X-Git-Url: https://juplo.de/gitweb/?p=hibernate4-maven-plugin;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fplugins%2Fhibernate4%2FHbm2DdlMojo.java;h=bc0bc73ad91a362f8effabdfd6adb4f3c25c2225;hp=f016459f7d60cdacca4b739bf1c1d839870118df;hb=55a33e35422b904b974a19d3d6368ded60ea1811;hpb=d8f4466a2342587009406aae4f2a7023bc11f5ea
diff --git a/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java b/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java
index f016459f..bc0bc73a 100644
--- a/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java
+++ b/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java
@@ -19,21 +19,31 @@ package de.juplo.plugins.hibernate4;
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.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;
import java.sql.DriverPropertyInfo;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
+import java.util.Comparator;
import java.util.Enumeration;
+import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
+import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;
+import java.util.TreeSet;
import java.util.logging.Logger;
import javax.persistence.Embeddable;
import javax.persistence.Entity;
@@ -66,9 +76,10 @@ public class Hbm2DdlMojo extends AbstractMojo
public final static String PASSWORD = "hibernate.connection.password";
public final static String DIALECT = "hibernate.dialect";
+ private final static String MD5S = "schema.md5s";
/**
- * The project whose project files to create.
+ * The maven project.
*
* @parameter expression="${project}"
* @required
@@ -77,7 +88,14 @@ public class Hbm2DdlMojo extends AbstractMojo
private MavenProject project;
/**
- * Directories to scan.
+ * Build-directory.
+ *
+ * @parameter expression="${project.build.directory}"
+ */
+ private String buildDirectory;
+
+ /**
+ * Class-directory to scan.
*
* @parameter expression="${project.build.outputDirectory}"
*/
@@ -86,7 +104,7 @@ public class Hbm2DdlMojo extends AbstractMojo
/**
* Skip execution
*
- * @parameter expression="${maven.test.skip}"
+ * @parameter expression="${maven.test.skip}" default-value="false"
*/
private boolean skip;
@@ -126,7 +144,7 @@ public class Hbm2DdlMojo extends AbstractMojo
private String hibernateDialect;
/**
- * Hibernate configuration file.
+ * Path to Hibernate configuration file.
*
* @parameter default-value="${project.build.outputDirectory}/hibernate.properties"
*/
@@ -140,7 +158,7 @@ public class Hbm2DdlMojo extends AbstractMojo
*
SCRIPT export schema to SQL-script
* BOTH
*
- * @parameter default-value="EXPORT"
+ * @parameter expression="${hibernate.export.target}" default-value="EXPORT"
*/
private String target;
@@ -152,28 +170,28 @@ public class Hbm2DdlMojo extends AbstractMojo
* DROP drop database-schema
* BOTH (DEFAULT!)
*
- * @parameter default-value="BOTH"
+ * @parameter expression="${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;
@@ -194,29 +212,131 @@ public class Hbm2DdlMojo extends AbstractMojo
if (!dir.exists())
throw new MojoExecutionException("Cannot scan for annotated classes in " + outputDirectory + ": directory does not exist!");
+ Map md5s;
+ boolean modified = false;
+ File saved = new File(buildDirectory + File.separator + MD5S);
+
+ if (saved.exists())
+ {
+ try
+ {
+ FileInputStream fis = new FileInputStream(saved);
+ ObjectInputStream ois = new ObjectInputStream(fis);
+ md5s = (HashMap)ois.readObject();
+ ois.close();
+ }
+ catch (Exception e)
+ {
+ md5s = new HashMap();
+ getLog().warn("Cannot read timestamps from saved: " + e);
+ }
+ }
+ else
+ {
+ md5s = new HashMap();
+ try
+ {
+ saved.createNewFile();
+ }
+ catch (IOException e)
+ {
+ getLog().warn("Cannot create saved for timestamps: " + e);
+ }
+ }
+
+ ClassLoader classLoader = null;
+ try
+ {
+ getLog().debug("Creating ClassLoader for project-dependencies...");
+ List classpathFiles = project.getCompileClasspathElements();
+ URL[] urls = new URL[classpathFiles.size()];
+ for (int i = 0; i < classpathFiles.size(); ++i)
+ {
+ getLog().debug("Dependency: " + classpathFiles.get(i));
+ urls[i] = new File(classpathFiles.get(i)).toURI().toURL();
+ }
+ classLoader = new URLClassLoader(urls, getClass().getClassLoader());
+ }
+ catch (Exception e)
+ {
+ getLog().error("Error while creating ClassLoader!", e);
+ throw new MojoExecutionException(e.getMessage());
+ }
+
+ Set> classes =
+ new TreeSet>(
+ new Comparator>() {
+ @Override
+ public int compare(Class> a, Class> b)
+ {
+ return a.getName().compareTo(b.getName());
+ }
+ }
+ );
- Set classes = new HashSet();
try
{
AnnotationDB db = new AnnotationDB();
getLog().info("Scanning directory " + outputDirectory + " for annotated classes...");
URL dirUrl = dir.toURI().toURL();
db.scanArchives(dirUrl);
+
+ Set classNames = new HashSet();
if (db.getAnnotationIndex().containsKey(Entity.class.getName()))
- classes.addAll(db.getAnnotationIndex().get(Entity.class.getName()));
+ classNames.addAll(db.getAnnotationIndex().get(Entity.class.getName()));
if (db.getAnnotationIndex().containsKey(MappedSuperclass.class.getName()))
- classes.addAll(db.getAnnotationIndex().get(MappedSuperclass.class.getName()));
+ classNames.addAll(db.getAnnotationIndex().get(MappedSuperclass.class.getName()));
if (db.getAnnotationIndex().containsKey(Embeddable.class.getName()))
- classes.addAll(db.getAnnotationIndex().get(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);
+ 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;
+ md5s.put(name, newMd5);
+ }
+ else
+ {
+ getLog().debug(oldMd5 + " -> class unchanged: " + name);
+ }
+ }
}
- catch (IOException e)
+ catch (ClassNotFoundException e)
+ {
+ getLog().error("Error while adding annotated classes!", e);
+ throw new MojoExecutionException(e.getMessage());
+ }
+ catch (Exception e)
{
getLog().error("Error while scanning!", e);
throw new MojoFailureException(e.getMessage());
}
+
if (classes.isEmpty())
throw new MojoFailureException("No annotated classes found in directory " + outputDirectory);
+ getLog().debug("Detected classes with mapping-annotations:");
+ for (Class> annotatedClass : classes)
+ getLog().debug(" " + annotatedClass.getName());
+
+
Properties properties = new Properties();
/** Try to read configuration from properties-file */
@@ -319,6 +439,33 @@ public class Hbm2DdlMojo extends AbstractMojo
properties.setProperty(DIALECT, hibernateDialect);
}
+ /** 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 (!modified)
+ {
+ getLog().info("No modified annotated classes found and dialect unchanged.");
+ getLog().info("Skipping schema generation!");
+ project.getProperties().setProperty("hibernate.export.skipped", "true");
+ return;
+ }
+
getLog().info("Gathered hibernate-configuration (turn on debugging for details):");
if (properties.isEmpty())
{
@@ -328,40 +475,13 @@ public class Hbm2DdlMojo extends AbstractMojo
for (Entry