package cn.org.rapid_framework.generator;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import cn.org.rapid_framework.generator.Generator.GeneratorModel;
import cn.org.rapid_framework.generator.provider.db.sql.model.Sql;
import cn.org.rapid_framework.generator.provider.db.table.TableFactory;
import cn.org.rapid_framework.generator.provider.db.table.model.Table;
import cn.org.rapid_framework.generator.provider.java.model.JavaClass;
import cn.org.rapid_framework.generator.util.BeanHelper;
import cn.org.rapid_framework.generator.util.GLogger;
import cn.org.rapid_framework.generator.util.GeneratorException;
/**
*
* @author badqiu
*
*/
public class GeneratorFacade {
public Generator g = new Generator();
public GeneratorFacade(){
g.setOutRootDir(GeneratorProperties.getProperty("outRoot"));
}
public static void printAllTableNames() throws Exception {
PrintUtils.printAllTableNames(TableFactory.getInstance().getAllTables());
}
public void deleteOutRootDir() throws IOException {
g.deleteOutRootDir();
}
public void generateByMap(Map map,String templateRootDir) throws Exception {
new ProcessUtils().processByMap(map, templateRootDir,false);
}
public void deleteByMap(Map map,String templateRootDir) throws Exception {
new ProcessUtils().processByMap(map, templateRootDir,true);
}
public void generateByAllTable(String templateRootDir) throws Exception {
new ProcessUtils().processByAllTable(templateRootDir,false);
}
public void deleteByAllTable(String templateRootDir) throws Exception {
new ProcessUtils().processByAllTable(templateRootDir,true);
}
public void generateByTable(String tableName,String templateRootDir) throws Exception {
new ProcessUtils().processByTable(tableName,templateRootDir,false);
}
public void deleteByTable(String tableName,String templateRootDir) throws Exception {
new ProcessUtils().processByTable(tableName,templateRootDir,true);
}
public void generateByClass(Class clazz,String templateRootDir) throws Exception {
new ProcessUtils().processByClass(clazz, templateRootDir,false);
}
public void deleteByClass(Class clazz,String templateRootDir) throws Exception {
new ProcessUtils().processByClass(clazz, templateRootDir,true);
}
public void generateBySql(Sql sql,String templateRootDir) throws Exception {
new ProcessUtils().processBySql(sql,templateRootDir,false);
}
public void deleteBySql(Sql sql,String templateRootDir) throws Exception {
new ProcessUtils().processBySql(sql,templateRootDir,true);
}
private Generator getGenerator(String templateRootDir) {
g.setTemplateRootDir(new File(templateRootDir).getAbsoluteFile());
return g;
}
/** 生成器的上下文，存放的变量将可以在模板中引用 */
public static class GeneratorContext {
static ThreadLocal<Map> context = new ThreadLocal<Map>();
public static void clear() {
Map m = context.get();
if(m != null) m.clear();
}
public static Map getContext() {
Map map = context.get();
if(map == null) {
setContext(new HashMap());
}
return context.get();
}
public static void setContext(Map map) {
context.set(map);
}
public static void put(String key,Object value) {
getContext().put(key, value);
}
}
public class ProcessUtils {
public void processByMap(Map params, String templateRootDir,boolean isDelete) throws Exception, FileNotFoundException {
Generator g = getGenerator(templateRootDir);
GeneratorModel m = GeneratorModelUtils.newFromMap(params);
processByGeneratorModel(templateRootDir, isDelete, g, m);
}
public void processBySql(Sql sql,String templateRootDir,boolean isDelete) throws Exception {
Generator g = getGenerator(templateRootDir);
GeneratorModel m = GeneratorModelUtils.newFromSql(sql);
PrintUtils.printBeginProcess("sql:"+sql.getSourceSql(),isDelete);
processByGeneratorModel(templateRootDir,isDelete,g,m);
}
public void processByClass(Class clazz, String templateRootDir,boolean isDelete) throws Exception, FileNotFoundException {
Generator g = getGenerator(templateRootDir);
GeneratorModel m = GeneratorModelUtils.newFromClass(clazz);
PrintUtils.printBeginProcess("JavaClass:"+clazz.getSimpleName(),isDelete);
processByGeneratorModel(templateRootDir, isDelete, g, m);
}
private void processByGeneratorModel(String templateRootDir,
boolean isDelete, Generator g,
GeneratorModel m)
throws Exception,
FileNotFoundException {
try {
if(isDelete)
g.deleteBy(m.templateModel, m.filePathModel);
else
g.generateBy(m.templateModel, m.filePathModel);
}catch(GeneratorException ge) {
PrintUtils.printExceptionsSumary(ge.getMessage(),getGenerator(templateRootDir).getOutRootDir(),ge.getExceptions());
}
}
public void processByTable(String tableName,String templateRootDir,boolean isDelete) throws Exception {
if("*".equals(tableName)) {
if(isDelete)
deleteByAllTable(templateRootDir);
else
generateByAllTable(templateRootDir);
return;
}
Generator g = getGenerator(templateRootDir);
Table table = TableFactory.getInstance().getTable(tableName);
try {
processByTable(g,table,isDelete);
}catch(GeneratorException ge) {
PrintUtils.printExceptionsSumary(ge.getMessage(),getGenerator(templateRootDir).getOutRootDir(),ge.getExceptions());
}
}
public void processByAllTable(String templateRootDir,boolean isDelete) throws Exception {
List<Table> tables = TableFactory.getInstance().getAllTables();
List exceptions = new ArrayList();
for(int i = 0; i < tables.size(); i++ ) {
try {
processByTable(getGenerator(templateRootDir),tables.get(i),isDelete);
}catch(GeneratorException ge) {
exceptions.addAll(ge.getExceptions());
}
}
PrintUtils.printExceptionsSumary("",getGenerator(templateRootDir).getOutRootDir(),exceptions);
}
public void processByTable(Generator g, Table table,boolean isDelete) throws Exception {
GeneratorModel m = GeneratorModelUtils.newFromTable(table);
PrintUtils.printBeginProcess(table.getSqlName()+" => "+table.getClassName(),isDelete);
if(isDelete)
g.deleteBy(m.templateModel,m.filePathModel);
else
g.generateBy(m.templateModel,m.filePathModel);
}
}
@SuppressWarnings("all")
public static class GeneratorModelUtils {
public static GeneratorModel newFromTable(Table table) {
Map templateModel = new HashMap();
templateModel.put("table", table);
setShareVars(templateModel);
Map filePathModel = new HashMap();
setShareVars(filePathModel);
filePathModel.putAll(BeanHelper.describe(table));
return new GeneratorModel(templateModel,filePathModel);
}
public static GeneratorModel newFromSql(Sql sql) throws Exception {
Map templateModel = new HashMap();
templateModel.put("sql", sql);
setShareVars(templateModel);
Map filePathModel = new HashMap();
setShareVars(filePathModel);
filePathModel.putAll(BeanHelper.describe(sql));
return new GeneratorModel(templateModel,filePathModel);
}
public static GeneratorModel newFromClass(Class clazz) {
Map templateModel = new HashMap();
templateModel.put("clazz", new JavaClass(clazz));
setShareVars(templateModel);
Map filePathModel = new HashMap();
setShareVars(filePathModel);
filePathModel.putAll(BeanHelper.describe(new JavaClass(clazz)));
return new GeneratorModel(templateModel,filePathModel);
}
public static GeneratorModel newFromMap(Map params) {
Map templateModel = new HashMap();
templateModel.putAll(params);
setShareVars(templateModel);
Map filePathModel = new HashMap();
setShareVars(filePathModel);
filePathModel.putAll(params);
return new GeneratorModel(templateModel,filePathModel);
}
public static void setShareVars(Map templateModel) {
templateModel.putAll(GeneratorProperties.getProperties());
templateModel.putAll(System.getProperties());
templateModel.put("env", System.getenv());
templateModel.put("now", new Date());
templateModel.putAll(GeneratorContext.getContext());
}
}
private static class PrintUtils {
private static void printExceptionsSumary(String msg,String outRoot,List<Exception> exceptions) throws FileNotFoundException {
File errorFile = new File(outRoot,"generator_error.log");
if(exceptions != null && exceptions.size() > 0) {
System.err.println("[Generate Error Summary] : "+msg);
PrintStream output = new PrintStream(new FileOutputStream(errorFile));
for(int i = 0; i < exceptions.size(); i++) {
Exception e = exceptions.get(i);
System.err.println("[GENERATE ERROR]:"+e);
if(i == 0) e.printStackTrace();
e.printStackTrace(output);
}
output.close();
System.err.println("***************************************************************");
System.err.println("* "+"* 输出目录已经生成generator_error.log用于查看错误 ");
System.err.println("***************************************************************");
}
}
private static void printBeginProcess(String displayText,boolean isDatele) {
GLogger.println("***************************************************************");
GLogger.println("* BEGIN " + (isDatele ? " delete by " : " generate by ")+ displayText);
GLogger.println("***************************************************************");
}
public static void printAllTableNames(List<Table> tables) throws Exception {
GLogger.println("\n----All TableNames BEGIN----");
for(int i = 0; i < tables.size(); i++ ) {
String sqlName = ((Table)tables.get(i)).getSqlName();
GLogger.println("g.generateTable(\""+sqlName+"\");");
}
GLogger.println("----All TableNames END----");
}
}
}