IOS 文件解析

 import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.StringReader;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 import java.util.zip.ZipInputStream;

 import org.apache.commons.lang.StringUtils;
 import org.apache.poi.util.IOUtils;
 import org.dom4j.Document;
 import org.dom4j.DocumentException;
 import org.dom4j.Element;
 import org.dom4j.io.SAXReader;
 import org.w3c.dom.Node;
 import org.xml.sax.InputSource;

 /**
  * IOS文件解析
  *
  * @author     dKF63325
  * @version    ONIP BME V300R001 2014-6-9
  * @since      ONIP BME V300R001C00
  */
 public class IosInfoUtils
 {

     public static HashMap<String, Object> getIosInfo(String filePath, String fileName) throws Exception
     {
         // 获得二级目录名称
         String appName = getAppName(filePath);

         // 解析文件
         HashMap<String, Object> infoMap = parseXml(filePath, appName);

         File file = new File(filePath);
         // 文件名称
         infoMap.put("fileName", file.getName());
         // 文件大小
         infoMap.put("fileSize", convertFileSize(file.length()));
         // 文件大小(单位：字节)
         infoMap.put("fileByteSize", file.length());
         // 是否存在SDK
         infoMap.put("isSDK", AXMLPrinter2.isExistsSdkFromIOS(filePath, appName));
         // SDK版本号
         infoMap.put("sdkVersion", AXMLPrinter2.getSdkVersionFromIOS(filePath, appName));

         return infoMap;
     }

     private static String getAppName(String filePath)
     {
         ZipFile file = null;
         InputStream in = null;
         String name = StringUtils.EMPTY;
         try
         {
             in = new BufferedInputStream(new FileInputStream(filePath));
             ZipInputStream zip = new ZipInputStream(in);
             ZipEntry zp = null;
             while ((zp = zip.getNextEntry()) != null)
             {
                 name = zp.getName();
                 if (name.indexOf(".app") != -1)
                 {
                     name = name.substring(name.indexOf("Payload/")+"Payload/".length(), name.indexOf(".app") + ".app".length());
                     break;
                 }
             }
         }
         catch (IOException e)
         {
             DEBUGGER.error("Failed to getAppName", e);
         }
         finally
         {
             IOUtils.closeQuietly(in);
             AXMLPrinter2.closeZipFile(file);
         }
         return name;
     }

     private static HashMap<String, Object> parseXml(String filePath, String projectName) throws IOException, Exception, DocumentException
     {
         String xml = AXMLPrinter2.getXmlFromIOS(filePath, projectName);
         StringReader read = new StringReader(xml);
         InputSource scource = new InputSource(read);
         SAXReader sax = new SAXReader();
         sax.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
         Document root = sax.read(scource);
         Element dictElement = (Element) root.selectSingleNode("//dict");
         List<Element> children = filterElement(dictElement.elements());
         HashMap<String, Object> infoMap = new HashMap<String, Object>();
         for (int i = 0; i < children.size(); i+=2)
         {
             Element key = children.get(i);
             Element val = children.get(i+1);
             if ("array".equals(val.getName()))
             {
                 List<Element> arrayList = filterElement(val.elements());
                 String values = StringUtils.EMPTY;
                 for (Element element : arrayList)
                 {
                     values += element.getStringValue() + ",";
                 }
                 infoMap.put(key.getStringValue(), StringUtils.removeEnd(values, ","));
             } else if ("true".equals(val.getName())) {
                 infoMap.put(key.getStringValue(), true);
             } else if ("false".equals(val.getName())) {
                 infoMap.put(key.getStringValue(), false);
             } else {
                 infoMap.put(key.getStringValue(), val.getStringValue());
             }
         }
         return infoMap;
     }

     private static List<Element> filterElement(List<?> elements) {
         List<Element> result = new ArrayList<Element>(elements.size());
         for (Object object : elements)
         {
             Element element = (Element)object;
             if (element.getNodeType() == Node.ELEMENT_NODE)
             {
                 result.add(element);
             }
         }
         return result;
     }

     public static String convertFileSize(long filesize)
     {
         String strUnit = "Bytes";
         String strAfterComma = "";
         int intDivisor = 1;
         if (filesize >= 1024 * 1024)
         {
             strUnit = "MB";
             intDivisor = 1024 * 1024;
         } else if (filesize >= 1024)
         {
             strUnit = "KB";
             intDivisor = 1024;
         }
         if (intDivisor == 1){
             return filesize + " " + strUnit;
         }

         strAfterComma = "" + 100 * (filesize % intDivisor) / intDivisor;
         if (strAfterComma.equals(""))
             strAfterComma = ".0";

         return filesize / intDivisor + "." + strAfterComma + " " + strUnit;
     }
 }