From 80eafbcb677fe79a952242b527492b8d9184d5e3 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= <jerome.benoit@piment-noir.org>
Date: Thu, 5 Apr 2018 16:11:44 +0200
Subject: [PATCH] exo4: fix the class annotation to be included inside the
 bytecode.
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Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>
---
 exo4/ClassPreamble.java  |  3 +++
 exo4/Main.java           |  6 +++---
 exo5/IStrComparator.java | 14 ++++++++++++++
 exo5/Main.java           |  2 ++
 exo5/Makefile            |  2 ++
 exo5/StrComparator.java  |  9 +++++++++
 6 files changed, 33 insertions(+), 3 deletions(-)
 create mode 100644 exo5/IStrComparator.java
 create mode 100644 exo5/StrComparator.java

diff --git a/exo4/ClassPreamble.java b/exo4/ClassPreamble.java
index 59c7fd9..523ea4f 100644
--- a/exo4/ClassPreamble.java
+++ b/exo4/ClassPreamble.java
@@ -1,5 +1,8 @@
 import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 
+@Retention(RetentionPolicy.RUNTIME)
 @Documented
 public @interface ClassPreamble {
    String author();
diff --git a/exo4/Main.java b/exo4/Main.java
index 040c2e2..cd7afc5 100644
--- a/exo4/Main.java
+++ b/exo4/Main.java
@@ -22,11 +22,11 @@ class Main {
 
         for (Class<?> cl : packageClasses) {
             ClassPreamble classPreamble = cl.getAnnotation(ClassPreamble.class);
-            if (classPreamble == null)
+            if (classPreamble == null) {
                 System.out.println("No annotation for " + cl.getName());
                 continue;
-
-            //System.out.println("Annotation date = " + classPreamble.date());
+            }
+            System.out.println(cl.getName() + " class annotation date = " + classPreamble.date());
         }
     }
 }
diff --git a/exo5/IStrComparator.java b/exo5/IStrComparator.java
new file mode 100644
index 0000000..080ba22
--- /dev/null
+++ b/exo5/IStrComparator.java
@@ -0,0 +1,14 @@
+import java.util.Comparator;
+
+class IStrComparator implements Comparator<String> {
+    private String wordToCompare;
+
+    IStrComparator(String w) {
+        wordToCompare = w;
+    }
+
+    public int compare(String str1, String str2) {
+        return str1.compareTo(str2);
+    }
+
+}
diff --git a/exo5/Main.java b/exo5/Main.java
index 953bdfe..6a78029 100644
--- a/exo5/Main.java
+++ b/exo5/Main.java
@@ -10,6 +10,8 @@ class Main {
      * @param String[] args main() function arguments array
      */
     public static void main(String[] args) {
+        //TreeMap<String, Integer> tm = new TreeMap<String, Integer>(new StrComparator());
+        // default TreeMap comparator keep alphabetical order
         TreeMap<String, Integer> tm = new TreeMap<String, Integer>();
         File f = new File("test_file.txt");
         try {
diff --git a/exo5/Makefile b/exo5/Makefile
index b6e4a34..d928d62 100644
--- a/exo5/Makefile
+++ b/exo5/Makefile
@@ -46,6 +46,8 @@ JVM = java
 # NAME = Camilo        Juan
 
 CLASSES = \
+		StrComparator.java \
+		IStrComparator.java \
 		Main.java
 
 #
diff --git a/exo5/StrComparator.java b/exo5/StrComparator.java
new file mode 100644
index 0000000..b797083
--- /dev/null
+++ b/exo5/StrComparator.java
@@ -0,0 +1,9 @@
+import java.util.Comparator;
+
+class StrComparator implements Comparator<String> {
+
+    public int compare(String str1, String str2) {
+        return str1.compareTo(str2);
+    }
+
+}
-- 
2.34.1