Module com.github.librepdf.openpdf.parent

Package org.openpdf.util

Class GeneralUtil

java.lang.Object

org.openpdf.util.GeneralUtil

public class GeneralUtil
extends Object

Author:

Patrick Wright

Constructor Summary

Constructors

Constructor	Description
GeneralUtil()

Method Summary

Modifier and Type	Method	Description
static boolean	ciEquals(@Nullable String a, @Nullable String b)
static void	dumpShortException(Exception ex)	Dumps an exception to the console, only the last 5 lines of the stack trace.
static String	escapeHTML(@Nullable String s)	Converts any special characters into their corresponding HTML entities , for example invalid input: '<' to <.
static @Nullable URL	getURLFromClasspath(Object obj, String resource)
static StringBuilder	htmlEscapeSpace(String uri)
static boolean	isMacOSX()
static @Nullable InputStream	openStreamFromClasspath(Object obj, String resource)
static int	parseIntRelaxed(String s)	Parses an integer from a string using less restrictive rules about which characters we won't accept.

Methods inherited from class java.lang.Object

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

Constructor Details

GeneralUtil

public GeneralUtil()

Method Details

ciEquals

@CheckReturnValue
public static boolean ciEquals(@Nullable String a,
 @Nullable String b)

openStreamFromClasspath

@CheckReturnValue
public static @Nullable InputStream openStreamFromClasspath(Object obj,
 String resource)

getURLFromClasspath

@CheckReturnValue
public static @Nullable URL getURLFromClasspath(Object obj,
 String resource)

dumpShortException

public static void dumpShortException(Exception ex)

Dumps an exception to the console, only the last 5 lines of the stack trace.

isMacOSX

@CheckReturnValue
public static boolean isMacOSX()

htmlEscapeSpace

public static StringBuilder htmlEscapeSpace(String uri)

parseIntRelaxed

public static int parseIntRelaxed(String s)

Parses an integer from a string using less restrictive rules about which characters we won't accept. This scavenges the supplied string for any numeric character, while dropping all others.

Parameters:

s - The string to parse

Returns:

The number represented by the passed string, or 0 if the string is null, empty, white-space only, contains only non-numeric characters, or simply evaluates to 0 after parsing (e.g. "0")

escapeHTML

public static String escapeHTML(@Nullable String s)

Converts any special characters into their corresponding HTML entities , for example invalid input: '<' to <. This is done using a character by character test, so you may consider other approaches for large documents. Make sure you declare the entities that might appear in this replacement, e.g. the latin-1 entities This method was taken from a code-samples website, written and hosted by Real Gagnon, at ....

Parameters:

s - The String which may contain characters to escape.

Returns:

The string with the characters as HTML entities.