Package org.yamcs.studio.script

Class DataUtil

java.lang.Object

org.yamcs.studio.script.DataUtil

Direct Known Subclasses:

DataUtil

public class DataUtil
extends Object

Utility class to facilitate Javascript programming for data operation. The basic data type such as int, double, boolean and string are exchangeable between JavaScript and Java, which means these types of JavaScript variables can be directly used as parameters of Java methods, but array is not exchangeable between JavaScript and Java. This utility class provides methods to create Java array or convert JavaScript array to Java array.

Constructor Summary

Constructors

Constructor	Description
DataUtil()

Method Summary

Modifier and Type	Method	Description
static final double[]	createDoubleArray(int size)	Create a new double array with given size.
static final int[]	createIntArray(int size)	Create a new int array with given size.
static final MacrosInput	createMacrosInput(boolean include_parent_macros)	Create a MacrosInput, which can be used as the macros input for a container widget or display.
static final double[]	toJavaDoubleArray(Object array)	Convert JavaScript array to Java double array.
static final int[]	toJavaIntArray(Object array)	Convert JavaScript array to Java int array.

Methods inherited from class java.lang.Object

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

Constructor Details

DataUtil

public DataUtil()

Method Details

createIntArray

public static final int[] createIntArray(int size)

Create a new int array with given size.

Parameters:

size - the size of the array

Returns:

an int array with given size.

createDoubleArray

public static final double[] createDoubleArray(int size)

Create a new double array with given size.

Parameters:

size - the size of the array

Returns:

a double array with given size.

toJavaIntArray

public static final int[] toJavaIntArray(Object array)

Convert JavaScript array to Java int array.

Parameters:

array - JavaScript array

Returns:

java int array.

toJavaDoubleArray

public static final double[] toJavaDoubleArray(Object array)

Convert JavaScript array to Java double array.

Parameters:

array - JavaScript array

Returns:

java array.

createMacrosInput

public static final MacrosInput createMacrosInput(boolean include_parent_macros)

Create a MacrosInput, which can be used as the macros input for a container widget or display. New macro can be added or replaced by MacrosInput.put(String macroName, String macroValue);

Parameters:

include_parent_macros - If parent macros should be included.

Returns:

a new created MacrosInput.