`void` | `renderTo(FOUserAgent userAgent, java.lang.String outputFormat, java.io.OutputStream out)` Generate a document, given an initialized Fop object
`void` | `transformTo(java.io.OutputStream out)` In contrast to render(Fop) this method only performs the XSLT stage and saves the intermediate XSL-FO file to the output file.
`protected void` | `transformTo(javax.xml.transform.Result result)` Transforms the input document to the input format expected by FOP using XSLT.
`void` | `warning(javax.xml.transform.TransformerException exc)`

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

Field Detail

### sourcefile

    protected java.io.File sourcefile

  original source file

### log

    protected org.apache.commons.logging.Log log

  the logger

Constructor Detail

### InputHandler

    public InputHandler(java.io.File xmlfile,
                        java.io.File xsltfile,
                        java.util.Vector params)

  Constructor for XML->XSLT->FO input

  Parameters:
    `xmlfile` - XML file
    `xsltfile` - XSLT file
    `params` - Vector of command-line parameters (name, value, name, value, ...) for XSL stylesheet, null if none

### InputHandler

    public InputHandler(java.io.File fofile)

  Constructor for FO input

  Parameters:
    `fofile` - the file to read the FO document.

Method Detail

### renderTo

    public void renderTo(FOUserAgent userAgent,
                         java.lang.String outputFormat,
                         java.io.OutputStream out)
                  throws FOPException

  Generate a document, given an initialized Fop object

  Parameters:
    `userAgent` - the user agent
    `outputFormat` - the output format to generate (MIME type, see MimeConstants)
    `out` - the output stream to write the generated output to (may be null if not applicable)
  Throws:
    `FOPException` - in case of an error during processing

### renderTo

    public void renderTo(FOUserAgent userAgent,
                         java.lang.String outputFormat)
                  throws FOPException

  Renders the pre-setup document.

  Specified by:
    `renderTo` in interface `Renderable`
  Parameters:
    `userAgent` - the user agent
    `outputFormat` - the output format to generate (MIME type, see MimeConstants)
  Throws:
    `FOPException` - if the FO processing fails

### transformTo

    public void transformTo(java.io.OutputStream out)
                     throws FOPException

  In contrast to render(Fop) this method only performs the XSLT stage and saves the intermediate XSL-FO file to the output file.

  Parameters:
    `out` - OutputStream to write the transformation result to.
  Throws:
    `FOPException` - in case of an error during processing

### createMainSource

    protected javax.xml.transform.Source createMainSource()

  Creates a Source for the main input file. Processes XInclude if available in the XML parser.

  Returns:
    the Source for the main input file

### createCatalogResolver

    public void createCatalogResolver(FOUserAgent userAgent)

  Creates a catalog resolver and uses it for XML parsing and XSLT URI resolution. Tries the Apache Commons Resolver, and if unsuccessful, tries the same built into Java 6.

  Parameters:
    `userAgent` - the user agent instance

### createXSLTSource

    protected javax.xml.transform.Source createXSLTSource()

  Creates a Source for the selected stylesheet.

  Returns:
    the Source for the selected stylesheet or null if there's no stylesheet

### transformTo

    protected void transformTo(javax.xml.transform.Result result)
                        throws FOPException

  Transforms the input document to the input format expected by FOP using XSLT.

  Parameters:
    `result` - the Result object where the result of the XSL transformation is sent to
  Throws:
    `FOPException` - in case of an error during processing

### warning

    public void warning(javax.xml.transform.TransformerException exc)

  Specified by:
    `warning` in interface `javax.xml.transform.ErrorListener`

### error

    public void error(javax.xml.transform.TransformerException exc)

  Specified by:
    `error` in interface `javax.xml.transform.ErrorListener`

### fatalError

    public void fatalError(javax.xml.transform.TransformerException exc)
                    throws javax.xml.transform.TransformerException

  Specified by:
    `fatalError` in interface `javax.xml.transform.ErrorListener`
  Throws:
    `javax.xml.transform.TransformerException`

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