HotSwap support

git-svn-id: http://anonsvn.jboss.org/repos/javassist/trunk@184 30ef5769-5b8d-40dd-aea6-55b5d6557bb3

3 files changed, 36 insertions, 0 deletions

diff --git a/sample/hotswap/HelloWorld.java b/sample/hotswap/HelloWorld.java
new file mode 100644
index 00000000..51d8fcd9
--- /dev/null
+++ b/sample/hotswap/HelloWorld.java
@@ -0,0 +1,5 @@
+public class HelloWorld {
+    public void print() {
+        System.out.println("hello world");
+    }
+}
diff --git a/sample/hotswap/Test.java b/sample/hotswap/Test.java
new file mode 100644
index 00000000..c0ae1771
--- /dev/null
+++ b/sample/hotswap/Test.java
@@ -0,0 +1,25 @@
+import java.io.*;
+import javassist.tool.HotSwapper;
+
+public class Test {
+    public static void main(String[] args) throws Exception {
+        HotSwapper hs = new HotSwapper(8000);
+        new HelloWorld().print();
+
+        File newfile = new File("logging/HelloWorld.class");
+        byte[] bytes = new byte[(int)newfile.length()];
+        new FileInputStream(newfile).read(bytes);
+        System.out.println("** reload a logging version");
+
+        hs.reload("HelloWorld", bytes);
+        new HelloWorld().print();
+
+        newfile = new File("HelloWorld.class");
+        bytes = new byte[(int)newfile.length()];
+        new FileInputStream(newfile).read(bytes);
+        System.out.println("** reload the original version");
+
+        hs.reload("HelloWorld", bytes);
+        new HelloWorld().print();
+    }
+}
diff --git a/sample/hotswap/logging/HelloWorld.java b/sample/hotswap/logging/HelloWorld.java
new file mode 100644
index 00000000..88f08664
--- /dev/null
+++ b/sample/hotswap/logging/HelloWorld.java
@@ -0,0 +1,6 @@
+public class HelloWorld {
+    public void print() {
+        System.out.println("** HelloWorld.print()");
+        System.out.println("hello world");
+    }
+}