package com.vci.client.omd.provider;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.OutputStreamWriter;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.dom4j.Document;
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import org.dom4j.DocumentException;
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import org.dom4j.Element;
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import org.dom4j.io.SAXReader;
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import com.vci.omd.constants.OmdConstants;
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import com.vci.client.common.providers.ServiceProvider;
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import com.vci.corba.common.VCIError;
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import com.vci.corba.omd.etm.EnumChild;
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import com.vci.corba.omd.etm.EnumItem;
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import com.vci.corba.omd.etm.EnumServicePrx;
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public class EnumProvider {
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private EnumProvider(){
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}
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private static class InstanceHolder{
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private static EnumProvider instance = new EnumProvider();
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}
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public static EnumProvider getInstance(){
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return InstanceHolder.instance;
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}
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public EnumServicePrx getService(){
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try {
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return ServiceProvider.getOMDService().getEnumService();
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} catch (Exception e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 获取所有枚举
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* @return
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*/
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public EnumItem[] getAllEnums(){
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try {
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return getService().getEmItems("", 1, 1);
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} catch (VCIError e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 获取指定的枚举
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* @param name
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* @return
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*/
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public EnumItem getEnumByName(String name){
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try {
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return getService().getEmItemByName(name);
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} catch (VCIError e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 根据枚举名和 枚举项名获取枚举项值
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* @param enumName
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* @param enumChildName
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* @return
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*/
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public String getEnumItemValue(String enumName, String enumChildName) {
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EnumItem enumItem = getInstance().getEnumByName(enumName);
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for(EnumChild ec : enumItem.children){
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if(ec.name.equalsIgnoreCase(enumChildName)){
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return ec.value;
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}
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}
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return null;
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}
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public boolean expData(String dir, EnumItem[] objs) {
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//TODO调用ENUM的导出
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BufferedWriter bw = null;
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FileOutputStream fos = null;
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OutputStreamWriter osw =null;
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try{
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File file = new File(dir + "/enum.txt");
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//将clob字段写到单独的文件中
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new File(dir + "/enum").mkdir();
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//add by caill start 2015.12.16 导出时将txt文件设置为“utf-8”格式
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fos = new FileOutputStream(file);
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osw = new OutputStreamWriter(fos, "utf-8");
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bw = new BufferedWriter(osw);
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//add by caill end
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/*w = new FileWriter(file);
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bw = new BufferedWriter(w);*/
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for(EnumItem o : objs){
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//若str小于缓冲区大小, 将写到缓冲区;
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//若str大于缓冲区大小, 将刷新缓冲区(将缓冲区内容写到底层流), 然后str直接写到底层流.
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String text = getObjectText(o);
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bw.write(text);
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bw.newLine();
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BufferedWriter clobBW = null;
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FileOutputStream fo = null;
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OutputStreamWriter pw =null;
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try{
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File clobFile = new File(dir + "/enum/" + o.oid + ".xml");
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//add by caill start 2015.12.15 将xml内容和xml文件格式统一
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fo = new FileOutputStream(clobFile);
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pw = new OutputStreamWriter(fo, "utf-8");
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clobBW = new BufferedWriter(pw);
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clobBW.write( "<?xml version=\"1.0\" encoding=\"utf-8\" ?>");
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clobBW.write(getXmlText(o));
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clobBW.flush();
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//pw.close();
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//add by caill end
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/*File clobFile = new File(dir + "/enum/" + o.oid + ".xml");
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clobW = new FileWriter(clobFile);
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clobBW = new BufferedWriter(clobW);
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clobBW.write( "<?xml version=\"1.0\" encoding=\"gb2312\" ?>");//gb2312
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clobBW.write(getXmlText(o));
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clobBW.flush();*/
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}catch(IOException e2){
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e2.printStackTrace();
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}finally{
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try{
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if(clobBW != null){
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//clobW.close();
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fo.close(); //add by caill 2015.12.16 将fo关闭
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pw.close(); //add by caill 2015.12.16 将pw关闭
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clobBW.close();
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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bw.flush();
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System.out.println("**************枚举导出成功************");
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return true;
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}catch(IOException e){
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e.printStackTrace();
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System.out.println("**************枚举导出失败************");
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return false;
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}finally{
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try {
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if(bw != null){
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//w.close();
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fos.close(); //add by caill 2015.12.16 将fos关闭
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osw.close(); //add by caill 2015.12.16 将osw关闭
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bw.close();
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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/**
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* 将对象转化成字符串
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* {oid:qqq, name:q}
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* @param o
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* @return
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*/
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public String getObjectText(EnumItem o) {
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StringBuilder stb = new StringBuilder("{");
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stb.append(OmdConstants.OID + ":" + o.oid + ",");
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stb.append(OmdConstants.NAME + ":" + o.name + ",");
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stb.append(OmdConstants.LABEL + ":" + o.label + ",");
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stb.append(OmdConstants.TS + ":" + o.ts + ",");
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stb.append(OmdConstants.CREATOR + ":" + o.creator + ",");
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stb.append(OmdConstants.CREATETIME + ":" + o.createTime + ",");
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stb.append(OmdConstants.MODIFIER + ":" + o.modifier + ",");
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stb.append(OmdConstants.MODIFYTIME + ":" + o.modifyTime);
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stb.append("}");
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return stb.toString();
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}
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/**
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* 将emItem转化成xmltext
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* @param emItem
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* @return
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*/
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public String getXmlText(EnumItem emItem) {
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StringBuilder stb = new StringBuilder("<enum>");
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stb.append("<name>" + emItem.name + "</name>");
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stb.append("<label>" + emItem.label + "</label>");
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stb.append("<type>" + emItem.type + "</type>");
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stb.append("<length>" + emItem.length + "</length>");
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for(EnumChild ec : emItem.children){
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stb.append("<child>");
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stb.append("<name>" + ec.name + "</name>");
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stb.append("<value>" + ec.value + "</value>");
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stb.append("<description>" + ec.description + "</description>");
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stb.append("</child>");
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}
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stb.append("</enum>");
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return stb.toString();
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}
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/**
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* 从导入文件中解析出EnumItem
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* @param dir
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* @return
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*/
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public List<EnumItem> getEnumsFromFile(String dir){
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File file = new File(dir + "/enum.txt");
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List<EnumItem> list = new ArrayList<EnumItem>();
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BufferedReader br = null;
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FileInputStream fo = null;
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InputStreamReader isw =null;
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try {
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/*r = new FileReader(file);
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br = new BufferedReader(r);*/
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//add by caill start 2015.12.16 导入时将txt文件内容设置为“utf-8”格式
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fo = new FileInputStream(file);
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isw = new InputStreamReader(fo, "utf-8");
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br = new BufferedReader(isw);
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//add by caill end
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String str = null;
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while((str = br.readLine()) != null){
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Map<String, String> map = getMapFormText(str);
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String oid = map.get("oid");
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if(oid != null && !oid.equals("")){
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File contentFile = new File(dir + "/enum/" + oid + ".xml");
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if(!contentFile.exists()){
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System.out.println(dir + "/enum/" + oid + ".xml不存在");
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break;
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}
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EnumItem em = new EnumItem();
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em.oid = oid;
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em.name = map.get("name");
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em.label = map.get("label");
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//em.label = map.get("ts");
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em.ts = map.get("ts");
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em.creator = map.get("creator");
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em.createTime = Long.valueOf(map.get("createTime"));
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em.modifier = map.get("modifier");
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em.modifyTime = Long.valueOf(map.get("modifyTime"));
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SAXReader sa = new SAXReader();
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//add by caill 2015.12.16 导入时将saxReader对象设置为“utf-8”格式
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sa.setEncoding("utf-8");
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Document document = sa.read(contentFile);
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setEnumValueFormDoc(em, document.getRootElement());
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list.add(em);
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}else{
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System.out.println(dir + "enum.txt中存在oid为空的错误记录");
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break;
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}
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}
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return list;
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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} catch (DocumentException e) {
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e.printStackTrace();
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} finally{
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if(br != null){
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try {
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//r.close();
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fo.close(); //add by caill 2015.12.16 将fo关闭
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isw.close(); //add by caill 2015.12.16 将isw关闭
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br.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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return null;
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}
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/**
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* 将文件中一条记录解析成key-value
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* @param str
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* @return
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*/
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public Map<String, String> getMapFormText(String str) {
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str = str.trim();
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if(!str.startsWith("{") || !str.endsWith("}")){
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return null;
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}
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Map<String, String> map = new HashMap<String, String>();
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str = str.substring(1, str.length() - 1);
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String[] kvs = str.split(",");
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for(String kv : kvs){
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String[] kv_ = kv.split(":");
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if(kv_.length == 1){
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map.put(kv_[0].trim(), "");
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}else{
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map.put(kv_[0].trim(), kv_[1].trim());
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}
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}
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return map;
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}
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/**
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* 设置EnumItem存在
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* @param em
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* @param element
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*/
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public void setEnumValueFormDoc(EnumItem em, Element element){
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String value = element.elementText("type");
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em.type = (value == null ? "" : value);
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value = element.elementText("length");
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em.length = (value == null ? 0 : Integer.valueOf(value));
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List<Element> children = element.elements("child");
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List<EnumChild> ecList = new ArrayList<EnumChild>();
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for(Element child : children){
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EnumChild ec = new EnumChild();
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value = child.elementText("name");
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ec.name = (value == null ? "" : value);
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value = child.elementText("value");
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ec.value = (value == null ? "" : value);
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value = child.elementText("description");
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ec.description = (value == null ? "" : value);
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ecList.add(ec);
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}
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em.children = ecList.toArray(new EnumChild[0]);
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}
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/**
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* 导入数据
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* @param array
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* @return
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*/
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public boolean impData(EnumItem[] ems) {
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try {
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for(EnumItem em : ems){
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EnumItem em_ = getService().getEmItemByName(em.name);
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//已经存在
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if(!em_.oid.equals("")){
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//类型一致则覆盖
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if(em.type.equals(em_.type)){
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getService().deleteEmItem(em_);
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getService().addEmItem(em);
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System.out.println(em.name + "在数据库中已经存在，且类型与文件中的一致。 覆盖。");
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//类型不一致则中止导入
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}else{
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System.out.println(em.name + "在数据库中已经存在，且类型与文件中的不一致。 中止导入。");
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return false;
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}
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}else{
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getService().addEmItem(em);
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}
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}
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return true;
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} catch (VCIError e) {
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e.printStackTrace();
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}
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return false;
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}
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}
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