com.esri.arcgis.geometry

Class JSONConverterGeometry

java.lang.Object

com.esri.arcgis.geometry.JSONConverterGeometry

All Implemented Interfaces:

IJSONConverterGeometry, com.esri.arcgis.interop.RemoteObjRef, IExternalDeserializer, IExternalSerializer, IJSONDeserializer, IJSONSerializer, java.io.Serializable

public class JSONConverterGeometry
extends java.lang.Object
implements com.esri.arcgis.interop.RemoteObjRef, IJSONSerializer, IJSONDeserializer, IJSONConverterGeometry

COM Class 'JSONConverterGeometry'. Generated 9/21/2023 10:01:43 AM from 'X:\ArcGIS\com\server\esriGeometry.tlb'

Generator Options: PromptForTypeLibraries = False ClashPrefix = esri_ LowerCaseMemberNames = True IDispatchOnly = False RetryOnReject = False AwtForOcxs = True ArraysAsObjects = False DontRenameSameMethods = False ImplementConflictingInterfaces = True ReuseMethods = True RenameConflictingInterfaceMethods = True GenBeanInfo = True GenerateJavadoc =

See Also:

Serialized Form

Field Summary

Fields inherited from interface com.esri.arcgis.system.IJSONSerializer

IID, IIDab718cdf_0c06_4d18_9aa4_a6c54b2bc28c, xxDummy

Fields inherited from interface com.esri.arcgis.system.IExternalSerializer

IIDe760e960_f144_4b30_930b_5f8056e4e305

Fields inherited from interface com.esri.arcgis.system.IJSONDeserializer

IID, IID1e6dc0eb_5c8a_4401_a8af_bb5602ddfb7e, xxDummy

Fields inherited from interface com.esri.arcgis.system.IExternalDeserializer

IID09134de8_4147_4564_82bd_6cc18414c389

Fields inherited from interface com.esri.arcgis.geometry.IJSONConverterGeometry

IID, IID7cc69669_7023_4dd6_9cdc_3a75325673d7, xxDummy

Constructor Summary

Constructors

Constructor and Description
JSONConverterGeometry() Constructs a JSONConverterGeometry using ArcGIS Engine.
JSONConverterGeometry(java.lang.Object obj) Deprecated. As of ArcGIS 9.2, replaced by normal Java casts. JSONConverterGeometry theJSONConverterGeometry = (JSONConverterGeometry) obj;

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o) Compare this object with another
static java.lang.String	getClsid() getClsid.
com.esri.arcgis.interop.Dispatch	getJintegraDispatch() Gets a reference to a com.esri.arcgis.interop.Dispatch which can be used to access the COM object that support for this interface indicates the implementing class references.
IJSONReader	getReader() Obtains JSON Reader.
IJSONWriter	getWriter() Obtains JSON Writer.
int	hashCode() the hashcode for this object
void	initDeserializer(IJSONReader pReader, IPropertySet pProps) Write deserialization options.
void	initSerializer(IJSONWriter pWriter, IPropertySet pProps) Writes serialization options.
void	queryJSONEnvelope(IEnvelope pEnvelope, boolean skip_spref, IJSONObject pJSON) Queries envelope and populates existing IJSONObject
void	queryJSONGeometry(IGeometry pGeom, boolean skip_spref, IJSONObject pJSON) Queries geometry and populates existing IJSONObject
void	queryJSONGeoTransformation(IGeoTransformation pSR, IJSONObject pJSON) Queries a geographic (datum) transformation object and populates existing IJSONObject
void	queryJSONSpatialReference(ISpatialReference pSR, IJSONObject pJSON) Queries spatial reference and populates existing IJSONObject
IEnvelope	readEnvelope(IJSONReader pReader) Reads envelope object.
IGeometry	readGeometry(IJSONReader pReader, int geomType, boolean bDefaultHasZs, boolean bDefaultHasMs) Reads geometry object.
IGeoTransformation	readGeoTransformation(IJSONReader pReader) Reads a geographic (datum) transformation object.
IMultipoint	readMultipoint(IJSONReader pReader, boolean bDefaultHasZs, boolean bDefaultHasMs) Reads multipoint object.
java.lang.Object	readObject(GUID riid, IPropertySet pProps) Deserialize an object.
IPoint	readPoint(IJSONReader pReader) Reads point object.
IPolygon	readPolygon(IJSONReader pReader, boolean bDefaultHasZs, boolean bDefaultHasMs) Reads polygon object.
IPolyline	readPolyline(IJSONReader pReader, boolean bDefaultHasZs, boolean bDefaultHasMs) Reads polyline object.
ISpatialReference	readSpatialReference(IJSONReader pReader) Reads spatial reference object.
void	release() Release this COM object reference
IEnvelope	toEnvelope(IJSONObject pJSONObject) Reads envelope from a JSON object.
IGeometry	toGeometry(IJSONObject pJSONObject, int geomType, boolean bDefaultHasZs, boolean bDefaultHasMs) Reads geometry object from JSON object.
IGeoTransformation	toGeoTransformation(IJSONObject pJSONObject) Reads a geographic (datum) transformation object from a JSON object.
IMultipoint	toMultipoint(IJSONObject pJSONObject, boolean bDefaultHasZs, boolean bDefaultHasMs) Reads multipoint from a JSON object.
IPoint	toPoint(IJSONObject pJSONObject) Reads point from a JSON object.
IPolygon	toPolygon(IJSONObject pJSONObject, boolean bDefaultHasZs, boolean bDefaultHasMs) Reads polygon from a JSON object.
IPolyline	toPolyline(IJSONObject pJSONObject, boolean bDefaultHasZs, boolean bDefaultHasMs) Reads polyline from a JSON object.
ISpatialReference	toSpatialReference(IJSONObject pJSONObject) Reads spatial reference from a JSON object.
void	writeGeometry(IJSONWriter pWriter, java.lang.String propname, IGeometry pGeom, boolean skip_spref) Writes geometry object.
void	writeGeoTransformation(IJSONWriter pWriter, java.lang.String propname, IGeoTransformation pSR) Writes a geographic (datum) transformation object.
void	writeObject(java.lang.Object pUnk, IPropertySet pProps) Serializes an object.
void	writeSpatialReference(IJSONWriter pWriter, java.lang.String propname, ISpatialReference pSR) Writes spatial reference object.

Methods inherited from class java.lang.Object

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

Constructor Detail

JSONConverterGeometry

public JSONConverterGeometry()
                      throws java.io.IOException,
                             java.net.UnknownHostException

Constructs a JSONConverterGeometry using ArcGIS Engine.

Throws:

java.io.IOException - if there are interop problems

java.net.UnknownHostException - if there are interop problems

JSONConverterGeometry

public JSONConverterGeometry(java.lang.Object obj)
                      throws java.io.IOException

Deprecated. As of ArcGIS 9.2, replaced by normal Java casts.
JSONConverterGeometry theJSONConverterGeometry = (JSONConverterGeometry) obj;

Construct a JSONConverterGeometry using a reference to such an object returned from ArcGIS Engine or Server. This is semantically equivalent to casting obj to JSONConverterGeometry.

Parameters:

obj - an object returned from ArcGIS Engine or Server

Throws:

java.io.IOException - if there are interop problems

Method Detail

getClsid

public static java.lang.String getClsid()

getClsid.

equals

public boolean equals(java.lang.Object o)

Compare this object with another

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

the hashcode for this object

Overrides:

hashCode in class java.lang.Object

getJintegraDispatch

public com.esri.arcgis.interop.Dispatch getJintegraDispatch()

Gets a reference to a com.esri.arcgis.interop.Dispatch which can be used to access the COM object that support for this interface indicates the implementing class references.

Specified by:

getJintegraDispatch in interface com.esri.arcgis.interop.RemoteObjRef

Returns:

the COM object reference

release

public void release()

Release this COM object reference

Specified by:

release in interface com.esri.arcgis.interop.RemoteObjRef

getWriter

public IJSONWriter getWriter()
                      throws java.io.IOException,
                             AutomationException

Obtains JSON Writer.

Specified by:

getWriter in interface IJSONSerializer

Returns:

A reference to a com.esri.arcgis.system.IJSONWriter

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

initSerializer

public void initSerializer(IJSONWriter pWriter,
                           IPropertySet pProps)
                    throws java.io.IOException,
                           AutomationException

Writes serialization options.

Specified by:

initSerializer in interface IJSONSerializer

Parameters:

pWriter - A reference to a com.esri.arcgis.system.IJSONWriter (in)

pProps - A reference to a com.esri.arcgis.system.IPropertySet (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

writeObject

public void writeObject(java.lang.Object pUnk,
                        IPropertySet pProps)
                 throws java.io.IOException,
                        AutomationException

Serializes an object.

Specified by:

writeObject in interface IExternalSerializer

Parameters:

pUnk - A reference to another Object (IUnknown) (in)

pProps - A reference to a com.esri.arcgis.system.IPropertySet (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getReader

public IJSONReader getReader()
                      throws java.io.IOException,
                             AutomationException

Obtains JSON Reader.

Specified by:

getReader in interface IJSONDeserializer

Returns:

A reference to a com.esri.arcgis.system.IJSONReader

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

initDeserializer

public void initDeserializer(IJSONReader pReader,
                             IPropertySet pProps)
                      throws java.io.IOException,
                             AutomationException

Write deserialization options.

Specified by:

initDeserializer in interface IJSONDeserializer

Parameters:

pReader - A reference to a com.esri.arcgis.system.IJSONReader (in)

pProps - A reference to a com.esri.arcgis.system.IPropertySet (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

readObject

public java.lang.Object readObject(GUID riid,
                                   IPropertySet pProps)
                            throws java.io.IOException,
                                   AutomationException

Deserialize an object. riid references an interface to use. If interface is not supported, E_NOTIMPL is returned.

Specified by:

readObject in interface IExternalDeserializer

Parameters:

riid - A Structure: com.esri.arcgis.support.ms.stdole.GUID (in)

pProps - A reference to a com.esri.arcgis.system.IPropertySet (in)

Returns:

A reference to another Object (IUnknown)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

writeSpatialReference

public void writeSpatialReference(IJSONWriter pWriter,
                                  java.lang.String propname,
                                  ISpatialReference pSR)
                           throws java.io.IOException,
                                  AutomationException

Writes spatial reference object. Pass NULL as propname to write a standalone JSON object.

Specified by:

writeSpatialReference in interface IJSONConverterGeometry

Parameters:

pWriter - A reference to a com.esri.arcgis.system.IJSONWriter (in)

propname - The propname (in)

pSR - A reference to a com.esri.arcgis.geometry.ISpatialReference (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

writeGeoTransformation

public void writeGeoTransformation(IJSONWriter pWriter,
                                   java.lang.String propname,
                                   IGeoTransformation pSR)
                            throws java.io.IOException,
                                   AutomationException

Writes a geographic (datum) transformation object. Pass NULL as propname to write a standalone JSON object.

Specified by:

writeGeoTransformation in interface IJSONConverterGeometry

Parameters:

pWriter - A reference to a com.esri.arcgis.system.IJSONWriter (in)

propname - The propname (in)

pSR - A reference to a com.esri.arcgis.geometry.IGeoTransformation (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

writeGeometry

public void writeGeometry(IJSONWriter pWriter,
                          java.lang.String propname,
                          IGeometry pGeom,
                          boolean skip_spref)
                   throws java.io.IOException,
                          AutomationException

Writes geometry object.

Specified by:

writeGeometry in interface IJSONConverterGeometry

Parameters:

pWriter - A reference to a com.esri.arcgis.system.IJSONWriter (in)

propname - The propname (in)

pGeom - A reference to a com.esri.arcgis.geometry.IGeometry (in)

skip_spref - The skip_spref (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

queryJSONSpatialReference

public void queryJSONSpatialReference(ISpatialReference pSR,
                                      IJSONObject pJSON)
                               throws java.io.IOException,
                                      AutomationException

Queries spatial reference and populates existing IJSONObject

Specified by:

queryJSONSpatialReference in interface IJSONConverterGeometry

Parameters:

pSR - A reference to a com.esri.arcgis.geometry.ISpatialReference (in)

pJSON - A reference to a com.esri.arcgis.system.IJSONObject (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

queryJSONGeoTransformation

public void queryJSONGeoTransformation(IGeoTransformation pSR,
                                       IJSONObject pJSON)
                                throws java.io.IOException,
                                       AutomationException

Queries a geographic (datum) transformation object and populates existing IJSONObject

Specified by:

queryJSONGeoTransformation in interface IJSONConverterGeometry

Parameters:

pSR - A reference to a com.esri.arcgis.geometry.IGeoTransformation (in)

pJSON - A reference to a com.esri.arcgis.system.IJSONObject (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

queryJSONEnvelope

public void queryJSONEnvelope(IEnvelope pEnvelope,
                              boolean skip_spref,
                              IJSONObject pJSON)
                       throws java.io.IOException,
                              AutomationException

Queries envelope and populates existing IJSONObject

Specified by:

queryJSONEnvelope in interface IJSONConverterGeometry

Parameters:

pEnvelope - A reference to a com.esri.arcgis.geometry.IEnvelope (in)

skip_spref - The skip_spref (in)

pJSON - A reference to a com.esri.arcgis.system.IJSONObject (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

queryJSONGeometry

public void queryJSONGeometry(IGeometry pGeom,
                              boolean skip_spref,
                              IJSONObject pJSON)
                       throws java.io.IOException,
                              AutomationException

Queries geometry and populates existing IJSONObject

Specified by:

queryJSONGeometry in interface IJSONConverterGeometry

Parameters:

pGeom - A reference to a com.esri.arcgis.geometry.IGeometry (in)

skip_spref - The skip_spref (in)

pJSON - A reference to a com.esri.arcgis.system.IJSONObject (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

readSpatialReference

public ISpatialReference readSpatialReference(IJSONReader pReader)
                                       throws java.io.IOException,
                                              AutomationException

Reads spatial reference object.

Specified by:

readSpatialReference in interface IJSONConverterGeometry

Parameters:

pReader - A reference to a com.esri.arcgis.system.IJSONReader (in)

Returns:

A reference to a com.esri.arcgis.geometry.ISpatialReference

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

readGeoTransformation

public IGeoTransformation readGeoTransformation(IJSONReader pReader)
                                         throws java.io.IOException,
                                                AutomationException

Reads a geographic (datum) transformation object.

Specified by:

readGeoTransformation in interface IJSONConverterGeometry

Parameters:

pReader - A reference to a com.esri.arcgis.system.IJSONReader (in)

Returns:

A reference to a com.esri.arcgis.geometry.IGeoTransformation

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

readGeometry

public IGeometry readGeometry(IJSONReader pReader,
                              int geomType,
                              boolean bDefaultHasZs,
                              boolean bDefaultHasMs)
                       throws java.io.IOException,
                              AutomationException

Reads geometry object. If provided geometry type is esriUnknown, tries to deduce geometry type from the JSON structure.

Specified by:

readGeometry in interface IJSONConverterGeometry

Parameters:

pReader - A reference to a com.esri.arcgis.system.IJSONReader (in)

geomType - A com.esri.arcgis.geometry.esriGeometryType constant (in)

bDefaultHasZs - The bDefaultHasZs (in)

bDefaultHasMs - The bDefaultHasMs (in)

Returns:

A reference to a com.esri.arcgis.geometry.IGeometry

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

readPoint

public IPoint readPoint(IJSONReader pReader)
                 throws java.io.IOException,
                        AutomationException

Reads point object.

Specified by:

readPoint in interface IJSONConverterGeometry

Parameters:

pReader - A reference to a com.esri.arcgis.system.IJSONReader (in)

Returns:

A reference to a com.esri.arcgis.geometry.IPoint

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

readMultipoint

public IMultipoint readMultipoint(IJSONReader pReader,
                                  boolean bDefaultHasZs,
                                  boolean bDefaultHasMs)
                           throws java.io.IOException,
                                  AutomationException

Reads multipoint object.

Specified by:

readMultipoint in interface IJSONConverterGeometry

Parameters:

pReader - A reference to a com.esri.arcgis.system.IJSONReader (in)

bDefaultHasZs - The bDefaultHasZs (in)

bDefaultHasMs - The bDefaultHasMs (in)

Returns:

A reference to a com.esri.arcgis.geometry.IMultipoint

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

readPolygon

public IPolygon readPolygon(IJSONReader pReader,
                            boolean bDefaultHasZs,
                            boolean bDefaultHasMs)
                     throws java.io.IOException,
                            AutomationException

Reads polygon object.

Specified by:

readPolygon in interface IJSONConverterGeometry

Parameters:

pReader - A reference to a com.esri.arcgis.system.IJSONReader (in)

bDefaultHasZs - The bDefaultHasZs (in)

bDefaultHasMs - The bDefaultHasMs (in)

Returns:

A reference to a com.esri.arcgis.geometry.IPolygon

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

readPolyline

public IPolyline readPolyline(IJSONReader pReader,
                              boolean bDefaultHasZs,
                              boolean bDefaultHasMs)
                       throws java.io.IOException,
                              AutomationException

Reads polyline object.

Specified by:

readPolyline in interface IJSONConverterGeometry

Parameters:

pReader - A reference to a com.esri.arcgis.system.IJSONReader (in)

bDefaultHasZs - The bDefaultHasZs (in)

bDefaultHasMs - The bDefaultHasMs (in)

Returns:

A reference to a com.esri.arcgis.geometry.IPolyline

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

readEnvelope

public IEnvelope readEnvelope(IJSONReader pReader)
                       throws java.io.IOException,
                              AutomationException

Reads envelope object.

Specified by:

readEnvelope in interface IJSONConverterGeometry

Parameters:

pReader - A reference to a com.esri.arcgis.system.IJSONReader (in)

Returns:

A reference to a com.esri.arcgis.geometry.IEnvelope

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

toGeometry

public IGeometry toGeometry(IJSONObject pJSONObject,
                            int geomType,
                            boolean bDefaultHasZs,
                            boolean bDefaultHasMs)
                     throws java.io.IOException,
                            AutomationException

Reads geometry object from JSON object.

Specified by:

toGeometry in interface IJSONConverterGeometry

Parameters:

pJSONObject - A reference to a com.esri.arcgis.system.IJSONObject (in)

geomType - A com.esri.arcgis.geometry.esriGeometryType constant (in)

bDefaultHasZs - The bDefaultHasZs (in)

bDefaultHasMs - The bDefaultHasMs (in)

Returns:

A reference to a com.esri.arcgis.geometry.IGeometry

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

toEnvelope

public IEnvelope toEnvelope(IJSONObject pJSONObject)
                     throws java.io.IOException,
                            AutomationException

Reads envelope from a JSON object.

Specified by:

toEnvelope in interface IJSONConverterGeometry

Parameters:

pJSONObject - A reference to a com.esri.arcgis.system.IJSONObject (in)

Returns:

A reference to a com.esri.arcgis.geometry.IEnvelope

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

toSpatialReference

public ISpatialReference toSpatialReference(IJSONObject pJSONObject)
                                     throws java.io.IOException,
                                            AutomationException

Reads spatial reference from a JSON object.

Specified by:

toSpatialReference in interface IJSONConverterGeometry

Parameters:

pJSONObject - A reference to a com.esri.arcgis.system.IJSONObject (in)

Returns:

A reference to a com.esri.arcgis.geometry.ISpatialReference

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

toGeoTransformation

public IGeoTransformation toGeoTransformation(IJSONObject pJSONObject)
                                       throws java.io.IOException,
                                              AutomationException

Reads a geographic (datum) transformation object from a JSON object.

Specified by:

toGeoTransformation in interface IJSONConverterGeometry

Parameters:

pJSONObject - A reference to a com.esri.arcgis.system.IJSONObject (in)

Returns:

A reference to a com.esri.arcgis.geometry.IGeoTransformation

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

toPoint

public IPoint toPoint(IJSONObject pJSONObject)
               throws java.io.IOException,
                      AutomationException

Reads point from a JSON object.

Specified by:

toPoint in interface IJSONConverterGeometry

Parameters:

pJSONObject - A reference to a com.esri.arcgis.system.IJSONObject (in)

Returns:

A reference to a com.esri.arcgis.geometry.IPoint

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

toMultipoint

public IMultipoint toMultipoint(IJSONObject pJSONObject,
                                boolean bDefaultHasZs,
                                boolean bDefaultHasMs)
                         throws java.io.IOException,
                                AutomationException

Reads multipoint from a JSON object.

Specified by:

toMultipoint in interface IJSONConverterGeometry

Parameters:

pJSONObject - A reference to a com.esri.arcgis.system.IJSONObject (in)

bDefaultHasZs - The bDefaultHasZs (in)

bDefaultHasMs - The bDefaultHasMs (in)

Returns:

A reference to a com.esri.arcgis.geometry.IMultipoint

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

toPolygon

public IPolygon toPolygon(IJSONObject pJSONObject,
                          boolean bDefaultHasZs,
                          boolean bDefaultHasMs)
                   throws java.io.IOException,
                          AutomationException

Reads polygon from a JSON object.

Specified by:

toPolygon in interface IJSONConverterGeometry

Parameters:

pJSONObject - A reference to a com.esri.arcgis.system.IJSONObject (in)

bDefaultHasZs - The bDefaultHasZs (in)

bDefaultHasMs - The bDefaultHasMs (in)

Returns:

A reference to a com.esri.arcgis.geometry.IPolygon

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

toPolyline

public IPolyline toPolyline(IJSONObject pJSONObject,
                            boolean bDefaultHasZs,
                            boolean bDefaultHasMs)
                     throws java.io.IOException,
                            AutomationException

Reads polyline from a JSON object.

Specified by:

toPolyline in interface IJSONConverterGeometry

Parameters:

pJSONObject - A reference to a com.esri.arcgis.system.IJSONObject (in)

bDefaultHasZs - The bDefaultHasZs (in)

bDefaultHasMs - The bDefaultHasMs (in)

Returns:

A reference to a com.esri.arcgis.geometry.IPolyline

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.