replace handwritten components.xml with annotations (#285)

* replace most handwritten components.xml with annotations

fixes #275

Author: hboutemy

modello-core/src/main/java/org/codehaus/modello/core/DefaultGeneratorPluginManager.java

@@ -22,17 +22,30 @@
  * SOFTWARE.
  */
 
+import java.util.Map;
+
 import org.codehaus.modello.ModelloRuntimeException;
 import org.codehaus.modello.plugin.AbstractPluginManager;
 import org.codehaus.modello.plugin.ModelloGenerator;
+import org.codehaus.plexus.component.annotations.Component;
+import org.codehaus.plexus.component.annotations.Requirement;
 
 /**
  * @author <a href="mailto:[email protected]">Trygve Laugst&oslash;l</a>
  */
+@Component( role = GeneratorPluginManager.class )
 public class DefaultGeneratorPluginManager
     extends AbstractPluginManager<ModelloGenerator>
     implements GeneratorPluginManager
 {
+    @Requirement
+    private Map<String, ModelloGenerator> plugins;
+
+    public Map<String, ModelloGenerator> getPlugins()
+    {
+        return plugins;
+    }
+
     public ModelloGenerator getGeneratorPlugin( String generatorId )
     {
         ModelloGenerator generator = getPlugin( generatorId );

modello-core/src/main/java/org/codehaus/modello/core/DefaultMetadataPluginManager.java

@@ -22,17 +22,30 @@
  * SOFTWARE.
  */
 
+import java.util.Map;
+
 import org.codehaus.modello.ModelloRuntimeException;
 import org.codehaus.modello.metadata.MetadataPlugin;
 import org.codehaus.modello.plugin.AbstractPluginManager;
+import org.codehaus.plexus.component.annotations.Component;
+import org.codehaus.plexus.component.annotations.Requirement;
 
 /**
  * @author <a href="mailto:[email protected]">Trygve Laugst&oslash;l</a>
  */
+@Component( role = MetadataPluginManager.class )
 public class DefaultMetadataPluginManager
     extends AbstractPluginManager<MetadataPlugin>
     implements MetadataPluginManager
 {
+    @Requirement
+    private Map<String, MetadataPlugin> plugins;
+
+    public Map<String, MetadataPlugin> getPlugins()
+    {
+        return plugins;
+    }
+
     public MetadataPlugin getMetadataPlugin( String metadataId )
     {
         MetadataPlugin metadata = getPlugin( metadataId );

modello-core/src/main/java/org/codehaus/modello/core/DefaultModelloCore.java

@@ -40,6 +40,8 @@
 import org.codehaus.modello.model.ModelInterface;
 import org.codehaus.modello.model.ModelValidationException;
 import org.codehaus.modello.plugin.ModelloGenerator;
+import org.codehaus.plexus.component.annotations.Component;
+import org.codehaus.plexus.component.annotations.Requirement;
 import org.codehaus.plexus.util.ReaderFactory;
 
 import java.io.File;
@@ -55,17 +57,14 @@
  * @author <a href="mailto:[email protected]">Trygve Laugst&oslash;l</a>
  * @author <a href="mailto:[email protected]">Emmanuel Venisse</a>
  */
+@Component( role = ModelloCore.class )
 public class DefaultModelloCore
     extends AbstractModelloCore
 {
-    /**
-     * @requirement
-     */
+    @Requirement
     private MetadataPluginManager metadataPluginManager;
 
-    /**
-     * @requirement
-     */
+    @Requirement
     private GeneratorPluginManager generatorPluginManager;
 
     public MetadataPluginManager getMetadataPluginManager()

modello-core/src/main/java/org/codehaus/modello/plugin/AbstractPluginManager.java

@@ -23,6 +23,7 @@
  */
 
 import org.codehaus.modello.ModelloRuntimeException;
+
 import org.codehaus.plexus.logging.AbstractLogEnabled;
 import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
 
@@ -37,26 +38,20 @@ public abstract class AbstractPluginManager<T>
     extends AbstractLogEnabled
     implements Initializable
 {
-    /* injected by Plexus: see META-INF/plexus/components.xml */
-    private Map<String, T> plugins = new HashMap<String, T>();
-
     public void initialize()
     {
     }
 
-    public Map<String, T> getPlugins()
-    {
-        return plugins;
-    }
+    abstract public Map<String, T> getPlugins();
 
     public Iterator<T> getPluginsIterator()
     {
-        return plugins.values().iterator();
+        return getPlugins().values().iterator();
     }
 
     public T getPlugin( String name )
     {
-        T plugin = plugins.get( name );
+        T plugin = getPlugins().get( name );
 
         if ( plugin == null )
         {
@@ -68,6 +63,6 @@ public T getPlugin( String name )
 
     public boolean hasPlugin( String name )
     {
-        return plugins.containsKey( name );
+        return getPlugins().containsKey( name );
     }
 }

modello-core/src/main/java/org/codehaus/modello/plugin/model/ModelMetadataPlugin.java

@@ -35,11 +35,14 @@
 import org.codehaus.modello.model.ModelField;
 import org.codehaus.modello.model.ModelInterface;
 
+import org.codehaus.plexus.component.annotations.Component;
+
 import java.util.Map;
 
 /**
  * @author <a href="mailto:[email protected]">Emmanuel Venisse</a>
  */
+@Component( role = MetadataPlugin.class, hint = "model" )
 public class ModelMetadataPlugin
     extends AbstractMetadataPlugin
     implements MetadataPlugin

modello-core/src/main/resources/META-INF/plexus/components.xml

@@ -32,6 +32,7 @@
 import org.codehaus.modello.model.ModelField;
 import org.codehaus.modello.model.Version;
 import org.codehaus.modello.model.VersionDefinition;
+import org.codehaus.modello.plugin.ModelloGenerator;
 import org.codehaus.modello.plugin.java.AbstractJavaModelloGenerator;
 import org.codehaus.modello.plugin.java.javasource.JClass;
 import org.codehaus.modello.plugin.java.javasource.JInterface;
@@ -43,6 +44,7 @@
 import org.codehaus.modello.plugin.java.javasource.JType;
 import org.codehaus.modello.plugin.java.metadata.JavaClassMetadata;
 import org.codehaus.modello.plugin.java.metadata.JavaFieldMetadata;
+import org.codehaus.plexus.component.annotations.Component;
 import org.codehaus.plexus.util.IOUtil;
 
 import java.io.IOException;
@@ -54,6 +56,7 @@
 /**
  * Generate a basic conversion class between two versions of a model.
  */
+@Component( role = ModelloGenerator.class, hint = "converters" )
 public class ConverterGenerator
     extends AbstractJavaModelloGenerator
 {

modello-plugins/modello-plugin-converters/src/main/java/org/codehaus/modello/plugin/converters/ConverterGenerator.java

@@ -28,6 +28,7 @@
 import org.codehaus.modello.model.ModelClass;
 import org.codehaus.modello.model.ModelDefault;
 import org.codehaus.modello.model.ModelField;
+import org.codehaus.modello.plugin.ModelloGenerator;
 import org.codehaus.modello.plugin.java.javasource.JClass;
 import org.codehaus.modello.plugin.java.javasource.JMethod;
 import org.codehaus.modello.plugin.java.javasource.JParameter;
@@ -37,6 +38,7 @@
 import org.codehaus.modello.plugins.xml.AbstractXmlJavaGenerator;
 import org.codehaus.modello.plugins.xml.metadata.XmlAssociationMetadata;
 import org.codehaus.modello.plugins.xml.metadata.XmlFieldMetadata;
+import org.codehaus.plexus.component.annotations.Component;
 import org.codehaus.plexus.util.StringUtils;
 
 import java.io.IOException;
@@ -49,6 +51,7 @@
  *
  * @author <a href="mailto:[email protected]">Brett Porter</a>
  */
+@Component( role = ModelloGenerator.class, hint = "dom4j-reader" )
 public class Dom4jReaderGenerator
     extends AbstractXmlJavaGenerator
 {

modello-plugins/modello-plugin-converters/src/main/resources/META-INF/plexus/components.xml

@@ -28,6 +28,7 @@
 import org.codehaus.modello.model.ModelClass;
 import org.codehaus.modello.model.ModelDefault;
 import org.codehaus.modello.model.ModelField;
+import org.codehaus.modello.plugin.ModelloGenerator;
 import org.codehaus.modello.plugin.java.javasource.JClass;
 import org.codehaus.modello.plugin.java.javasource.JMethod;
 import org.codehaus.modello.plugin.java.javasource.JParameter;
@@ -39,6 +40,7 @@
 import org.codehaus.modello.plugins.xml.metadata.XmlAssociationMetadata;
 import org.codehaus.modello.plugins.xml.metadata.XmlFieldMetadata;
 import org.codehaus.modello.plugins.xml.metadata.XmlModelMetadata;
+import org.codehaus.plexus.component.annotations.Component;
 
 import java.io.IOException;
 import java.util.List;
@@ -52,6 +54,7 @@
  *
  * @author <a href="mailto:[email protected]">Brett Porter</a>
  */
+@Component( role = ModelloGenerator.class, hint = "dom4j-writer" )
 public class Dom4jWriterGenerator
     extends AbstractXmlJavaGenerator
 {