实例介绍
【实例简介】
1、首先保证机器上已经安装过java jdk 2、直接运行run.bat 3、px.json xml集合节点排序字段配置 【实例截图】SHA256工具
【核心代码】
public class SHA256Util { public static void main(String[] args) { test(args[0]); } public static void test(String fileName) { try { File srcFile = new File(fileName); String str = FileUtils.readFileToString(srcFile, "UTF-8"); String outFileName = srcFile.getParent() "/out/" srcFile.getName(); Map map = xml2map(str, false); Document document = map2xml(map, "Message"); String abc = getSHA256StrJava(document.asXML()); File file = new File(outFileName); FileUtils.writeStringToFile(file, abc, "UTF-8"); file.createNewFile(); file.exists(); } catch (IOException e) { e.printStackTrace(); } catch (DocumentException e) { e.printStackTrace(); } } public static String getSHA256StrJava(String str) { str = chomp(str); MessageDigest messageDigest; String encodeStr = ""; try { messageDigest = MessageDigest.getInstance("SHA-256"); messageDigest.update(str.getBytes("UTF-8")); encodeStr = byte2Hex(messageDigest.digest()); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } return encodeStr; } public static String chomp(String str) { String dest = ""; if (str!=null) { Pattern p = Pattern.compile("\\s*|\t|\r|\n"); Matcher m = p.matcher(str); dest = m.replaceAll(""); } return dest; } private static String byte2Hex(byte[] bytes) { StringBuffer stringBuffer = new StringBuffer(); String temp = null; for (int i = 0; i < bytes.length; i ) { temp = Integer.toHexString(bytes[i] & 0xFF); if (temp.length() == 1) { stringBuffer.append("0"); } stringBuffer.append(temp); } return stringBuffer.toString(); } public static Map xml2map(String xmlStr, boolean needRootKey) throws DocumentException { Document doc = DocumentHelper.parseText(xmlStr); Element root = doc.getRootElement(); Map<String, Object> map = (Map<String, Object>) xml2map(root); if (root.elements().size() == 0 && root.attributes().size() == 0) { return map; } if (needRootKey) { Map<String, Object> rootMap = new TreeMap<>(new Comparator<String>() { @Override public int compare(String o1, String o2) { return o1.compareTo(o2); } }); rootMap.put(root.getName(), map); return rootMap; } return map; } private static Map xml2map(Element e) { Map<String, String> pxMap = getPxZd(); Map map = new TreeMap<>(new Comparator<String>() { @Override public int compare(String o1, String o2) { return o1.compareTo(o2); } }); List list = e.elements(); if (list.size() > 0) { for (int i = 0; i < list.size(); i ) { Element iter = (Element) list.get(i); List mapList = new ArrayList(); if (iter.elements().size() > 0) { Map m = xml2map(iter); if (map.get(iter.getName()) != null) { Object obj = map.get(iter.getName()); if (!(obj instanceof List)) { mapList = new ArrayList(); mapList.add(obj); mapList.add(m); } if (obj instanceof List) { mapList = (List) obj; mapList.add(m); } map.put(iter.getName(), mapList); } else { map.put(iter.getName(), m); } } else { if (map.get(iter.getName()) != null) { Object obj = map.get(iter.getName()); if (!(obj instanceof List)) { mapList = new ArrayList(); mapList.add(obj); if (iter.attributes() != null && iter.attributes().size() > 0) { TreeMap elementmap = elementmap(iter); mapList.add(elementmap); } else { mapList.add(iter.getText()); } } if (obj instanceof List) { mapList = (List) obj; if (iter.attributes() != null && iter.attributes().size() > 0) { TreeMap elementmap = elementmap(iter); mapList.add(elementmap); } else { mapList.add(iter.getText()); } } String zd = ""; if (pxMap.containsKey(iter.getName())) { zd = pxMap.get(iter.getName()); } sortListTreeMap(mapList, zd); map.put(iter.getName(), mapList); } else { map.put(iter.getName(), iter.getText()); if (iter.attributes() != null && iter.attributes().size() > 0) { TreeMap elementmap = elementmap(iter); map.put(iter.getName(), elementmap); } } } } } else { map.put(e.getName(), e.getText()); } return map; } private static List sortListTreeMap(List list, final String zd) { Collections.sort(list, new Comparator<TreeMap>() { @Override public int compare(TreeMap o1, TreeMap o2) { String str1 = o1.get(zd).toString(); String str2 = o2.get(zd).toString(); return str1.compareTo(str2); } }); return list; } private static TreeMap elementmap(Element element) { TreeMap map = new TreeMap<>(new Comparator<String>() { @Override public int compare(String o1, String o2) { return o1.compareTo(o2); } }); if (element.attributes() != null && element.attributes().size() > 0) { List<Attribute> attributeList = element.attributes(); for (Attribute attribute : attributeList) { map.put(attribute.getName(), attribute.getValue()); } } return map; } public static Document map2xml(Map<String, Object> map, String rootName) { Document doc = DocumentHelper.createDocument(); Element root = DocumentHelper.createElement(rootName); doc.add(root); map2xml(map, root); return doc; } private static Element map2xml(Map<String, Object> map, Element body) { Iterator<Map.Entry<String, Object>> entries = map.entrySet().iterator(); while (entries.hasNext()) { Map.Entry<String, Object> entry = entries.next(); String key = entry.getKey(); Object value = entry.getValue(); if (key.startsWith("@")) { body.addAttribute(key.substring(1, key.length()), value.toString()); } else if (key.equals("#text")) { body.setText(value.toString()); } else { if (value instanceof java.util.List) { List list = (List) value; Object obj; for (int i = 0; i < list.size(); i ) { obj = list.get(i); if (obj instanceof java.util.Map) { Element subElement = body.addElement(key); setAttributes((Map) list.get(i), subElement); } else { body.addElement(key).setText((String) list.get(i)); } } } else if (value instanceof java.util.Map) { Element subElement = body.addElement(key); setAttributes((Map) value, subElement); } else { body.addElement(key).setText(value.toString()); } } } return body; } public static Element setAttributes(Map map, Element subElement) { Iterator iter = map.entrySet().iterator(); while (iter.hasNext()) { Map.Entry entry = (Map.Entry) iter.next(); String key = (String) entry.getKey(); if (subElement.getName().equals("Head") || entry.getValue() instanceof java.util.Map) { map2xml(map, subElement); break; } else if (entry.getValue() instanceof String) { String integ = (String) entry.getValue(); subElement.setAttributeValue(key, integ); } } return subElement; } public static Map<String, String> getPxZd() { Map<String, String> pxMap = new HashMap<>(); try { File directory = new File(""); System.out.println(directory.getCanonicalPath()); System.out.println(directory.getAbsolutePath()); FileInputStream fileInputStream = new FileInputStream(directory.getCanonicalPath() "/px.json"); InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8"); BufferedReader reader = new BufferedReader(inputStreamReader); String sTemp = ""; String s; while ((s = reader.readLine()) != null) { sTemp = s; } if (sTemp != null && sTemp != "") { sTemp = sTemp.substring(sTemp.lastIndexOf("*/") 2); } List<JSONObject> jsonObjectList = (List<JSONObject>) JSON.parse(sTemp); if (jsonObjectList != null && jsonObjectList.size() > 0) { for (int i = 0; i < jsonObjectList.size(); i ) { JSONObject jsonObject = jsonObjectList.get(i); pxMap.put(jsonObject.getString("jdmc"), jsonObject.getString("pxzd")); } } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return pxMap; } }
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