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## org.apache.fop.render.rtf.rtflib.rtfdoc
Class RtfElement

    java.lang.Object
      org.apache.fop.render.rtf.rtflib.rtfdoc.RtfElement

Direct Known Subclasses:
  RtfBookmark, RtfContainer, RtfExternalGraphic, RtfGenerator, RtfLineBreak, RtfPageBreak, RtfString, RtfText

public abstract class RtfElement
extends java.lang.Object

Base class for all elements of an RTF file.

Author:
  Bertrand Delacretaz bdelacretaz@codeconsult.ch, Andreas Putz a.putz@skynamics.com

Field Summary
`protected RtfAttributes` | `attrib` attributes of the element
`protected RtfContainer` | `parent` parent element
`protected java.io.Writer` | `writer` Writer to be used

Method Summary
`void` | `close()` Does nothing, meant to allow elements to write themselves without waiting for write(), but not implemented yet
`RtfAttributes` | `getRtfAttributes()` Added by Normand Masse Used for attribute inheritance
`abstract boolean` | `isEmpty()`
`void` | `newLine()` Starts a new line in the RTF file being written.
`protected boolean` | `okToWriteRtf()` can be overridden to suppress all RTF output
`java.lang.String` | `toString()` minimal debugging display
`protected void` | `writeAttributes(RtfAttributes attr, java.lang.String[] nameList)` Write given attribute values to our Writer
`protected void` | `writeControlWord(java.lang.String word)` Write an RTF control word to our Writer
`protected void` | `writeControlWordNS(java.lang.String word)` Write rtf control word without the space behind it
`protected void` | `writeExceptionInRtf(java.lang.Exception ie)` Make a visible entry in the RTF for an exception
`protected void` | `writeGroupMark(boolean isStart)` Write a start or end group mark
`protected void` | `writeOneAttribute(java.lang.String name, java.lang.Object value)` Write one attribute to our Writer
`protected void` | `writeOneAttributeNS(java.lang.String name, java.lang.Object value)` Write one attribute to our Writer without a space
`void` | `writeRtf()` Write the RTF code of this element to our Writer
`protected abstract void` | `writeRtfContent()` Must be implemented to write RTF content to m_writer
`protected void` | `writeRtfPrefix()` Called before writeRtfContent()
`protected void` | `writeRtfSuffix()` Called after writeRtfContent()
`protected void` | `writeStarControlWord(java.lang.String word)` Write an RTF control word to our Writer, preceeded by a star '*' meaning "ignore this if you don't know what it means"
`protected void` | `writeStarControlWordNS(java.lang.String word)` Same as writeStarControlWord(String word), except with no space behind it

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

Field Detail

### writer

    protected final java.io.Writer writer

  Writer to be used

### parent

    protected final RtfContainer parent

  parent element

### attrib

    protected final RtfAttributes attrib

  attributes of the element

Method Detail

### close

    public final void close()
                     throws java.io.IOException

  Does nothing, meant to allow elements to write themselves without waiting for write(), but not implemented yet

  Throws:
    `java.io.IOException` - for I/O problems

### writeRtf

    public final void writeRtf()
                        throws java.io.IOException

  Write the RTF code of this element to our Writer

  Throws:
    `java.io.IOException` - for I/O problems

### newLine

    public void newLine()
                 throws java.io.IOException

  Starts a new line in the RTF file being written. This is only to format the RTF file itself (for easier debugging), not its content.

  Throws:
    `java.io.IOException` - in case of an I/O problem

### writeControlWord

    protected final void writeControlWord(java.lang.String word)
                                   throws java.io.IOException

  Write an RTF control word to our Writer

  Parameters:
    `word` - RTF control word to write
  Throws:
    `java.io.IOException` - for I/O problems

### writeStarControlWord

    protected final void writeStarControlWord(java.lang.String word)
                                       throws java.io.IOException

  Write an RTF control word to our Writer, preceeded by a star '*' meaning "ignore this if you don't know what it means"

  Parameters:
    `word` - RTF control word to write
  Throws:
    `java.io.IOException` - for I/O problems

### writeStarControlWordNS

    protected final void writeStarControlWordNS(java.lang.String word)
                                         throws java.io.IOException

  Same as writeStarControlWord(String word), except with no space behind it

  Parameters:
    `word` - RTF control word to write
  Throws:
    `java.io.IOException` - for I/O problems

### writeControlWordNS

    protected final void writeControlWordNS(java.lang.String word)
                                     throws java.io.IOException

  Write rtf control word without the space behind it

  Parameters:
    `word` - RTF control word to write
  Throws:
    `java.io.IOException` - for I/O problems

### writeRtfPrefix

    protected void writeRtfPrefix()
                           throws java.io.IOException

  Called before writeRtfContent()

  Throws:
    `java.io.IOException` - for I/O problems

### writeRtfContent

    protected abstract void writeRtfContent()
                                     throws java.io.IOException

  Must be implemented to write RTF content to m_writer

  Throws:
    `java.io.IOException` - for I/O problems

### writeRtfSuffix

    protected void writeRtfSuffix()
                           throws java.io.IOException

  Called after writeRtfContent()

  Throws:
    `java.io.IOException` - for I/O problems

### writeGroupMark

    protected final void writeGroupMark(boolean isStart)
                                 throws java.io.IOException

  Write a start or end group mark

  Parameters:
    `isStart` - set to true if this is a start mark
  Throws:
    `java.io.IOException` - for I/O problems

### writeAttributes

    protected void writeAttributes(RtfAttributes attr,
                                   java.lang.String[] nameList)
                            throws java.io.IOException

  Write given attribute values to our Writer

  Parameters:
    `attr` - RtfAttributes to be written
    `nameList` - if given, only attribute names from this list are considered
  Throws:
    `java.io.IOException` - for I/O problems

### writeOneAttribute

    protected void writeOneAttribute(java.lang.String name,
                                     java.lang.Object value)
                              throws java.io.IOException

  Write one attribute to our Writer

  Parameters:
    `name` - name of attribute to write
    `value` - value of attribute to be written
  Throws:
    `java.io.IOException` - for I/O problems

### writeOneAttributeNS

    protected void writeOneAttributeNS(java.lang.String name,
                                       java.lang.Object value)
                                throws java.io.IOException

  Write one attribute to our Writer without a space

  Parameters:
    `name` - name of attribute to write
    `value` - value of attribute to be written
  Throws:
    `java.io.IOException` - for I/O problems

### okToWriteRtf

    protected boolean okToWriteRtf()

  can be overridden to suppress all RTF output

  Returns:
    true if this object can be written into the RTF

### toString

    public java.lang.String toString()

  minimal debugging display

  Returns:
    String representation of object

### isEmpty

    public abstract boolean isEmpty()

  Returns:
    true if this element would generate no "useful" RTF content

### writeExceptionInRtf

    protected void writeExceptionInRtf(java.lang.Exception ie)
                                throws java.io.IOException

  Make a visible entry in the RTF for an exception

  Parameters:
    `ie` - Exception to flag
  Throws:
    `java.io.IOException` - for I/O problems

### getRtfAttributes

    public RtfAttributes getRtfAttributes()

  Added by Normand Masse Used for attribute inheritance

  Returns:
    RtfAttributes

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