Introduced the goal "drop"

[hibernate4-maven-plugin] / src / main / java / de / juplo / plugins / hibernate / DropMojo.java

diff --git a/src/main/java/de/juplo/plugins/hibernate/DropMojo.java b/src/main/java/de/juplo/plugins/hibernate/DropMojo.java
new file mode 100644 (file)
index 0000000..969a219
--- /dev/null
+++ b/src/main/java/de/juplo/plugins/hibernate/DropMojo.java
@@ -0,0 +1,100 @@
+package de.juplo.plugins.hibernate;
+
+/*
+ * Copyright 2001-2005 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.io.File;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.hibernate.boot.spi.MetadataImplementor;
+import org.hibernate.tool.hbm2ddl.SchemaExport;
+
+
+/**
+ * Goal which extracts the hibernate-mapping-configuration and
+ * exports an according SQL-database-schema.
+ *
+ * @goal drop
+ * @phase process-classes
+ * @threadSafe
+ * @requiresDependencyResolution runtime
+ */
+public class DropMojo extends AbstractSchemaMojo
+{
+  /**
+   * Output file.
+   * <p>
+   * If the specified filename is not absolut, the file will be created
+   * relative to the project build directory
+   * (<code>project.build.directory</code>).
+   *
+   * @parameter property="hibernate.schema.export.drop" default-value="drop.sql"
+   * @since 1.0
+   */
+  private String outputFile;
+
+
+  @Override
+  public final void execute()
+    throws
+      MojoFailureException,
+      MojoExecutionException
+  {
+    super.execute(outputFile);
+  }
+
+
+  @Override
+  void build(MetadataImplementor metadata)
+      throws
+        MojoExecutionException,
+        MojoFailureException
+  {
+    SchemaExport schemaExport = new SchemaExport(metadata, createNamespaces);
+    schemaExport.setDelimiter(delimiter);
+    schemaExport.setFormat(format);
+
+    File output = new File(outputFile);
+
+    if (!output.isAbsolute())
+    {
+      // Interpret relative file path relative to build directory
+      output = new File(buildDirectory, outputFile);
+      getLog().debug("Adjusted relative path, resulting path is " + output.getPath());
+    }
+
+    // Ensure that directory path for specified file exists
+    File outFileParentDir = output.getParentFile();
+    if (null != outFileParentDir && !outFileParentDir.exists())
+    {
+      try
+      {
+        getLog().info("Creating directory path for output file:" + outFileParentDir.getPath());
+        outFileParentDir.mkdirs();
+      }
+      catch (Exception e)
+      {
+        getLog().error("Error creating directory path for output file: " + e.getLocalizedMessage());
+      }
+    }
+
+    schemaExport.setOutputFile(output.getPath());
+    schemaExport.execute(false, this.export, true, false);
+
+    for (Object exception : schemaExport.getExceptions())
+      getLog().error(exception.toString());
+  }
+}