lsp-proxy/java

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import os
import sys
FILE_URI = "file://"
def locate_product_directory (jdt_ls_path):
return os.path.join(jdt_ls_path, "org.eclipse.jdt.ls.product/target/repository")
def locate_launcher_jar (jdt_ls_path):
jdt_ls_product_directory = locate_product_directory(jdt_ls_path)
plugins_directory = os.path.join(jdt_ls_product_directory, "plugins")
return os.path.join(plugins_directory, [jar for jar in os.listdir(plugins_directory) if jar.startswith("org.eclipse.equinox.launcher_")][0])
def locate_launcher_configuration (jdt_ls_path):
return os.path.join(locate_product_directory(jdt_ls_path), "config_linux")
# TODO
def locate_lombok ():
return "/home/malacoda/.m2/repository/org/projectlombok/lombok/1.18.16/lombok-1.18.16.jar"
class Java(LspServer):
def __init__ (self, arguments):
self.path = arguments[0]
super().__init__([
"java",
f"-javaagent:{locate_lombok}",
"-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=1044",
"-Declipse.application=org.eclipse.jdt.ls.core.id1",
"-Dosgi.bundles.defaultStartLevel=4",
"-Declipse.product=org.eclipse.jdt.ls.core.product",
"-noverify",
"-Xmx1G",
"-jar", locate_launcher_jar(self.path),
"-configuration", locate_launcher_configuration(self.path),
"-data", os.path.join(self.path, "data"),
"--add-modules=ALL-SYSTEM",
"--add-opens", "java.base/java.util=ALL-UNNAMED",
"--add-opens", "java.base/java.lang=ALL-UNNAMED"
] + arguments[1:])
@command("java.apply.workspaceEdit")
def workspaceEdit (self, arguments):
print(f"we {arguments}")
for argument in arguments:
for file_name, changes in argument['changes'].items():
file_name = file_name[len(FILE_URI):]
file_contents = ""
if os.path.exists(file_name):
with open(file_name) as in_file:
file_contents = in_file.read()
for change in changes:
file_contents = perform_change(file_contents, change)
with open(file_name, "w") as out_file:
out_file.write(file_contents)
def get_character_offset (file_contents, line, character):
line_pos = 0
while line > 0:
line_pos = file_contents.index("\n", line_pos + 1)
line = line - 1
return line_pos + character
def perform_change (file_text, change):
change_start = get_character_offset(file_text, change['range']['start']['character'], change['range']['start']['character'])
change_end = get_character_offset(file_text, change['range']['end']['line'], change['range']['end']['character'])
return file_text[:change_start] + change['newText'] + file_text[change_end:]