ars.database.service.Services Maven / Gradle / Ivy
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package ars.database.service;
import java.io.File;
import java.io.IOException;
import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.net.URLDecoder;
import java.lang.reflect.Modifier;
import ars.util.Beans;
import ars.util.Strings;
import ars.database.model.TreeModel;
/**
* 业务操作工具类
*
* @author wuyongqiang
*/
public final class Services {
/**
* 业务处理对象工厂
*/
private static ServiceFactory serviceFactory;
private Services() {
}
/**
* 获取业务处理对象工厂
*
* @return 业务处理对象工厂
*/
public static ServiceFactory getServiceFactory() {
if (serviceFactory == null) {
throw new IllegalStateException("ServiceFactory not initialize");
}
return serviceFactory;
}
/**
* 设置业务处理对象工厂
*
* @param serviceFactory 业务处理对象工厂
*/
public static void setServiceFactory(ServiceFactory serviceFactory) {
if (serviceFactory == null) {
throw new IllegalArgumentException("ServiceFactory must not be null");
}
if (Services.serviceFactory != null) {
throw new IllegalStateException("ServiceFactory already initialized");
}
synchronized (Services.class) {
if (Services.serviceFactory == null) {
Services.serviceFactory = serviceFactory;
}
}
}
/**
* 获取业务操作对象
*
* @param 数据类型
* @param model 数据模型
* @return 业务操作对象
*/
public static Service getService(Class model) {
return getServiceFactory().getService(model);
}
/**
* 创建数据业务层代码
*
* @param packages 数据模型所在包
*/
public static void createServiceResource(String... packages) {
for (String pack : packages) {
createServiceResource(Beans.getClasses(pack).toArray(new Class[0]));
}
}
/**
* 创建数据业务层代码
*
* @param models 数据模型数组
*/
public static void createServiceResource(Class... models) {
for (Class model : models) {
if (Beans.isMetaClass(model) || Modifier.isAbstract(model.getModifiers())) {
continue;
}
File resourcePath;
try {
resourcePath = new File(new File(URLDecoder.decode(System.getProperty("user.dir"), "utf-8")), "src");
} catch (IOException e) {
throw new RuntimeException(e);
}
String pack = model.getPackage().getName();
String basePack = pack.substring(0, pack.lastIndexOf("."));
File serviceInterfacePath = new File(new File(resourcePath, Strings.replace(basePack, '.', '/')),
"service");
if (!serviceInterfacePath.exists()) {
serviceInterfacePath.mkdirs();
}
String serviceInterfaceName = model.getSimpleName() + "Service";
File serviceInterface = new File(serviceInterfacePath, serviceInterfaceName + ".java");
if (!serviceInterface.exists()) {
BufferedWriter writer = null;
try {
writer = new BufferedWriter(
new OutputStreamWriter(new FileOutputStream(serviceInterface), "utf-8"));
writer.write("package " + basePack + ".service;");
writer.newLine();
writer.newLine();
writer.write("import ars.invoke.local.Api;");
writer.newLine();
if (TreeModel.class.isAssignableFrom(model)) {
writer.write("import ars.database.service.TreeService;");
writer.newLine();
}
writer.write("import ars.database.service.BasicService;");
writer.newLine();
writer.newLine();
writer.write("import " + model.getName() + ";");
writer.newLine();
writer.newLine();
writer.write("/**");
writer.newLine();
writer.write(" * " + model.getSimpleName() + " service interface");
writer.newLine();
writer.write(" *");
writer.newLine();
writer.write(" * @author " + System.getenv().get("USERNAME"));
writer.newLine();
writer.write(" *");
writer.newLine();
writer.write(" */");
writer.newLine();
writer.write("@Api(\"" + (Strings.replace(pack.substring(0, pack.lastIndexOf('.')), '.', '/') + "/"
+ model.getSimpleName()).toLowerCase() + "\")");
writer.newLine();
if (TreeModel.class.isAssignableFrom(model)) {
writer.write("public interface " + serviceInterfaceName + " extends BasicService<"
+ model.getSimpleName() + ">, TreeService<" + model.getSimpleName() + "> {");
} else {
writer.write("public interface " + serviceInterfaceName + " extends BasicService<"
+ model.getSimpleName() + "> {");
}
writer.newLine();
writer.newLine();
writer.write("}");
writer.newLine();
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
if (writer != null) {
try {
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
File serviceImplementPath = new File(serviceInterfacePath, "impl");
if (!serviceImplementPath.exists()) {
serviceImplementPath.mkdirs();
}
File serviceImplement = new File(serviceImplementPath, serviceInterfaceName + "Impl.java");
if (!serviceImplement.exists()) {
BufferedWriter writer = null;
try {
writer = new BufferedWriter(
new OutputStreamWriter(new FileOutputStream(serviceImplement), "utf-8"));
writer.write("package " + basePack + ".service.impl;");
writer.newLine();
writer.newLine();
writer.write("import org.springframework.stereotype.Service;");
writer.newLine();
writer.newLine();
writer.write("import ars.database.service.StandardGeneralService;");
writer.newLine();
writer.newLine();
writer.write("import " + model.getName() + ";");
writer.newLine();
writer.write("import " + basePack + ".service." + serviceInterfaceName + ";");
writer.newLine();
writer.newLine();
writer.write("@Service");
writer.newLine();
writer.write("public class " + serviceInterfaceName + "Impl extends StandardGeneralService<"
+ model.getSimpleName() + "> implements " + serviceInterfaceName + " {");
writer.newLine();
writer.newLine();
writer.write("}");
writer.newLine();
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
if (writer != null) {
try {
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
}
}
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