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Plugin for generating a database-schema from Hibernate-4-Mapping-Annotations
package de.juplo.plugins.hibernate4;
/*
* 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 com.pyx4j.log4j.MavenLogAppender;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
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.security.NoSuchAlgorithmException;
import java.sql.Driver;
import java.sql.DriverPropertyInfo;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.LinkedList;
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 java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.persistence.Embeddable;
import javax.persistence.Entity;
import javax.persistence.MappedSuperclass;
import javax.persistence.spi.PersistenceUnitTransactionType;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.model.Resource;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.project.MavenProject;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.boot.registry.classloading.spi.ClassLoadingException;
import org.hibernate.boot.registry.internal.StandardServiceRegistryImpl;
import org.hibernate.cfg.Environment;
import org.hibernate.cfg.NamingStrategy;
import org.hibernate.envers.configuration.spi.AuditConfiguration;
import org.hibernate.internal.util.config.ConfigurationHelper;
import org.hibernate.jpa.boot.internal.ParsedPersistenceXmlDescriptor;
import org.hibernate.jpa.boot.internal.PersistenceXmlParser;
import org.hibernate.jpa.boot.spi.ProviderChecker;
import org.hibernate.tool.hbm2ddl.SchemaExport;
import org.hibernate.tool.hbm2ddl.SchemaExport.Type;
import org.hibernate.tool.hbm2ddl.Target;
import org.scannotation.AnnotationDB;
/**
* Goal which extracts the hibernate-mapping-configuration and
* exports an according SQL-database-schema.
*
* @goal export
* @phase process-classes
* @threadSafe
* @requiresDependencyResolution runtime
*/
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";
public final static String NAMING_STRATEGY="hibernate.ejb.naming_strategy";
public final static String ENVERS = "hibernate.export.envers";
public final static String JPA_DRIVER = "javax.persistence.jdbc.driver";
public final static String JPA_URL = "javax.persistence.jdbc.url";
public final static String JPA_USERNAME = "javax.persistence.jdbc.user";
public final static String JPA_PASSWORD = "javax.persistence.jdbc.password";
public final static String MD5S = "hibernate4-generatedschema.md5s";
private final static Pattern split = Pattern.compile("[^,\\s]+");
/**
* The maven project.
*
* Only needed internally.
*
* @parameter property="project"
* @required
* @readonly
*/
private MavenProject project;
/**
* Build-directory.
*
* Only needed internally.
*
* @parameter property="project.build.directory"
* @required
* @readonly
*/
private String buildDirectory;
/**
* Classes-Directory to scan.
*
* This parameter defaults to the maven build-output-directory for classes.
* Additionally, all dependencies are scanned for annotated classes.
*
* @parameter property="project.build.outputDirectory"
* @since 1.0
*/
private String outputDirectory;
/**
* Whether to scan test-classes too, or not.
*
* If this parameter is set to true the test-classes of the
* 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.
*
* By default, only dependencies in the scope compile are
* scanned for annotated classes. Multiple scopes can be seperated by
* white space or commas.
*
* If you do not want any dependencies to be scanned for annotated
* classes, set this parameter to none.
*
* 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.
*
* This parameter defaults to the maven build-output-directory for
* test-classes.
*
* This parameter is only used, when scanTestClasses is set
* to true!
*
* @parameter property="project.build.testOutputDirectory"
* @since 1.0.2
*/
private String testOutputDirectory;
/**
* Skip execution
*
* If set to true, the execution is skipped.
*
* A skipped execution is signaled via the maven-property
* ${hibernate.export.skipped}.
*
* The execution is skipped automatically, if no modified or newly added
* annotated classes are found and the dialect was not changed.
*
* @parameter property="hibernate.skip" default-value="${maven.test.skip}"
* @since 1.0
*/
private boolean skip;
/**
* Force execution
*
* Force execution, even if no modified or newly added annotated classes
* where found and the dialect was not changed.
*
* skip takes precedence over force.
*
* @parameter property="hibernate.export.force" default-value="false"
* @since 1.0
*/
private boolean force;
/**
* SQL-Driver name.
*
* @parameter property="hibernate.connection.driver_class"
* @since 1.0
*/
private String driverClassName;
/**
* Database URL.
*
* @parameter property="hibernate.connection.url"
* @since 1.0
*/
private String url;
/**
* Database username
*
* @parameter property="hibernate.connection.username"
* @since 1.0
*/
private String username;
/**
* Database password
*
* @parameter property="hibernate.connection.password"
* @since 1.0
*/
private String password;
/**
* 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;
/**
* Path to Hibernate properties file.
* If this parameter is not set the plugin will try to load the configuration
* from a file hibernate.properties on the classpath. The
* test-classpath takes precedence.
*
* @parameter
* @since 1.0
*/
private String hibernateProperties;
/**
* Path to Hibernate configuration file (.cfg.xml).
* Settings in this file will overwrite settings in the properties file.
* If this parameter is not set the plugin will try to load the configuration
* from a file hibernate.cfg.xml on the classpath. The
* test-classpath takes precedence.
*
* @parameter
* @since 1.1.0
*/
private String hibernateConfig;
/**
* Name of the persistence-unit.
* If there is only one persistence-unit available, that unit will be used
* automatically.
* Settings in this file will overwrite settings in the properties or the
* configuration file.
*
* @parameter
* @since 1.1.0
*/
private String persistenceUnit;
/**
* List of Hibernate-Mapping-Files (XML).
* Multiple files can be separated with white-spaces and/or commas.
*
* @parameter property="hibernate.mapping"
* @since 1.0.2
*/
private String hibernateMapping;
/**
* Target of execution:
*
* - NONE only export schema to SQL-script (forces execution, signals skip)
* - EXPORT create database (DEFAULT!). forces execution, signals skip)
* - SCRIPT export schema to SQL-script and print it to STDOUT
* - BOTH
*
*
* A database connection is only needed for EXPORT and BOTH, but a
* Hibernate-Dialect must always be chosen.
*
* @parameter property="hibernate.export.target" default-value="EXPORT"
* @since 1.0
*/
private String target;
/**
* Type of execution.
*
* - NONE do nothing - just validate the configuration
* - CREATE create database-schema
* - DROP drop database-schema
* - BOTH (DEFAULT!)
*
*
* If NONE is choosen, no databaseconnection is needed.
*
* @parameter property="hibernate.export.type" default-value="BOTH"
* @since 1.0
*/
private String type;
/**
* Output file.
*
* @parameter property="hibernate.export.schema.filename" default-value="${project.build.directory}/schema.sql"
* @since 1.0
*/
private String outputFile;
/**
* Delimiter in output-file.
*
* @parameter property="hibernate.export.schema.delimiter" default-value=";"
* @since 1.0
*/
private String delimiter;
/**
* Format output-file.
*
* @parameter property="hibernate.export.schema.format" default-value="true"
* @since 1.0
*/
private boolean format;
/**
* Generate envers schema for auditing tables.
*
* @parameter property="hibernate.export.envers" default-value="true"
* @since 1.0.3
*/
private boolean envers;
@Override
public void execute()
throws
MojoFailureException,
MojoExecutionException
{
if (skip)
{
getLog().info("Execution of hibernate4-maven-plugin:export was skipped!");
project.getProperties().setProperty(EXPORT_SKIPPED_PROPERTY, "true");
return;
}
Map md5s;
boolean modified = false;
File saved = new File(buildDirectory + File.separator + MD5S);
if (saved.isFile() && saved.length() > 0)
{
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().debug("Cannot create file \"" + saved.getPath() + "\" for timestamps: " + e);
}
}
URLClassLoader classLoader = null;
try
{
getLog().debug("Creating ClassLoader for project-dependencies...");
List classpathFiles = project.getCompileClasspathElements();
if (scanTestClasses)
classpathFiles.addAll(project.getTestClasspathElements());
List urls = new LinkedList();
File file;
file = new File(testOutputDirectory);
if (!file.exists())
{
getLog().info("creating test-output-directory: " + testOutputDirectory);
file.mkdirs();
}
urls.add(file.toURI().toURL());
file = new File(outputDirectory);
if (!file.exists())
{
getLog().info("creating output-directory: " + outputDirectory);
file.mkdirs();
}
urls.add(file.toURI().toURL());
for (String pathElement : classpathFiles)
{
getLog().debug("Dependency: " + pathElement);
urls.add(new File(pathElement).toURI().toURL());
}
classLoader =
new URLClassLoader(
urls.toArray(new URL[urls.size()]),
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());
}
}
);
try
{
AnnotationDB db = new AnnotationDB();
File dir = new File(outputDirectory);
if (dir.exists())
{
getLog().info("Scanning directory " + outputDirectory + " for annotated classes...");
URL dirUrl = dir.toURI().toURL();
db.scanArchives(dirUrl);
}
if (scanTestClasses)
{
dir = new File(testOutputDirectory);
if (dir.exists())
{
getLog().info("Scanning directory " + testOutputDirectory + " for annotated classes...");
URL dirUrl = dir.toURI().toURL();
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 classNames = new HashSet();
if (db.getAnnotationIndex().containsKey(Entity.class.getName()))
classNames.addAll(db.getAnnotationIndex().get(Entity.class.getName()));
if (db.getAnnotationIndex().containsKey(MappedSuperclass.class.getName()))
classNames.addAll(db.getAnnotationIndex().get(MappedSuperclass.class.getName()));
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);
String resourceName = annotatedClass.getName();
resourceName = resourceName.substring(resourceName.lastIndexOf(".") + 1, resourceName.length()) + ".class";
InputStream is =
annotatedClass
.getResourceAsStream(resourceName);
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 (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());
}
ValidationConfiguration config = new ValidationConfiguration();
// Clear unused system-properties
config.setProperties(new Properties());
ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
StandardServiceRegistryImpl registry = null;
MavenLogAppender.startPluginLog(this);
try
{
/**
* Change class-loader of current thread, so that hibernate can
* see all dependencies!
*/
Thread.currentThread().setContextClassLoader(classLoader);
/** Try to read configuration from properties-file */
try
{
if (hibernateProperties == null)
{
URL url = classLoader.findResource("hibernate.properties");
if (url == null)
{
getLog().info("No hibernate.properties on the classpath!");
}
else
{
getLog().info("Reading settings from hibernate.properties on the classpath.");
Properties properties = new Properties();
properties.load(url.openStream());
config.setProperties(properties);
}
}
else
{
File file = new File(hibernateProperties);
if (file.exists())
{
getLog().info("Reading settings from file " + hibernateProperties + "...");
Properties properties = new Properties();
properties.load(new FileInputStream(file));
config.setProperties(properties);
}
else
getLog().info("No hibernate-properties-file found! (Checked path: " + hibernateProperties + ")");
}
}
catch (IOException e)
{
getLog().error("Error while reading properties!", e);
throw new MojoExecutionException(e.getMessage());
}
/** Try to read configuration from configuration-file */
try
{
if (hibernateConfig == null)
{
URL url = classLoader.findResource("hibernate.cfg.xml");
if (url == null)
{
getLog().info("No hibernate.cfg.xml on the classpath!");
}
else
{
getLog().info("Reading settings from hibernate.cfg.xml on the classpath.");
config.configure(url);
}
}
else
{
File file = new File(hibernateConfig);
if (file.exists())
{
getLog().info("Reading configuration from file " + hibernateConfig + "...");
config.configure(file);
}
else
getLog().info("No hibernate-configuration-file found! (Checked path: " + hibernateConfig + ")");
}
}
catch (Exception e)
{
getLog().error("Error while reading configuration!", e);
throw new MojoExecutionException(e.getMessage());
}
ParsedPersistenceXmlDescriptor persistenceUnitDescriptor =
getPersistenceUnitDescriptor(
persistenceUnit,
config.getProperties(),
new MavenProjectClassLoaderService(classLoader)
);
if (persistenceUnitDescriptor != null)
config.setProperties(persistenceUnitDescriptor.getProperties());
/** Overwrite values from properties-file or set, if given */
if (driverClassName != null)
{
if (config.getProperties().containsKey(DRIVER_CLASS))
getLog().debug(
"Overwriting property " +
DRIVER_CLASS + "=" + config.getProperty(DRIVER_CLASS) +
" with the value " + driverClassName
);
else
getLog().debug("Using the value " + driverClassName);
config.setProperty(DRIVER_CLASS, driverClassName);
}
if (config.getProperty(DRIVER_CLASS) == null)
{
String driver = config.getProperty(JPA_DRIVER);
if (driver != null)
{
getLog().info(
DRIVER_CLASS +
" is not set. Borrow setting from " +
JPA_DRIVER +
": " +
driver);
config.setProperty(DRIVER_CLASS, driver);
}
}
if (url != null)
{
if (config.getProperties().containsKey(URL))
getLog().debug(
"Overwriting property " +
URL + "=" + config.getProperty(URL) +
" with the value " + url
);
else
getLog().debug("Using the value " + url);
config.setProperty(URL, url);
}
if (config.getProperty(URL) == null)
{
String url = config.getProperty(JPA_URL);
if (url != null)
{
getLog().info(
URL +
" is not set. Borrow setting from " +
JPA_URL +
": " +
url);
config.setProperty(URL, url);
}
}
if (username != null)
{
if (config.getProperties().containsKey(USERNAME))
getLog().debug(
"Overwriting property " +
USERNAME + "=" + config.getProperty(USERNAME) +
" with the value " + username
);
else
getLog().debug("Using the value " + username);
config.setProperty(USERNAME, username);
}
if (config.getProperty(USERNAME) == null)
{
String username = config.getProperty(JPA_USERNAME);
if (username != null)
{
getLog().info(
USERNAME +
" is not set. Borrow setting from " +
JPA_USERNAME +
": " +
username);
config.setProperty(USERNAME, username);
}
}
if (password != null)
{
if (config.getProperties().containsKey(PASSWORD))
getLog().debug(
"Overwriting property " +
PASSWORD + "=" + config.getProperty(PASSWORD) +
" with value " + password
);
else
getLog().debug("Using value " + password + " for property " + PASSWORD);
config.setProperty(PASSWORD, password);
}
if (config.getProperty(PASSWORD) == null)
{
String password = config.getProperty(JPA_PASSWORD);
if (password != null)
{
getLog().info(
PASSWORD +
" is not set. Borrow setting from " +
JPA_PASSWORD +
": " +
password);
config.setProperty(PASSWORD, password);
}
}
if (hibernateDialect != null)
{
if (config.getProperties().containsKey(DIALECT))
getLog().debug(
"Overwriting property " +
DIALECT + "=" + config.getProperty(DIALECT) +
" with value " + hibernateDialect
);
else
getLog().debug(
"Using value " + hibernateDialect + " for property " + DIALECT
);
config.setProperty(DIALECT, hibernateDialect);
}
if ( hibernateNamingStrategy != null )
{
if ( config.getProperties().contains(NAMING_STRATEGY))
getLog().debug(
"Overwriting property " +
NAMING_STRATEGY + "=" + config.getProperty(NAMING_STRATEGY) +
" with value " + hibernateNamingStrategy
);
else
getLog().debug(
"Using value " + hibernateNamingStrategy + " for property " +
NAMING_STRATEGY
);
config.setProperty(NAMING_STRATEGY, hibernateNamingStrategy);
}
/** The generated SQL varies with the dialect! */
if (md5s.containsKey(DIALECT))
{
String dialect = config.getProperty(DIALECT);
if (md5s.get(DIALECT).equals(dialect))
getLog().debug("SQL-dialect unchanged.");
else
{
modified = true;
if (dialect == null)
{
getLog().debug("SQL-dialect was unset.");
md5s.remove(DIALECT);
}
else
{
getLog().debug("SQL-dialect changed: " + dialect);
md5s.put(DIALECT, dialect);
}
}
}
else
{
String dialect = config.getProperty(DIALECT);
if (dialect != null)
{
modified = true;
md5s.put(DIALECT, config.getProperty(DIALECT));
}
}
/** The generated SQL varies with the envers-configuration */
if (md5s.get(ENVERS) != null)
{
if (md5s.get(ENVERS).equals(Boolean.toString(envers)))
getLog().debug("Envers-Configuration unchanged. Enabled: " + envers);
else
{
getLog().debug("Envers-Configuration changed. Enabled: " + envers);
modified = true;
md5s.put(ENVERS, Boolean.toString(envers));
}
}
else
{
modified = true;
md5s.put(ENVERS, Boolean.toString(envers));
}
if (config.getProperties().isEmpty())
{
getLog().error("No properties set!");
throw new MojoFailureException("Hibernate configuration is missing!");
}
getLog().info("Gathered hibernate-configuration (turn on debugging for details):");
for (Entry entry : config.getProperties().entrySet())
getLog().info(" " + entry.getKey() + " = " + entry.getValue());
getLog().debug("Adding explicitly configured mappings...");
if (hibernateMapping != null)
{
try
{
MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
for (String filename : hibernateMapping.split("[\\s,]+"))
{
// First try the filename as absolute/relative path
File file = new File(filename);
if (!file.exists())
{
// If the file was not found, search for it in the resource-directories
for (Resource resource : project.getResources())
{
file = new File(resource.getDirectory() + File.separator + filename);
if (file.exists())
break;
}
}
if (file != null && file.exists())
{
InputStream is = new FileInputStream(file);
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(filename) ? "" : md5s.get(filename);
if (!newMd5.equals(oldMd5))
{
getLog().debug("Found new or modified mapping-file: " + filename);
modified = true;
md5s.put(filename, newMd5);
}
else
{
getLog().debug(oldMd5 + " -> mapping-file unchanged: " + filename);
}
getLog().debug("Adding mappings from XML-configurationfile: " + file);
config.addFile(file);
}
else
throw new MojoFailureException("File " + filename + " could not be found in any of the configured resource-directories!");
}
}
catch (NoSuchAlgorithmException e)
{
throw new MojoFailureException("Cannot calculate MD5 sums!", e);
}
catch (FileNotFoundException e)
{
throw new MojoFailureException("Cannot calculate MD5 sums!", e);
}
catch (IOException e)
{
throw new MojoFailureException("Cannot calculate MD5 sums!", e);
}
}
getLog().debug("Adding annotated classes to hibernate-mapping-configuration...");
// build annotated packages
Set packages = new HashSet();
for (Class annotatedClass : classes)
{
String packageName = annotatedClass.getPackage().getName();
if (!packages.contains(packageName))
{
getLog().debug("Add package " + packageName);
packages.add(packageName);
config.addPackage(packageName);
getLog().debug("type definintions" + config.getTypeDefs());
}
getLog().debug("Class " + annotatedClass);
config.addAnnotatedClass(annotatedClass);
}
Target target = null;
try
{
target = Target.valueOf(this.target.toUpperCase());
}
catch (IllegalArgumentException e)
{
getLog().error("Invalid value for configuration-option \"target\": " + this.target);
getLog().error("Valid values are: NONE, SCRIPT, EXPORT, BOTH");
throw new MojoExecutionException("Invalid value for configuration-option \"target\"");
}
Type type = null;
try
{
type = Type.valueOf(this.type.toUpperCase());
}
catch (IllegalArgumentException e)
{
getLog().error("Invalid value for configuration-option \"type\": " + this.type);
getLog().error("Valid values are: NONE, CREATE, DROP, BOTH");
throw new MojoExecutionException("Invalid value for configuration-option \"type\"");
}
if (config.getProperty(DIALECT) == null)
throw new MojoFailureException("hibernate-dialect must be set!");
if (target.equals(Target.SCRIPT) || target.equals(Target.NONE))
{
project.getProperties().setProperty(EXPORT_SKIPPED_PROPERTY, "true");
}
if (
!modified
&& !target.equals(Target.SCRIPT)
&& !target.equals(Target.NONE)
&& !force
)
{
getLog().info("No modified annotated classes or mapping-files found and dialect unchanged.");
getLog().info("Skipping schema generation!");
project.getProperties().setProperty(EXPORT_SKIPPED_PROPERTY, "true");
return;
}
if ( config.getProperties().containsKey(NAMING_STRATEGY))
{
String namingStrategy = config.getProperty(NAMING_STRATEGY);
getLog().debug("Explicitly set NamingStrategy: " + namingStrategy);
try
{
@SuppressWarnings("unchecked")
Class namingStrategyClass = (Class) Class.forName(namingStrategy);
config.setNamingStrategy(namingStrategyClass.newInstance());
}
catch (Exception e)
{
getLog().error("Error setting NamingStrategy", e);
throw new MojoExecutionException(e.getMessage());
}
}
Environment.verifyProperties(config.getProperties());
ConfigurationHelper.resolvePlaceHolders(config.getProperties());
registry =
(StandardServiceRegistryImpl)
new StandardServiceRegistryBuilder()
.applySettings(config.getProperties())
.build();
config.buildMappings();
if (envers)
{
getLog().info("Automatic auditing via hibernate-envers enabled!");
AuditConfiguration.getFor(config);
}
SchemaExport export = new SchemaExport(registry, config);
export.setDelimiter(delimiter);
export.setFormat(format);
File outF = new File(outputFile);
if (!outF.isAbsolute())
{
// Interpret relative file path relative to build directory
outF = new File(buildDirectory, outputFile);
getLog().info("Adjusted relative path, resulting path is " + outF.getPath());
}
// Ensure that directory path for specified file exists
File outFileParentDir = outF.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());
}
}
export.setOutputFile(outF.getPath());
export.execute(target, type);
for (Object exception : export.getExceptions())
getLog().debug(exception.toString());
}
finally
{
/** Stop Log-Capturing */
MavenLogAppender.endPluginLog(this);
/** Restore the old class-loader (TODO: is this really necessary?) */
Thread.currentThread().setContextClassLoader(contextClassLoader);
if (registry != null)
registry.destroy();
}
/** Write md5-sums for annotated classes to file */
try
{
FileOutputStream fos = new FileOutputStream(saved);
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(md5s);
oos.close();
fos.close();
}
catch (Exception e)
{
getLog().error("Cannot write md5-sums to file: " + e);
}
}
private ParsedPersistenceXmlDescriptor getPersistenceUnitDescriptor(
String name,
Properties properties,
ClassLoaderService loader
)
throws
MojoFailureException
{
PersistenceXmlParser parser =
new PersistenceXmlParser(
loader,
PersistenceUnitTransactionType.RESOURCE_LOCAL
);
List units = parser.doResolve(properties);
if (name == null)
{
switch (units.size())
{
case 0:
getLog().info("Found no META-INF/persistence.xml.");
return null;
case 1:
getLog().info("Using persistence-unit " + units.get(0).getName());
return units.get(0);
default:
getLog().warn("No name provided and multiple persistence units found:");
for (ParsedPersistenceXmlDescriptor unit : units)
getLog().warn(" - " + unit.getName());
return null;
}
}
for (ParsedPersistenceXmlDescriptor unit : units)
{
getLog().debug("Found persistence-unit " + unit.getName());
if (!unit.getName().equals(name))
continue;
// See if we (Hibernate) are the persistence provider
if (!ProviderChecker.isProvider(unit, properties))
{
getLog().debug("Wrong provider: " + unit.getProviderClassName());
continue;
}
getLog().info("Using persistence-unit " + unit.getName());
return unit;
}
throw new MojoFailureException("Could not find persistence-unit " + name);
}
static final class MavenProjectClassLoaderService implements ClassLoaderService
{
final private ClassLoader loader;
public MavenProjectClassLoaderService(ClassLoader loader)
{
this.loader = loader;
}
@Override
public Class classForName(String name)
{
try
{
return (Class)loader.loadClass(name);
}
catch (ClassNotFoundException e)
{
throw new ClassLoadingException( "Unable to load class [" + name + "]", e );
}
}
@Override
public URL locateResource(String name)
{
return loader.getResource(name);
}
@Override
public InputStream locateResourceStream(String name)
{
return loader.getResourceAsStream(name);
}
@Override
public List locateResources(String name)
{
try
{
return Collections.list(loader.getResources(name));
}
catch (IOException e)
{
return Collections.EMPTY_LIST;
}
}
@Override
public LinkedHashSet loadJavaServices(Class serviceContract)
{
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
@Override
public void stop() { }
}
/**
* Needed, because DriverManager won't pick up drivers, that were not
* loaded by the system-classloader!
* See:
* http://stackoverflow.com/questions/288828/how-to-use-a-jdbc-driver-fromodifiedm-an-arbitrary-location
*/
static final class DriverProxy implements Driver
{
private final Driver target;
DriverProxy(Driver target)
{
if (target == null)
throw new NullPointerException();
this.target = target;
}
public java.sql.Driver getTarget()
{
return target;
}
@Override
public boolean acceptsURL(String url) throws SQLException
{
return target.acceptsURL(url);
}
@Override
public java.sql.Connection connect(
String url,
java.util.Properties info
)
throws
SQLException
{
return target.connect(url, info);
}
@Override
public int getMajorVersion()
{
return target.getMajorVersion();
}
@Override
public int getMinorVersion()
{
return target.getMinorVersion();
}
@Override
public DriverPropertyInfo[] getPropertyInfo(
String url,
Properties info
)
throws
SQLException
{
return target.getPropertyInfo(url, info);
}
@Override
public boolean jdbcCompliant()
{
return target.jdbcCompliant();
}
/**
* This Method cannot be annotated with @Override, becaus the plugin
* will not compile then under Java 1.6!
*/
public Logger getParentLogger() throws SQLFeatureNotSupportedException
{
throw new SQLFeatureNotSupportedException("Not supported, for backward-compatibility with Java 1.6");
}
@Override
public String toString()
{
return "Proxy: " + target;
}
@Override
public int hashCode()
{
return target.hashCode();
}
@Override
public boolean equals(Object obj)
{
if (!(obj instanceof DriverProxy))
return false;
DriverProxy other = (DriverProxy) obj;
return this.target.equals(other.target);
}
}
}
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