Go——从文件路径解析解析GAVC坐标解决方案

柔情只为你懂 2022-09-04 06:46 112阅读 0赞

源代码：https://gitee.com/shentuzhigang/mini-project/tree/master/go-gavc

# 解决方案 #

正则表达式来自：Artifactory Maven仓库初始配置

package go_gavc
    
    import (
    	"github.com/dlclark/regexp2"
    	"strings"
    )
    
    type GAVC struct { 
    	GroupId    string
    	ArtifactId string
    	Veriosn    string
    	Classifier string
    }
    
    var gavcRe = regexp2.MustCompile("(?<orgPath>.+?)/(?<module>[^/]+)/(?<baseRev>[^/]+?)(?:-(?<folderItegRev>SNAPSHOT))?/(?<module>\\2)-(?<baseRev>\\3)(?:-(?<fileItegRev>SNAPSHOT|(?:(?:[0-9]{8}.[0-9]{6})-(?:[0-9]+))))?(?:-(?<classifier>[^/]+?))?\\.(?<ext>(?:(?!\\d))[^\\-/]+|7z)", regexp2.RE2)
    var jarRe = regexp2.MustCompile("(?<module>[^/]+)-(?<baseRev>[^/]+?)(?:-(?<fileItegRev>SNAPSHOT|(?:(?:[0-9]{8}.[0-9]{6})-(?:[0-9]+))))?(?:-(?<classifier>[^/]+?))?\\.(?<ext>(?:(?!\\d))[^\\-/]+|7z)", regexp2.RE2)
    
    func ResoleGAVC(path string) *GAVC { 
    	gavc := &GAVC{ }
    	ps := strings.Split(path, "/")
    
    	if len(ps) >= 4 { 
    		match, err := gavcRe.FindStringMatch(path)
    		if err == nil && match != nil { 
    			orgPath := match.GroupByName("orgPath")
    			if orgPath != nil { 
    				gavc.GroupId = strings.ReplaceAll(orgPath.String(), "/", ".")
    			}
    			module := match.GroupByName("module")
    			if module != nil { 
    				gavc.ArtifactId = module.String()
    			}
    			version := match.GroupByName("baseRev")
    			if version != nil { 
    				gavc.Veriosn = version.String()
    			}
    			classifier := match.GroupByName("classifier")
    			if classifier != nil { 
    				gavc.Classifier = classifier.String()
    			}
    			return gavc
    		}
    	}
    	index := strings.LastIndex(path, "/")
    	var name string
    	if index == -1 { 
    		name = path
    		path = ""
    	} else { 
    		name = path[index+1:]
    		path = path[:index]
    	}
    
    	match, err := jarRe.FindStringMatch(name)
    	if err == nil && match != nil { 
    		suffix := ""
    		version := match.GroupByName("baseRev")
    		if version != nil { 
    			gavc.Veriosn = version.String()
    			if len(gavc.Veriosn) > 0 { 
    				suffix += "/" + version.String()
    			}
    		}
    		classifier := match.GroupByName("classifier")
    		if classifier != nil { 
    			gavc.Classifier = classifier.String()
    			if len(gavc.Classifier) > 0 { 
    				suffix += "-" + classifier.String()
    			}
    		}
    		gavc.GroupId = strings.ReplaceAll(strings.TrimSuffix(path, suffix), "/", ".")
    
    		module := match.GroupByName("module")
    		if module != nil { 
    			gavc.ArtifactId = module.String()
    			if len(gavc.ArtifactId) > 0 { 
    				if strings.HasSuffix(path, "/"+module.String()) { 
    					gavc.GroupId = strings.ReplaceAll(strings.TrimSuffix(path, "/"+module.String()), "/", ".")
    				} else if strings.HasSuffix(path, "/"+module.String()+suffix) { 
    					gavc.GroupId = strings.ReplaceAll(strings.TrimSuffix(path, "/"+module.String()+suffix), "/", ".")
    				}
    			}
    		}
    		if len(gavc.GroupId) == 0 { 
    			gavc.GroupId = gavc.ArtifactId
    		}
    		return gavc
    	}
    
    	ps = strings.Split(path, "/")
    	if len(ps) == 1 { 
    		path = path + "//"
    	} else if len(ps) == 2 { 
    		path = path + "/"
    	}
    
    	index1 := strings.LastIndex(path, "/")
    	gavc.Veriosn = path[index1+1:]
    	index2 := strings.LastIndex(path[:index1], "/")
    	gavc.ArtifactId = path[index2+1 : index1]
    	gavc.GroupId = strings.ReplaceAll(path[:index2], "/", ".")
    
    	if len(gavc.ArtifactId) == 0 { 
    		index3 := strings.LastIndex(name, ".")
    		if index3 != -1 { 
    			gavc.ArtifactId = name[:index3]
    		}
    	}
    
    	return gavc
    }