idea-jpa groovy

wzc.jpa.entity.groovy

import com.intellij.database.model.DasTable
import com.intellij.database.model.ObjectKind
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil
import java.lang.String

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

packageName = "com.sephiroth;"
fileBefor = ".java"
typeMapping = [
        (~/(?i)int|integer/)                      : "Integer",
        (~/(?i)number\(\*\)/)                      : "Integer",
        (~/(?i)number\([0-9]*,[0-9]\)|float|double|decimal|real/): "Double",
        (~/(?i)timestamp/)                          : "java.sql.Timestamp",
        (~/(?i)datetime|date/)                     : "java.util.Date",
        (~/(?i)time/)                     : "java.sql.Time",
        (~/(?i)/)                         : "String"
]

FILES.chooseDirectoryAndSave("Choose directory", "Choose where to store generated files") { dir ->
    SELECTION.filter { it instanceof DasTable && (it.getKind() == ObjectKind.TABLE || it.getKind() == ObjectKind.VIEW) }.each { generate(it, dir) }
}


def generate(out, className, fields, table) {
    def key = fields[0]
    def length = fields.size()-1
    out.println """
package com.docusign.jpa.entity;

import lombok.Data;
import org.springframework.data.annotation.Id;

import javax.persistence.Column;
import javax.persistence.Entity;
import java.io.Serializable;

@Data
@Entity
public class ${className} implements Serializable {
"""
    out.println ""
    def gzcol = ""
    for (i in 0..length) {
        def it = fields[i]
        if (continerBaseDO(it)) {
            continue
        }
        if(i>0) {
            gzcol += ","
        }
        gzcol+= "${it.type} ${it.name}"

        if (it.annos != "") out.println "  ${it.annos}"
        out.println """  /**
   * ${it.commoent}
   */"""
        out.println "  @Column(name = \"${it.colname}\")"
        out.println "  private ${it.type} ${it.name};"
    }
    out.println "}"
}

// region 共通方法


def generate(table, dir) {
    //    def className = javaName(table.getName(), true)
    def className = getClassNmae(table)
    def fields = calcFields(table)
    // 根据目录生成 package
    packageName = getPackageName(dir)
    new File(dir, className + fileBefor).withPrintWriter { out -> generate(out, className, fields, table) }
}

def continerBaseDO(it) {
    return (it.name == "enableFlag"|| it.name == "createdDate"||it.name == "createdBy" ||it.name == "updatedDate" ||it.name == "updatedBy" )
}

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
        fields += [[
                           colname: col.getName(),
                           name : javaName(col.getName(), false),
                           type : typeStr,
                           commoent: col.getComment(),
                           annos: ""]]
    }
}

/**
 * 获取名字
 * @param table
 * @return
 */
def getClassNmae(table) {
    def tableName = table.getName()
//    return javaName(tableName.replaceAll("^CMS_V_?", "").replaceAll("^CMS[_A-Z]{4}?", ""),true)
    if(table.getKind() == ObjectKind.TABLE){
        return javaName(tableName,true)
    } else {
        return javaName(tableName,true)
    }

}

/**
 * 获取java名字
 * @param str
 * @param capitalize
 * @return
 */
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]
}


/**
 * 获取包名称
 * @param dir 实体类所在目录
 * @return
 */
def getPackageName(dir) {
    return dir.toString().replaceAll("/", ".").replaceAll("\\\\", ".").replaceAll("^.*src(\\.main\\.java\\.)?", "") + ";"
}
// endregion