MFDoubleObject (X3DJSAIL, X3D Java Scene Access Interface Library)

java.lang.Object
- org.web3d.x3d.jsail.fields.X3DConcreteField
- - org.web3d.x3d.jsail.fields.MFDoubleObject

All Implemented Interfaces:

MFDouble, MField, X3DField
```
public class MFDoubleObject
extends X3DConcreteField
implements MFDouble
```
This utility class provides a concrete implementation corresponding to MFDouble X3D field type.

Package hint: This specification class is defined by the X3D Java Language Binding Specification for the Scene Authoring Interface (SAI). MFDouble is an array of Double values, i.e. a double-precision floating-point array type. See GeoVRML 1.0 Recommended Practice, Section 2.3, Limitations of Single Precision for rationale. SFDouble/MFDouble are analagous to SFDouble/MFDouble. Array values are optionally separated by commas.

Related field object: SFDoubleObject

See Also:

X3D Tooltips: type MFDouble, SAI Java Specification: B.4.11 X3DFieldTypes, SAI Abstract Specification: 5.2.15 SAIFieldType, X3D Abstract Specification: SFDoubleAndMFDouble, X3D Tooltips, X3D Tooltips: field, X3D Tooltips: fieldValue, X3D Scene Authoring Hints

Field Summary

Fields
Modifier and Type	Field and Description
`static double[]`	`DEFAULT_VALUE` Default value for this field type is an empty array.
`static java.lang.String`	`DEFAULT_VALUE_STRING` Default string value for this field type is "".
`static java.lang.String`	`NAME` String constant NAME provides name of this element: MFDouble
`static java.util.regex.Pattern`	`PATTERN` Precompiled regular expression (regex) pattern for this field type using default REGEX value.
`static java.lang.String`	`REGEX` Default regular expression (regex) pattern for this field type is (\s)(([+-]?*
`static int`	`TUPLE_SIZE` Default tuple size for this field type is 1 (i.e. number of component values making up a single-field SF object).

Fields inherited from class org.web3d.x3d.jsail.fields.X3DConcreteField
validationResult

Constructor Summary

Constructors
Constructor and Description
`MFDoubleObject()` Constructor for MFDoubleObject performs value initialization.
`MFDoubleObject(double newValue)` Utility constructor for MFDoubleObject to assign a single double as new initial array value.
`MFDoubleObject(double[] newValue)` Constructor for MFDoubleObject using a corresponding Java primitive double[] array as new initial value.
`MFDoubleObject(float[] newValue)` Constructor for MFVec3fObject using an alternatively typed float[] array as new initial value.
`MFDoubleObject(MFDoubleObject newValue)` Constructor to copy an MFDoubleObject value as initial value for this new field object.
`MFDoubleObject(SFDoubleObject newValue)` Utility constructor for MFDoubleObject using a corresponding SFDoubleObject as new initial value (which must pass parsing validation checks).

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`append(double newValue)` Places new value(s) at the end of the existing value array, increasing the field length accordingly.
`void`	`append(double[] newValue)` Appends another array at the end of the existing value array, increasing the field length accordingly.
`MFDoubleObject`	`append(MFDoubleObject newValue)` Appends a new MFDoubleObject to the end of the existing value array, increasing the field length accordingly.
`MFDoubleObject`	`append(SFDoubleObject newValue)` Appends a new singleton typed value at the end of the existing value array, increasing the field length accordingly.
`void`	`clear()` Removes all values in the field array, changing the array size to zero.
`double`	`get1Value(int index)` Get an individual value from the existing field array.
`double[]`	`getPrimitiveValue()` Provides current value of the field as a Java primitive type.
`void`	`getValue(double[] valueDestination)` Get the current value of this MFDoubleObject by copying it into the valueDestination array, leaving the current object unchanged.
`void`	`initialize()` Initialization for MFDoubleObject applies default initial value.
`void`	`insertValue(int index, double newValue)` Insert a new value prior to the index location in the existing value array, increasing the field length accordingly.
`boolean`	`isDefaultValue()` Determine whether current value matches DEFAULT_VALUE
`boolean`	`matches()` Test PATTERN match via regular expression (regex) check of current object's toString() value.
`static boolean`	`matches(java.lang.String value)` Test PATTERN match with regular expression (regex) of provided value.
`MFDoubleObject`	`multiply(double scaleFactor)` Multiply scaleFactor times all values in this field type.
`void`	`remove(int index)` Remove one SFDouble element of the field array at index position, if found.
`void`	`set1Value(int index, double newValue)` Replace a single value at the appropriate location in the existing value array.
`void`	`setValue(double newValue)` Assign a single double value as new array (of length 1).
`void`	`setValue(double[] newValue)` Assign a new double[] value to this field.
`MFDoubleObject`	`setValue(float[] newValue)` Assign a single-precision floating-point array value to this double-precision field.
`void`	`setValue(int size, double[] newValue)` Assign an array subset to this field.
`MFDoubleObject`	`setValue(MFDoubleObject newValue)` Apply an MFDoubleObject value to this field.
`MFDoubleObject`	`setValue(SFDoubleObject newValue)` Assign a single-field SFDoubleObject as new array value.
`MFDoubleObject`	`setValueByString(java.lang.String newValue)` Utility accessor for MFDoubleObject using String value (which must pass parsing validation checks).
`int`	`size()` Get the size of the underlying data array, meaning the number of simple SFDouble elements for the given data type.
`double[]`	`toDoubleArray()` Provide double array for this field type.
`java.lang.String`	`toString()` Provides current value as a String.
`static java.lang.String`	`toString(double[] value)` Static utility method to provide String representation of a correctly typed input value.
`java.lang.String`	`validate()` Validate current value via regular expression (regex) check of current object's toString() value, reporting errors only if found.

Methods inherited from class org.web3d.x3d.jsail.fields.X3DConcreteField
addX3DEventListener, getDefinition, getTupleSize, getValidationResult, isReadable, isWritable, removeX3DEventListener, setReadable, setWritable

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.web3d.x3d.sai.X3DField
addX3DEventListener, getDefinition, isReadable, isWritable, removeX3DEventListener

- Field Detail
  - NAME
```
public static final java.lang.String NAME
```
    String constant NAME provides name of this element: MFDouble
    
    See Also:
    
    Constant Field Values
  - DEFAULT_VALUE
```
public static final double[] DEFAULT_VALUE
```
    Default value for this field type is an empty array.
    
    See Also:
    
    Java Tutorials: Primitive Data Types
  - DEFAULT_VALUE_STRING
```
public static final java.lang.String DEFAULT_VALUE_STRING
```
    Default string value for this field type is "".
    
    See Also:
    
    Constant Field Values
  - TUPLE_SIZE
```
public static final int TUPLE_SIZE
```
    Default tuple size for this field type is 1 (i.e. number of component values making up a single-field SF object).
    
    See Also:
    
    Constant Field Values
  - REGEX
```
public static final java.lang.String REGEX
```
    Default regular expression (regex) pattern for this field type is (\s)*(([+-]?((0|[1-9][0-9]*)(\.[0-9]*)?|\.[0-9]+)([Ee][+-]?[0-9]+)?)\s*,?\s*)*
    
    See Also:
    
    PATTERN, matches(), matches(String), validate(), X3D Regular Expressions: MFDouble, Constant Field Values
  - PATTERN
```
public static final java.util.regex.Pattern PATTERN
```
    Precompiled regular expression (regex) pattern for this field type using default REGEX value.
    
    See Also:
    
    REGEX, matches(), matches(String), validate(), java.util.regex.Pattern
- Constructor Detail
  - MFDoubleObject
```
public MFDoubleObject()
```
    Constructor for MFDoubleObject performs value initialization.
  - MFDoubleObject
```
public MFDoubleObject(double newValue)
```
    Utility constructor for MFDoubleObject to assign a single double as new initial array value.
    
    Parameters:
    
    newValue - is new value to assign
  - MFDoubleObject
```
public MFDoubleObject(SFDoubleObject newValue)
```
    Utility constructor for MFDoubleObject using a corresponding SFDoubleObject as new initial value (which must pass parsing validation checks).
    
    Parameters:
    
    newValue - is new value to assign
  - MFDoubleObject
```
public MFDoubleObject(MFDoubleObject newValue)
```
    Constructor to copy an MFDoubleObject value as initial value for this new field object.
    
    Parameters:
    
    newValue - The newValue to apply
  - MFDoubleObject
```
public MFDoubleObject(double[] newValue)
```
    Constructor for MFDoubleObject using a corresponding Java primitive double[] array as new initial value.
    
    Parameters:
    
    newValue - is new value to assign setContainerFieldOverride(containerFieldName); // apply checksConcreteField#getTupleSize(String)
  - MFDoubleObject
```
public MFDoubleObject(float[] newValue)
```
    Constructor for MFVec3fObject using an alternatively typed float[] array as new initial value.
    
    Parameters:
    
    newValue - is new value to assign
- Method Detail
  - initialize
```
public void initialize()
```
    Initialization for MFDoubleObject applies default initial value. Static initializer also provided to verify that the regex pattern compiles and matches that default value.
    
    Specified by:
    
    initialize in class X3DConcreteField
    
    See Also:
    
    Stack Overflow: How to check if a given Regex is valid?, DEFAULT_VALUE
  - validate
```
public final java.lang.String validate()
```
    Validate current value via regular expression (regex) check of current object's toString() value, reporting errors only if found.
    
    Returns:
    
    empty string if PATTERN matches, warning otherwise
    
    See Also:
    
    REGEX, PATTERN, matches(), matches(String), validate(), java.util.regex.Pattern
  - matches
```
public final boolean matches()
```
    Test PATTERN match via regular expression (regex) check of current object's toString() value.
    
    Returns:
    
    true if PATTERN matches, false otherwise
    
    See Also:
    
    REGEX, PATTERN, matches(), matches(String), validate(), java.util.regex.Pattern
  - matches
```
public static final boolean matches(java.lang.String value)
```
    Test PATTERN match with regular expression (regex) of provided value.
    
    Parameters:
    
    value - String to check against regex pattern for successful match
    
    Returns:
    
    true if PATTERN matches, false otherwise
    
    See Also:
    
    REGEX, PATTERN, matches(), matches(String), validate(), java.util.regex.Pattern
  - setValueByString
```
public MFDoubleObject setValueByString(java.lang.String newValue)
                                throws InvalidFieldValueException
```
    Utility accessor for MFDoubleObject using String value (which must pass parsing validation checks).
    
    Warning: this method is not type safe at compile time! Best practice for X3DJSAIL programmers is to use strongly typed methods instead, in order to avoid potential for run-time errors.
    
    Parameters:
    
    newValue - is new value to assign, if empty then assign DEFAULT_VALUE
    
    Returns:
    
    MFMatrix4dObject - namely this same object to allow sequential method pipelining (i.e. consecutive method invocations on the same node object).
    
    Throws:
    
    InvalidFieldValueException
    
    See Also:
    
    X3DLoaderObject.toX3dObjectTree(org.w3c.dom.Node)
  - toString
```
public static java.lang.String toString(double[] value)
```
    Static utility method to provide String representation of a correctly typed input value.
    
    Parameters:
    
    value - The value to convert to a String
    
    Returns:
    
    String version of the provided value, with trailing zeroes and decimal points omitted.
    
    See Also:
    
    X3D Tooltips: type, SFDoubleObject.stripTrailingZeroes(double)
  - getValue
```
public void getValue(double[] valueDestination)
```
    Get the current value of this MFDoubleObject by copying it into the valueDestination array, leaving the current object unchanged.
    
    Specified by:
    
    getValue in interface MFDouble
    
    Parameters:
    
    valueDestination - The array to be filled in with current field values.
  - getPrimitiveValue
```
public double[] getPrimitiveValue()
```
    Provides current value of the field as a Java primitive type.
    
    Returns:
    
    current value
  - toString
```
public java.lang.String toString()
```
    Provides current value as a String.
    
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    String version of the provided value, with trailing zeroes and decimal points omitted.
    
    See Also:
    
    X3D Tooltips: type MFDouble, SFDoubleObject.stripTrailingZeroes(double)
  - get1Value
```
public double get1Value(int index)
```
    Get an individual value from the existing field array.
    If the index is outside the bounds of the current array of data values, an ArrayIndexOutOfBoundsException is thrown.
    
    Specified by:
    
    get1Value in interface MFDouble
    
    Parameters:
    
    index - is position of selected value in current array
    
    Returns:
    
    The selected value
    
    Throws:
    
    java.lang.ArrayIndexOutOfBoundsException - The index was outside of the bounds of the current array.
  - setValue
```
public void setValue(int size,
                     double[] newValue)
```
    Assign an array subset to this field.
    
    Specified by:
    
    setValue in interface MFDouble
    
    Parameters:
    
    size - indicates size of result to copy (i.e. the number of typed singleton values) from beginning of newValue array.
    
    newValue - The replacement value array to (potentially) slice and then assign.
    
    See Also:
    
    X3DConcreteField.getTupleSize(String)
  - setValue
```
public void setValue(double[] newValue)
```
    Assign a new double[] value to this field.
    
    Parameters:
    
    newValue - is replacement value array to assign
    
    See Also:
    
    X3DConcreteField.getTupleSize(String)
  - setValue
```
public MFDoubleObject setValue(float[] newValue)
```
    Assign a single-precision floating-point array value to this double-precision field.
    
    Warning: this method casts type of input values from lower precision to higher precision.
    
    Parameters:
    
    newValue - is replacement value array to assign
    
    Returns:
    
    MFDoubleObject - namely this same object to allow sequential method pipelining (i.e. consecutive method invocations on the same object).
    
    See Also:
    
    X3DConcreteField.getTupleSize(String)
  - setValue
```
public void setValue(double newValue)
```
    Assign a single double value as new array (of length 1).
    
    Parameters:
    
    newValue - The replacement value to assign.
  - setValue
```
public MFDoubleObject setValue(SFDoubleObject newValue)
```
    Assign a single-field SFDoubleObject as new array value.
    
    Parameters:
    
    newValue - The replacement value to assign.
    
    Returns:
    
    MFDoubleObject - namely this same object to allow sequential method pipelining (i.e. consecutive method invocations on the same node object).
  - set1Value
```
public void set1Value(int index,
                      double newValue)
               throws java.lang.ArrayIndexOutOfBoundsException
```
    Replace a single value at the appropriate location in the existing value array. Size of the current underlying value array does not change.
    
    Specified by:
    
    set1Value in interface MFDouble
    
    Parameters:
    
    index - is position of selected value in current array
    
    newValue - provides new value to apply
    
    Throws:
    
    java.lang.ArrayIndexOutOfBoundsException
    
    See Also:
    
    X3DConcreteField.getTupleSize(String)
  - append
```
public void append(double newValue)
```
    Places new value(s) at the end of the existing value array, increasing the field length accordingly.
    
    Specified by:
    
    append in interface MFDouble
    
    Parameters:
    
    newValue - The newValue to append
    
    See Also:
    
    X3DConcreteField.getTupleSize(String)
  - append
```
public void append(double[] newValue)
```
    Appends another array at the end of the existing value array, increasing the field length accordingly. Warning: newValue array length must correspond to tuple size for base type MFVec4f tuple size of 4.
    
    Parameters:
    
    newValue - The newValue to append
    
    See Also:
    
    X3DConcreteField.getTupleSize(String)
  - append
```
public MFDoubleObject append(SFDoubleObject newValue)
```
    Appends a new singleton typed value at the end of the existing value array, increasing the field length accordingly. Note: this method can be useful for incrementally constructing arrays.
    
    Parameters:
    
    newValue - The newValue to append
    
    Returns:
    
    MFDoubleObject - namely this same object to allow sequential method pipelining (i.e. consecutive method invocations on the same object).
  - append
```
public MFDoubleObject append(MFDoubleObject newValue)
```
    Appends a new MFDoubleObject to the end of the existing value array, increasing the field length accordingly. Note: this method can be useful for constructing long arrays.
    
    Parameters:
    
    newValue - The newValue to append
    
    Returns:
    
    MFDoubleObject - namely this same object to allow sequential method pipelining (i.e. consecutive method invocations on the same object).
    
    See Also:
    
    X3DConcreteField.getTupleSize(String)
  - insertValue
```
public void insertValue(int index,
                        double newValue)
```
    Insert a new value prior to the index location in the existing value array, increasing the field length accordingly.
    
    Specified by:
    
    insertValue in interface MFDouble
    
    Parameters:
    
    index - The position for the inserted value in the current array
    
    newValue - The newValue to insert
    
    See Also:
    
    X3DConcreteField.getTupleSize(String)
  - size
```
public int size()
```
    Get the size of the underlying data array, meaning the number of simple SFDouble elements for the given data type.
    
    Specified by:
    
    size in interface MField
    
    Returns:
    
    The number of SFDouble elements in this field array.
  - clear
```
public void clear()
```
    Removes all values in the field array, changing the array size to zero.
    
    Specified by:
    
    clear in interface MField
  - remove
```
public void remove(int index)
```
    Remove one SFDouble element of the field array at index position, if found. Initial element is at index 0.
    
    Specified by:
    
    remove in interface MField
    
    Parameters:
    
    index - position of element in field array that gets removed
  - toDoubleArray
```
public double[] toDoubleArray()
```
    Provide double array for this field type.
    
    Returns:
    
    Array of doubles in this field array.
  - setValue
```
public MFDoubleObject setValue(MFDoubleObject newValue)
```
    Apply an MFDoubleObject value to this field.
    
    Parameters:
    
    newValue - The newValue to apply
    
    Returns:
    
    MFDoubleObject - namely this same object to allow sequential method pipelining (i.e. consecutive method invocations on the same object).
  - multiply
```
public MFDoubleObject multiply(double scaleFactor)
```
    Multiply scaleFactor times all values in this field type.
    
    Parameters:
    
    scaleFactor - scalar value for vector multiplication
    
    Returns:
    
    MFDoubleObject - namely this same object to allow sequential method pipelining (i.e. consecutive method invocations on the same object).
  - isDefaultValue
```
public boolean isDefaultValue()
```
    Determine whether current value matches DEFAULT_VALUE
    
    Returns:
    
    whether current value matches DEFAULT_VALUE
    
    See Also:
    
    DEFAULT_VALUE

Class MFDoubleObject

Field Summary

Fields inherited from class org.web3d.x3d.jsail.fields.X3DConcreteField

Constructor Summary

Method Summary

Methods inherited from class org.web3d.x3d.jsail.fields.X3DConcreteField

Methods inherited from class java.lang.Object

Methods inherited from interface org.web3d.x3d.sai.X3DField

Field Detail

NAME

DEFAULT_VALUE

DEFAULT_VALUE_STRING

TUPLE_SIZE

REGEX

PATTERN

Constructor Detail

MFDoubleObject

MFDoubleObject

MFDoubleObject

MFDoubleObject

MFDoubleObject

MFDoubleObject

Method Detail

initialize

validate

matches

matches

setValueByString

toString

getValue

getPrimitiveValue

toString

get1Value

setValue

setValue

setValue

setValue

setValue

set1Value

append

append

append

append

insertValue

size

clear

remove

toDoubleArray

setValue

multiply

isDefaultValue