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## org.dom4j.io
Class OutputFormat

    java.lang.Object
      org.dom4j.io.OutputFormat

All Implemented Interfaces:
  Cloneable

public class OutputFormat
extends Object
implements Cloneable

`OutputFormat` represents the format configuration used by and its base classes to format the XML output

Version:
  $Revision: 1.17 $
Author:
  James Strachan

Field Summary
`protected static String` | `STANDARD_INDENT` standard value to indent by, if we are indenting

Constructor Summary
`OutputFormat()` Creates an `OutputFormat` with no additional whitespace (indent or new lines) added.
`OutputFormat(String indent)` Creates an `OutputFormat` with the given indent added but no new lines added.
`OutputFormat(String indent, boolean newlines)` Creates an `OutputFormat` with the given indent added with optional newlines between the Elements.
`OutputFormat(String indent, boolean newlines, String encoding)` Creates an `OutputFormat` with the given indent added with optional newlines between the Elements and the given encoding format.

Method Summary
`static OutputFormat` | `createCompactFormat()` A static helper method to create the default compact format.
`static OutputFormat` | `createPrettyPrint()` A static helper method to create the default pretty printing format.
`char` | `getAttributeQuoteCharacter()`
`String` | `getEncoding()`
`String` | `getIndent()`
`String` | `getLineSeparator()`
`int` | `getNewLineAfterNTags()`
`boolean` | `isExpandEmptyElements()`
`boolean` | `isNewLineAfterDeclaration()` DOCUMENT ME!
`boolean` | `isNewlines()`
`boolean` | `isOmitEncoding()`
`boolean` | `isPadText()`
`boolean` | `isSuppressDeclaration()` DOCUMENT ME!
`boolean` | `isTrimText()`
`boolean` | `isXHTML()` Whether or not to use the XHTML standard: like HTML but passes an XML parser with real, closed tags.
`int` | `parseOptions(String[] args, int i)` Parses command line arguments of the form `-omitEncoding -indentSize 3 -newlines -trimText`
`void` | `setAttributeQuoteCharacter(char quoteChar)` Sets the character used to quote attribute values.
`void` | `setEncoding(String encoding)` DOCUMENT ME!
`void` | `setExpandEmptyElements(boolean expandEmptyElements)` This will set whether empty elements are expanded from `<tagName>` to `<tagName></tagName>`.
`void` | `setIndent(boolean doIndent)` Set the indent on or off.
`void` | `setIndent(String indent)` This will set the indent `String` to use; this is usually a `String` of empty spaces.
`void` | `setIndentSize(int indentSize)` This will set the indent `String`'s size; an indentSize of 4 would result in the indention being equivalent to the `String` " " (four space characters).
`void` | `setLineSeparator(String separator)` This will set the new-line separator.
`void` | `setNewLineAfterDeclaration(boolean newLineAfterDeclaration)` This will set whether a new line is printed after the XML declaration (assuming it is not supressed.)
`void` | `setNewLineAfterNTags(int tagCount)` Controls output of a line.separator every tagCount tags when isNewlines is false.
`void` | `setNewlines(boolean newlines)` DOCUMENT ME!
`void` | `setOmitEncoding(boolean omitEncoding)` This will set whether the XML declaration (`<?`
`void` | `setPadText(boolean padText)` Ensure that text immediately preceded by or followed by an element will be "padded" with a single space.
`void` | `setSuppressDeclaration(boolean suppressDeclaration)` This will set whether the XML declaration (`<?`
`void` | `setTrimText(boolean trimText)` This will set whether the text is output verbatim (false) or with whitespace stripped as per ``Element.getTextTrim()``.
`void` | `setXHTML(boolean xhtml)` This will set whether or not to use the XHTML standard: like HTML but passes an XML parser with real, closed tags.

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

Field Detail

### STANDARD_INDENT

    protected static final String STANDARD_INDENT

  standard value to indent by, if we are indenting

  See Also:
    Constant Field Values

Constructor Detail

### OutputFormat

    public OutputFormat()

  Creates an `OutputFormat` with no additional whitespace (indent or new lines) added. The whitespace from the element text content is fully preserved.

### OutputFormat

    public OutputFormat(String indent)

  Creates an `OutputFormat` with the given indent added but no new lines added. All whitespace from element text will be included.

Parameters:
  `indent` - is the indent string to be used for indentation (usually a number of spaces).

### OutputFormat

    public OutputFormat(String indent,
                        boolean newlines)

  Creates an `OutputFormat` with the given indent added with optional newlines between the Elements. All whitespace from element text will be included.

Parameters:
  `indent` - is the indent string to be used for indentation (usually a number of spaces).
  `newlines` - whether new lines are added to layout the

### OutputFormat

    public OutputFormat(String indent,
                        boolean newlines,
                        String encoding)

  Creates an `OutputFormat` with the given indent added with optional newlines between the Elements and the given encoding format.

Parameters:
  `indent` - is the indent string to be used for indentation (usually a number of spaces).
  `newlines` - whether new lines are added to layout the
  `encoding` - is the text encoding to use for writing the XML

Method Detail

### getLineSeparator

    public String getLineSeparator()

### setLineSeparator

    public void setLineSeparator(String separator)

  This will set the new-line separator. The default is `\n`. Note that if the "newlines" property is false, this value is irrelevant. To make it output the system default line ending string, call `setLineSeparator(System.getProperty("line.separator"))`

  Parameters:
    `separator` - `String` line separator to use.
  See Also:
    `setNewlines(boolean)`

### isNewlines

    public boolean isNewlines()

### setNewlines

    public void setNewlines(boolean newlines)

  DOCUMENT ME!

  Parameters:
    `newlines` - `true` indicates new lines should be printed, else new lines are ignored (compacted).
  See Also:
    `setLineSeparator(String)`

### getEncoding

    public String getEncoding()

### setEncoding

    public void setEncoding(String encoding)

  DOCUMENT ME!

  Parameters:
    `encoding` - encoding format

### isOmitEncoding

    public boolean isOmitEncoding()

### setOmitEncoding

    public void setOmitEncoding(boolean omitEncoding)

  This will set whether the XML declaration (`<?xml version="1.0" encoding="UTF-8"?>`) includes the encoding of the document. It is common to suppress this in protocols such as WML and SOAP.

  Parameters:
    `omitEncoding` - `boolean` indicating whether or not the XML declaration should indicate the document encoding.

### setSuppressDeclaration

    public void setSuppressDeclaration(boolean suppressDeclaration)

  This will set whether the XML declaration (`<?xml version="1.0" encoding="UTF-8"?>`) is included or not. It is common to suppress this in protocols such as WML and SOAP.

  Parameters:
    `suppressDeclaration` - `boolean` indicating whether or not the XML declaration should be suppressed.

### isSuppressDeclaration

    public boolean isSuppressDeclaration()

  DOCUMENT ME!

  Returns:
    true if the output of the XML declaration (`<?xml version="1.0"?>`) should be suppressed else false.

### setNewLineAfterDeclaration

    public void setNewLineAfterDeclaration(boolean newLineAfterDeclaration)

  This will set whether a new line is printed after the XML declaration (assuming it is not supressed.)

  Parameters:
    `newLineAfterDeclaration` - `boolean` indicating whether or not to print new line following the XML declaration. The default is true.

### isNewLineAfterDeclaration

    public boolean isNewLineAfterDeclaration()

  DOCUMENT ME!

  Returns:
    true if a new line should be printed following XML declaration

### isExpandEmptyElements

    public boolean isExpandEmptyElements()

### setExpandEmptyElements

    public void setExpandEmptyElements(boolean expandEmptyElements)

  This will set whether empty elements are expanded from `<tagName>` to `<tagName></tagName>`.

  Parameters:
    `expandEmptyElements` - `boolean` indicating whether or not empty elements should be expanded.

### isTrimText

    public boolean isTrimText()

### setTrimText

    public void setTrimText(boolean trimText)

  This will set whether the text is output verbatim (false) or with whitespace stripped as per ``Element.getTextTrim()``.

  Default: false

  Parameters:
    `trimText` - `boolean` true=>trim the whitespace, false=>use text verbatim

### isPadText

    public boolean isPadText()

### setPadText

    public void setPadText(boolean padText)

  Ensure that text immediately preceded by or followed by an element will be "padded" with a single space. This is used to allow make browser-friendly HTML, avoiding trimText's transformation of, e.g., `The quick <b>brown</b> fox` into `The quick<b>brown</b>fox` (the latter will run the three separate words together into a single word). This setting is not too useful if you haven't also called `setTrimText(boolean)`.

  The padding string will only be added if the text itself starts or ends with some whitespace characters.

  Default: false

  Parameters:
    `padText` - `boolean` if true, pad string-element boundaries

### getIndent

    public String getIndent()

### setIndent

    public void setIndent(String indent)

  This will set the indent `String` to use; this is usually a `String` of empty spaces. If you pass null, or the empty string (""), then no indentation will happen.

  Default: none (null)

  Parameters:
    `indent` - `String` to use for indentation.

### setIndent

    public void setIndent(boolean doIndent)

  Set the indent on or off. If setting on, will use the value of STANDARD_INDENT, which is usually two spaces.

  Parameters:
    `doIndent` - if true, set indenting on; if false, set indenting off

### setIndentSize

    public void setIndentSize(int indentSize)

  This will set the indent `String`'s size; an indentSize of 4 would result in the indention being equivalent to the `String` " " (four space characters).

  Parameters:
    `indentSize` - `int` number of spaces in indentation.

### isXHTML

    public boolean isXHTML()

  Whether or not to use the XHTML standard: like HTML but passes an XML parser with real, closed tags. Also, XHTML CDATA sections will be output with the CDATA delimiters: ( " <![CDATA[ " and " ]]> " ) otherwise, the class HTMLWriter will output the CDATA text, but not the delimiters.

  Default is `false`

  Returns:
    DOCUMENT ME!

### setXHTML

    public void setXHTML(boolean xhtml)

  This will set whether or not to use the XHTML standard: like HTML but passes an XML parser with real, closed tags. Also, XHTML CDATA sections will be output with the CDATA delimiters: ( " <[CDATA[ " and " ]]< ) otherwise, the class HTMLWriter will output the CDATA text, but not the delimiters.

  Default: false

  Parameters:
    `xhtml` - `boolean` true=>conform to XHTML, false=>conform to HTML, can have unclosed tags, etc.

### getNewLineAfterNTags

    public int getNewLineAfterNTags()

### setNewLineAfterNTags

    public void setNewLineAfterNTags(int tagCount)

  Controls output of a line.separator every tagCount tags when isNewlines is false. If tagCount equals zero, it means don't do anything special. If greater than zero, then a line.separator will be output after tagCount tags have been output. Used when you would like to squeeze the html as much as possible, but some browsers don't like really long lines. A tag count of 10 would produce a line.separator in the output after 10 close tags (including single tags).

  Parameters:
    `tagCount` - DOCUMENT ME!

### getAttributeQuoteCharacter

    public char getAttributeQuoteCharacter()

### setAttributeQuoteCharacter

    public void setAttributeQuoteCharacter(char quoteChar)

  Sets the character used to quote attribute values. The specified character must be a valid XML attribute quote character, otherwise an `IllegalArgumentException` will be thrown.

  Parameters:
    `quoteChar` - The character to use when quoting attribute values.
  Throws:
    `IllegalArgumentException` - If the specified character is not a valid XML attribute quote character.

### parseOptions

    public int parseOptions(String[] args,
                            int i)

  Parses command line arguments of the form `-omitEncoding -indentSize 3 -newlines -trimText`

  Parameters:
    `args` - is the array of command line arguments
    `i` - is the index in args to start parsing options
  Returns:
    the index of first parameter that we didn't understand

### createPrettyPrint

    public static OutputFormat createPrettyPrint()

  A static helper method to create the default pretty printing format. This format consists of an indent of 2 spaces, newlines after each element and all other whitespace trimmed, and XMTML is false.

  Returns:
    DOCUMENT ME!

### createCompactFormat

    public static OutputFormat createCompactFormat()

  A static helper method to create the default compact format. This format does not have any indentation or newlines after an alement and all other whitespace trimmed

  Returns:
    DOCUMENT ME!

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