Package com.puppycrawl.tools.checkstyle

Class DetailNodeTreeStringPrinter

java.lang.Object

com.puppycrawl.tools.checkstyle.DetailNodeTreeStringPrinter

public final class DetailNodeTreeStringPrinter
extends Object

Parses file as javadoc DetailNode tree and prints to system output stream.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	LINE_SEPARATOR	OS specific line separator.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DetailNodeTreeStringPrinter()	Prevent instances.

Method Summary

Modifier and Type	Method	Description
private static String	getIndentation(DetailNode node)	Get indentation for a node.
private static String	getParseErrorMessage(JavadocDetailNodeParser.ParseErrorMessage parseErrorMessage)	Builds violation base on ParseErrorMessage's violation key, its arguments, etc.
private static DetailNode	parseFile(File file)	Parse a file and return the parse tree.
static DetailNode	parseJavadocAsDetailNode(DetailAST blockComment)	Parse block comment DetailAST as Javadoc DetailNode tree.
private static DetailNode	parseJavadocAsDetailNode(String javadocComment)	Parse javadoc comment to DetailNode tree.
static String	printFileAst(File file)	Parse a file and print the parse tree.
static String	printTree(DetailNode ast, String rootPrefix, String prefix)	Print AST.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

LINE_SEPARATOR

private static final String LINE_SEPARATOR

OS specific line separator.

Constructor Details

DetailNodeTreeStringPrinter

private DetailNodeTreeStringPrinter()

Prevent instances.

Method Details

printFileAst

public static String printFileAst(File file)
                           throws IOException

Parse a file and print the parse tree.

Parameters:

file - the file to print.

Returns:

parse tree as a string

Throws:

IOException - if the file could not be read.

parseJavadocAsDetailNode

public static DetailNode parseJavadocAsDetailNode(DetailAST blockComment)

Parse block comment DetailAST as Javadoc DetailNode tree.

Parameters:

blockComment - DetailAST

Returns:

DetailNode tree

Throws:

IllegalArgumentException - if there is an error parsing the Javadoc.

parseJavadocAsDetailNode

private static DetailNode parseJavadocAsDetailNode(String javadocComment)

Parse javadoc comment to DetailNode tree.

Parameters:

javadocComment - javadoc comment content

Returns:

tree

getParseErrorMessage

private static String getParseErrorMessage(JavadocDetailNodeParser.ParseErrorMessage parseErrorMessage)

Builds violation base on ParseErrorMessage's violation key, its arguments, etc.

Parameters:

parseErrorMessage - ParseErrorMessage

Returns:

error violation

printTree

public static String printTree(DetailNode ast,
 String rootPrefix,
 String prefix)

Print AST.

Parameters:

ast - the root AST node.

rootPrefix - prefix for the root node

prefix - prefix for other nodes

Returns:

string AST.

getIndentation

private static String getIndentation(DetailNode node)

Get indentation for a node.

Parameters:

node - the DetailNode to get the indentation for.

Returns:

the indentation in String format.

parseFile

private static DetailNode parseFile(File file)
                             throws IOException

Parse a file and return the parse tree.

Parameters:

file - the file to parse.

Returns:

the root node of the parse tree.

Throws:

IOException - if the file could not be read.