Support Java code generation from WSDL files

src/python/pants/backend/codegen/soap/BUILD

@@ -0,0 +1,6 @@
+# Copyright 2022 Pants project contributors (see CONTRIBUTORS.md).
+# Licensed under the Apache License, Version 2.0 (see LICENSE).
+
+python_sources()
+
+python_tests(name="tests")

src/python/pants/backend/codegen/soap/java/BUILD

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+# Copyright 2022 Pants project contributors (see CONTRIBUTORS.md).
+# Licensed under the Apache License, Version 2.0 (see LICENSE).
+
+python_sources(dependencies=[":lockfiles"])
+
+resources(name="lockfiles", sources=["*.lockfile.txt"])
+
+python_tests(name="tests")

src/python/pants/backend/codegen/soap/java/extra_fields.py

@@ -0,0 +1,24 @@
+# Copyright 2022 Pants project contributors (see CONTRIBUTORS.md).
+# Licensed under the Apache License, Version 2.0 (see LICENSE).
+
+from pants.backend.codegen.soap.target_types import WsdlSourcesGeneratorTarget, WsdlSourceTarget
+from pants.engine.target import StringField
+
+
+class JavaPackageField(StringField):
+    alias = "package"
+    help = "Override destination package for generated sources"
+
+
+class JavaModuleField(StringField):
+    alias = "module"
+    help = "Java module name"
+
+
+def rules():
+    return [
+        WsdlSourceTarget.register_plugin_field(JavaPackageField),
+        WsdlSourcesGeneratorTarget.register_plugin_field(JavaPackageField),
+        WsdlSourceTarget.register_plugin_field(JavaModuleField),
+        WsdlSourcesGeneratorTarget.register_plugin_field(JavaModuleField),
+    ]