Check that md5 path is file and has content

[hibernate4-maven-plugin] / src / main / java / de / juplo / plugins / hibernate4 / Hbm2DdlMojo.java

diff --git a/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java b/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java
index 5c3b5c7..9790181 100644 (file)
--- a/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java
+++ b/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java
@@ -47,9 +47,12 @@ import java.util.Properties;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.logging.Logger;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import javax.persistence.Embeddable;
 import javax.persistence.Entity;
 import javax.persistence.MappedSuperclass;
+import org.apache.maven.artifact.Artifact;
 import org.apache.maven.model.Resource;
 import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugin.MojoExecutionException;
@@ -85,7 +88,10 @@ public class Hbm2DdlMojo extends AbstractMojo
   public final static String NAMING_STRATEGY="hibernate.ejb.naming_strategy";
   public final static String ENVERS = "hibernate.export.envers";
 
-  private final static String MD5S = "schema.md5s";
+  public final static String MD5S = "hibernate4-generatedschema.md5s";
+
+  private final static Pattern split = Pattern.compile("[^,\\s]+");
+
 
   /**
    * The maven project.
@@ -116,6 +122,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Additonally, all dependencies are scanned for annotated classes.
    *
    * @parameter property="project.build.outputDirectory"
+   * @since 1.0
    */
   private String outputDirectory;
 
@@ -126,9 +133,26 @@ public class Hbm2DdlMojo extends AbstractMojo
    * artifact will be scanned for hibernate-annotated classes additionally.
    *
    * @parameter property="hibernate.export.scan_testclasses" default-value="false"
+   * @since 1.0.1
    */
   private boolean scanTestClasses;
 
+  /**
+   * Dependency-Scopes, that should be scanned for annotated classes.
+   * <p>
+   * By default, only dependencies in the scope <code>compile</code> are
+   * scanned for annotated classes. Multiple scopes can be seperated by
+   * white space or commas.
+   * <p>
+   * The plugin does not scan for annotated classes in transitive
+   * dependencies. If some of your annotated classes are hidden in a
+   * transitive dependency, you can simply add that dependency explicitly.
+   *
+   * @parameter property="hibernate.export.scan_dependencies" default-value="compile"
+   * @since 1.0.3
+   */
+  private String scanDependencies;
+
   /**
    * Test-Classes-Directory to scan.
    * <p>
@@ -139,6 +163,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * to <code>true</code>!
    *
    * @parameter property="project.build.testOutputDirectory"
+   * @since 1.0.2
    */
   private String testOutputDirectory;
 
@@ -153,7 +178,8 @@ public class Hbm2DdlMojo extends AbstractMojo
    * The excecution is skipped automatically, if no modified or newly added
    * annotated classes are found and the dialect was not changed.
    *
-   * @parameter property="hibernate.export.skip" default-value="false"
+   * @parameter property="hibernate.skip" default-value="${maven.test.skip}"
+   * @since 1.0
    */
   private boolean skip;
 
@@ -166,6 +192,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * <code>skip</code> takes precedence over <code>force</code>.
    *
    * @parameter property="hibernate.export.force" default-value="false"
+   * @since 1.0
    */
   private boolean force;
 
@@ -173,6 +200,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * SQL-Driver name.
    *
    * @parameter property="hibernate.connection.driver_class"
+   * @since 1.0
    */
   private String driverClassName;
 
@@ -180,6 +208,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Database URL.
    *
    * @parameter property="hibernate.connection.url"
+   * @since 1.0
    */
   private String url;
 
@@ -187,6 +216,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Database username
    *
    * @parameter property="hibernate.connection.username"
+   * @since 1.0
    */
   private String username;
 
@@ -194,6 +224,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Database password
    *
    * @parameter property="hibernate.connection.password"
+   * @since 1.0
    */
   private String password;
 
@@ -201,12 +232,15 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Hibernate dialect.
    *
    * @parameter property="hibernate.dialect"
+   * @since 1.0
    */
   private String hibernateDialect;
 
   /**
    * Hibernate Naming Strategy
+   *
    * @parameter property="hibernate.ejb.naming_strategy"
+   * @since 1.0.2
    */
   private String hibernateNamingStrategy;
 
@@ -214,6 +248,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Path to Hibernate configuration file.
    *
    * @parameter default-value="${project.build.outputDirectory}/hibernate.properties"
+   * @since 1.0
    */
   private String hibernateProperties;
 
@@ -222,6 +257,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Multiple files can be separated with white-spaces and/or commas.
    *
    * @parameter property="hibernate.mapping"
+   * @since 1.0.2
    */
   private String hibernateMapping;
 
@@ -238,6 +274,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Hibernate-Dialect must always be choosen.
    *
    * @parameter property="hibernate.export.target" default-value="EXPORT"
+   * @since 1.0
    */
   private String target;
 
@@ -253,6 +290,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * If NONE is choosen, no databaseconnection is needed.
    *
    * @parameter property="hibernate.export.type" default-value="BOTH"
+   * @since 1.0
    */
   private String type;
 
@@ -260,6 +298,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Output file.
    *
    * @parameter property="hibernate.export.schema.filename" default-value="${project.build.directory}/schema.sql"
+   * @since 1.0
    */
   private String outputFile;
 
@@ -267,6 +306,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Delimiter in output-file.
    *
    * @parameter property="hibernate.export.schema.delimiter" default-value=";"
+   * @since 1.0
    */
   private String delimiter;
 
@@ -274,6 +314,7 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Format output-file.
    *
    * @parameter property="hibernate.export.schema.format" default-value="true"
+   * @since 1.0
    */
   private boolean format;
 
@@ -281,9 +322,11 @@ public class Hbm2DdlMojo extends AbstractMojo
    * Generate envers schema for auditing tables.
    *
    * @parameter property="hibernate.export.envers" default-value="false"
+   * @since 1.0.3
    */
   private boolean envers;
 
+
   @Override
   public void execute()
     throws
@@ -301,7 +344,7 @@ public class Hbm2DdlMojo extends AbstractMojo
     boolean modified = false;
     File saved = new File(buildDirectory + File.separator + MD5S);
 
-    if (saved.exists())
+    if (saved.isFile() && saved.length() > 0)
     {
       try
       {
@@ -381,6 +424,34 @@ public class Hbm2DdlMojo extends AbstractMojo
           db.scanArchives(dirUrl);
         }
       }
+      if (scanDependencies != null)
+      {
+        Matcher matcher = split.matcher(scanDependencies);
+        while (matcher.find())
+        {
+          getLog().info("Scanning dependencies for scope " + matcher.group());
+          for (Artifact artifact : project.getDependencyArtifacts())
+          {
+            if (!artifact.getScope().equalsIgnoreCase(matcher.group()))
+              continue;
+            if (artifact.getFile() == null)
+            {
+              getLog().warn(
+                  "Cannot scan dependency " +
+                  artifact.getId() +
+                  ": no JAR-file available!"
+                  );
+              continue;
+            }
+            getLog().info(
+                "Scanning dependency " +
+                artifact.getId() +
+                " for annotated classes..."
+                );
+            db.scanArchives(artifact.getFile().toURI().toURL());
+          }
+        }
+      }
 
       Set<String> classNames = new HashSet<String>();
       if (db.getAnnotationIndex().containsKey(Entity.class.getName()))