info.bliki.htmlcleaner

Class Utils

java.lang.Object

info.bliki.htmlcleaner.Utils

public class Utils
extends Object

Common utilities.

Created by: Vladimir Nikic
Date: November, 2006.

Field Summary

Fields

Modifier and Type	Field and Description
static String	VAR_END
static String	VAR_START

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
static void	appendAmpersandEscapedAttribute(StringBuilder writer, String attributeName, Map<String,String> tagAtttributes)
static void	appendEscapedAttribute(Appendable writer, String attributeName, Map<String,String> tagAtttributes)
static String	escapeXml(String s, boolean advanced, boolean recognizeUnicodeChars, boolean translateSpecialEntities) Escapes XML string.
static String	escapeXmlChars(String s)
static void	escapeXmlToBuffer(String s, Appendable result, boolean advanced, boolean recognizeUnicodeChars, boolean translateSpecialEntities) Escapes XML string into the given result buffer.
static void	escapeXmlToBuffer(String s, Appendable result, boolean advanced, boolean recognizeUnicodeChars, boolean translateSpecialEntities, boolean plainText) Escapes XML string into the given result buffer.
static String	evaluateTemplate(String template, Map<String,String> variables) Evaluates string template for specified map of variables.
static boolean	isHexadecimalDigit(char ch)
static String	ltrim(String s) Trims specified string from left.
static String	ltrimNewline(String s) Trims specified string from left and stop at \n character
static StringBuffer	readUrl(URL url, String charset) Reads content from the specified URL with specified charset into string
static String	rtrim(String s) Trims specified string from right.
static String	trimNewlineLeft(String s) Trims specified string from left and stops at \n character on the left
static String	trimNewlineRight(String s) Trims specified string from right and stops at \n character on the right

Methods inherited from class java.lang.Object

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

Field Detail

VAR_START

public static String VAR_START

VAR_END

public static String VAR_END

Constructor Detail

Utils

public Utils()

Method Detail

ltrim

public static String ltrim(String s)

Trims specified string from left.

Parameters:

s -

rtrim

public static String rtrim(String s)

Trims specified string from right.

Parameters:

s -

ltrimNewline

public static String ltrimNewline(String s)

Trims specified string from left and stop at \n character

Parameters:

s -

trimNewlineLeft

public static String trimNewlineLeft(String s)

Trims specified string from left and stops at \n character on the left

Parameters:

s -

trimNewlineRight

public static String trimNewlineRight(String s)

Trims specified string from right and stops at \n character on the right

Parameters:

s -

readUrl

public static StringBuffer readUrl(URL url,
                                   String charset)
                            throws IOException

Reads content from the specified URL with specified charset into string

Parameters:

url -

charset -

Throws:

IOException

isHexadecimalDigit

public static boolean isHexadecimalDigit(char ch)

escapeXml

public static String escapeXml(String s,
                               boolean advanced,
                               boolean recognizeUnicodeChars,
                               boolean translateSpecialEntities)

Escapes XML string.

escapeXmlToBuffer

public static void escapeXmlToBuffer(String s,
                                     Appendable result,
                                     boolean advanced,
                                     boolean recognizeUnicodeChars,
                                     boolean translateSpecialEntities)
                              throws IOException

Escapes XML string into the given result buffer.

Throws:

IOException

escapeXmlToBuffer

public static void escapeXmlToBuffer(String s,
                                     Appendable result,
                                     boolean advanced,
                                     boolean recognizeUnicodeChars,
                                     boolean translateSpecialEntities,
                                     boolean plainText)
                              throws IOException

Escapes XML string into the given result buffer.

Throws:

IOException

escapeXmlChars

public static String escapeXmlChars(String s)

appendAmpersandEscapedAttribute

public static void appendAmpersandEscapedAttribute(StringBuilder writer,
                                                   String attributeName,
                                                   Map<String,String> tagAtttributes)

appendEscapedAttribute

public static void appendEscapedAttribute(Appendable writer,
                                          String attributeName,
                                          Map<String,String> tagAtttributes)
                                   throws IOException

Throws:

IOException

evaluateTemplate

public static String evaluateTemplate(String template,
                                      Map<String,String> variables)

Evaluates string template for specified map of variables. Template string can contain dynamic parts in the form of ${VARNAME}. Each such part is replaced with value of the variable if such exists in the map, or with empty string otherwise.

Parameters:

template - Template string

variables - Map of variables (can be null)

Returns:

Evaluated string