X-Git-Url: http://juplo.de/gitweb/?p=hibernate4-maven-plugin;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fplugins%2Fhibernate4%2FHbm2DdlMojo.java;h=a2306acc71697207a8d2b29fee8acdc7bc82a986;hp=8db0fd66c72b8530900fff8250f28f86243adc98;hb=19740023bb37770ad8e08c8e50687cb507e2fbfd;hpb=a4de03f352b21ce6abad570d2753467e3a972a10
diff --git a/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java b/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java
index 8db0fd66..a2306acc 100644
--- a/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java
+++ b/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java
@@ -21,10 +21,13 @@ import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
+import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
+import java.math.BigInteger;
import java.net.URL;
import java.net.URLClassLoader;
+import java.security.MessageDigest;
import java.sql.Connection;
import java.sql.Driver;
import java.sql.DriverManager;
@@ -67,16 +70,18 @@ import org.scannotation.AnnotationDB;
*/
public class Hbm2DdlMojo extends AbstractMojo
{
+ public final static String EXPORT_SKIPPED_PROPERTY = "hibernate.export.skipped";
+
public final static String DRIVER_CLASS = "hibernate.connection.driver_class";
public final static String URL = "hibernate.connection.url";
public final static String USERNAME = "hibernate.connection.username";
public final static String PASSWORD = "hibernate.connection.password";
public final static String DIALECT = "hibernate.dialect";
- private final static String TIMESTAMPS = "schema.timestamp";
+ private final static String MD5S = "schema.md5s";
/**
- * The project whose project files to create.
+ * The maven project.
*
* @parameter expression="${project}"
* @required
@@ -85,7 +90,14 @@ public class Hbm2DdlMojo extends AbstractMojo
private MavenProject project;
/**
- * Directories to scan.
+ * Build-directory.
+ *
+ * @parameter expression="${project.build.directory}"
+ */
+ private String buildDirectory;
+
+ /**
+ * Class-directory to scan.
*
* @parameter expression="${project.build.outputDirectory}"
*/
@@ -94,7 +106,7 @@ public class Hbm2DdlMojo extends AbstractMojo
/**
* Skip execution
*
- * @parameter expression="${maven.test.skip}"
+ * @parameter expression="${maven.test.skip}" default-value="false"
*/
private boolean skip;
@@ -134,7 +146,7 @@ public class Hbm2DdlMojo extends AbstractMojo
private String hibernateDialect;
/**
- * Hibernate configuration file.
+ * Path to Hibernate configuration file.
*
* @parameter default-value="${project.build.outputDirectory}/hibernate.properties"
*/
@@ -148,7 +160,7 @@ public class Hbm2DdlMojo extends AbstractMojo
*
SCRIPT export schema to SQL-script
* BOTH
*
- * @parameter default-value="EXPORT"
+ * @parameter expression="${hibernate.export.target}" default-value="EXPORT"
*/
private String target;
@@ -160,28 +172,28 @@ public class Hbm2DdlMojo extends AbstractMojo
* DROP drop database-schema
* BOTH (DEFAULT!)
*
- * @parameter default-value="BOTH"
+ * @parameter expression="${hibernate.export.type}" default-value="BOTH"
*/
private String type;
/**
* Output file.
*
- * @parameter default-value="${project.build.outputDirectory}/schema.sql"
+ * @parameter expression="${hibernate.export.schema.filename}" default-value="${project.build.directory}/schema.sql"
*/
private String outputFile;
/**
* Delimiter in output-file.
*
- * @parameter default-value=";"
+ * @parameter expression="${hibernate.export.schema.delimiter}" default-value=";"
*/
private String delimiter;
/**
* Format output-file.
*
- * @parameter default-value="true"
+ * @parameter expression="${hibernate.export.schema.format}" default-value="true"
*/
private boolean format;
@@ -195,6 +207,7 @@ public class Hbm2DdlMojo extends AbstractMojo
if (skip)
{
getLog().info("Exectuion of hibernate4-maven-plugin:export was skipped!");
+ project.getProperties().setProperty(EXPORT_SKIPPED_PROPERTY, "true");
return;
}
@@ -202,9 +215,9 @@ public class Hbm2DdlMojo extends AbstractMojo
if (!dir.exists())
throw new MojoExecutionException("Cannot scan for annotated classes in " + outputDirectory + ": directory does not exist!");
- Map timestamps;
+ Map md5s;
boolean modified = false;
- File saved = new File(outputDirectory + File.separator + TIMESTAMPS);
+ File saved = new File(buildDirectory + File.separator + MD5S);
if (saved.exists())
{
@@ -212,18 +225,18 @@ public class Hbm2DdlMojo extends AbstractMojo
{
FileInputStream fis = new FileInputStream(saved);
ObjectInputStream ois = new ObjectInputStream(fis);
- timestamps = (HashMap)ois.readObject();
+ md5s = (HashMap)ois.readObject();
ois.close();
}
catch (Exception e)
{
- timestamps = new HashMap();
+ md5s = new HashMap();
getLog().warn("Cannot read timestamps from saved: " + e);
}
}
else
{
- timestamps = new HashMap();
+ md5s = new HashMap();
try
{
saved.createNewFile();
@@ -279,19 +292,32 @@ public class Hbm2DdlMojo extends AbstractMojo
if (db.getAnnotationIndex().containsKey(Embeddable.class.getName()))
classNames.addAll(db.getAnnotationIndex().get(Embeddable.class.getName()));
+ MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
for (String name : classNames)
{
Class> annotatedClass = classLoader.loadClass(name);
classes.add(annotatedClass);
- URL classUrl = annotatedClass.getResource(annotatedClass.getSimpleName() + ".class");
- File classFile = new File(classUrl.toURI());
- long lastModified = classFile.lastModified();
- long timestamp = !timestamps.containsKey(name) ? 0 : timestamps.get(name);
- if (lastModified > timestamp)
+ InputStream is =
+ annotatedClass
+ .getResourceAsStream(annotatedClass.getSimpleName() + ".class");
+ byte[] buffer = new byte[1024*4]; // copy data in 4MB-chunks
+ int i;
+ while((i = is.read(buffer)) > -1)
+ digest.update(buffer, 0, i);
+ is.close();
+ byte[] bytes = digest.digest();
+ BigInteger bi = new BigInteger(1, bytes);
+ String newMd5 = String.format("%0" + (bytes.length << 1) + "x", bi);
+ String oldMd5 = !md5s.containsKey(name) ? "" : md5s.get(name);
+ if (!newMd5.equals(oldMd5))
{
getLog().debug("Found new or modified annotated class: " + name);
modified = true;
- timestamps.put(name, lastModified);
+ md5s.put(name, newMd5);
+ }
+ else
+ {
+ getLog().debug(oldMd5 + " -> class unchanged: " + name);
}
}
}
@@ -309,14 +335,6 @@ public class Hbm2DdlMojo extends AbstractMojo
if (classes.isEmpty())
throw new MojoFailureException("No annotated classes found in directory " + outputDirectory);
- if (!modified)
- {
- getLog().info("No modified annotated classes found.");
- getLog().info("Skipping schema generation!");
- project.getProperties().setProperty("hibernate4.skipped", "true");
- return;
- }
-
getLog().debug("Detected classes with mapping-annotations:");
for (Class> annotatedClass : classes)
getLog().debug(" " + annotatedClass.getName());
@@ -424,14 +442,30 @@ public class Hbm2DdlMojo extends AbstractMojo
properties.setProperty(DIALECT, hibernateDialect);
}
- getLog().info("Gathered hibernate-configuration (turn on debugging for details):");
+ /** The generated SQL varies with the dialect! */
+ if (md5s.containsKey(DIALECT))
+ {
+ String dialect = properties.getProperty(DIALECT);
+ if (md5s.get(DIALECT).equals(dialect))
+ getLog().debug("SQL-dialect unchanged.");
+ else
+ {
+ getLog().debug("SQL-dialect changed: " + dialect);
+ modified = true;
+ md5s.put(DIALECT, dialect);
+ }
+ }
+ else
+ {
+ modified = true;
+ md5s.put(DIALECT, properties.getProperty(DIALECT));
+ }
+
if (properties.isEmpty())
{
getLog().error("No properties set!");
throw new MojoFailureException("Hibernate-Configuration is missing!");
}
- for (Entry