org.openstreetmap.josm.io

Class OsmJsonReader

java.lang.Object

org.openstreetmap.josm.io.AbstractReader

org.openstreetmap.josm.io.OsmJsonReader

Direct Known Subclasses:

OverpassDownloadReader.OverpassOsmJsonReader

public class OsmJsonReader
extends AbstractReader

Parser for the Osm API (JSON output). Read from an input stream and construct a dataset out of it. For each json element, there is a dedicated method.

Since:

14086

Nested Class Summary

Nested classes/interfaces inherited from class org.openstreetmap.josm.io.AbstractReader

AbstractReader.CommonReader, AbstractReader.NodeReader, AbstractReader.ParserWorker, AbstractReader.RelationReader, AbstractReader.WayReader

Field Summary

Fields

Modifier and Type	Field and Description
protected javax.json.stream.JsonParser	parser

Fields inherited from class org.openstreetmap.josm.io.AbstractReader

cancel, ds, externalIdMap, relations, uploadChangeset, ways

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	OsmJsonReader() constructor (for private and subclasses use only)

Method Summary

Modifier and Type	Method and Description
protected DataSet	doParseDataSet(java.io.InputStream source, ProgressMonitor progressMonitor)
protected void	parse()
static DataSet	parseDataSet(java.io.InputStream source, ProgressMonitor progressMonitor) Parse the given input source and return the dataset.
private void	parseElements(javax.json.JsonArray jsonArray)
private void	parseNode(javax.json.JsonObject item)
private void	parseRelation(javax.json.JsonObject item)
private void	parseRemark(java.lang.String remark)
private void	parseRoot(javax.json.JsonObject object)
private void	parseUnknown(javax.json.JsonObject element)
protected void	parseUnknown(javax.json.JsonObject element, boolean printWarning)
private void	parseWay(javax.json.JsonObject item)
private void	readCommon(javax.json.JsonObject item, PrimitiveData current) Read out the common attributes and put them into current OsmPrimitive.
private void	readRelationMembersAndTags(javax.json.JsonObject item, Relation r, java.util.Collection<RelationMemberData> members)
private static void	readTags(javax.json.JsonObject item, Tagged t)
private static void	readWayNodesAndTags(javax.json.JsonObject item, Way w, java.util.Collection<java.lang.Long> nodeIds)
protected void	setParser(javax.json.stream.JsonParser parser)

Methods inherited from class org.openstreetmap.josm.io.AbstractReader

buildPrimitive, callPostProcessors, deregisterPostprocessor, doParseDataSet, getDataSet, getLong, parseAction, parseBounds, parseChangeset, parseChangeset, parseDownloadPolicy, parseId, parseLocked, parseNode, parseNode, parseRelation, parseRelationMember, parseRelationMember, parseTag, parseTimestamp, parseUploadPolicy, parseUser, parseUser, parseVersion, parseVersion, parseVersion, parseVisible, parseWay, prepareDataSet, processChangesetAfterParsing, processNodesAfterParsing, processRelationsAfterParsing, processWaysAfterParsing, registerPostprocessor

Methods inherited from class java.lang.Object

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

Field Detail

parser

protected javax.json.stream.JsonParser parser

Constructor Detail

OsmJsonReader

protected OsmJsonReader()

constructor (for private and subclasses use only)

See Also:

parseDataSet(InputStream, ProgressMonitor)

Method Detail

setParser

protected void setParser(javax.json.stream.JsonParser parser)

parse

protected void parse()
              throws IllegalDataException

Throws:

IllegalDataException

parseRoot

private void parseRoot(javax.json.JsonObject object)
                throws IllegalDataException

Throws:

IllegalDataException

parseRemark

private void parseRemark(java.lang.String remark)

parseElements

private void parseElements(javax.json.JsonArray jsonArray)
                    throws IllegalDataException

Throws:

IllegalDataException

readCommon

private void readCommon(javax.json.JsonObject item,
                        PrimitiveData current)
                 throws IllegalDataException

Read out the common attributes and put them into current OsmPrimitive.

Parameters:

item - current JSON object

current - primitive to update

Throws:

IllegalDataException - if there is an error processing the underlying JSON source

readTags

private static void readTags(javax.json.JsonObject item,
                             Tagged t)

parseNode

private void parseNode(javax.json.JsonObject item)
                throws IllegalDataException

Throws:

IllegalDataException

parseWay

private void parseWay(javax.json.JsonObject item)
               throws IllegalDataException

Throws:

IllegalDataException

readWayNodesAndTags

private static void readWayNodesAndTags(javax.json.JsonObject item,
                                        Way w,
                                        java.util.Collection<java.lang.Long> nodeIds)

parseRelation

private void parseRelation(javax.json.JsonObject item)
                    throws IllegalDataException

Throws:

IllegalDataException

readRelationMembersAndTags

private void readRelationMembersAndTags(javax.json.JsonObject item,
                                        Relation r,
                                        java.util.Collection<RelationMemberData> members)
                                 throws IllegalDataException

Throws:

IllegalDataException

parseUnknown

protected void parseUnknown(javax.json.JsonObject element,
                            boolean printWarning)

parseUnknown

private void parseUnknown(javax.json.JsonObject element)

doParseDataSet

protected DataSet doParseDataSet(java.io.InputStream source,
                                 ProgressMonitor progressMonitor)
                          throws IllegalDataException

Specified by:

doParseDataSet in class AbstractReader

Throws:

IllegalDataException

parseDataSet

public static DataSet parseDataSet(java.io.InputStream source,
                                   ProgressMonitor progressMonitor)
                            throws IllegalDataException

Parse the given input source and return the dataset.

Parameters:

source - the source input stream. Must not be null.

progressMonitor - the progress monitor. If null, NullProgressMonitor.INSTANCE is assumed

Returns:

the dataset with the parsed data

Throws:

IllegalDataException - if an error was found while parsing the data from the source

java.lang.IllegalArgumentException - if source is null