From bc6ccd33161419ac05ed369d874a9d697805bcaa Mon Sep 17 00:00:00 2001
From: Warren Levy <warrenl@cygnus.com>
Date: Fri, 8 Sep 2000 19:37:09 +0000
Subject: PropertyChangeEvent.java (serialVersionUID): Added.

	* java/beans/PropertyChangeEvent.java (serialVersionUID): Added.
	* java/beans/PropertyVetoException.java (serialVersionUID): Added.
	* java/io/File.java (writeObject): Added.
	(readObject): Added.
	(serialVersionUID): Added.
	* java/io/ObjectOutputStream.java (writeObject): Initialized
	fieldsAlreadyWritten before recursion rather than after.
	* java/io/ObjectStreamClass.java (serialVersionUID): Added.
	* java/io/OptionalDataException.java (serialVersionUID): Added.
	(OptionalDataException): Made package private.
	* java/io/SyncFailedException.java (SyncFailedException): Removed
	default constructor to match spec.
	* java/lang/Boolean.java (serialVersionUID): Added.
	* java/lang/Byte.java (serialVersionUID): Added.
	* java/lang/Character.java (serialVersionUID): Added.
	* java/lang/Double.java (serialVersionUID): Added.
	* java/lang/Float.java (serialVersionUID): Added.
	* java/lang/Integer.java (serialVersionUID): Added.
	* java/lang/Long.java (serialVersionUID): Added.
	* java/lang/Number.java (serialVersionUID): Added.
	* java/lang/Short.java (serialVersionUID): Added.
	* java/lang/String.java (serialVersionUID): Added.
	* java/lang/ThreadDeath.java (ThreadDeath): Removed constructor
	to match spec.
	* java/lang/reflect/InvocationTargetException.java
	(serialVersionUID): Added.
	* java/net/URL.java (handler): Made transient.
	(hashCode): Added field for serialization, per spec. and use
	cached value if available.
	(serialVersionUID): Added.
	(URL): Initialize hashCode.
	(set): Adjust hashCode.
	(readObject): New Method to initialize the protocol handler when
	deserializing.
	(writeObject): New method.
	* java/text/BreakIterator.java: Removed 'implements Serializable'.
	* java/text/Collator.java: Removed 'implements Serializable'.
	* java/util/GregorianCalendar.java (serialVersionUID): Added.
	* java/util/Properties.java (serialVersionUID): Added.
	* java/util/Random.java (serialVersionUID): Added.
	(seed): Made private.
	(nextNextGaussian): Made private.
	(haveNextNextGaussian): Made private.
	* java/util/Stack.java (serialVersionUID): Added.
	* java/util/TimeZone.java (serialVersionUID): Added.
	* java/util/Vector.java (serialVersionUID): Added.

Serialization mods.

From-SVN: r36272
---
 libjava/java/net/URL.java | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

(limited to 'libjava/java/net/URL.java')

diff --git a/libjava/java/net/URL.java b/libjava/java/net/URL.java
index 5931eefa3fb..25837325fc0 100644
--- a/libjava/java/net/URL.java
+++ b/libjava/java/net/URL.java
@@ -1,6 +1,6 @@
 // URL.java - A Uniform Resource Locator.
 
-/* Copyright (C) 1999  Free Software Foundation
+/* Copyright (C) 1999, 2000  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -32,10 +32,13 @@ public final class URL implements Serializable
   private int port = -1;	// Initialize for constructor using context.
   private String file;
   private String ref;
-  private URLStreamHandler handler;
+  private int hashCode = 0;
+  transient private URLStreamHandler handler;
   private static Hashtable handlers = new Hashtable();
   private static URLStreamHandlerFactory factory;
 
+  private static final long serialVersionUID = -7627629688361524110L;
+
   public URL(String protocol, String host, int port, String file)
     throws MalformedURLException
   {
@@ -90,6 +93,7 @@ public final class URL implements Serializable
 	this.file = file.substring(0, hashAt);
 	this.ref = file.substring(hashAt + 1);
       }
+    hashCode = hashCode();			// Used for serialization.
   }
 
   public URL(String spec) throws MalformedURLException
@@ -181,6 +185,8 @@ public final class URL implements Serializable
 			  hashAt < 0 ? spec.length() : hashAt);
     if (hashAt >= 0)
       ref = spec.substring(hashAt + 1);
+
+    hashCode = hashCode();			// Used for serialization.
   }
 
   public boolean equals(Object obj)
@@ -249,7 +255,10 @@ public final class URL implements Serializable
     // (which was reduced to "" with a hashcode of zero).  A "" host also
     // causes the port number and the two hashcodes to be summed.
 
-    return (protocol.hashCode() + ((host == null) ? 0 : host.hashCode()) +
+    if (hashCode != 0)
+      return hashCode;		// Use cached value if available.
+    else
+      return (protocol.hashCode() + ((host == null) ? 0 : host.hashCode()) +
 	port + file.hashCode());
   }
 
@@ -290,6 +299,7 @@ public final class URL implements Serializable
     this.host = host;
     this.file = file;
     this.ref = ref;
+    hashCode = hashCode();			// Used for serialization.
   }
 
   public static synchronized void
@@ -384,4 +394,18 @@ public final class URL implements Serializable
 
     return handler;
   }
+
+  private void readObject(ObjectInputStream ois)
+    throws IOException, ClassNotFoundException
+  {
+    ois.defaultReadObject();
+    this.handler = setURLStreamHandler(protocol);
+    if (this.handler == null)
+      throw new IOException("Handler for protocol " + protocol + " not found");
+  }
+
+  private void writeObject(ObjectOutputStream oos) throws IOException
+  {
+    oos.defaultWriteObject();
+  }
 }
-- 
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