├── .cargo └── config.toml ├── .editorconfig ├── .rustfmt.toml ├── Cargo.toml ├── JavaIcon.svg ├── Justfile ├── LICENSE ├── Makefile.toml ├── README.md ├── src └── main.rs └── volt.toml /.cargo/config.toml: -------------------------------------------------------------------------------- 1 | [alias] 2 | m = "make" 3 | i = ["install", "--path", "."] 4 | 5 | [install] 6 | root = "." 7 | 8 | [build] 9 | target = "wasm32-wasi" 10 | -------------------------------------------------------------------------------- /.editorconfig: -------------------------------------------------------------------------------- 1 | [*] 2 | charset = utf-8 3 | end_of_line = lf 4 | insert_final_newline = true 5 | 6 | [*.toml] 7 | indent_size = 2 8 | indent_style = space 9 | -------------------------------------------------------------------------------- /.rustfmt.toml: -------------------------------------------------------------------------------- 1 | reorder_imports = true 2 | newline_style = "unix" 3 | # uncomment once stable 4 | # imports_granularity = "Crate" 5 | # group_imports = "StdExternalCrate" 6 | -------------------------------------------------------------------------------- /Cargo.toml: -------------------------------------------------------------------------------- 1 | [package] 2 | edition = "2021" 3 | name = "lapce-java" 4 | version = "0.3.0" 5 | resolver = "2" 6 | 7 | [target.'cfg(target_os = "wasi")'.dependencies] 8 | 9 | anyhow = "1.0" 10 | serde_json = "1.0" 11 | serde = { version = "1.0", features = ["derive"] } 12 | lapce-plugin = { git = "https://github.com/panekj/lapce-plugin-rust.git", branch = "volt" } 13 | # replace with upstream when https://github.com/alexcrichton/tar-rs/pull/303 gets merged 14 | tar = { git = "https://github.com/oknozor/tar-rs/", branch = "ignore-perm-on-wasm" } 15 | flate2 = "1.0" 16 | 17 | 18 | [profile.release] 19 | opt-level = 3 20 | lto = true 21 | codegen-units = 1 22 | -------------------------------------------------------------------------------- /JavaIcon.svg: -------------------------------------------------------------------------------- 1 | 2 | 3 | 6 | 7 | 12 | 17 | 18 | 19 | 24 | 28 | 34 | 39 | 46 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | -------------------------------------------------------------------------------- /Justfile: -------------------------------------------------------------------------------- 1 | xdg_data_dir := "$HOME/.local/share" 2 | plugin_dir := "plugins/oknozor.lapce-java" 3 | 4 | build: 5 | cargo make 6 | 7 | install-stable: build 8 | mkdir -p {{xdg_data_dir}}/lapce-stable/{{plugin_dir}}/bin 9 | yes | cp -i bin/lapce-java.wasm {{xdg_data_dir}}/lapce-stable/{{plugin_dir}}/bin 10 | yes | cp -i volt.toml {{xdg_data_dir}}/lapce-stable/{{plugin_dir}}/ 11 | yes | cp -i JavaIcon.svg {{xdg_data_dir}}/lapce-stable/{{plugin_dir}}/ 12 | rm -rd {{xdg_data_dir}}/lapce-stable/{{plugin_dir}}/jdt-language-server-latest || true 13 | 14 | install-debug: build 15 | mkdir -p {{xdg_data_dir}}/lapce-debug/{{plugin_dir}}/bin 16 | yes | cp -i bin/lapce-java.wasm {{xdg_data_dir}}/lapce-debug/{{plugin_dir}}/bin 17 | yes | cp -i volt.toml {{xdg_data_dir}}/lapce-debug/{{plugin_dir}} 18 | yes | cp -i JavaIcon.svg {{xdg_data_dir}}/lapce-stable/{{plugin_dir}}/ 19 | rm -rd {{xdg_data_dir}}/lapce-debug/{{plugin_dir}}/jdt-language-server-latest || true 20 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /Makefile.toml: -------------------------------------------------------------------------------- 1 | [tasks.default] 2 | clear = true 3 | dependencies = [ 4 | "fmt", 5 | "check", 6 | "clippy", 7 | "release", 8 | ] 9 | 10 | [tasks.fmt] 11 | command = "cargo" 12 | args = ["fmt"] 13 | 14 | [tasks.release] 15 | dependencies = ["build-release"] 16 | 17 | [tasks.dev] 18 | dependencies = ["build-dev"] 19 | 20 | [tasks.check] 21 | command = "cargo" 22 | args = ["check"] 23 | 24 | [tasks.clippy] 25 | command = "cargo" 26 | args = ["clippy"] 27 | 28 | [tasks.build-dev] 29 | command = "cargo" 30 | args = ["install", "--path", ".", "--debug"] 31 | 32 | [tasks.build-release] 33 | command = "cargo" 34 | args = ["install", "--path", "."] 35 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Lapce Java 2 | --- 3 | [Lapce](https://lapce.dev/) LSP plugin for java, powered by Eclipse JDT Language Server 4 | 5 | 6 | ## Installation 7 | 8 | To install from source use the provided [just](https://github.com/casey/just) recipes: 9 | 10 | **Lapce stable plugin:** 11 | ```shell 12 | ❯ just install-stable 13 | ``` 14 | 15 | **Lapce debug plugin:** 16 | ```shell 17 | ❯ just install-debug 18 | ``` 19 | 20 | ## Initializing Projects 21 | 22 | If you are using Maven for your Java Project, you have to initialize your project for Eclipse JDT using: 23 | ```shell 24 | ❯ mvn eclipse:eclipse 25 | ``` 26 | 27 | Without initializing your project, Eclipse JDT won't work. 28 | 29 | ## Licence 30 | 31 | All the code in this repository is released under the Apache License, for more information take a look at 32 | the [LICENSE](LICENSE) file. 33 | -------------------------------------------------------------------------------- /src/main.rs: -------------------------------------------------------------------------------- 1 | use anyhow::Result; 2 | use flate2::read::MultiGzDecoder; 3 | use std::fs::File; 4 | use std::path::PathBuf; 5 | 6 | use lapce_plugin::{ 7 | psp_types::{ 8 | lsp_types::{request::Initialize, DocumentFilter, DocumentSelector, InitializeParams, Url}, 9 | Request, 10 | }, 11 | register_plugin, Http, LapcePlugin, VoltEnvironment, PLUGIN_RPC, 12 | }; 13 | use serde_json::Value; 14 | 15 | #[derive(Default)] 16 | struct State {} 17 | 18 | register_plugin!(State); 19 | 20 | fn initialize(params: InitializeParams) -> Result<()> { 21 | let document_selector: DocumentSelector = vec![DocumentFilter { 22 | language: Some(String::from("java")), 23 | pattern: Some(String::from("**/*.java")), 24 | scheme: None, 25 | }]; 26 | 27 | let mut server_args = vec![]; 28 | let mut enable_lombok_agent = false; 29 | 30 | if let Some(options) = params.initialization_options.as_ref() { 31 | if let Some(enable_lombok) = options.get("lombok") { 32 | enable_lombok_agent = serde_json::from_value(enable_lombok.clone())?; 33 | } 34 | 35 | if let Some(volt) = options.get("volt") { 36 | if let Some(args) = volt.get("serverArgs") { 37 | if let Some(args) = args.as_array() { 38 | if !args.is_empty() { 39 | server_args = vec![]; 40 | } 41 | for arg in args { 42 | if let Some(arg) = arg.as_str() { 43 | server_args.push(arg.to_string()); 44 | } 45 | } 46 | } 47 | } 48 | 49 | if let Some(server_path) = volt.get("serverPath") { 50 | if let Some(server_path) = server_path.as_str() { 51 | if !server_path.is_empty() { 52 | let url = Url::parse(&format!("urn:{}", server_path))?; 53 | PLUGIN_RPC.start_lsp( 54 | url, 55 | server_args, 56 | document_selector, 57 | params.initialization_options, 58 | ); 59 | return Ok(()); 60 | } 61 | } 62 | } 63 | } 64 | } 65 | 66 | let jdtls_file_name = "jdt-language-server-latest"; 67 | let gz_path = PathBuf::from(format!("{jdtls_file_name}.tar.gz")); 68 | let url = format!( 69 | "http://download.eclipse.org/jdtls/snapshots/{}.tar.gz", 70 | jdtls_file_name 71 | ); 72 | 73 | if !PathBuf::from(jdtls_file_name).exists() { 74 | if !gz_path.exists() { 75 | let mut resp = Http::get(&url)?; 76 | let body = resp.body_read_all()?; 77 | std::fs::write(&gz_path, body)?; 78 | } 79 | 80 | let tar_gz = std::fs::File::open(gz_path).unwrap(); 81 | let tar = MultiGzDecoder::new(tar_gz); 82 | let mut archive = tar::Archive::new(tar); 83 | let dir = PathBuf::from(jdtls_file_name); 84 | std::fs::create_dir(&dir)?; 85 | for (_, file) in archive.entries().unwrap().raw(true).enumerate() { 86 | let mut entry = file?; 87 | let entry_type = entry.header().entry_type(); 88 | if !entry_type.is_dir() && !entry_type.is_file() { 89 | continue; 90 | } 91 | 92 | let entry_path = dir.join(&entry.path()?); 93 | if entry_type.is_dir() { 94 | std::fs::create_dir_all(&entry_path)?; 95 | } else if entry_type.is_file() { 96 | let mut outfile = File::create(&entry_path)?; 97 | std::io::copy(&mut entry, &mut outfile)?; 98 | } 99 | } 100 | } 101 | 102 | // Plugin working directory 103 | let volt_uri = VoltEnvironment::uri()?; 104 | let base_path = Url::parse(&volt_uri)?; 105 | 106 | if enable_lombok_agent { 107 | let lombok_jar = "lombok.jar"; 108 | let lombok_url = format!("https://projectlombok.org/downloads/{lombok_jar}"); 109 | 110 | if !PathBuf::from(lombok_jar).exists() { 111 | let mut resp = Http::get(&lombok_url)?; 112 | let body = resp.body_read_all()?; 113 | std::fs::write(&lombok_jar, body)?; 114 | } 115 | 116 | let lombok = base_path.join("lombok.jar")?; 117 | let lombok = lombok.to_file_path().expect("failed to get file path"); 118 | let lombok = lombok.to_string_lossy(); 119 | server_args.push(format!("--jvm-arg=-javaagent:{lombok}")); 120 | } 121 | 122 | let jdtls = base_path.join(&format!("{jdtls_file_name}/bin/jdtls"))?; 123 | 124 | PLUGIN_RPC.start_lsp( 125 | jdtls, 126 | server_args, 127 | document_selector, 128 | params.initialization_options, 129 | ); 130 | 131 | Ok(()) 132 | } 133 | 134 | impl LapcePlugin for State { 135 | fn handle_request(&mut self, _id: u64, method: String, params: Value) { 136 | PLUGIN_RPC.stderr(&format!("{_id}, {method}")); 137 | #[allow(clippy::single_match)] 138 | match method.as_str() { 139 | Initialize::METHOD => { 140 | let params: InitializeParams = serde_json::from_value(params).unwrap(); 141 | let _ = initialize(params); 142 | } 143 | _ => {} 144 | } 145 | } 146 | } 147 | -------------------------------------------------------------------------------- /volt.toml: -------------------------------------------------------------------------------- 1 | name = "lapce-java" 2 | version = "0.3.0" 3 | author = "Paul Delafosse " 4 | display-name = "Java" 5 | description = "Lapce LSP plugin for java, powered by Eclipse JDT Language Server" 6 | wasm = "bin/lapce-java.wasm" 7 | icon = "JavaIcon.svg" 8 | repository = "https://github.com/oknozor/lapce-java" 9 | 10 | [activation] 11 | language = ["java"] 12 | workspace-contains = ["*/*.java"] 13 | 14 | [config."lombok"] 15 | default = false 16 | description = "Enable the lombok java agent" --------------------------------------------------------------------------------