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local server = require "nvim-lsp-installer.server"
local path = require "nvim-lsp-installer.path"
local std = require "nvim-lsp-installer.installers.std"
local context = require "nvim-lsp-installer.installers.context"
local platform = require "nvim-lsp-installer.platform"
local Data = require "nvim-lsp-installer.data"
local eclipse = require "nvim-lsp-installer.core.clients.eclipse"
return function(name, root_dir)
---@param workspace_root string
---@param workspace_path string|nil @The path to the server instance's current workspace. Can be nil when running in single file mode.
local function get_cmd(workspace_root, workspace_path)
local executable = vim.env.JAVA_HOME and path.concat { vim.env.JAVA_HOME, "bin", "java" } or "java"
local jar = vim.fn.expand(path.concat { root_dir, "plugins", "org.eclipse.equinox.launcher_*.jar" })
local lombok = vim.fn.expand(path.concat { root_dir, "lombok.jar" })
local workspace_dir = vim.fn.fnamemodify(workspace_path or vim.fn.getcwd(), ":p:h:t")
return {
platform.is_win and ("%s.exe"):format(executable) or executable,
"-Declipse.application=org.eclipse.jdt.ls.core.id1",
"-Dosgi.bundles.defaultStartLevel=4",
"-Declipse.product=org.eclipse.jdt.ls.core.product",
"-Dlog.protocol=true",
"-Dlog.level=ALL",
"-Xms1g",
"-Xmx2G",
"-javaagent:" .. lombok,
"--add-modules=ALL-SYSTEM",
"--add-opens",
"java.base/java.util=ALL-UNNAMED",
"--add-opens",
"java.base/java.lang=ALL-UNNAMED",
"-jar",
jar,
"-configuration",
path.concat {
root_dir,
Data.coalesce(
Data.when(platform.is_mac, "config_mac"),
Data.when(platform.is_linux, "config_linux"),
Data.when(platform.is_win, "config_win")
),
},
"-data",
path.concat { workspace_root, workspace_dir },
}
end
return server.Server:new {
name = name,
root_dir = root_dir,
languages = { "java" },
homepage = "https://github.com/eclipse/eclipse.jdt.ls",
installer = {
std.ensure_executables {
{ "java", "java was not found in path." },
},
---@type ServerInstallerFunction
function(_, callback, ctx)
if ctx.requested_server_version then
callback(true)
return
end
eclipse.fetch_latest_jdtls_version(function(err, latest_version)
if err then
ctx.stdio_sink.stderr "Failed to fetch latest verison.\n"
callback(false)
else
ctx.requested_server_version = latest_version
callback(true)
end
end)
end,
context.capture(function(ctx)
return std.untargz_remote(
("https://download.eclipse.org/jdtls/snapshots/jdt-language-server-%s.tar.gz"):format(
ctx.requested_server_version
)
)
end),
std.download_file("https://projectlombok.org/downloads/lombok.jar", "lombok.jar"),
context.receipt(function(receipt, ctx)
receipt:with_primary_source {
type = "jdtls",
version = ctx.requested_server_version,
}
end),
},
default_options = {
cmd = get_cmd(
vim.env.WORKSPACE and vim.env.WORKSPACE or path.concat { vim.env.HOME, "workspace" },
vim.loop.cwd()
),
on_new_config = function(config, workspace_path)
-- We redefine the cmd in on_new_config because `cmd` will be invalid if the user has not installed
-- jdtls when starting the session (due to vim.fn.expand returning an empty string, because it can't
-- locate the file).
config.cmd = get_cmd(
vim.env.WORKSPACE and vim.env.WORKSPACE or path.concat { vim.env.HOME, "workspace" },
workspace_path
)
end,
},
}
end
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