| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| /* |
| Commands for running the style checkers. |
| |
| - Java uses stylechecker. |
| |
| @author: wisebaldone@apache.org ( Evan Hughes ) |
| */ |
| package style |
| |
| import ( |
| "os" |
| "log" |
| "net/http" |
| "io" |
| "os/exec" |
| ) |
| |
| const checkStyle = ".helper/checkstyle.jar" |
| |
| /* |
| Runs stylechecker based off the Google style guide. |
| |
| runs on: |
| wave/src/main/java |
| pst/src/main/java |
| */ |
| func Run() { |
| _, err := os.Stat(checkStyle) |
| if os.IsNotExist(err) { |
| download() |
| } |
| run("wave/src/main/java/", ".helper/wave.style.xml") |
| run("pst/src/main/java/", ".helper/pst.style.xml") |
| } |
| |
| // Downloads a set version of checkstyle, current version ( 7.6.1 ) |
| func download() { |
| out, err := os.Create(checkStyle) |
| if err != nil { |
| log.Fatalln(err) |
| } |
| log.Println("Downloading checkstyle.") |
| resp, err := http.Get( |
| "https://nchc.dl.sourceforge.net/project/checkstyle/checkstyle/" + |
| "7.6.1/checkstyle-7.6.1-all.jar") |
| if err != nil { |
| log.Fatalln("Could not download checkstyle.") |
| } |
| defer resp.Body.Close() |
| _, err = io.Copy(out, resp.Body) |
| if err != nil { |
| log.Fatalln(err) |
| } |
| } |
| |
| // Runs the style checker on the input and records the output in xml |
| func run(directory string, outputFile string) { |
| log.Printf("Running checkstyle on %s outputting to %s\n", directory, outputFile) |
| cmd := exec.Command( |
| "java", "-jar", |
| checkStyle, |
| "-c", "/google_checks.xml", |
| directory, |
| "-o", |
| outputFile, |
| "-f", |
| "xml") |
| err := cmd.Run() |
| if err != nil { |
| log.Fatalln(err) |
| } |
| log.Printf("Finished checking %s\n", directory) |
| } |