OutputFormat (dom4j 1.6.1 API)

dom4j API

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org.dom4j.io Class OutputFormat

java.lang.Object
  extended byorg.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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