corejava第8版

corejava第8版/v2ch11/CompilerTest/ByteArrayJavaClass.java

@@ -0,0 +1,33 @@
+import java.io.*;
+import java.net.*;
+import javax.tools.*;
+
+/**
+ * A Java class that holds the bytecodes in a byte array.
+ * @version 1.00 2007-11-02
+ * @author Cay Horstmann
+ */
+public class ByteArrayJavaClass extends SimpleJavaFileObject
+{
+   /**
+    * Constructs a new ByteArrayJavaClass
+    * @param name the name of the class file represented by this file object
+    */
+   public ByteArrayJavaClass(String name)
+   {
+      super(URI.create("bytes:///" + name), Kind.CLASS);
+      stream = new ByteArrayOutputStream();
+   }
+
+   public OutputStream openOutputStream() throws IOException
+   {
+      return stream;
+   }
+   
+   public byte[] getBytes()
+   {
+      return stream.toByteArray();
+   }
+
+   private ByteArrayOutputStream stream;
+}