Java Doc for NumberUtils.java in  » J2EE » spring-framework-2.5 » org » springframework » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » spring framework 2.5 » org.springframework.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.springframework.util.NumberUtils NumberUtils abstract public class NumberUtils (Code) Miscellaneous utility methods for number conversion and parsing. Mainly for internal use within the framework; consider Jakarta's Commons Lang for a more comprehensive suite of string utilities. author:    Juergen Hoeller author:    Rob Harrop since:    1.1.2 Method Summary public static  Number convertNumberToTargetClass(Number number, Class targetClass)      Convert the given number into an instance of the given target class. Parameters:   number - the number to convert Parameters:   targetClass - the target class to convert to the converted number throws:   IllegalArgumentException - if the target class is not supported(i.e. public static  Number parseNumber(String text, Class targetClass)      Parse the given text into a number instance of the given target class, using the corresponding default decode methods. public static  Number parseNumber(String text, Class targetClass, NumberFormat numberFormat)      Parse the given text into a number instance of the given target class, using the given NumberFormat. Method Detail convertNumberToTargetClass public static Number convertNumberToTargetClass(Number number, Class targetClass) throws IllegalArgumentException(Code) Convert the given number into an instance of the given target class. Parameters:   number - the number to convert Parameters:   targetClass - the target class to convert to the converted number throws:   IllegalArgumentException - if the target class is not supported(i.e. not a standard Number subclass as included in the JDK) See Also:   java.lang.Byte See Also:   java.lang.Short See Also:   java.lang.Integer See Also:   java.lang.Long See Also:   java.math.BigInteger See Also:   java.lang.Float See Also:   java.lang.Double See Also:   java.math.BigDecimal parseNumber public static Number parseNumber(String text, Class targetClass)(Code) Parse the given text into a number instance of the given target class, using the corresponding default decode methods. Trims the input String before attempting to parse the number. Supports numbers in hex format (with leading 0x) and in octal format (with leading 0). Parameters:   text - the text to convert Parameters:   targetClass - the target class to parse into the parsed number throws:   IllegalArgumentException - if the target class is not supported(i.e. not a standard Number subclass as included in the JDK) See Also:   java.lang.Byte.decode See Also:   java.lang.Short.decode See Also:   java.lang.Integer.decode See Also:   java.lang.Long.decode See Also:   NumberUtils.decodeBigInteger(String) See Also:   java.lang.Float.valueOf See Also:   java.lang.Double.valueOf See Also:   java.math.BigDecimal.BigDecimal(String) parseNumber public static Number parseNumber(String text, Class targetClass, NumberFormat numberFormat)(Code) Parse the given text into a number instance of the given target class, using the given NumberFormat. Trims the input String before attempting to parse the number. Parameters:   text - the text to convert Parameters:   targetClass - the target class to parse into Parameters:   numberFormat - the NumberFormat to use for parsing (if null,this method falls back to parseNumber(String, Class)) the parsed number throws:   IllegalArgumentException - if the target class is not supported(i.e. not a standard Number subclass as included in the JDK) See Also:   java.text.NumberFormat.parse See Also:   NumberUtils.convertNumberToTargetClass See Also:   NumberUtils.parseNumber(String,Class) 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)