1 files changed, 52 insertions, 0 deletions
diff --git a/libjava/gnu/java/net/protocol/jar/Connection.java b/libjava/gnu/java/net/protocol/jar/Connection.java
index 04eb3fe3715..9ba2e3fd1ff 100644
--- a/libjava/gnu/java/net/protocol/jar/Connection.java
+++ b/libjava/gnu/java/net/protocol/jar/Connection.java
@@ -49,8 +49,11 @@ import java.net.MalformedURLException;
 import java.net.ProtocolException;
 import java.net.URL;
 import java.net.URLConnection;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.Hashtable;
+import java.util.Locale;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 import java.util.jar.JarInputStream;
@@ -66,6 +69,14 @@ import java.util.zip.ZipFile;
 public final class Connection extends JarURLConnection
 {
   private static Hashtable file_cache = new Hashtable();
+
+  /**
+   * HTTP-style DateFormat, used to format the last-modified header.
+   */
+  private static SimpleDateFormat dateFormat
+    = new SimpleDateFormat("EEE, dd MMM yyyy hh:mm:ss 'GMT'",
+                           new Locale ("En", "Us", "Unix"));
+
   private JarFile jar_file;
 
   /**
@@ -219,6 +230,32 @@ public final class Connection extends JarURLConnection
     return jar_file;
   }
 
+  public String getHeaderField(String field)
+  {
+    try
+      {
+	if (!connected)
+	  connect();
+
+	if (field.equals("content-type"))
+          return guessContentTypeFromName(getJarEntry().getName());
+	else if (field.equals("content-length"))
+          return Long.toString(getJarEntry().getSize());
+	else if (field.equals("last-modified"))
+	  {
+	    synchronized (dateFormat)
+	      {
+        	return dateFormat.format(new Date(getJarEntry().getTime()));
+	      }
+	  }
+      }
+    catch (IOException e)
+      {
+        // Fall through.
+      }
+    return null;
+  }
+
   public int getContentLength()
   {
     if (!connected)
@@ -233,4 +270,19 @@ public final class Connection extends JarURLConnection
 	return -1;
       }
   }
+
+  public long getLastModified()
+  {
+    if (!connected)
+      return -1;
+
+    try
+      {
+	return getJarEntry().getTime();
+      }
+    catch (IOException e)
+      {
+	return -1;
+      }
+  }
 }