ilog.views.chart.util

Class IlvChartUtil

java.lang.Object

ilog.views.chart.util.IlvChartUtil

public class IlvChartUtil
extends Object

This class defines a set of utility methods.

Since:

JViews 5.0

Method Summary

Modifier and Type	Method and Description
static void	checkNullParam(String argName, Object arg) Checks whether a parameter is null and throws an exception.
static int	compareToJavaVersion(int i1, int i2, int i3) Compare the specified Java version with the current version.
static Cursor	createCursor(Image image, Point hotspot, String name, int defaultType) Creates a custom cursor using the specified image.
static int[]	getJavaVersion() Returns the Java version.
static void	registerKey(String key) Deprecated. Beginning with JViews 6.0, runtime keys are stored in a file called "deploy.txt" inside the application jar file. This method has no effect any more. You need to use the method ilog.views.util.IlvProductUtil#registerApplication instead.
static String	relativeURL(URL baseURL, URL url) Returns a relative URL based on a specified base URL.

Methods inherited from class java.lang.Object

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

Method Detail

createCursor

public static Cursor createCursor(Image image,
                                  Point hotspot,
                                  String name,
                                  int defaultType)

Creates a custom cursor using the specified image. If the cursor cannot be created, returns a predefined cursor of the specified type.

Parameters:

image - The image used to create the cursor.

hotspot - The x and y of the cursor hotspot.

name - The name of the cursor.

defaultType - The type of the predefined cursor to return if the creation failed.

registerKey

@Deprecated
public static final void registerKey(String key)

Deprecated. Beginning with JViews 6.0, runtime keys are stored in a file called "deploy.txt" inside the application jar file. This method has no effect any more. You need to use the method ilog.views.util.IlvProductUtil#registerApplication instead.

This method allows you to register the Runtime Key that allows you to deploy an application using JViews. Note that you should have a key for each component of the JViews Component Suite.

Deprecated Since:

JViews 6.0

checkNullParam

public static void checkNullParam(String argName,
                                  Object arg)

Checks whether a parameter is null and throws an exception.

Parameters:

argName - The name of the parameter.

arg - The parameter to check.

Throws:

IllegalArgumentException - The specified parameter is null.

Since:

JViews 5.5

compareToJavaVersion

public static int compareToJavaVersion(int i1,
                                       int i2,
                                       int i3)

Compare the specified Java version with the current version.

For example, to check whether the current version is at least 1.3: compareToJavaVersion(1,3,0)>=0.

Parameters:

i1 - First number in version.

i2 - Second number in version.

i3 - Third number in version.

Returns:

A negative integer, zero, or a positive integer as the current version is less than, equal to, or greater than the specified version.

Since:

JViews 5.5

getJavaVersion

public static int[] getJavaVersion()

Returns the Java version. The method retrieves the version from the java.version system property. Then, it splits the version into a triplet of 3 integers. For example:

   JDK 1.5.0: {1, 5, 0}
   JDK 1.6.0: {1, 6, 0}
 

Returns:

The Java version. The returned array must not be modified.

Since:

JViews 5.5

relativeURL

public static String relativeURL(URL baseURL,
                                 URL url)

Returns a relative URL based on a specified base URL.

Parameters:

baseURL - The base URL that the resulting URL will be relative to.

url - The absolute URL to transform into a relative URL.

Since:

JViews 6.0