VelocityUtils.java
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package com.huaheng.common.utils;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import com.huaheng.common.constant.GenConstants;
import com.huaheng.common.utils.DateUtils;
import com.huaheng.common.utils.StringUtils;
import com.huaheng.framework.config.GenConfig;
import com.huaheng.pc.tool.gen.domain.GenTable;
import com.huaheng.pc.tool.gen.domain.GenTableColumn;
import org.apache.velocity.VelocityContext;
import com.alibaba.fastjson.JSONObject;
public class VelocityUtils {
/**
* 项目空间路径
*/
private static final String PROJECT_PATH = "main/java";
/**
* mybatis空间路径
*/
private static final String MYBATIS_PATH = "main/resources/mapper";
/**
* html空间路径
*/
private static final String TEMPLATES_PATH = "main/resources/templates";
/**
* 设置模板变量信息
*
* @return 模板列表
*/
public static VelocityContext prepareContext(GenTable genTable) {
String moduleName = genTable.getModuleName();
String businessName = genTable.getBusinessName();
String packageName = genTable.getPackageName();
String tplCategory = genTable.getTplCategory();
String functionName = genTable.getFunctionName();
VelocityContext velocityContext = new VelocityContext();
velocityContext.put("tplCategory", genTable.getTplCategory());
velocityContext.put("tableName", genTable.getTableName());
velocityContext.put("functionName", StringUtils.isNotEmpty(functionName) ? functionName : "【请填写功能名称】");
velocityContext.put("ClassName", genTable.getClassName());
velocityContext.put("className", StringUtils.uncapitalize(genTable.getClassName()));
velocityContext.put("moduleName", genTable.getModuleName());
velocityContext.put("businessName", genTable.getBusinessName());
velocityContext.put("basePackage", getPackagePrefix(packageName));
velocityContext.put("packageName", packageName);
velocityContext.put("author", genTable.getFunctionAuthor());
velocityContext.put("datetime", DateUtils.getDate());
velocityContext.put("pkColumn", genTable.getPkColumn());
velocityContext.put("importList", getImportList(genTable));
velocityContext.put("permissionPrefix", getPermissionPrefix(moduleName, businessName));
velocityContext.put("columns", genTable.getColumns());
velocityContext.put("table", genTable);
if (GenConstants.TPL_TREE.equals(tplCategory)) {
setTreeVelocityContext(velocityContext, genTable);
}
if (GenConstants.TPL_SUB.equals(tplCategory)) {
setSubVelocityContext(velocityContext, genTable);
}
return velocityContext;
}
public static void setTreeVelocityContext(VelocityContext context, GenTable genTable) {
String options = genTable.getOptions();
JSONObject paramsObj = JSONObject.parseObject(options);
String treeCode = getTreecode(paramsObj);
String treeParentCode = getTreeParentCode(paramsObj);
String treeName = getTreeName(paramsObj);
context.put("treeCode", treeCode);
context.put("treeParentCode", treeParentCode);
context.put("treeName", treeName);
context.put("expandColumn", getExpandColumn(genTable));
if (paramsObj.containsKey(GenConstants.TREE_PARENT_CODE)) {
context.put("tree_parent_code", paramsObj.getString(GenConstants.TREE_PARENT_CODE));
}
if (paramsObj.containsKey(GenConstants.TREE_NAME)) {
context.put("tree_name", paramsObj.getString(GenConstants.TREE_NAME));
}
}
public static void setSubVelocityContext(VelocityContext context, GenTable genTable) {
GenTable subTable = genTable.getSubTable();
String subTableName = genTable.getSubTableName();
String subTableFkName = genTable.getSubTableFkName();
String subClassName = genTable.getSubTable().getClassName();
String subTableFkClassName = StringUtils.convertToCamelCase(subTableFkName);
context.put("subTable", subTable);
context.put("subTableName", subTableName);
context.put("subTableFkName", subTableFkName);
context.put("subTableFkClassName", subTableFkClassName);
context.put("subTableFkclassName", StringUtils.uncapitalize(subTableFkClassName));
context.put("subClassName", subClassName);
context.put("subclassName", StringUtils.uncapitalize(subClassName));
context.put("subImportList", getImportList(genTable.getSubTable()));
}
/**
* 获取模板信息
*
* @return 模板列表
*/
public static List<String> getTemplateList(String tplCategory) {
List<String> templates = new ArrayList<String>();
templates.add("templates/vm/java/domain.java.vm");
templates.add("templates/vm/java/mapper.java.vm");
templates.add("templates/vm/java/service.java.vm");
// templates.add("templates/vm/java/serviceImpl.java.vm");
templates.add("templates/vm/java/controller.java.vm");
templates.add("templates/vm/xml/mapper.xml.vm");
if (GenConstants.TPL_CRUD.equals(tplCategory)) {
templates.add("templates/vm/html/list.html.vm");
} else if (GenConstants.TPL_TREE.equals(tplCategory)) {
templates.add("templates/vm/html/tree.html.vm");
templates.add("templates/vm/html/list-tree.html.vm");
} else if (GenConstants.TPL_SUB.equals(tplCategory)) {
templates.add("templates/vm/html/list.html.vm");
templates.add("templates/vm/java/sub-domain.java.vm");
}
templates.add("templates/vm/html/add.html.vm");
templates.add("templates/vm/html/edit.html.vm");
templates.add("templates/vm/sql/sql.vm");
return templates;
}
/**
* 获取文件名
*/
public static String getFileName(String template, GenTable genTable) {
// 文件名称
String fileName = "";
// 包路径
String packageName = genTable.getPackageName();
// 模块名
String moduleName = genTable.getModuleName();
// 大写类名
String className = genTable.getClassName();
// 业务名称
String businessName = genTable.getBusinessName();
String javaPath = PROJECT_PATH + "/" + StringUtils.replace(packageName, ".", "/");
String mybatisPath = MYBATIS_PATH + "/" + moduleName;
String htmlPath = TEMPLATES_PATH + "/" + moduleName + "/" + businessName;
if (template.contains("domain.java.vm")) {
fileName = StringUtils.format("{}/domain/{}.java", javaPath, className);
}
if (template.contains("sub-domain.java.vm") && StringUtils.equals(GenConstants.TPL_SUB, genTable.getTplCategory())) {
fileName = StringUtils.format("{}/domain/{}.java", javaPath, genTable.getSubTable().getClassName());
} else if (template.contains("mapper.java.vm")) {
fileName = StringUtils.format("{}/mapper/{}Mapper.java", javaPath, className);
} else if (template.contains("service.java.vm")) {
fileName = StringUtils.format("{}/service/{}Service.java", javaPath, className);
// fileName = StringUtils.format("{}/service/I{}Service.java", javaPath, className);
} else if (template.contains("serviceImpl.java.vm")) {
fileName = StringUtils.format("{}/service/impl/{}ServiceImpl.java", javaPath, className);
} else if (template.contains("controller.java.vm")) {
fileName = StringUtils.format("{}/controller/{}Controller.java", javaPath, className);
} else if (template.contains("mapper.xml.vm")) {
fileName = StringUtils.format("{}/{}Mapper.xml", mybatisPath, className);
} else if (template.contains("list.html.vm")) {
fileName = StringUtils.format("{}/list.html", htmlPath, businessName);
} else if (template.contains("list-tree.html.vm")) {
fileName = StringUtils.format("{}/list.html", htmlPath, businessName);
} else if (template.contains("tree.html.vm")) {
fileName = StringUtils.format("{}/tree.html", htmlPath);
} else if (template.contains("add.html.vm")) {
fileName = StringUtils.format("{}/add.html", htmlPath);
} else if (template.contains("edit.html.vm")) {
fileName = StringUtils.format("{}/edit.html", htmlPath);
} else if (template.contains("sql.vm")) {
fileName = businessName + "Menu.sql";
}
return fileName;
}
/**
* 获取项目文件路径
*
* @return 路径
*/
public static String getProjectPath() {
String packageName = GenConfig.getPackageName();
StringBuffer projectPath = new StringBuffer();
projectPath.append("main/java/");
projectPath.append(packageName.replace(".", "/"));
projectPath.append("/");
return projectPath.toString();
}
/**
* 获取包前缀
*
* @param packageName 包名称
* @return 包前缀名称
*/
public static String getPackagePrefix(String packageName) {
int lastIndex = packageName.lastIndexOf(".");
String basePackage = StringUtils.substring(packageName, 0, lastIndex);
return basePackage;
}
/**
* 根据列类型获取导入包
*
* @param genTable 业务表对象
* @return 返回需要导入的包列表
*/
public static HashSet<String> getImportList(GenTable genTable) {
List<GenTableColumn> columns = genTable.getColumns();
GenTable subGenTable = genTable.getSubTable();
HashSet<String> importList = new HashSet<String>();
if (StringUtils.isNotNull(subGenTable)) {
importList.add("java.util.List");
}
for (GenTableColumn column : columns) {
if (!column.isSuperColumn() && GenConstants.TYPE_DATE.equals(column.getJavaType())) {
importList.add("java.util.Date");
} else if (!column.isSuperColumn() && GenConstants.TYPE_BIGDECIMAL.equals(column.getJavaType())) {
importList.add("java.math.BigDecimal");
}
}
return importList;
}
/**
* 获取权限前缀
*
* @param moduleName 模块名称
* @param businessName 业务名称
* @return 返回权限前缀
*/
public static String getPermissionPrefix(String moduleName, String businessName) {
return StringUtils.format("{}:{}", moduleName, businessName);
}
/**
* 获取树编码
*
* @param paramsObj 生成其他选项
* @return 树编码
*/
public static String getTreecode(JSONObject paramsObj) {
if (paramsObj.containsKey(GenConstants.TREE_CODE)) {
return StringUtils.toCamelCase(paramsObj.getString(GenConstants.TREE_CODE));
}
return "";
}
/**
* 获取树父编码
*
* @param paramsObj 生成其他选项
* @return 树父编码
*/
public static String getTreeParentCode(JSONObject paramsObj) {
if (paramsObj.containsKey(GenConstants.TREE_PARENT_CODE)) {
return StringUtils.toCamelCase(paramsObj.getString(GenConstants.TREE_PARENT_CODE));
}
return "";
}
/**
* 获取树名称
*
* @param paramsObj 生成其他选项
* @return 树名称
*/
public static String getTreeName(JSONObject paramsObj) {
if (paramsObj.containsKey(GenConstants.TREE_NAME)) {
return StringUtils.toCamelCase(paramsObj.getString(GenConstants.TREE_NAME));
}
return "";
}
/**
* 获取需要在哪一列上面显示展开按钮
*
* @param genTable 业务表对象
* @return 展开按钮列序号
*/
public static int getExpandColumn(GenTable genTable) {
String options = genTable.getOptions();
JSONObject paramsObj = JSONObject.parseObject(options);
String treeName = paramsObj.getString(GenConstants.TREE_NAME);
int num = 0;
for (GenTableColumn column : genTable.getColumns()) {
if (column.isList()) {
num++;
String columnName = column.getColumnName();
if (columnName.equals(treeName)) {
break;
}
}
}
return num;
}
}