WIP
[hibernate4-maven-plugin] / src / main / java / de / juplo / plugins / hibernate / DropMojo.java
index dd40387..88f6698 100644 (file)
@@ -16,22 +16,29 @@ package de.juplo.plugins.hibernate;
  * limitations under the License.
  */
 
+import java.io.File;
+import java.security.NoSuchAlgorithmException;
+import java.util.EnumSet;
 import java.util.Map;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
 import org.hibernate.boot.spi.MetadataImplementor;
+import org.hibernate.cfg.AvailableSettings;
+import org.hibernate.engine.config.spi.ConfigurationService;
 import org.hibernate.service.ServiceRegistry;
-import org.hibernate.tool.schema.SourceType;
+import org.hibernate.tool.schema.TargetType;
+import org.hibernate.tool.schema.internal.ExceptionHandlerCollectingImpl;
+import org.hibernate.tool.schema.internal.exec.ScriptTargetOutputToFile;
 import org.hibernate.tool.schema.spi.ExecutionOptions;
 import org.hibernate.tool.schema.spi.SchemaManagementTool;
-import org.hibernate.tool.schema.spi.ScriptSourceInput;
-import org.hibernate.tool.schema.spi.SourceDescriptor;
+import org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator;
+import org.hibernate.tool.schema.spi.ScriptTargetOutput;
 import org.hibernate.tool.schema.spi.TargetDescriptor;
 
 
 /**
- * Goal which extracts the hibernate-mapping-configuration and
- * exports an according SQL-database-schema.
+ * Generate/Execute SQL to drop all tables of a database-schema that represents
+ * the configured mappings.
  *
  * @goal drop
  * @phase process-classes
@@ -59,40 +66,65 @@ public class DropMojo extends AbstractSchemaMojo
       MojoFailureException,
       MojoExecutionException
   {
-    super.execute(outputFile);
+    try
+    {
+      super.execute(new MD5ModificationTracker(buildDirectory, outputFile, getLog()));
+    }
+    catch (NoSuchAlgorithmException e)
+    {
+      throw new MojoFailureException("Digest-Algorithm MD5 is missing!", e);
+    }
   }
 
 
   @Override
-  void build(
-      MetadataImplementor metadata,
-      ExecutionOptions options,
-      TargetDescriptor target
-      )
+  ExceptionHandlerCollectingImpl build(final MetadataImplementor metadata)
       throws
         MojoExecutionException,
         MojoFailureException
   {
-    ServiceRegistry service =
+    final ServiceRegistry registry =
         metadata.getMetadataBuildingOptions().getServiceRegistry();
-    SchemaManagementTool tool = service.getService(SchemaManagementTool.class);
+    final Map settings = 
+        registry.getService(ConfigurationService.class).getSettings();
+    SchemaManagementTool tool = registry.getService(SchemaManagementTool.class);
 
-    Map config = options.getConfigurationValues();
-    SourceDescriptor source = new SourceDescriptor()
+    final EnumSet<TargetType> targetTypes = EnumSet.of(TargetType.SCRIPT);
+    if ((Boolean)settings.get(EXECUTE))
+      targetTypes.add(TargetType.DATABASE);
+
+    TargetDescriptor target = new TargetDescriptor()
     {
-         @Override
-      public SourceType getSourceType()
+      @Override
+      public EnumSet<TargetType> getTargetTypes()
       {
-        return SourceType.METADATA;
+        return targetTypes;
       }
 
       @Override
-      public ScriptSourceInput getScriptSourceInput()
+      public ScriptTargetOutput getScriptTargetOutput()
       {
-        return null;
+        String charset =
+            (String)settings.get(AvailableSettings.HBM2DDL_CHARSET_NAME);
+        return new ScriptTargetOutputToFile(new File(outputFile), charset);
       }
     };
 
-    tool.getSchemaDropper(config).doDrop(metadata, options, source, target);
+    ExceptionHandlerCollectingImpl handler =
+        new ExceptionHandlerCollectingImpl();
+
+    ExecutionOptions options =
+        SchemaManagementToolCoordinator.buildExecutionOptions(
+            registry
+                .getService(ConfigurationService.class)
+                .getSettings(),
+            handler
+            );
+
+    Map config = options.getConfigurationValues();
+
+    tool.getSchemaMigrator(config).doMigration(metadata, options, target);
+
+    return handler;
   }
 }