# HG changeset patch
# User Jaroslav Tulach <jtulach@netbeans.org>
# Date 1213429985 -7200
# Node ID 7b26c64804c2a7376a26fa324cd4ff2b782c9146
# Parent  cbba5b31d11c0a92418fd5921ab7f6e60d14fa2d
Reflection will save to world!

diff -r cbba5b31d11c -r 7b26c64804c2 samples/delegatingwriter/src/org/apidesign/delegatingwriter/AltBufferedWriter.java
--- a/samples/delegatingwriter/src/org/apidesign/delegatingwriter/AltBufferedWriter.java	Sat Jun 14 09:53:04 2008 +0200
+++ b/samples/delegatingwriter/src/org/apidesign/delegatingwriter/AltBufferedWriter.java	Sat Jun 14 09:53:05 2008 +0200
@@ -71,8 +71,29 @@
         // END: writer.delegateout
     }
 
-    private Writer appendDelegateConditionally(CharSequence csq) {
-        throw new UnsupportedOperationException("Not yet implemented");
+    private Writer appendDelegateConditionally(CharSequence csq) throws IOException {
+        // BEGIN: writer.conditionally
+        boolean isOverriden = false;
+        try {
+            isOverriden = 
+                (getClass().getMethod("write", String.class).getDeclaringClass() != Writer.class) ||
+                (getClass().getMethod("write", Integer.TYPE).getDeclaringClass() != BufferedWriter.class) ||
+                (getClass().getMethod("write", String.class, Integer.TYPE, Integer.TYPE).getDeclaringClass() != BufferedWriter.class);
+        } catch (Exception ex) {
+            throw new IOException(ex);
+        }
+        
+        if (isOverriden) {
+            if (csq == null) {
+                write("null");
+            } else {
+                write(csq.toString());
+            }
+        } else {
+            out.append(csq);
+        }
+        return this;
+        // END: writer.conditionally
     }
     
     public enum Behaviour {
diff -r cbba5b31d11c -r 7b26c64804c2 samples/delegatingwriter/test/org/apidesign/delegatingwriter/BufferedWriterCryptoTest.java
--- a/samples/delegatingwriter/test/org/apidesign/delegatingwriter/BufferedWriterCryptoTest.java	Sat Jun 14 09:53:04 2008 +0200
+++ b/samples/delegatingwriter/test/org/apidesign/delegatingwriter/BufferedWriterCryptoTest.java	Sat Jun 14 09:53:05 2008 +0200
@@ -45,4 +45,12 @@
         );
     }
 
+    @Test
+    public void testBehaviourWhenDelegatingConditionallyIsOK() throws IOException {
+        CryptoWriter bufferedWriter = new CryptoWriter(writer, AltBufferedWriter.Behaviour.DELEGATE_CONDITIONALLY);
+        bufferedWriter.append("VMS");
+        bufferedWriter.flush();
+        assertEquals("Converted", "WNT", writer.toString());
+    }
+    
 }
\ No newline at end of file
diff -r cbba5b31d11c -r 7b26c64804c2 samples/delegatingwriter/test/org/apidesign/delegatingwriter/BufferedWriterOnCDImageTest.java
--- a/samples/delegatingwriter/test/org/apidesign/delegatingwriter/BufferedWriterOnCDImageTest.java	Sat Jun 14 09:53:04 2008 +0200
+++ b/samples/delegatingwriter/test/org/apidesign/delegatingwriter/BufferedWriterOnCDImageTest.java	Sat Jun 14 09:53:05 2008 +0200
@@ -35,6 +35,16 @@
         bufferedWriter.append(cdImage);
         assertEquals("Correct number of writes delegated", cdImage.length(), writer.getCharacterCount());
     }
+    
+    @Test
+    public void testBehaviourWhenDelegatingConditionallyIsOK() throws IOException {
+        CountingWriter writer = new CountingWriter();
+        CDSequence cdImage = new CDSequence();
+        BufferedWriter bufferedWriter = new AltBufferedWriter(writer, AltBufferedWriter.Behaviour.DELEGATE_CONDITIONALLY);
+        bufferedWriter.append(cdImage);
+        assertEquals("Correct number of writes delegated", cdImage.length(), writer.getCharacterCount());
+    }
+    
 
 // BEGIN: writer.bigseq
     /** A "lazy" sequence of characters, for example one that can represent
diff -r cbba5b31d11c -r 7b26c64804c2 samples/delegatingwriter/test/org/apidesign/delegatingwriter/BufferedWriterThrowingExceptionTest.java
--- a/samples/delegatingwriter/test/org/apidesign/delegatingwriter/BufferedWriterThrowingExceptionTest.java	Sat Jun 14 09:53:04 2008 +0200
+++ b/samples/delegatingwriter/test/org/apidesign/delegatingwriter/BufferedWriterThrowingExceptionTest.java	Sat Jun 14 09:53:05 2008 +0200
@@ -43,6 +43,14 @@
         assertEquals("Hello!", writer.toString());
     }
 
+    @Test
+    public void testBehaviourWhenDelegatingConditionallyIsOK() throws IOException {
+        BufferedWriter bufferedWriter = new AltBufferedWriter(writer, AltBufferedWriter.Behaviour.DELEGATE_CONDITIONALLY);
+        doAppendHello(bufferedWriter, "Hello!");
+        bufferedWriter.flush();
+        
+        assertEquals("Hello!", writer.toString());
+    }
 
     private void doAppendHello(BufferedWriter bufferedWriter, CharSequence what) throws IOException {
         // BEGIN: writer.throw.client