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nectar.services
Class StringTools  

java.lang.Object
  nectar.services.StringTools

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public abstract class StringTools

extends java.lang.Object

A collection of String transformation utilities.

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Field Summary
private static byte	INVALID
private static byte	NO_TAG
private static byte	TAG_ATTR
private static byte	TAG_NAME

 

Constructor Summary

StringTools()

 

Method Summary
static java.lang.String	boolToString(boolean b)           if the given boolean is true, returns the String "true", else return "false".
static java.lang.String	nl2br(java.lang.String original)           Converts all newline characters in the given String to " ".
static boolean	stringToBool(java.lang.String s)           if the given String is "true" or "yes", return true.
static java.lang.String	strip_tags(java.lang.String original, java.util.Collection allowed_tags)           Parse a string and remove all HTML tags and the like (php, xml, javascript, etc) except the allowed_tags.
static java.lang.String	word_trim(java.lang.String original, int maxLength)           Shortens a String to a certain character length without chopping words.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

NO_TAG

private static final byte NO_TAG

See Also:

Constant Field Values

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TAG_NAME

private static final byte TAG_NAME

See Also:

Constant Field Values

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TAG_ATTR

private static final byte TAG_ATTR

See Also:

Constant Field Values

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INVALID

private static final byte INVALID

See Also:

Constant Field Values

Constructor Detail

StringTools

public StringTools()

Method Detail

word_trim

public static java.lang.String word_trim(java.lang.String original,
                                         int maxLength)

Shortens a String to a certain character length without chopping words. If the given String is longer than maxLength, The returned String will contain the beginning of the given String and "..." after the last word before the given character length is reached. The resulting String is never long than maxLength. If no words are cut (because the String is shorter than maxLength, the String is returned as is.

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nl2br

public static java.lang.String nl2br(java.lang.String original)

Converts all newline characters in the given String to "
".

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boolToString

public static java.lang.String boolToString(boolean b)

if the given boolean is true, returns the String "true", else return "false".

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stringToBool

public static boolean stringToBool(java.lang.String s)

if the given String is "true" or "yes", return true. If the String is anything else, return false.

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strip_tags

public static java.lang.String strip_tags(java.lang.String original,
                                          java.util.Collection allowed_tags)

Parse a string and remove all HTML tags and the like (php, xml, javascript, etc) except the allowed_tags.

Some of the code in this class was copied and translated to Java from the PHP 3.0.18 distribution, in accordance to the GNU Public License.

Note that if you allow the "a" tag, all it's descendants (a href, a name, a onMouseOver, etc) will also be allowed.

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