ar.com.fdvs.dj.util

Class Utils

java.lang.Object

ar.com.fdvs.dj.util.Utils

public class Utils
extends Object

Method Summary

Modifier and Type	Method and Description
static void	addNotNull(Collection col, Object obj)
static net.sf.jasperreports.engine.design.JRDesignStyle	cloneStyle(net.sf.jasperreports.engine.design.JRDesignStyle style)
static void	copyProperties(Object dest, Object orig) This takes into account objects that breaks the JavaBean convention and have as getter for Boolean objects an "isXXX" method.
static String	escapeTextForExpression(String text) When adding a text to an expression, we have to make sure that the String will not break JasperReports expression syntax.
static boolean	isEmpty(Collection col) Returns true if collection is null or empty
static boolean	isEmpty(String text)
static void	main(String[] args)
static boolean	stringSet(String string) Check whether string has been set to something other than "" or null.

Methods inherited from class java.lang.Object

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

Method Detail

isEmpty

public static boolean isEmpty(Collection col)

Returns true if collection is null or empty

Parameters:

col -

Returns:

addNotNull

public static void addNotNull(Collection col,
                              Object obj)

copyProperties

public static void copyProperties(Object dest,
                                  Object orig)

This takes into account objects that breaks the JavaBean convention and have as getter for Boolean objects an "isXXX" method.

Parameters:

dest -

orig -

main

public static void main(String[] args)

escapeTextForExpression

public static String escapeTextForExpression(String text)

When adding a text to an expression, we have to make sure that the String will not break JasperReports expression syntax.
For example: if the title text is: November "2009" sales
The double quotes (") must be escaped to \", and in java that would be \\\\\"
single bars "\" are escaped to "\\" To understand better, the expression can be tested in iReport expression editor.

Parameters:

text -

Returns:

cloneStyle

public static net.sf.jasperreports.engine.design.JRDesignStyle cloneStyle(net.sf.jasperreports.engine.design.JRDesignStyle style)

stringSet

public static final boolean stringSet(String string)

Check whether string has been set to something other than "" or null.

Parameters:

string - the String to check

Returns:

a boolean indicating whether the string was non-empty (and non-null)

isEmpty

public static boolean isEmpty(String text)