Sky at Night 2007 June/SAN CD 6-2007 CD-ROM 25.iso/pc/Software/AstroGrav_Win/Java/jre1.6.0/lib/rt.jar/sun/misc/JarIndex.class

Java Class File | 2006-11-29 | 4.1 KB | 183 lines

package sun.misc;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Map;
import java.util.Vector;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

public class JarIndex {
   private HashMap indexMap;
   private HashMap jarMap;
   private String[] jarFiles;
   public static final String INDEX_NAME = "META-INF/INDEX.LIST";

   public JarIndex() {
      this.indexMap = new HashMap();
      this.jarMap = new HashMap();
   }

   public JarIndex(InputStream var1) throws IOException {
      this();
      this.read(var1);
   }

   public JarIndex(String[] var1) throws IOException {
      this();
      this.jarFiles = var1;
      this.parseJars(var1);
   }

   public static JarIndex getJarIndex(JarFile var0, MetaIndex var1) throws IOException {
      JarIndex var2 = null;
      if (var1 != null && !var1.mayContain("META-INF/INDEX.LIST")) {
         return null;
      } else {
         JarEntry var3 = var0.getJarEntry("META-INF/INDEX.LIST");
         if (var3 != null) {
            var2 = new JarIndex(var0.getInputStream(var3));
         }

         return var2;
      }
   }

   public String[] getJarFiles() {
      return this.jarFiles;
   }

   private void addToList(String var1, String var2, HashMap var3) {
      LinkedList var4 = (LinkedList)var3.get(var1);
      if (var4 == null) {
         var4 = new LinkedList();
         var4.add(var2);
         var3.put(var1, var4);
      } else if (!var4.contains(var2)) {
         var4.add(var2);
      }

   }

   public LinkedList get(String var1) {
      Object var2 = null;
      int var3;
      LinkedList var4;
      if ((var4 = (LinkedList)this.indexMap.get(var1)) == null && (var3 = var1.lastIndexOf("/")) != -1) {
         var4 = (LinkedList)this.indexMap.get(var1.substring(0, var3));
      }

      return var4;
   }

   public void add(String var1, String var2) {
      String var3;
      int var4;
      if ((var4 = var1.lastIndexOf("/")) != -1) {
         var3 = var1.substring(0, var4);
      } else {
         var3 = var1;
      }

      this.addToList(var3, var2, this.indexMap);
      this.addToList(var2, var3, this.jarMap);
   }

   private void parseJars(String[] var1) throws IOException {
      if (var1 != null) {
         Object var2 = null;

         for(int var3 = 0; var3 < var1.length; ++var3) {
            String var7 = var1[var3];
            ZipFile var4 = new ZipFile(var7.replace('/', File.separatorChar));
            Enumeration var5 = var4.entries();

            while(var5.hasMoreElements()) {
               String var6 = ((ZipEntry)((ZipEntry)var5.nextElement())).getName();
               if (!var6.startsWith("META-INF/") || !var6.equals("META-INF/") && !var6.equals("META-INF/INDEX.LIST") && !var6.equals("META-INF/MANIFEST.MF")) {
                  this.add(var6, var7);
               }
            }

            var4.close();
         }

      }
   }

   public void write(OutputStream var1) throws IOException {
      BufferedWriter var2 = new BufferedWriter(new OutputStreamWriter(var1, "UTF8"));
      var2.write("JarIndex-Version: 1.0\n\n");
      if (this.jarFiles != null) {
         for(int var3 = 0; var3 < this.jarFiles.length; ++var3) {
            String var4 = this.jarFiles[var3];
            var2.write(var4 + "\n");
            LinkedList var5 = (LinkedList)this.jarMap.get(var4);
            if (var5 != null) {
               Iterator var6 = var5.iterator();

               while(var6.hasNext()) {
                  var2.write((String)((String)var6.next()) + "\n");
               }
            }

            var2.write("\n");
         }

         var2.flush();
      }

   }

   public void read(InputStream var1) throws IOException {
      BufferedReader var2 = new BufferedReader(new InputStreamReader(var1, "UTF8"));
      Object var3 = null;
      String var4 = null;
      Vector var5 = new Vector();

      while((var7 = var2.readLine()) != null && !var7.endsWith(".jar")) {
      }

      for(; var7 != null; var7 = var2.readLine()) {
         if (var7.length() != 0) {
            if (var7.endsWith(".jar")) {
               var4 = var7;
               var5.add(var7);
            } else {
               this.addToList(var7, var4, this.indexMap);
               this.addToList(var4, var7, this.jarMap);
            }
         }
      }

      this.jarFiles = (String[])var5.toArray(new String[var5.size()]);
   }

   public void merge(JarIndex var1, String var2) {
      for(Map.Entry var4 : this.indexMap.entrySet()) {
         String var5 = (String)var4.getKey();

         for(String var8 : (LinkedList)var4.getValue()) {
            if (var2 != null) {
               var8 = var2.concat(var8);
            }

            var1.add(var5, var8);
         }
      }

   }
}