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local java_package_weights = {
['codes%.kyren'] = 100,
['org%.bukkit'] = 100,
['io%.papermc'] = 100,
['org%.jspecify'] = 80,
['org%.jetbrains'] = 80,
['net%.minecraft'] = 50,
}
return {
'mfussenegger/nvim-jdtls',
ft = { 'java' },
dependencies = { 'Saghen/blink.cmp' },
config = function()
local setup_jdtls = function()
local current_buf = vim.api.nvim_buf_get_name(0)
local root_file = vim.fs.find({
'.git',
'build.gradle',
'build.gradle.kts',
'build.xml',
'pom.xml',
'settings.gradle',
'settings.gradle.kts',
}, { upward = true, path = current_buf })[1]
local root_dir = root_file and vim.fs.dirname(root_file) or vim.fn.getcwd()
local project_name = vim.fn.fnamemodify(root_dir, ':p:h:t')
local workspace_dir = vim.fn.expand('~/.cache/jdtls-workspace/') .. project_name
-- Safely mix standard blink capabilities with internal jdtls mappings
local lsp_capabilities = require('blink.cmp').get_lsp_capabilities()
local function get_action_weight(title)
for pattern, weight in pairs(java_package_weights) do
if title:match(pattern) then
return weight
end
end
return 0 -- Neutral weight for untracked packages
end
local opts = {
cmd = { 'jdtls', '-data', workspace_dir },
root_dir = root_dir,
capabilities = lsp_capabilities,
-- Extended capabilities must live here, NOT in the root capabilities key
init_options = {
extendedClientCapabilities = require('jdtls').extendedClientCapabilities,
},
settings = {
java = {
signatureHelp = { enabled = true },
compile = {
nullAnalysis = {
mode = 'enabled',
nullable = { 'org.jspecify.annotations.Nullable' },
nonnull = { 'org.jspecify.annotations.NonNull' },
nonnullbydefault = { 'org.jspecify.annotations.NullMarked' },
},
},
format = {
enabled = true,
settings = {
url = '/home/kyren/.config/nvim/eclipse-formatter.xml',
profile = 'Custom_Style',
},
},
errors = {
incompleteClasspath = 'warning',
},
completion = {
-- Stops jdtls from injecting variable placeholders when autocompleting
guessMethodArguments = 'off',
favoriteStaticMembers = {
'codes.kyren.kapi.Kapi.expect',
'codes.kyren.kapi.Kapi.panic',
'codes.kyren.kapi.Kapi.unreachable',
},
filteredTypes = {
'edu.umd.cs.findbugs.*',
'javax.annotation.*',
'org.checkerframework.*',
'org.eclipse.sisu.*',
-- 'org.jetbrains.annotations.*',
'org.sonatype.inject.*',
'java.awt.*',
'com.sun.*',
'sun.*',
'jdk.*',
},
},
jdt = {
ls = {
kotlinSupport = {
enabled = true,
},
},
},
},
},
on_attach = function(client, bufnr)
if client._code_action_sorted then
return
end
client._code_action_sorted = true
-- Hook into the absolute lowest-level RPC pipe.
-- This catches 100% of traffic, bypassing any plugin API overrides.
local orig_rpc_request = client.rpc.request
client.rpc.request = function(method, params, handler, ...)
if method == 'textDocument/codeAction' then
local wrapped_handler = function(err, result, ctx, config)
if not err and result and type(result) == 'table' then
-- Sort the raw array (Respected by native vim.ui.select)
table.sort(result, function(a, b)
local title_a = a.title or ''
local title_b = b.title or ''
local weight_a = get_action_weight(title_a)
local weight_b = get_action_weight(title_b)
if weight_a ~= weight_b then
return weight_a > weight_b
end
return title_a < title_b
end)
end
if handler then
return handler(err, result, ctx, config)
end
end
return orig_rpc_request(method, params, wrapped_handler, ...)
end
return orig_rpc_request(method, params, handler, ...)
end
end,
}
require('jdtls').start_or_attach(opts)
end
setup_jdtls()
vim.api.nvim_create_autocmd('FileType', {
pattern = 'java',
callback = setup_jdtls,
})
end,
java_package_weights = java_package_weights,
}
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