# HG changeset patch
# User Jaroslav Tulach <jtulach@netbeans.org>
# Date 1213430835 -7200
# Node ID 984a01bbac90394fe80af19fed3759a7d8fe2b09
# Parent  c62f8dacf5536a6452220ab4f0911a3b28e45438
Showing how such a general registry might look like

diff -r c62f8dacf553 -r 984a01bbac90 samples/componentinjection/anagram-modular/build.xml
--- a/samples/componentinjection/anagram-modular/build.xml	Sat Jun 14 10:07:11 2008 +0200
+++ b/samples/componentinjection/anagram-modular/build.xml	Sat Jun 14 10:07:15 2008 +0200
@@ -24,6 +24,10 @@
             <param name="cp" value="build/api/classes:build/word-static/classes:build/scrambler-simple/classes:build/gui/classes"/>
         </antcall>
         <antcall target="-build-one">
+            <param name="version" value="app-register-general"/>
+            <param name="cp" value="build/api/classes:build/word-static/classes:build/scrambler-simple/classes:build/gui/classes"/>
+        </antcall>
+        <antcall target="-build-one">
             <param name="version" value="app-property"/>
             <param name="cp" value="build/api/classes:build/word-static/classes:build/scrambler-simple/classes:build/gui/classes"/>
         </antcall>
@@ -53,6 +57,12 @@
             <param name="cp" value="build/api/classes:build/word-static/classes:build/scrambler-simple/classes:build/gui/classes:../../libs/dist/spring-2.5.jar:../../libs/dist/commons-logging-1.1.jar"/>
             <param name="main" value="org.apidesign.anagram.app.spring.Main"/>
         </antcall>
+        <echo level="info" message="Running registerGeneral version"/>
+        <antcall target="-run-one">
+            <param name="version" value="app-register-general"/>
+            <param name="cp" value="build/api/classes:build/word-static/classes:build/scrambler-simple/classes:build/gui/classes"/>
+            <param name="main" value="org.apidesign.anagram.app.registergeneral.Main"/>
+        </antcall>
     </target>
     
     <!-- support methods -->
diff -r c62f8dacf553 -r 984a01bbac90 samples/componentinjection/anagram-modular/nbproject/project.xml
--- a/samples/componentinjection/anagram-modular/nbproject/project.xml	Sat Jun 14 10:07:11 2008 +0200
+++ b/samples/componentinjection/anagram-modular/nbproject/project.xml	Sat Jun 14 10:07:15 2008 +0200
@@ -40,6 +40,12 @@
                     <encoding>UTF-8</encoding>
                 </source-folder>
                 <source-folder>
+                    <label>src-app-register-general</label>
+                    <type>java</type>
+                    <location>src-app-register-general</location>
+                    <encoding>UTF-8</encoding>
+                </source-folder>
+                <source-folder>
                     <label>src-app-property</label>
                     <type>java</type>
                     <location>src-app-property</location>
@@ -111,6 +117,10 @@
                         <location>src-app-register</location>
                     </source-folder>
                     <source-folder style="packages">
+                        <label>src-app-register-general</label>
+                        <location>src-app-register-general</location>
+                    </source-folder>
+                    <source-folder style="packages">
                         <label>src-app-property</label>
                         <location>src-app-property</location>
                     </source-folder>
@@ -163,6 +173,12 @@
                 <source-level>1.5</source-level>
             </compilation-unit>
             <compilation-unit>
+                <package-root>src-app-register-general</package-root>
+                <classpath mode="compile">src-api:src-scrambler-simple:src-word-static:src-gui</classpath>
+                <built-to>build/app-register/classes</built-to>
+                <source-level>1.5</source-level>
+            </compilation-unit>
+            <compilation-unit>
                 <package-root>src-app-property</package-root>
                 <classpath mode="compile">src-api:src-scrambler-simple:src-word-static:src-gui</classpath>
                 <built-to>build/app-property/classes</built-to>
diff -r c62f8dacf553 -r 984a01bbac90 samples/componentinjection/anagram-modular/src-app-register-general/org/apidesign/anagram/app/registergeneral/AnagramsWithRegistry.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/samples/componentinjection/anagram-modular/src-app-register-general/org/apidesign/anagram/app/registergeneral/AnagramsWithRegistry.java	Sat Jun 14 10:07:15 2008 +0200
@@ -0,0 +1,22 @@
+package org.apidesign.anagram.app.registergeneral;
+
+import org.apidesign.anagram.api.Scrambler;
+import org.apidesign.anagram.api.WordLibrary;
+import org.apidesign.anagram.gui.Anagrams;
+
+class AnagramsWithRegistry extends Anagrams {
+
+    public AnagramsWithRegistry() {
+    }
+
+    @Override
+    protected WordLibrary getWordLibrary() {
+        return Registry.find(WordLibrary.class);
+    }
+
+    @Override
+    protected Scrambler getScrambler() {
+        return Registry.find(Scrambler.class);
+    }
+
+}
diff -r c62f8dacf553 -r 984a01bbac90 samples/componentinjection/anagram-modular/src-app-register-general/org/apidesign/anagram/app/registergeneral/Main.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/samples/componentinjection/anagram-modular/src-app-register-general/org/apidesign/anagram/app/registergeneral/Main.java	Sat Jun 14 10:07:15 2008 +0200
@@ -0,0 +1,19 @@
+package org.apidesign.anagram.app.registergeneral;
+
+import org.apidesign.anagram.api.UI;
+import org.apidesign.anagram.scramblersimple.SimpleScrambler;
+import org.apidesign.anagram.wordstatic.StaticWordLibrary;
+
+public final class Main {
+    private Main() { }
+    
+    public static void main(String[] args) throws Exception {
+        Registry.registerClass(SimpleScrambler.class);
+        Registry.registerClass(StaticWordLibrary.class);
+        
+        UI ui = new AnagramsWithRegistry();
+        ui.display();
+    }
+    
+    
+}
diff -r c62f8dacf553 -r 984a01bbac90 samples/componentinjection/anagram-modular/src-app-register-general/org/apidesign/anagram/app/registergeneral/Registry.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/samples/componentinjection/anagram-modular/src-app-register-general/org/apidesign/anagram/app/registergeneral/Registry.java	Sat Jun 14 10:07:15 2008 +0200
@@ -0,0 +1,32 @@
+package org.apidesign.anagram.app.registergeneral;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public final class Registry {
+    private static Map<Class<?>,Object[]> instances = new LinkedHashMap<Class<?>,Object[]>();
+    
+    private Registry() {
+    }
+    
+    public static void registerClass(Class<?> impl) {
+        instances.put(impl, new Object[1]);
+    }
+    
+    public static <T> T find(Class<T> whatType) {
+        for (Map.Entry<Class<?>, Object[]> entry : instances.entrySet()) {
+            if (whatType.isAssignableFrom(entry.getKey())) {
+                if (entry.getValue()[0] == null) {
+                    try {
+                        entry.getValue()[0] = entry.getKey().newInstance();
+                    } catch (Exception ex) {
+                        throw new IllegalStateException(ex);
+                    }
+                }
+                return whatType.cast(entry.getValue()[0]);
+            }
+        }
+        return null;
+    }
+}
+