package com.supersavedriving.user.modular.system.util.bank.parmUtil;
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import org.apache.commons.lang.StringUtils;
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import org.dom4j.Element;
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import sun.misc.BASE64Decoder;
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import sun.misc.BASE64Encoder;
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import java.io.*;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Date;
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import java.util.List;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipOutputStream;
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/**
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* @author wu
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*
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* */
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public class Utils {
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/**
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* 将文件转成base64 字符串
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* @return
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* @throws Exception
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*/
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public static String encodeBase64File(String path) throws Exception {
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File file = new File(path);
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FileInputStream inputFile = new FileInputStream(file);
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byte[] buffer = new byte[(int) file.length()];
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inputFile.read(buffer);
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inputFile.close();
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return new BASE64Encoder().encode(buffer);
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}
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/**
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* 将base64字符解码保存文件
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* @param base64Code
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* @param targetPath
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* @throws Exception
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*/
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public static void decoderBase64File(String base64Code, String targetPath) {
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try {
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if (StringUtils.isNotBlank(base64Code)) {
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byte[] buffer = new BASE64Decoder().decodeBuffer(base64Code);
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FileOutputStream out = new FileOutputStream(targetPath);
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out.write(buffer);
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out.close();
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System.out.println("文件转换完成！ " + targetPath);
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return;
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}
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System.out.println("文件为空！ " + targetPath);
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} catch (Exception e) {
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System.err.println("文件转换错误！"+ e.getMessage());
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e.printStackTrace();
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}
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}
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/**
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* 压缩文件
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*
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* @param filePath
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* @param zipName
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*/
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public static boolean fileZip(String filePath, String zipName) {
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int BUFFER = 2048;
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FileOutputStream dest = null;
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ZipOutputStream out = null;
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BufferedInputStream origin = null;
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try {
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File zipFile = new File(zipName);
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if (zipFile.exists()) {
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zipFile.delete();
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}
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dest = new FileOutputStream(zipName);
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out = new ZipOutputStream(new BufferedOutputStream(dest));
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// out.setMethod(ZipOutputStream.DEFLATED);
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byte data[] = new byte[BUFFER];
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// get a list of files from current directory
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File f = new File(filePath);
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String files[] = f.list();
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for (int i = 0; i < files.length; i++) {
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FileInputStream fi = new FileInputStream(filePath + File.separator + files[i]);
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origin = new BufferedInputStream(fi, BUFFER);
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ZipEntry entry = new ZipEntry(files[i]);
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out.putNextEntry(entry);
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int count;
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while ((count = origin.read(data, 0, BUFFER)) != -1) {
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out.write(data, 0, count);
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}
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}
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return true;
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} catch (Exception e) {
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e.printStackTrace();
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System.out.println("生成压缩包失败");
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} finally {
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try {
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if (out != null) {
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out.close();
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}
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if (dest != null) {
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dest.close();
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}
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if (origin != null) {
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origin.close();
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}
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} catch (IOException e) {
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}
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}
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return false;
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}
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/**
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* 请求报文参与签名元素排序
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*
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* @param root
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*/
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public static String sortSignInfo(Element root)
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{
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List<Element> list = root.elements();
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List<String> signList = new ArrayList<String>();
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for (Element e : list)
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{
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if ("SIGN_INFO".equals(e.getName()) || "FILE_CONTENT".equals(e.getName()) || "LIST".equals(e.getName()) || "FILE_CONTENT_F".equals(e.getName()) || "FILE_CONTENT_B".equals(e.getName())) {
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continue;
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}
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if (e.getText() != null)
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{
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signList.add(e.getText());
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}
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}
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//排序
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Collections.sort(signList);
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StringBuffer signInfo = new StringBuffer();
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for (String sign : signList)
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{
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signInfo = signInfo.append(sign);
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}
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//若遇到银行返回验证签名未通过，可与银行侧对比该串内容是否一致
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System.out.println("请求字段排序串："+signInfo);
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return signInfo.toString();
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}
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public static String getNowTime26() {
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SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd-HH.mm.ss.SSSSSS");
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return sf.format(new Date());
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}
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}
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