Java Doc for StringUtils.java in  » Database-ORM » JPOX » org » jpox » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » JPOX » org.jpox.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.jpox.util.StringUtils StringUtils public class StringUtils (Code) Utilities for String manipulation. version:    $Revision: 1.23 $ Method Summary public static  boolean areStringsEqual(String str1, String str2)      Utility to tell if two strings are the same. public static  String booleanArrayToString(boolean[] ba)      Utility to convert a boolean[] to a String. public static  String collectionToString(Collection coll)      Converts the given collection of objects to string as a comma-separated list. public static  String getDecodedStringFromURLString(String urlString)      public static  File getFileForFilename(String filename)      Convenience method to get a File for the specified filename. public static  int getIntValueForProperty(Properties props, String propName, int defaultValue)      Convenience method to extract an integer property value from a Properties file. public static  JarFile getJarFileForFilename(String filename)      Convenience method to get a JarFile for the specified filename. public static  String getStringFromStackTrace(Throwable ex)      public static  String intArrayToString(int[] ia)      Utility to convert an int[] to a String. public static  boolean isEmpty(String s)      check string is null or length is 0. Parameters:   s - check string return true if string is null or length is 0. public static  boolean isValidJavaIdentifierForJDOQL(String s)      Utility to check if a name is a valid Java identifier. public static  boolean isWhitespace(String str)      Utility to check if a string is whitespace. public static  String leftAlignedPaddedString(String input, int length)      Utility to return a left-aligned version of a string padded to the number of characters specified. public static  boolean notEmpty(String s)      check string isnot null and length > 0. Parameters:   s - check string return true if string isnot null and length greater than 0. public static  String objectArrayToString(Object[] arr)      Utility to convert an Object[] to a String. public static  String replaceAll(String theString, String toReplace, String replacement)      Replaces each substring of this string that matches toReplace. Used to replace replaceAll when using J2SDK 1.3.1. This method is available at String.replaceAll in J2SDK 1.4 Parameters:   theString - The string to use Parameters:   toReplace - The string to replace. Parameters:   replacement - The replacement string. public static  String rightAlignedPaddedString(String input, int length)      Utility to return a right-aligned version of a string padded to the number of characters specified. public static  String[] split(String valuesString, String token)      public static  String toJVMIDString(Object obj)      Utility to convert an object to a JVM type string. Method Detail areStringsEqual public static boolean areStringsEqual(String str1, String str2)(Code) Utility to tell if two strings are the same. Extends the basic String 'equals' method by allowing for nulls. Parameters:   str1 - The first string Parameters:   str2 - The second string Whether the strings are equal. booleanArrayToString public static String booleanArrayToString(boolean[] ba)(Code) Utility to convert a boolean[] to a String. Parameters:   ba - The boolean[] String version collectionToString public static String collectionToString(Collection coll)(Code) Converts the given collection of objects to string as a comma-separated list. If the list is empty the string "<none>" is returned. Parameters:   coll - collection of objects to be converted A string containing each object in the given collection,converted toString() and separated by commas. getDecodedStringFromURLString public static String getDecodedStringFromURLString(String urlString)(Code) Convenience method to decode a URL string for use (so spaces are allowed) Parameters:   urlString - The URL string The string getFileForFilename public static File getFileForFilename(String filename)(Code) Convenience method to get a File for the specified filename. Caters for URL-encoded characters in the filename (treatment of spaces on Windows etc) Parameters:   filename - Name of file The File getIntValueForProperty public static int getIntValueForProperty(Properties props, String propName, int defaultValue)(Code) Convenience method to extract an integer property value from a Properties file. Parameters:   props - The Properties Parameters:   propName - Name of the property Parameters:   defaultValue - The default value to use (in case not specified) The value getJarFileForFilename public static JarFile getJarFileForFilename(String filename) throws IOException(Code) Convenience method to get a JarFile for the specified filename. Caters for URL-encoded characters in the filename (treatment of spaces on Windows etc) Parameters:   filename - Name of file The JarFile getStringFromStackTrace public static String getStringFromStackTrace(Throwable ex)(Code) Convert an exception to a String with full stack trace Parameters:   ex - the exception a String with the full stacktrace error text intArrayToString public static String intArrayToString(int[] ia)(Code) Utility to convert an int[] to a String. Parameters:   ia - The int[] String version isEmpty public static boolean isEmpty(String s)(Code) check string is null or length is 0. Parameters:   s - check string return true if string is null or length is 0. return false other case. isValidJavaIdentifierForJDOQL public static boolean isValidJavaIdentifierForJDOQL(String s)(Code) Utility to check if a name is a valid Java identifier. Used by JDOQL in validating the names of parameters/variables. Parameters:   s - The name Whether it is a valid identifier in Java. isWhitespace public static boolean isWhitespace(String str)(Code) Utility to check if a string is whitespace. If the string is null, returns true also. Parameters:   str - The string to check Whether the string is just whitespace leftAlignedPaddedString public static String leftAlignedPaddedString(String input, int length)(Code) Utility to return a left-aligned version of a string padded to the number of characters specified. Parameters:   input - The input string Parameters:   length - The length desired The updated string notEmpty public static boolean notEmpty(String s)(Code) check string isnot null and length > 0. Parameters:   s - check string return true if string isnot null and length greater than 0. return false other case. objectArrayToString public static String objectArrayToString(Object[] arr)(Code) Utility to convert an Object[] to a String. Parameters:   arr - The Object[] String version replaceAll public static String replaceAll(String theString, String toReplace, String replacement)(Code) Replaces each substring of this string that matches toReplace. Used to replace replaceAll when using J2SDK 1.3.1. This method is available at String.replaceAll in J2SDK 1.4 Parameters:   theString - The string to use Parameters:   toReplace - The string to replace. Parameters:   replacement - The replacement string. The updated string after replacing. rightAlignedPaddedString public static String rightAlignedPaddedString(String input, int length)(Code) Utility to return a right-aligned version of a string padded to the number of characters specified. Parameters:   input - The input string Parameters:   length - The length desired The updated string split public static String[] split(String valuesString, String token)(Code) Splits a list of values separated by a token Parameters:   valuesString - the text to be splited Parameters:   token - the token an array with all values toJVMIDString public static String toJVMIDString(Object obj)(Code) Utility to convert an object to a JVM type string. Returns the same as would have been output from Object.toString() if the class hadn't overridden it. Parameters:   obj - The object The String version Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)