Class OGL20Graphics

java.lang.Object

com.blackrook.gloop.opengl.OGLGraphics

com.blackrook.gloop.opengl.gl1.OGL11Graphics

com.blackrook.gloop.opengl.gl1.OGL12Graphics

com.blackrook.gloop.opengl.gl1.OGL13Graphics

com.blackrook.gloop.opengl.gl1.OGL14Graphics

com.blackrook.gloop.opengl.gl1.OGL15Graphics

com.blackrook.gloop.opengl.gl2.OGL20Graphics

All Implemented Interfaces:

OGLVersioned

Direct Known Subclasses:

OGL21Graphics

public class OGL20Graphics
extends OGL15Graphics

OpenGL 2.0 Graphics Implementation.

Author:

Matthew Tropiano

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	OGL20Graphics.Info20

Nested classes/interfaces inherited from class OGL13Graphics

OGL13Graphics.Info13

Nested classes/interfaces inherited from class OGL11Graphics

OGL11Graphics.Info11

Nested classes/interfaces inherited from class OGLGraphics

OGLGraphics.ErrorHandlingType, OGLGraphics.Info, OGLGraphics.Options

Constructor Summary

Constructors

Constructor	Description
OGL20Graphics(OGLGraphics.Options options, boolean core)

Method Summary

Modifier and Type	Method	Description
void	attachProgramShaders(OGLProgram program, OGLProgramShader... shaders)	Attaches a shader to a program.
static Supplier<String>	createFileSourceSupplier(File sourceFile)	Creates a supplier that gets the source from a file.
static Supplier<String>	createFileSourceSupplier(File sourceFile, Charset encoding)	Creates a supplier that gets the source from a file.
protected OGLGraphics.Info	createInfo()	Called once in order to fetch context info.
OGLProgram	createProgram()	Creates a new program object.
ProgramBuilder	createProgramBuilder()	Creates a new program builder.
OGLProgramShader	createProgramShader(ShaderType type, String streamName, String sourceCode)	Creates a new shader object (vertex, fragment, etc.).
OGLProgramShader	createProgramShader(ShaderType type, String streamName, Supplier<String> sourceSupplier)	Creates a new shader object (vertex, fragment, etc.).
static Supplier<String>	createReaderSourceSupplier(Reader reader)	Creates a supplier that gets the source from a Reader.
static Supplier<String>	createStreamSourceSupplier(InputStream sourceStream)	Creates a supplier that gets the source from an input stream.
static Supplier<String>	createStreamSourceSupplier(InputStream sourceStream, Charset encoding)	Creates a supplier that gets the source from an input stream.
void	destroyProgram(OGLProgram program)	Destroys a program.
void	destroyProgramShader(OGLProgramShader shader)	Destroys a program shader.
void	detachProgramShaders(OGLProgram program, OGLProgramShader... shaders)	Detaches a shader from a program.
protected void	endFrame()	Called on frame end - mostly does cleanup of objects that were abandoned in OpenGL.
OGLProgram	getProgram()	Gets the currently bound program.
OGLVersion	getVersion()
void	linkProgram(OGLProgram program)	Links the program with its attached program shaders.
protected void	refreshProgramLinkStatusAndUniforms(OGLProgram program)	Refreshes an OGLProgram's link status, uniforms, and attributes.
void	setFrameBufferWrite(FrameBufferType... types)	Sets the multiple buffers to write to for pixel drawing/rasterizing operations.
void	setPointSpritesEnabled(boolean enabled)	Enables/Disables point sprite conversion.
void	setPointSpriteTexCoordGeneration(boolean enabled)	Sets if texture coordinates are to be generated across point geometry dimensions.
void	setProgram(OGLProgram program)	Binds a program to the current context.
void	setProgramUniformFloat(int locationId, float value)	Sets a uniform float value on the currently-bound program.
void	setProgramUniformFloatArray(int locationId, float... values)	Sets a uniform float array value on the currently-bound program.
void	setProgramUniformInt(int locationId, int value)	Sets a uniform integer value on the currently-bound program.
void	setProgramUniformIntArray(int locationId, int... values)	Sets a uniform integer value array on the currently-bound program.
void	setProgramUniformIVec2(int locationId, int value0, int value1)	Sets a uniform integer vec2 value on the currently-bound program.
void	setProgramUniformIVec3(int locationId, int value0, int value1, int value2)	Sets a uniform integer vec3 value on the currently-bound program.
void	setProgramUniformIVec4(int locationId, int value0, int value1, int value2, int value3)	Sets a uniform integer vec4 value on the currently-bound program.
void	setProgramUniformMatrix2(int locationId, float[] matrix)	Sets a uniform matrix (mat2) value on the currently-bound program.
void	setProgramUniformMatrix2(int locationId, float[][] matrix)	Sets a uniform matrix (mat2) value on the currently-bound program.
void	setProgramUniformMatrix3(int locationId, float[] matrix)	Sets a uniform matrix (mat3) value on the currently-bound program.
void	setProgramUniformMatrix3(int locationId, float[][] matrix)	Sets a uniform matrix (mat3) value on the currently-bound program.
void	setProgramUniformMatrix4(int locationId, float[] matrix)	Sets a uniform matrix (mat4) value on the currently-bound program.
void	setProgramUniformMatrix4(int locationId, float[][] matrix)	Sets a uniform matrix (mat4) value on the currently-bound program.
void	setProgramUniformMatrix4(int locationId, MatrixMode matrixMode)	Sets a uniform matrix (mat4) value on the currently-bound program using a matrix in the matrix stack.
void	setProgramUniformMatrix4(int locationId, Matrix4F matrix)	Sets a uniform matrix (mat4) value on the currently-bound program.
void	setProgramUniformVec2(int locationId, float value0, float value1)	Sets a uniform vec2 value on the currently-bound program.
void	setProgramUniformVec3(int locationId, float value0, float value1, float value2)	Sets a uniform vec3 value on the currently-bound program.
void	setProgramUniformVec4(int locationId, float value0, float value1, float value2, float value3)	Sets a uniform vec4 value on the currently-bound program.
void	setProgramVertexAttribLocation(OGLProgram program, String attribName, int index)	Binds a specific index to a vertex attribute by name.
void	setVertexAttribBufferPointer(int index, DataType dataType, boolean normalize, int dimensions, int stride, int offset)	Sets what positions in the current BufferTargetType.GEOMETRY-bound buffer are used to draw polygonal information: This sets the vertex attribute pointers.
void	setVertexAttribEnabled(int index, boolean enable)	Enables or disables the processing of bound vertex arrays and/or buffers at a specific attrib index.
void	unsetProgram()	Unbinds a program from the current context.

Methods inherited from class OGL15Graphics

createBuffer, createGeometryBuilder, createQuery, destroyBuffer, destroyQuery, endQuery, getBuffer, getCurrentBufferState, getQueryBooleanResult, getQueryResult, isQueryReady, mapByteBuffer, mapDoubleBuffer, mapFloatBuffer, mapIntBuffer, mapLongBuffer, mapShortBuffer, setBuffer, setBufferCapacity, setBufferData, setBufferData, setBufferData, setBufferData, setBufferData, setBufferData, setBufferSubData, setBufferSubData, setBufferSubData, setBufferSubData, setBufferSubData, setBufferSubData, setCurrentBufferState, setFogCoordinateSource, startQuery, unmapBuffer, unsetBuffer

Methods inherited from class OGL14Graphics

createTextureBuilder, setPointAttenuationFormula, setPointAttenuationMaximum, setPointAttenuationMinimum, setTextureFiltering, setTextureFiltering, setTextureLODBias

Methods inherited from class OGL13Graphics

getActiveTextureUnit, getCurrentActiveTextureUnitState, setActiveTextureUnit, setCurrentActiveTextureCoordArray, setCurrentActiveTextureUnitState, setTextureData, setTextureSubData

Methods inherited from class OGL12Graphics

drawGeometryElementRange, setTextureData, setTextureSubData, setTextureWrapping

Methods inherited from class OGL11Graphics

accumulate, attribPop, attribPush, checkLightId, clear, clear, clientAttribPop, clientAttribPush, createTexture, destroyTexture, drawBitmap, drawGeometryArray, drawGeometryElements, finish, flush, getCurrentActiveTextureState, getCurrentMatrixId, getCurrentMatrixStack, getCurrentMatrixStack, getPixelPackAlignment, getPixelUnpackAlignment, getTexture, matrixAspectOrtho, matrixFrustum, matrixGet, matrixGet, matrixLookAt, matrixMode, matrixMultiply, matrixMultiply, matrixOrtho, matrixPerspective, matrixPop, matrixPush, matrixReset, matrixRotateX, matrixRotateY, matrixRotateZ, matrixScale, matrixSet, matrixSet, matrixTranslate, readFrameBuffer, resolveCurrentMatrixStack, setAutoNormalGen, setBackFillMode, setBlendingEnabled, setBlendingFunc, setBlendingFunc, setClearAccum, setClearColor, setClearDepth, setClearStencil, setColor, setColor, setColorARGB, setColorArrayEnabled, setColorArrayPointer, setColorMask, setColorMask, setCurrentActiveTextureState, setCurrentMatrixId, setDepthFunc, setDepthMask, setDepthTestEnabled, setFaceCullingEnabled, setFaceCullingSide, setFaceFront, setFillMode, setFogColor, setFogColor, setFogColor, setFogDensity, setFogEnabled, setFogEnd, setFogExponent, setFogExponentSquared, setFogFormula, setFogLinear, setFogStart, setFrameBufferRead, setFrameBufferWrite, setFrontFillMode, setHint, setLight, setLightAmbientColor, setLightAmbientColor, setLightAmbientColor, setLightAttenuation, setLightDiffuseColor, setLightDiffuseColor, setLightDiffuseColor, setLightEnabled, setLightingEnabled, setLightPosition, setLightShadeType, setLightSpecularColor, setLightSpecularColor, setLightSpecularColor, setLineSmoothingEnabled, setLineWidth, setMaterial, setMaterial, setMaterialAmbientColor, setMaterialAmbientColor, setMaterialAmbientColor, setMaterialDiffuseColor, setMaterialDiffuseColor, setMaterialDiffuseColor, setMaterialEmissionColor, setMaterialEmissionColor, setMaterialEmissionColor, setMaterialShininessFactor, setMaterialSpecularColor, setMaterialSpecularColor, setMaterialSpecularColor, setNormalArrayEnabled, setNormalArrayPointer, setPixelPackAlignment, setPixelUnpackAlignment, setPointSize, setPointSmoothingEnabled, setRasterPosition, setScissorBounds, setScissorTestEnabled, setStencilMask, setStencilTestEnabled, setStencilTestFunc, setStencilTestOperations, setTexGenEyePlane, setTexGenMode, setTexGenObjectPlane, setTexGenQEnabled, setTexGenREnabled, setTexGenSEnabled, setTexGenTEnabled, setTexture, setTextureCoordinateArrayEnabled, setTextureCoordinateArrayPointer, setTextureData, setTextureData, setTextureDataFromReadBuffer, setTextureDataFromReadBuffer, setTextureEnabled, setTextureEnvironment, setTextureFiltering, setTextureFiltering, setTextureSubData, setTextureSubData, setTextureSubDataFromReadBuffer, setTextureSubDataFromReadBuffer, setTextureWrapping, setTextureWrapping, setVertexArrayEnabled, setVertexArrayPointer, setViewport, unsetTexture

Methods inherited from class OGLGraphics

checkError, clearError, currentBlit, currentFrame, currentNanos, currentTime, currentTimeMillis, currentTimeStepMillis, currentTimeStepNanos, destroyObject, fromGLBool, getCanvasAspect, getCanvasHeight, getCanvasWidth, getFloat, getFloats, getGLErrorName, getInfo, getInt, getInts, handleUndeletedObjects, isCore, setClientFlag, setFlag, supports, toGLBool, verifyFeatureSupport, verifyNonCore

Methods inherited from class Object

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

Constructor Details

OGL20Graphics

public OGL20Graphics(OGLGraphics.Options options,
 boolean core)

Method Details

getVersion

public OGLVersion getVersion()

Specified by:

getVersion in interface OGLVersioned

Overrides:

getVersion in class OGL15Graphics

Returns:

the version that this object or value is available for (and higher).

createInfo

protected OGLGraphics.Info createInfo()

Description copied from class: OGLGraphics

Called once in order to fetch context info.

Overrides:

createInfo in class OGL13Graphics

Returns:

the info object.

endFrame

protected void endFrame()

Description copied from class: OGLGraphics

Called on frame end - mostly does cleanup of objects that were abandoned in OpenGL.

Overrides:

endFrame in class OGL15Graphics

setPointSpritesEnabled

public void setPointSpritesEnabled(boolean enabled)

Enables/Disables point sprite conversion. Internally, OpenGL will convert point geometry into billboarded quads or actual polygonal information.

Parameters:

enabled - true to enable, false to disable.

setPointSpriteTexCoordGeneration

public void setPointSpriteTexCoordGeneration(boolean enabled)

Sets if texture coordinates are to be generated across point geometry dimensions. Useful for Point Sprites, obviously.

Parameters:

enabled - true to enable, false to disable.

setFrameBufferWrite

public void setFrameBufferWrite(FrameBufferType... types)

Sets the multiple buffers to write to for pixel drawing/rasterizing operations. By default, this is just the BACK buffer in double-buffered contexts.

Parameters:

types - the buffers to write to from now on, made available to shader programs.

Throws:

GraphicsException - if one of the types is NONE, LEFT, RIGHT, FRONT, BACK, or FRONT_AND_BACK.

createProgramBuilder

public ProgramBuilder createProgramBuilder()

Creates a new program builder.

This program builder aids in building shader program objects, and its ProgramBuilder.create() method will compile and link all of the shaders and return the new object.

Limitations on this implementation version are: No fragment data binding.

Returns:

a new program builder.

createProgramShader

public OGLProgramShader createProgramShader(ShaderType type,
 String streamName,
 String sourceCode)

Creates a new shader object (vertex, fragment, etc.).

Parameters:

type - the shader type. if not a valid shader type, this throws an exception.

streamName - the name of the originating stream (can appear in exceptions).

sourceCode - the code to compile.

Returns:

the instantiated shader.

Throws:

UnsupportedOperationException - if the provided shader type is unavailable in this version.

NullPointerException - if either string is null.

createProgramShader

public OGLProgramShader createProgramShader(ShaderType type,
 String streamName,
 Supplier<String> sourceSupplier)

Creates a new shader object (vertex, fragment, etc.).

Parameters:

type - the shader type. if not a valid shader type, this throws an exception.

streamName - the name of the originating stream (can appear in exceptions).

sourceSupplier - the supplier function for the source code.

Returns:

the instantiated shader.

Throws:

UnsupportedOperationException - if the provided shader type is unavailable in this version.

NullPointerException - if either string is null.

destroyProgramShader

public void destroyProgramShader(OGLProgramShader shader)

Destroys a program shader.

Parameters:

shader - the shader to destroy.

createProgram

public OGLProgram createProgram()

Creates a new program object.

Returns:

a new program object.

Throws:

GraphicsException - if the object could not be created.

destroyProgram

public void destroyProgram(OGLProgram program)

Destroys a program.

Parameters:

program - the program to destroy.

attachProgramShaders

public void attachProgramShaders(OGLProgram program,
 OGLProgramShader... shaders)

Attaches a shader to a program. Throws an error if this program was already linked, or if a program of the same type was already attached.

Parameters:

program - the program to attach the shaders to.

shaders - the shaders to attach.

Throws:

GraphicsException - if this program was already linked, or if a shader of the same type was already attached.

detachProgramShaders

public void detachProgramShaders(OGLProgram program,
 OGLProgramShader... shaders)

Detaches a shader from a program. Throws an error if a program of the same type was already detached.

Parameters:

program - the program to detach shaders from.

shaders - the shaders to detach.

refreshProgramLinkStatusAndUniforms

protected void refreshProgramLinkStatusAndUniforms(OGLProgram program)

Refreshes an OGLProgram's link status, uniforms, and attributes. Should be called when a program is updated via binary upload.

Parameters:

program - the program to update.

setProgramVertexAttribLocation

public void setProgramVertexAttribLocation(OGLProgram program,
 String attribName,
 int index)

Binds a specific index to a vertex attribute by name. Must be done before program link.

Parameters:

program - the program.

attribName - the vertex attribute name in the shader.

index - the desired index.

Throws:

GraphicsException - if the program shader has been linked already.

linkProgram

public void linkProgram(OGLProgram program)

Links the program with its attached program shaders.

Parameters:

program - the program to link.

Throws:

GraphicsException - if an error occurred during link.

getProgram

public OGLProgram getProgram()

Gets the currently bound program.

Returns:

the program, or null if no bound program.

setProgram

public void setProgram(OGLProgram program)

Binds a program to the current context.

Parameters:

program - the program to bind.

setProgramUniformInt

public void setProgramUniformInt(int locationId,
 int value)

Sets a uniform integer value on the currently-bound program.

Parameters:

locationId - the uniform location.

value - the value to set.

setProgramUniformIntArray

public void setProgramUniformIntArray(int locationId,
 int... values)

Sets a uniform integer value array on the currently-bound program.

Parameters:

locationId - the uniform location.

values - the values to set.

setProgramUniformFloat

public void setProgramUniformFloat(int locationId,
 float value)

Sets a uniform float value on the currently-bound program.

Parameters:

locationId - the uniform location.

value - the value to set.

setProgramUniformFloatArray

public void setProgramUniformFloatArray(int locationId,
 float... values)

Sets a uniform float array value on the currently-bound program.

Parameters:

locationId - the uniform location.

values - the values to set.

setProgramUniformVec2

public void setProgramUniformVec2(int locationId,
 float value0,
 float value1)

Sets a uniform vec2 value on the currently-bound program.

Parameters:

locationId - the uniform location.

value0 - the first value to set.

value1 - the second value to set.

setProgramUniformVec3

public void setProgramUniformVec3(int locationId,
 float value0,
 float value1,
 float value2)

Sets a uniform vec3 value on the currently-bound program.

Parameters:

locationId - the uniform location.

value0 - the first value to set.

value1 - the second value to set.

value2 - the third value to set.

setProgramUniformVec4

public void setProgramUniformVec4(int locationId,
 float value0,
 float value1,
 float value2,
 float value3)

Sets a uniform vec4 value on the currently-bound program.

Parameters:

locationId - the uniform location.

value0 - the first value to set.

value1 - the second value to set.

value2 - the third value to set.

value3 - the fourth value to set.

setProgramUniformIVec2

public void setProgramUniformIVec2(int locationId,
 int value0,
 int value1)

Sets a uniform integer vec2 value on the currently-bound program.

Parameters:

locationId - the uniform location.

value0 - the first value to set.

value1 - the second value to set.

setProgramUniformIVec3

public void setProgramUniformIVec3(int locationId,
 int value0,
 int value1,
 int value2)

Sets a uniform integer vec3 value on the currently-bound program.

Parameters:

locationId - the uniform location.

value0 - the first value to set.

value1 - the second value to set.

value2 - the third value to set.

setProgramUniformIVec4

public void setProgramUniformIVec4(int locationId,
 int value0,
 int value1,
 int value2,
 int value3)

Sets a uniform integer vec4 value on the currently-bound program.

Parameters:

locationId - the uniform location.

value0 - the first value to set.

value1 - the second value to set.

value2 - the third value to set.

value3 - the fourth value to set.

setProgramUniformMatrix2

public void setProgramUniformMatrix2(int locationId,
 float[] matrix)

Sets a uniform matrix (mat2) value on the currently-bound program.

Parameters:

locationId - the uniform location.

matrix - the column-major array of values.

Throws:

ArrayIndexOutOfBoundsException - if matrix is not 4 elements or greater and a value is fetched out-of-bounds.

setProgramUniformMatrix2

public void setProgramUniformMatrix2(int locationId,
 float[][] matrix)

Sets a uniform matrix (mat2) value on the currently-bound program.

Parameters:

locationId - the uniform location.

matrix - the multidimensional array of values, each array as one row of values.

Throws:

ArrayIndexOutOfBoundsException - if matrix is not 2x2 or greater and a value is fetched out-of-bounds.

setProgramUniformMatrix3

public void setProgramUniformMatrix3(int locationId,
 float[] matrix)

Sets a uniform matrix (mat3) value on the currently-bound program.

Parameters:

locationId - the uniform location.

matrix - the column-major array of values.

Throws:

ArrayIndexOutOfBoundsException - if matrix is not 9 elements or greater and a value is fetched out-of-bounds.

setProgramUniformMatrix3

public void setProgramUniformMatrix3(int locationId,
 float[][] matrix)

Sets a uniform matrix (mat3) value on the currently-bound program.

Parameters:

locationId - the uniform location.

matrix - the multidimensional array of values, each array as one row of values.

Throws:

ArrayIndexOutOfBoundsException - if matrix is not 3x3 or greater and a value is fetched out-of-bounds.

setProgramUniformMatrix4

public void setProgramUniformMatrix4(int locationId,
 float[] matrix)

Sets a uniform matrix (mat4) value on the currently-bound program.

Parameters:

locationId - the uniform location.

matrix - the column-major array of values.

Throws:

ArrayIndexOutOfBoundsException - if matrix is not 16 elements or greater and a value is fetched out-of-bounds.

setProgramUniformMatrix4

public void setProgramUniformMatrix4(int locationId,
 float[][] matrix)

Sets a uniform matrix (mat4) value on the currently-bound program.

Parameters:

locationId - the uniform location.

matrix - the multidimensional array of values, each array as one row of values.

Throws:

ArrayIndexOutOfBoundsException - if matrix is not 4x4 or greater and a value is fetched out-of-bounds.

setProgramUniformMatrix4

public void setProgramUniformMatrix4(int locationId,
 Matrix4F matrix)

Sets a uniform matrix (mat4) value on the currently-bound program.

Parameters:

locationId - the uniform location.

matrix - the multidimensional array of values, each array as one row of values.

setProgramUniformMatrix4

public void setProgramUniformMatrix4(int locationId,
 MatrixMode matrixMode)

Sets a uniform matrix (mat4) value on the currently-bound program using a matrix in the matrix stack.

Parameters:

locationId - the uniform location.

matrixMode - the matrix to grab values from.

Throws:

UnsupportedOperationException - if matrix modes are unavailable in this version (core implementation).

unsetProgram

public void unsetProgram()

Unbinds a program from the current context.

setVertexAttribEnabled

public void setVertexAttribEnabled(int index,
 boolean enable)

Enables or disables the processing of bound vertex arrays and/or buffers at a specific attrib index.

Parameters:

index - the attribute index or uniform location id.

enable - true to enable, false to disable.

setVertexAttribBufferPointer

public void setVertexAttribBufferPointer(int index,
 DataType dataType,
 boolean normalize,
 int dimensions,
 int stride,
 int offset)

Sets what positions in the current BufferTargetType.GEOMETRY-bound buffer are used to draw polygonal information: This sets the vertex attribute pointers. The index on this can also be a uniform location for an attrib pointer.

Parameters:

index - the attribute index.

dataType - the data type contained in the buffer that will be read (calculates actual sizes of data).

normalize - if true, the data is normalized on read ([-1, 1] for signed values, [0, 1] for unsigned). Else, read as-is.

dimensions - the dimensions of a full set of attribute components (in elements; 3-dimensional vertices = 3).

stride - the distance (in elements) between each attribute.

offset - the offset in each stride where each attribute starts (in elements).

See Also:

• setVertexAttribEnabled(int, boolean)

createFileSourceSupplier

public static Supplier<String> createFileSourceSupplier(File sourceFile)
                                                 throws FileNotFoundException,
IOException

Creates a supplier that gets the source from a file. Assumes system encoding.

Parameters:

sourceFile - the source file.

Returns:

a supplier function for retrieving the source data.

Throws:

FileNotFoundException - if the source file was not found.

IOException - if the file could not be opened.

SecurityException - if the file could not be opened, due to OS restrictions.

createFileSourceSupplier

public static Supplier<String> createFileSourceSupplier(File sourceFile,
 Charset encoding)
                                                 throws FileNotFoundException,
IOException

Creates a supplier that gets the source from a file.

Parameters:

sourceFile - the source file.

encoding - the encoding type of the file.

Returns:

a supplier function for retrieving the source data.

Throws:

FileNotFoundException - if the source file was not found.

IOException - if the file could not be opened.

SecurityException - if the file could not be opened, due to OS restrictions.

createStreamSourceSupplier

public static Supplier<String> createStreamSourceSupplier(InputStream sourceStream)

Creates a supplier that gets the source from an input stream. Assumes system encoding.

Parameters:

sourceStream - the input stream.

Returns:

a supplier function for retrieving the source data.

createStreamSourceSupplier

public static Supplier<String> createStreamSourceSupplier(InputStream sourceStream,
 Charset encoding)

Creates a supplier that gets the source from an input stream.

Parameters:

sourceStream - the input stream.

encoding - the encoding type of the incoming data.

Returns:

a supplier function for retrieving the source data.

createReaderSourceSupplier

public static Supplier<String> createReaderSourceSupplier(Reader reader)

Creates a supplier that gets the source from a Reader. The reader is closed after the read.

Parameters:

reader - the supplied reader.

Returns:

a supplier function for retrieving the source data.