Package com.puppycrawl.tools.checkstyle

Class AstTreeStringPrinter

java.lang.Object

com.puppycrawl.tools.checkstyle.AstTreeStringPrinter

public final class AstTreeStringPrinter
extends java.lang.Object

Class for printing AST to String.

Method Summary

Modifier and Type	Method	Description
static java.lang.String	printAst(FileText text, JavaParser.Options options)	Parse a file and print the parse tree.
static java.lang.String	printBranch(DetailAST node)	Print branch info from root down to given node.
static java.lang.String	printFileAst(java.io.File file, JavaParser.Options options)	Parse a file and print the parse tree.
static java.lang.String	printJavaAndJavadocTree(java.io.File file)	Prints full AST (java + comments + javadoc) of the java file.

Methods inherited from class java.lang.Object

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

Method Detail

printFileAst

public static java.lang.String printFileAst(java.io.File file,
                                            JavaParser.Options options)
                                     throws java.io.IOException,
                                            CheckstyleException

Parse a file and print the parse tree.

Parameters:

file - the file to print.

options - JavaParser.Options to control the inclusion of comment nodes.

Returns:

the AST of the file in String form.

Throws:

java.io.IOException - if the file could not be read.

CheckstyleException - if the file is not a Java source.

printJavaAndJavadocTree

public static java.lang.String printJavaAndJavadocTree(java.io.File file)
                                                throws java.io.IOException,
                                                       CheckstyleException

Prints full AST (java + comments + javadoc) of the java file.

Parameters:

file - java file

Returns:

Full tree

Throws:

java.io.IOException - Failed to open a file

CheckstyleException - error while parsing the file

printAst

public static java.lang.String printAst(FileText text,
                                        JavaParser.Options options)
                                 throws CheckstyleException

Parse a file and print the parse tree.

Parameters:

text - the text to parse.

options - JavaParser.Options to control the inclusion of comment nodes.

Returns:

the AST of the file in String form.

Throws:

CheckstyleException - if the file is not a Java source.

printBranch

public static java.lang.String printBranch(DetailAST node)

Print branch info from root down to given node.

Parameters:

node - last item of the branch

Returns:

branch as string