com.amazonaws.util

Class ParsingUtils

java.lang.Object

com.amazonaws.util.ParsingUtils

public final class ParsingUtils
extends Object

Utility methods to assist in sample parsing.

Constructor Summary

Constructors

Constructor and Description
ParsingUtils()

Method Summary

Modifier and Type	Method and Description
static String	assertFieldHasContent(String field, String value) Asserts that a specified field contains a non-null, non-empty value.
static boolean	fileMatchesExtension(File file, String targetExtension) Determine if a given file matches the target extension.
static String	formatSampleText(List<String> lines, int maxTrim) Formats a section of sample text by removing leading whitespace characters up to a given maximum and by flattening lines into a single string.
static int	getLeadingWhitespace(String str) Returns the number of leading whitespace characters in a given string.
static int	getMinWhitespace(List<String> lines) Gets the minimum amount of leading whitespace in a text block.
static String	trimLeadingWhitespace(String str, int max) Trims up to a certain number of leading whitespace characters from a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

ParsingUtils

public ParsingUtils()

Method Detail

fileMatchesExtension

public static boolean fileMatchesExtension(File file,
                                           String targetExtension)

Determine if a given file matches the target extension.

Parameters:

file - file to check

targetExtension - target extension

Returns:

true if file has target extension

formatSampleText

public static String formatSampleText(List<String> lines,
                                      int maxTrim)

Formats a section of sample text by removing leading whitespace characters up to a given maximum and by flattening lines into a single string.

Parameters:

lines - list where each element represents an individual line of sample text

maxTrim - maximum number of leading whitespace characters to trim from each line

Returns:

formatted sample text string

getMinWhitespace

public static int getMinWhitespace(List<String> lines)

Gets the minimum amount of leading whitespace in a text block.

Parameters:

lines - list where each element represents an individual line of sample text

Returns:

minimum amount of leading whitespace

getLeadingWhitespace

public static int getLeadingWhitespace(String str)

Returns the number of leading whitespace characters in a given string.

Parameters:

str - string to check

Returns:

number of leading whitespace characters

trimLeadingWhitespace

public static String trimLeadingWhitespace(String str,
                                           int max)

Trims up to a certain number of leading whitespace characters from a string.

Parameters:

str - string to process

max - maximum number of whitespace characters to trim

Returns:

trimmed String

assertFieldHasContent

public static String assertFieldHasContent(String field,
                                           String value)

Asserts that a specified field contains a non-null, non-empty value.

Parameters:

field - name of field

value - value from field

Returns:

original value of field, if valid