com.pervasive.datarush.operators.io.textfile

Class FormatAnalyzer

java.lang.Object

com.pervasive.datarush.operators.io.textfile.FormatAnalyzer

Direct Known Subclasses:

ELFAnalyzer

public class FormatAnalyzer
extends Object

A generic format analyzer for log files. Will read the first line to determine the newline character.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FormatAnalyzer.FormatAnalysis Contains the results of analyzing a file.

Constructor Summary

Constructors

Constructor and Description
FormatAnalyzer()

Method Summary

Modifier and Type	Method and Description
FormatAnalyzer.FormatAnalysis	analyze(Path file, CharsetEncoding encoding) Analyze the specified file expecting the described character set encoding.
FormatAnalyzer.FormatAnalysis	analyze(Path file, CharsetEncoding encoding, FileClient client) Analyze the specified file expecting the described character set encoding.
FormatAnalyzer.FormatAnalysis	analyze(Reader input) Analyze the given character stream as log data.
FormatAnalyzer.FormatAnalysis	analyze(String file, CharsetEncoding encoding) Analyze the specified file expecting the described character set encoding.

Methods inherited from class java.lang.Object

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

Constructor Detail

FormatAnalyzer

public FormatAnalyzer()

Method Detail

analyze

public FormatAnalyzer.FormatAnalysis analyze(String file,
                                             CharsetEncoding encoding)
                                      throws IOException,
                                             ParseException

Analyze the specified file expecting the described character set encoding.

Parameters:

file - the file to analyze. This value will be interpreted using Paths.asPath(String).

encoding - a specification of the character set encoding of the file

Returns:

the resulting analysis

Throws:

IOException - if any I/O errors occur while reading the source file

ParseException - if the file cannot be parsed or is otherwise malformed

analyze

public FormatAnalyzer.FormatAnalysis analyze(Path file,
                                             CharsetEncoding encoding)
                                      throws IOException,
                                             ParseException

Analyze the specified file expecting the described character set encoding.

Parameters:

file - the file to analyze

encoding - a specification of the character set encoding of the file

Returns:

the resulting analysis

Throws:

IOException - if any I/O errors occur while reading the source file

ParseException - if the file cannot be parsed or is otherwise malformed

analyze

public FormatAnalyzer.FormatAnalysis analyze(Path file,
                                             CharsetEncoding encoding,
                                             FileClient client)
                                      throws IOException,
                                             ParseException

Analyze the specified file expecting the described character set encoding.

Parameters:

file - the file to analyze

encoding - a specification of the character set encoding of the file

client - the authorization context to use for accessing the file

Returns:

the resulting analysis

Throws:

IOException - if any I/O errors occur while reading the source file

ParseException - if the file cannot be parsed or is otherwise malformed

analyze

public FormatAnalyzer.FormatAnalysis analyze(Reader input)
                                      throws IOException,
                                             ParseException

Analyze the given character stream as log data.

Parameters:

input - the data stream to analyze

Returns:

the resulting analysis of the input

Throws:

IOException - if any I/O errors occur while reading the source file

ParseException - if the file cannot be parsed or is otherwise malformed