X-Git-Url: https://juplo.de/gitweb/?p=hibernate4-maven-plugin;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fplugins%2Fhibernate%2FAbstractSchemaMojo.java;h=06024c212756577ca84a6876da7d8e5428702076;hp=9006f352d08ed9bb5384eb651a5b1d3968f32ddd;hb=a20fb5535864f495b8117891e155f636a83f73bc;hpb=f92a01a5043d0ac2f6a8eaf5aeed6f724b102f34

diff --git a/src/main/java/de/juplo/plugins/hibernate/AbstractSchemaMojo.java b/src/main/java/de/juplo/plugins/hibernate/AbstractSchemaMojo.java
index 9006f352..06024c21 100644
--- a/src/main/java/de/juplo/plugins/hibernate/AbstractSchemaMojo.java
+++ b/src/main/java/de/juplo/plugins/hibernate/AbstractSchemaMojo.java
@@ -4,11 +4,13 @@ package de.juplo.plugins.hibernate;
 import com.pyx4j.log4j.MavenLogAppender;
 import java.io.File;
 import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.security.NoSuchAlgorithmException;
+import java.time.ZonedDateTime;
 import java.util.Collections;
 import java.util.EnumSet;
 import java.util.HashMap;
@@ -87,13 +89,14 @@ import org.scannotation.AnnotationDB;
  */
 public abstract class AbstractSchemaMojo extends AbstractMojo
 {
-  public final static String EXPORT = "hibernate.schema.export";
+  public final static String EXECUTE = "hibernate.schema.execute";
   public final static String OUTPUTDIRECTORY = "project.build.outputDirectory";
   public final static String SCAN_CLASSES = "hibernate.schema.scan.classes";
   public final static String SCAN_DEPENDENCIES = "hibernate.schema.scan.dependencies";
   public final static String SCAN_TESTCLASSES = "hibernate.schema.scan.test_classes";
   public final static String TEST_OUTPUTDIRECTORY = "project.build.testOutputDirectory";
   public final static String SKIPPED = "hibernate.schema.skipped";
+  public final static String SCRIPT = "hibernate.schema.script";
 
   private final static Pattern SPLIT = Pattern.compile("[^,\\s]+");
 
@@ -126,7 +129,7 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
   /** Parameters to configure the genaration of the SQL *********************/
 
   /**
-   * Export the database-schma to the database.
+   * Excecute the generated SQL.
    * If set to <code>false</code>, only the SQL-script is created and the
    * database is not touched.
    * <p>
@@ -136,10 +139,10 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
    * it is not known by Hibernate nor JPA and, hence, not picked up from
    * their configuration!
    *
-   * @parameter property="hibernate.schema.export" default-value="true"
+   * @parameter property="hibernate.schema.execute" default-value="true"
    * @since 2.0
    */
-  private Boolean export;
+  private Boolean execute;
 
   /**
    * Skip execution
@@ -164,10 +167,11 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
   private boolean skip;
 
   /**
-   * Force execution
+   * Force generation/execution
    * <p>
-   * Force execution, even if no modified or newly added annotated classes
-   * where found and the dialect was not changed.
+   * Force the generation and (if configured) the execution of the SQL, even if
+   * no modified or newly added annotated classes where found and the
+   * configuration was not changed.
    * <p>
    * <code>skip</code> takes precedence over <code>force</code>.
    * <p>
@@ -502,6 +506,8 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
 
       /** Check, that the outputfile is writable */
       final File output = getOutputFile(filename);
+      /** Check, if the outputfile is missing or was changed */
+      checkOutputFile(output, tracker);
 
       /** Configure Hibernate */
       final StandardServiceRegistry serviceRegistry =
@@ -626,11 +632,9 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
       /** Skip execution, if mapping and configuration is unchanged */
       if (!tracker.modified())
       {
-        getLog().info(
-            "Mapping and configuration unchanged."
-            );
+        getLog().info("Mapping and configuration unchanged.");
         if (force)
-          getLog().info("Schema generation is forced!");
+          getLog().info("Generation/execution is forced!");
         else
         {
           getLog().info("Skipping schema generation!");
@@ -640,6 +644,20 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
       }
 
 
+      /** Truncate output file */
+      try
+      {
+        new FileOutputStream(output).getChannel().truncate(0).close();
+      }
+      catch (IOException e)
+      {
+        String error =
+            "Error while truncating " + output.getAbsolutePath() + ": "
+            + e.getMessage();
+        getLog().warn(error);
+        throw new MojoExecutionException(error);
+      }
+
       /** Create a connection, if sufficient configuration infromation is available */
       connectionProvider.open(classLoaderService, properties);
 
@@ -681,7 +699,7 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
           SchemaManagementToolCoordinator
               .buildExecutionOptions(settings, handler);
       final EnumSet<TargetType> targetTypes = EnumSet.of(TargetType.SCRIPT);
-      if (export)
+      if (execute)
         targetTypes.add(TargetType.DATABASE);
       TargetDescriptor target = new TargetDescriptor()
       {
@@ -721,6 +739,8 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
         thread.setContextClassLoader(contextClassLoader);
         for (Exception e : handler.getExceptions())
           getLog().error(e.getMessage());
+        /** Track, the content of the generated script */
+        checkOutputFile(output, tracker);
       }
     }
     catch (MojoExecutionException e)
@@ -901,10 +921,10 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
       throws MojoFailureException
   {
     /**
-     * Special treatment for the configuration-value "export": if it is
+     * Special treatment for the configuration-value "execute": if it is
      * switched to "true", the genearation fo the schema should be forced!
      */
-    if (tracker.check(EXPORT, export.toString()) && export)
+    if (tracker.check(EXECUTE, execute.toString()) && execute)
       tracker.touch();
 
     /**
@@ -992,14 +1012,22 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
     if (value != null)
     {
       if (properties.containsKey(key))
-        getLog().info(
-            "Overwriting property " + key + "=\"" +
-            properties.getProperty(key) +
-            "\" with value \"" + value + "\""
-            );
+      {
+        if (!properties.getProperty(key).equals(value))
+        {
+          getLog().info(
+              "Overwriting property " + key + "=\"" +
+              properties.getProperty(key) +
+              "\" with value \"" + value + "\""
+              );
+          properties.setProperty(key, value);
+        }
+      }
       else
+      {
         getLog().debug("Using value \"" + value + "\" for property " + key);
-      properties.setProperty(key, value);
+        properties.setProperty(key, value);
+      }
     }
   }
 
@@ -1064,6 +1092,26 @@ public abstract class AbstractSchemaMojo extends AbstractMojo
     return output;
   }
 
+  private void checkOutputFile(File output, ModificationTracker tracker)
+      throws
+        MojoExecutionException
+  {
+    try
+    {
+      if (output.exists())
+        tracker.track(SCRIPT, new FileInputStream(output));
+      else
+        tracker.track(SCRIPT, ZonedDateTime.now().toString());
+    }
+    catch (IOException e)
+    {
+      String error =
+          "Error while checking the generated script: " + e.getMessage();
+      getLog().error(error);
+      throw new MojoExecutionException(error);
+    }
+  }
+
   private void addMappings(MetadataSources sources, ModificationTracker tracker)
       throws MojoFailureException
   {