/**
* Copyright (c) 2011-2017, James Zhan 詹波 (jfinal@126.com).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jfinal.plugin.activerecord.generator;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;
import com.jfinal.kit.LogKit;
import com.jfinal.kit.StrKit;
/**
* MappingKit 文件生成器
*/
public class MappingKitGenerator {
protected String packageTemplate =
"package %s;%n%n";
protected String importTemplate =
"import com.jfinal.plugin.activerecord.ActiveRecordPlugin;%n%n";
protected String classDefineTemplate =
"/**%n" +
" * Generated by JFinal, do not modify this file.%n" +
" * <pre>%n" +
" * Example:%n" +
" * public void configPlugin(Plugins me) {%n" +
" * ActiveRecordPlugin arp = new ActiveRecordPlugin(...);%n" +
" * %s.mapping(arp);%n" +
" * me.add(arp);%n" +
" * }%n" +
" * </pre>%n" +
" */%n" +
"public class %s {%n%n";
protected String mappingMethodDefineTemplate =
"\tpublic static void mapping(ActiveRecordPlugin arp) {%n";
protected String mappingMethodContentTemplate =
"\t\tarp.addMapping(\"%s\", \"%s\", %s.class);%n";
protected String compositeKeyTemplate =
"\t\t// Composite Primary Key order: %s%n";
protected String mappingKitPackageName;
protected String mappingKitOutputDir;
protected String mappingKitClassName = "_MappingKit";
public MappingKitGenerator(String mappingKitPackageName, String mappingKitOutputDir) {
this.mappingKitPackageName = mappingKitPackageName;
this.mappingKitOutputDir = mappingKitOutputDir;
}
public void setMappingKitOutputDir(String mappingKitOutputDir) {
if (StrKit.notBlank(mappingKitOutputDir)) {
this.mappingKitOutputDir = mappingKitOutputDir;
}
}
public void setMappingKitPackageName(String mappingKitPackageName) {
if (StrKit.notBlank(mappingKitPackageName)) {
this.mappingKitPackageName = mappingKitPackageName;
}
}
public void setMappingKitClassName(String mappingKitClassName) {
if (StrKit.notBlank(mappingKitClassName)) {
this.mappingKitClassName = StrKit.firstCharToUpperCase(mappingKitClassName);
}
}
public void generate(List<TableMeta> tableMetas) {
System.out.println("Generate MappingKit file ...");
System.out.println("MappingKit Output Dir: " + mappingKitOutputDir);
StringBuilder ret = new StringBuilder();
genPackage(ret);
genImport(ret);
genClassDefine(ret);
genMappingMethod(tableMetas, ret);
ret.append(String.format("}%n%n"));
writeToFile(ret);
}
protected void genPackage(StringBuilder ret) {
ret.append(String.format(packageTemplate, mappingKitPackageName));
}
protected void genImport(StringBuilder ret) {
ret.append(String.format(importTemplate));
}
protected void genClassDefine(StringBuilder ret) {
ret.append(String.format(classDefineTemplate, mappingKitClassName, mappingKitClassName));
}
protected void genMappingMethod(List<TableMeta> tableMetas, StringBuilder ret) {
ret.append(String.format(mappingMethodDefineTemplate));
for (TableMeta tableMeta : tableMetas) {
boolean isCompositPrimaryKey = tableMeta.primaryKey.contains(",");
if (isCompositPrimaryKey) {
ret.append(String.format(compositeKeyTemplate, tableMeta.primaryKey));
}
String add = String.format(mappingMethodContentTemplate, tableMeta.name, tableMeta.primaryKey, tableMeta.modelName);
ret.append(add);
}
ret.append(String.format("\t}%n"));
}
/**
* _MappingKit.java 覆盖写入
*/
protected void writeToFile(StringBuilder ret) {
FileWriter fw = null;
try {
File dir = new File(mappingKitOutputDir);
if (!dir.exists()) {
dir.mkdirs();
}
String target = mappingKitOutputDir + File.separator + mappingKitClassName + ".java";
fw = new FileWriter(target);
fw.write(ret.toString());
}
catch (IOException e) {
throw new RuntimeException(e);
}
finally {
if (fw != null) {
try {fw.close();} catch (IOException e) {LogKit.error(e.getMessage(), e);}
}
}
}
}