| 提交 | 用户 | 时间 | ||
| 149dd0 | 1 | package com.iailab.netsdk.lib; |
| H | 2 | |
| 3 | import org.xml.sax.Attributes; | |
| 4 | import org.xml.sax.SAXException; | |
| 5 | import org.xml.sax.helpers.DefaultHandler; | |
| 6 | ||
| 7 | import javax.xml.parsers.ParserConfigurationException; | |
| 8 | import javax.xml.parsers.SAXParser; | |
| 9 | import javax.xml.parsers.SAXParserFactory; | |
| 10 | import java.io.IOException; | |
| 11 | import java.io.InputStream; | |
| 12 | import java.util.*; | |
| 13 | ||
| 14 | /** | |
| 15 | * @author 47081 | |
| 16 | * @version 1.0 | |
| 17 | * @description | |
| 18 | * @date 2021/3/10 | |
| 19 | */ | |
| 20 | public class DynamicParseUtil { | |
| 21 | private DynamicLibParseHandler handler; | |
| 22 | private SAXParserFactory saxParserFactory; | |
| 23 | private SAXParser saxParser; | |
| 24 | ||
| 25 | /** | |
| 26 | * 适配各系统动态库名称大小写不同,以及lib前缀造成的找不到库的问题 | |
| 27 | * | |
| 28 | * @param currentSystem 当前系统:win64,win32,linux64,linux32,mac64 | |
| 29 | * @param libName 动态库名称 | |
| 30 | * @return | |
| 31 | */ | |
| 32 | public String compareLibName(String currentSystem, String libName) { | |
| 33 | String dynamicLibName = libName; | |
| 34 | List<String> libs = handler.getLibsBySystem(currentSystem); | |
| 35 | if (currentSystem.toLowerCase().contains("win")) { | |
| 36 | return findLibs(libs, libName); | |
| 37 | } | |
| 38 | if (libName.startsWith("lib")) { | |
| 39 | dynamicLibName = libName.substring(3); | |
| 40 | } | |
| 41 | return findLibs(libs, dynamicLibName); | |
| 42 | } | |
| 43 | ||
| 44 | private String findLibs(List<String> libs, String libName) { | |
| 45 | for (String lib : libs) { | |
| 46 | if (libName.equalsIgnoreCase(lib)) { | |
| 47 | return lib; | |
| 48 | } | |
| 49 | } | |
| 50 | return ""; | |
| 51 | } | |
| 52 | ||
| 53 | public List<String> getLibsSystem(String system) { | |
| 54 | return handler.getLibsBySystem(system); | |
| 55 | } | |
| 56 | ||
| 57 | private DynamicParseUtil() throws ParserConfigurationException { | |
| 58 | // 获取SAX分析器的工厂实例，专门负责创建SAXParser分析器 | |
| 59 | saxParserFactory = SAXParserFactory.newInstance(); | |
| 60 | // 获取SAXParser分析器的实例 | |
| 61 | try { | |
| 62 | saxParser = saxParserFactory.newSAXParser(); | |
| 63 | handler = new DynamicLibParseHandler(); | |
| 64 | } catch (Exception e) { | |
| 65 | e.printStackTrace(); | |
| 66 | } | |
| 67 | } | |
| 68 | ||
| 69 | public DynamicParseUtil(InputStream inputSteam) | |
| 70 | throws ParserConfigurationException, IOException, SAXException { | |
| 71 | this(); | |
| 72 | saxParser.parse(inputSteam, handler); | |
| 73 | } | |
| 74 | ||
| 75 | /** xml解析handler */ | |
| 76 | private class DynamicLibParseHandler extends DefaultHandler { | |
| 77 | private HashMap<String, List<String>> dynamics = new HashMap<String, List<String>>(); | |
| 78 | private List<String> systems = | |
| 79 | Arrays.asList("win64", "win32", "linux64", "linux32", "mac64", "linuxARM"); | |
| 80 | private String currentDynamicSystem; | |
| 81 | private List<String> libs; | |
| 82 | ||
| 83 | public List<String> getLibsBySystem(String system) { | |
| 84 | return dynamics.get(system); | |
| 85 | } | |
| 86 | ||
| 87 | @Override | |
| 88 | public void startDocument() throws SAXException { | |
| 89 | super.startDocument(); | |
| 90 | } | |
| 91 | ||
| 92 | @Override | |
| 93 | public void startElement(String uri, String localName, String qName, Attributes attributes) | |
| 94 | throws SAXException { | |
| 95 | super.startElement(uri, localName, qName, attributes); | |
| 96 | if (systems.contains(qName)) { | |
| 97 | currentDynamicSystem = qName; | |
| 98 | if (libs == null) { | |
| 99 | libs = new ArrayList<String>(); | |
| 100 | } | |
| 101 | } | |
| 102 | } | |
| 103 | ||
| 104 | @Override | |
| 105 | public void endElement(String uri, String localName, String qName) throws SAXException { | |
| 106 | super.endElement(uri, localName, qName); | |
| 107 | if (systems.contains(qName)) { | |
| 108 | // 保存到hashmap中 | |
| 109 | dynamics.put(currentDynamicSystem, libs); | |
| 110 | // 清除libs | |
| 111 | libs = null; | |
| 112 | } | |
| 113 | } | |
| 114 | ||
| 115 | @Override | |
| 116 | public void characters(char[] ch, int start, int length) throws SAXException { | |
| 117 | super.characters(ch, start, length); | |
| 118 | String lib = new String(ch, start, length); | |
| 119 | if (!lib.trim().isEmpty()) { | |
| 120 | libs.add(lib); | |
| 121 | } | |
| 122 | } | |
| 123 | } | |
| 124 | } | |
