idea groovyスクリプトを使用してデータベースエンティティを自動的に生成

import com.intellij.database.model.DasTable
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil

import java.time.LocalDate
import java.time.LocalDateTime
import java.util.Date

/*
 * Available context bindings:
 *   SELECTION   Iterable
 *   PROJECT     project
 *   FILES       files helper
 */

//        ，        ;
packageName = "com.demo.api.tesla.entity;"
//            ，     ，  tinyint             ，      
typeMapping = [
        (~/(?i)bigint/)                   : "Long",
        (~/(?i)int/)                      : "Integer",
        (~/(?i)tinyint/)                  : "Boolean",
        (~/(?i)float|double|decimal|real/): "BigDecimal",
        (~/(?i)time|datetime|timestamp/)  : "Date",
        (~/(?i)date/)                     : "LocalDate",
        (~/(?i)/)                         : "String"
]

//                   
importMap = [
        "BigDecimal"   : "java.math.BigDecimal",
        "LocalDate"    : "java.time.LocalDate",
        "LocalDateTime": "java.time.LocalDateTime",
        "Date": "java.util.Date",
]

//       ，          ，           HashSet
importList = []

//          ，             
userTimeList = [
        "example"
]

//           
FILES.chooseDirectoryAndSave("Choose directory", "Choose where to store generated files") { dir ->
    SELECTION.filter { it instanceof DasTable }.each { generate(it, dir) }
}

def generate(table, dir) {
    def className = javaName(table.getName(), true) + "DO"
    def writer = new PrintWriter(new OutputStreamWriter(new FileOutputStream(new File(dir, className + ".java")), "utf-8"))
    def fields = calcFields(table)
    writer.withPrintWriter { out -> generate(out, className, fields, table) }
}

//      ，           
def generate(out, className, fields, table) {
    out.println "package $packageName"
    out.println ""
    out.println ""
    //       
    out.println "import lombok.Data;"
    out.println "import com.demo.basic.annotation.Column;"
    out.println "import com.demo.basic.annotation.Table;"
    //        
    importList.unique().each() { pkg ->
        out.println "import " + pkg + ";"
    }
    out.println ""
    //      
    out.println "/**"
    //         ，       
    if (isNotEmpty(table.getComment())) {
        out.println " * " + table.getComment()
    }
    out.println " *"
    out.println " * @author wulongtao"
    out.println " * @since " + LocalDate.now()
    out.println " */"
    //      
    out.println "@Data"
    out.println "@Table(\"${table.getName()}\")"
    out.println "public class $className {"
    out.println ""
    boolean isId = true
    //     ，        
    fields.each() {
        //     
        if (isNotEmpty(it.comment)) {
            out.println "\t/**"
            out.println "\t * ${it.comment}"
            out.println "\t */"
        }
        //             ，         ，              
        if (isId) {
            out.println "\t@Column(isPK = true, name = \"${it.realName}\")"
            isId = false
        } else {
            out.println "\t@Column(name = \"${it.realName}\")"
        }
        out.println "\tprivate ${it.type} ${it.name};"
        out.println ""
    }
    out.println "}"
}

def calcFields(table) {
    DasUtil.getColumns(table).reduce([]) { fields, col ->
        def spec = Case.LOWER.apply(col.getDataType().getSpecification())
        def typeStr = typeMapping.find { p, t -> p.matcher(spec).find() }.value
        //    BaseTimeUserIdPO      ，     
        if (!userTimeList.contains(col.getName())) {
            //           ，  list    
            if (importMap.containsKey(typeStr)) {
                importList.add(importMap.get(typeStr))
            }
            fields += [[
                               realName: col.getName(),
                               name    : javaName(col.getName(), false),
                               type    : typeStr,
                               dbType  : col.getDataType(),
                               comment : col.getComment()
                       ]]
        } else {
            fields += []
        }
    }
}

def isNotEmpty(content) {
    return content != null && content.toString().trim().length() > 0
}

def javaName(str, capitalize) {
    def s = com.intellij.psi.codeStyle.NameUtil.splitNameIntoWords(str)
            .collect { Case.LOWER.apply(it).capitalize() }
            .join("")
            .replaceAll(/[^\p{javaJavaIdentifierPart}[_]]/, "_")
    capitalize || s.length() == 1 ? s : Case.LOWER.apply(s[0]) + s[1..-1]
}