package com.skyline.common.validation;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import org.apache.commons.io.FileUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.validator.Field;
import org.apache.commons.validator.Form;
import org.apache.commons.validator.FormSet;
import org.apache.commons.validator.ValidatorAction;
import org.apache.commons.validator.ValidatorResources;
import com.skyline.common.util.SpringUtils;
/**
* 生成校验脚本（实际生产中需要配置classpath来运行）
*
* @author wuqh
* */
public class ValidationJsGenerator {
private static final Log LOGGER = LogFactory.getLog(ValidationJsGenerator.class);
public static final ValidatorResources validatorResources = SpringUtils.getBean(
ValidationFactory.class).getValidatorResources();
@SuppressWarnings("unchecked")
public static String generateValidationJs(String formName) {
StringBuilder totleJs = new StringBuilder("(function($){$().ready(function() {\n");
StringBuilder rulesJs = new StringBuilder("rules:{\n");
StringBuilder messagesJs = new StringBuilder("messages:{\n");
Form form = validatorResources.getForm(Locale.getDefault(), formName);
int fieldIndex = 0;
List<Field> fields = form.getFields();
for (Field field : fields) {
if (fieldIndex != 0) {
rulesJs.append(",\n");
messagesJs.append(",\n");
}
rulesJs.append(field.getProperty()).append(":{");
messagesJs.append(field.getProperty()).append(":{");
int dependencyIndex = 0;
List<String> dependencyList = field.getDependencyList();
for (String dependency : dependencyList) {
if (dependencyIndex != 0) {
rulesJs.append(',');
messagesJs.append(',');
}
ValidatorAction va = validatorResources.getValidatorAction(dependency);
String message = ValidationUtils.getMessage(va, field);
if (dependency.equals("required")) {
rulesJs.append("required:true");
messagesJs.append("required:'").append(message).append('\'');
}
if (dependency.equals("minlength")) {
try {
int min = Integer.parseInt(field.getVarValue("minlength"));
rulesJs.append("minlength:").append(min);
messagesJs.append("minlength:'").append(message).append('\'');
} catch (Exception e) {
LOGGER.info("生成" + form.getName() + "的" + field.getProperty()
+ "字段的minlength校验失败", e);
}
}
if (dependency.equals("maxlength")) {
try {
int max = Integer.parseInt(field.getVarValue("maxlength"));
rulesJs.append("maxlength:").append(max);
messagesJs.append("maxlength:'").append(message).append('\'');
} catch (Exception e) {
LOGGER.info("生成" + form.getName() + "的" + field.getProperty()
+ "字段的minlength校验失败", e);
}
}
if (dependency.equals("mask")) {
String mask = field.getVarValue("mask");
rulesJs.append("regexmatch:").append('/').append(mask).append('/');
messagesJs.append("regexmatch:'").append(message).append('\'');
}
if (dependency.equals("byte") || dependency.equals("short")
|| dependency.equals("integer") || dependency.equals("long")
|| dependency.equals("double") || dependency.equals("float")) {
// FIXME:全部归为数值型，实际应用中是否需要区分
rulesJs.append("number:true");
messagesJs.append("number:'").append(message).append('\'');
}
if (dependency.equals("date")) {
// FIXME:使用正则，不再使用日期类型
}
if (dependency.toLowerCase().endsWith("range")) {
try {
int min = Integer.parseInt(field.getVarValue("min"));
int max = Integer.parseInt(field.getVarValue("max"));
rulesJs.append("range:").append('[').append(min).append('\'').append(max)
.append(']');
messagesJs.append("range:'").append(message).append('\'');
} catch (Exception e) {
LOGGER.info("生成" + form.getName() + "的" + field.getProperty() + "字段的"
+ dependency + "校验失败", e);
}
}
// if (dependency.endsWith("email")) {
// // FIXME:使用正则，不再使用邮件类型
// }
if (dependency.endsWith("notEqualTo")) {
try {
String toId = field.getVarValue("toid");
rulesJs.append("notEqualTo:").append("\"#").append(formName)
.append(" [name='").append(toId).append("']\"");
messagesJs.append("notEqualTo:'").append(message).append('\'');
} catch (Exception e) {
LOGGER.info("生成" + form.getName() + "的" + field.getProperty()
+ "字段的notEqualTo校验失败", e);
}
}
if (dependency.endsWith("equalTo")) {
try {
String toId = field.getVarValue("toid");
rulesJs.append("equalTo:").append("\"#").append(formName)
.append(" [name='").append(toId).append("']\"");
messagesJs.append("equalTo:'").append(message).append('\'');
} catch (Exception e) {
LOGGER.info("生成" + form.getName() + "的" + field.getProperty()
+ "字段的notEqualTo校验失败", e);
}
}
// if (dependency.endsWith("submitToken")) {
// //FIXME:表单防重复提交校验不生成JS
// }
dependencyIndex++;
}
rulesJs.append('}');
messagesJs.append('}');
fieldIndex++;
}
rulesJs.append("\n},\n");
messagesJs.append("\n}\n");
totleJs.append("$(\"#" + formName + "\").validate({\n").append(rulesJs.toString())
.append(messagesJs.toString()).append("});\n});\n})(jQuery);");
try {
return new String(totleJs.toString().getBytes("utf-8"));
} catch (UnsupportedEncodingException e) {
LOGGER.info("脚本编码转换失败！使用未编码转换的字符串。");
return totleJs.toString();
}
}
@SuppressWarnings("unchecked")
public static void generateValidationJsFile(String basePath) throws IOException {
FormSet formSet = null;
try {
java.lang.reflect.Field field = validatorResources.getClass().getDeclaredField(
"defaultFormSet");
field.setAccessible(true);
formSet = (FormSet) field.get(validatorResources);
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchFieldException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (formSet != null) {
Set<String> formNames = formSet.getForms().keySet();
for (String formName : formNames) {
File file = new File(basePath, formName + ".js");
String js = generateValidationJs(formName);
FileUtils.writeStringToFile(file, js);
}
}
}
public static void main(String... strings) throws IOException {
generateValidationJsFile("/home/skyline/WorkSpace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/skyline/js/validator/");
System.out.println("成功生成js文件");
}
}