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local path = require "mason.core.path"
local _ = require "mason.core.functional"
local platform = require "mason.core.platform"
---@param install_dir string
return function(install_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.
---@param vmargs string[]
---@param use_lombok_agent boolean
local function get_cmd(workspace_root, workspace_path, vmargs, use_lombok_agent)
local executable = vim.env.JAVA_HOME and path.concat { vim.env.JAVA_HOME, "bin", "java" } or "java"
local jar = vim.fn.expand(path.concat { install_dir, "plugins", "org.eclipse.equinox.launcher_*.jar" })
local lombok = vim.fn.expand(path.concat { install_dir, "lombok.jar" })
local workspace_dir = vim.fn.fnamemodify(workspace_path or vim.fn.getcwd(), ":p:h:t")
local cmd = _.list_not_nil(
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",
_.when(platform.is.win, "-DwatchParentProcess=false"), -- https://github.com/redhat-developer/vscode-java/pull/847
"--add-modules=ALL-SYSTEM",
"--add-opens",
"java.base/java.util=ALL-UNNAMED",
"--add-opens",
"java.base/java.lang=ALL-UNNAMED",
"--add-opens",
"java.base/sun.nio.fs=ALL-UNNAMED", -- https://github.com/redhat-developer/vscode-java/issues/2264
_.when(use_lombok_agent, "-javaagent:" .. lombok), -- javaagent needs to come before -jar flag
"-jar",
jar,
"-configuration",
path.concat {
install_dir,
_.coalesce(
_.when(platform.is.mac, "config_mac"),
_.when(platform.is.linux, "config_linux"),
_.when(platform.is.win, "config_win")
),
},
"-data",
path.concat { workspace_root, workspace_dir }
)
return vim.list_extend(cmd, vmargs)
end
local DEFAULT_VMARGS = {
"-XX:+UseParallelGC",
"-XX:GCTimeRatio=4",
"-XX:AdaptiveSizePolicyWeight=90",
"-Dsun.zip.disableMemoryMapping=true",
"-Djava.import.generatesMetadataFilesAtProjectRoot=false",
"-Xmx1G",
"-Xms100m",
}
return {
cmd = get_cmd(
vim.env.WORKSPACE and vim.env.WORKSPACE or path.concat { vim.env.HOME, "workspace" },
vim.loop.cwd(),
DEFAULT_VMARGS,
false
),
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,
config.vmargs or DEFAULT_VMARGS,
config.use_lombok_agent or false
)
end,
}
end
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