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github.com/JOSM/josm @main

28,691 symbols 128,167 edges 2,609 files 15,501 documented · 54% ● updated 13d ago19585 · 2026-06-26★ 442

What it actually does AI analysis from the code graph — generated when you open this

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Extension points exported contracts — how you extend this code

TaggingPresetItemTest (Interface)

Test class for TaggingPresetItem [20 implementers]

test/unit/org/openstreetmap/josm/gui/tagging/presets/TaggingPresetItemTest.java

EventFirerer (Interface)

This is a function that can be invoked for every listener. @param the listener type. [17 implementers]

src/org/openstreetmap/josm/tools/ListenerList.java

TileSourceTest (Interface)

Interface for tests common between org.openstreetmap.gui.jmapviewer.interfaces.TemplatedTileSource classes. [4 implementers]

test/unit/org/openstreetmap/josm/data/imagery/TileSourceTest.java

GeoProperty (Interface)

A method to look up a property of the earth surface. User input for the GeoPropertyIndex. @param the proper [68 implementers]

src/org/openstreetmap/josm/tools/GeoProperty.java

CredentialsAgentTest (Interface)

Test interface for CredentialsAgent implementations.

test/unit/org/openstreetmap/josm/io/auth/CredentialsAgentTest.java

HttpClientFactory (Interface)

HTTP client factory. @since 15229 [28 implementers]

src/org/openstreetmap/josm/tools/HttpClient.java

PointTransform (Interface)

Transformation that translates the pixel coordinates. [6 implementers]

src/org/openstreetmap/josm/tools/ImageWarp.java

ImageProcessor (Interface)

Processor that modifies images (sharpen, brightness, etc.). This interface is used by imagery layers to filter the displ [11 …

src/org/openstreetmap/josm/tools/ImageProcessor.java

Core symbols most depended-on inside this repo

called by 3534

src/org/openstreetmap/josm/gui/mappaint/mapcss/Functions.java

get

called by 2584

src/org/openstreetmap/josm/data/osm/Tagged.java

put

called by 2567

src/org/openstreetmap/josm/data/osm/Tagged.java

called by 2520

src/org/openstreetmap/josm/tools/I18n.java

add

called by 2253

src/org/openstreetmap/josm/data/osm/BBox.java

equals

called by 2066

src/org/openstreetmap/josm/data/osm/Hash.java

isEmpty

called by 1553

src/org/openstreetmap/josm/data/osm/IWay.java

size

called by 1314

src/org/openstreetmap/josm/tools/Utils.java

Shape

Method 24,628

Class 3,608

Interface 287

Enum 163

Function 5

Languages

Java100%

Python1%

TypeScript1%

Modules by API surface

src/org/openstreetmap/josm/data/osm/search/SearchCompiler.java245 symbols

src/org/openstreetmap/josm/gui/preferences/SourceEditor.java143 symbols

src/org/openstreetmap/josm/gui/layer/AbstractTileSourceLayer.java140 symbols

src/org/openstreetmap/josm/gui/dialogs/LayerListDialog.java114 symbols

src/org/openstreetmap/josm/gui/dialogs/properties/PropertiesDialog.java105 symbols

src/org/openstreetmap/josm/data/osm/DataSet.java102 symbols

src/org/openstreetmap/josm/gui/mappaint/mapcss/Functions.java100 symbols

src/org/openstreetmap/josm/tools/Utils.java96 symbols

src/org/openstreetmap/josm/gui/layer/geoimage/ImageViewerDialog.java96 symbols

src/org/openstreetmap/josm/gui/layer/OsmDataLayer.java90 symbols

src/org/openstreetmap/josm/gui/dialogs/SelectionListDialog.java87 symbols

src/org/openstreetmap/josm/gui/NavigatableComponent.java87 symbols

For agents

$ claude mcp add josm \
  -- python -m otcore.mcp_server <graph>

⬇ download graph artifact