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=73f0ab0639eef2ecfc58fba1e4dee39018232013;hp=7c5cc340d10a1d9304f928b697d3b30f82844257;hb=426d18e689b89f33bf71601becfa465a00067b10;hpb=08c347e44a4eaeb0c5106f6c03c21f8c4282a14b diff --git a/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java b/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java index 7c5cc340..73f0ab06 100644 --- a/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java +++ b/src/main/java/de/juplo/plugins/hibernate4/Hbm2DdlMojo.java @@ -19,30 +19,47 @@ package de.juplo.plugins.hibernate4; 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.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 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; import org.apache.maven.plugin.MojoFailureException; import org.apache.maven.project.MavenProject; -import org.hibernate.cfg.Configuration; +import org.hibernate.cfg.NamingStrategy; +import org.hibernate.envers.configuration.spi.AuditConfiguration; import org.hibernate.tool.hbm2ddl.SchemaExport; import org.hibernate.tool.hbm2ddl.SchemaExport.Type; import org.hibernate.tool.hbm2ddl.Target; @@ -60,123 +77,254 @@ 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"; + public final static String NAMING_STRATEGY="hibernate.ejb.naming_strategy"; + public final static String ENVERS = "hibernate.export.envers"; + + public final static String MD5S = "hibernate4-generatedschema.md5s"; + + private final static Pattern split = Pattern.compile("[^,\\s]+"); /** - * The project whose project files to create. + * The maven project. + *

+ * Only needed internally. * - * @parameter expression="${project}" + * @parameter property="project" * @required * @readonly */ private MavenProject project; /** - * Directories to scan. + * Build-directory. + *

+ * Only needed internally. * - * @parameter expression="${project.build.outputDirectory}" + * @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. + *

+ * 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 expression="${maven.test.skip}" + * @parameter property="hibernate.skip" default-value="${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 expression="${hibernate.connection.driver_class} + * @parameter property="hibernate.connection.driver_class" + * @since 1.0 */ private String driverClassName; /** * Database URL. * - * @parameter expression="${hibernate.connection.url}" + * @parameter property="hibernate.connection.url" + * @since 1.0 */ private String url; /** * Database username * - * @parameter expression="${hibernate.connection.username}" + * @parameter property="hibernate.connection.username" + * @since 1.0 */ private String username; /** * Database password * - * @parameter expression="${hibernate.connection.password}" + * @parameter property="hibernate.connection.password" + * @since 1.0 */ private String password; /** * Hibernate dialect. * - * @parameter expression="${hibernate.dialect}" + * @parameter property="hibernate.dialect" + * @since 1.0 */ private String hibernateDialect; /** - * Hibernate configuration file. + * Hibernate Naming Strategy + * + * @parameter property="hibernate.ejb.naming_strategy" + * @since 1.0.2 + */ + private String hibernateNamingStrategy; + + /** + * Path to Hibernate configuration file. * * @parameter default-value="${project.build.outputDirectory}/hibernate.properties" + * @since 1.0 */ private String hibernateProperties; + /** + * 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: *

- * @parameter default-value="EXPORT" + * + * 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 export. + * Type of execution. * - * @parameter default-value="BOTH" + * + * 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 default-value="${project.build.outputDirectory}/schema.sql" + * @parameter property="hibernate.export.schema.filename" default-value="${project.build.directory}/schema.sql" + * @since 1.0 */ private String outputFile; /** * Delimiter in output-file. * - * @parameter default-value=";" + * @parameter property="hibernate.export.schema.delimiter" default-value=";" + * @since 1.0 */ private String delimiter; /** * Format output-file. * - * @parameter default-value="true" + * @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="false" + * @since 1.0.3 + */ + private boolean envers; + @Override public void execute() @@ -185,34 +333,187 @@ public class Hbm2DdlMojo extends AbstractMojo 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); + } + } - File dir = new File(outputDirectory); - if (!dir.exists()) - throw new MojoExecutionException("Cannot scan for annotated classes in " + outputDirectory + ": directory does not exist!"); + ClassLoader classLoader = null; + try + { + getLog().debug("Creating ClassLoader for project-dependencies..."); + List classpathFiles = project.getCompileClasspathElements(); + if (scanTestClasses) + classpathFiles.addAll(project.getTestClasspathElements()); + 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); + 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())) - 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); + 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 (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); + { + if (hibernateMapping == null || hibernateMapping.isEmpty()) + throw new MojoFailureException("No annotated classes found in directory " + outputDirectory); + } + else + { + getLog().debug("Detected classes with mapping-annotations:"); + for (Class annotatedClass : classes) + getLog().debug(" " + annotatedClass.getName()); + } + Properties properties = new Properties(); @@ -226,7 +527,7 @@ public class Hbm2DdlMojo extends AbstractMojo properties.load(new FileInputStream(file)); } else - getLog().info("No hibernate-properties-file found! Checked path: " + hibernateProperties); + getLog().info("No hibernate-properties-file found! (Checked path: " + hibernateProperties + ")"); } catch (IOException e) { @@ -234,21 +535,17 @@ public class Hbm2DdlMojo extends AbstractMojo throw new MojoExecutionException(e.getMessage()); } - /** Overwrite values from propertie-file or set, if given */ + /** Overwrite values from properties-file or set, if given */ if (driverClassName != null) { if (properties.containsKey(DRIVER_CLASS)) getLog().debug( "Overwriting property " + DRIVER_CLASS + "=" + properties.getProperty(DRIVER_CLASS) + - " with the value " + driverClassName + - " from the plugin-configuration-parameter driverClassName!" + " with the value " + driverClassName ); else - getLog().debug( - "Using the value " + driverClassName + - " from the plugin-configuration-parameter driverClassName!" - ); + getLog().debug("Using the value " + driverClassName); properties.setProperty(DRIVER_CLASS, driverClassName); } if (url != null) @@ -257,14 +554,10 @@ public class Hbm2DdlMojo extends AbstractMojo getLog().debug( "Overwriting property " + URL + "=" + properties.getProperty(URL) + - " with the value " + url + - " from the plugin-configuration-parameter url!" + " with the value " + url ); else - getLog().debug( - "Using the value " + url + - " from the plugin-configuration-parameter url!" - ); + getLog().debug("Using the value " + url); properties.setProperty(URL, url); } if (username != null) @@ -273,14 +566,10 @@ public class Hbm2DdlMojo extends AbstractMojo getLog().debug( "Overwriting property " + USERNAME + "=" + properties.getProperty(USERNAME) + - " with the value " + username + - " from the plugin-configuration-parameter username!" + " with the value " + username ); else - getLog().debug( - "Using the value " + username + - " from the plugin-configuration-parameter username!" - ); + getLog().debug("Using the value " + username); properties.setProperty(USERNAME, username); } if (password != null) @@ -289,14 +578,10 @@ public class Hbm2DdlMojo extends AbstractMojo getLog().debug( "Overwriting property " + PASSWORD + "=" + properties.getProperty(PASSWORD) + - " with the value " + password + - " from the plugin-configuration-parameter password!" + " with value " + password ); else - getLog().debug( - "Using the value " + password + - " from the plugin-configuration-parameter password!" - ); + getLog().debug("Using value " + password + " for property " + PASSWORD); properties.setProperty(PASSWORD, password); } if (hibernateDialect != null) @@ -305,127 +590,108 @@ public class Hbm2DdlMojo extends AbstractMojo getLog().debug( "Overwriting property " + DIALECT + "=" + properties.getProperty(DIALECT) + - " with the value " + hibernateDialect + - " from the plugin-configuration-parameter hibernateDialect!" + " with value " + hibernateDialect ); else getLog().debug( - "Using the value " + hibernateDialect + - " from the plugin-configuration-parameter hibernateDialect!" - ); + "Using value " + hibernateDialect + " for property " + DIALECT + ); properties.setProperty(DIALECT, hibernateDialect); } - - getLog().info("Gathered hibernate-configuration (turn on debugging for details):"); - if (properties.isEmpty()) + if ( hibernateNamingStrategy != null ) { - getLog().error("No properties set!"); - throw new MojoFailureException("Hibernate-Configuration is missing!"); + if ( properties.contains(NAMING_STRATEGY)) + getLog().debug( + "Overwriting property " + + NAMING_STRATEGY + "=" + properties.getProperty(NAMING_STRATEGY) + + " with value " + hibernateNamingStrategy + ); + else + getLog().debug( + "Using value " + hibernateNamingStrategy + " for property " + + NAMING_STRATEGY + ); + properties.setProperty(NAMING_STRATEGY, hibernateNamingStrategy); } - for (Entry entry : properties.entrySet()) - getLog().info(" " + entry.getKey() + " = " + entry.getValue()); - ClassLoader classLoader = null; - try + /** The generated SQL varies with the dialect! */ + if (md5s.containsKey(DIALECT)) { - 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) + String dialect = properties.getProperty(DIALECT); + if (md5s.get(DIALECT).equals(dialect)) + getLog().debug("SQL-dialect unchanged."); + else { - getLog().debug("Dependency: " + classpathFiles.get(i)); - urls[i] = new File(classpathFiles.get(i)).toURI().toURL(); + 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); + } } - classLoader = new URLClassLoader(urls, getClass().getClassLoader()); } - catch (Exception e) + else { - getLog().error("Error while creating ClassLoader!", e); - throw new MojoExecutionException(e.getMessage()); + String dialect = properties.getProperty(DIALECT); + if (dialect != null) + { + modified = true; + md5s.put(DIALECT, properties.getProperty(DIALECT)); + } } - Configuration config = new Configuration(); - config.setProperties(properties); - try + /** The generated SQL varies with the envers-configuration */ + if (md5s.get(ENVERS) != null) { - getLog().debug("Adding annotated classes to hibernate-mapping-configuration..."); - for (String annotatedClass : classes) + if (md5s.get(ENVERS).equals(Boolean.toString(envers))) + getLog().debug("Envers-Configuration unchanged. Enabled: " + envers); + else { - getLog().debug("Class " + annotatedClass); - config.addAnnotatedClass(classLoader.loadClass(annotatedClass)); + getLog().debug("Envers-Configuration changed. Enabled: " + envers); + modified = true; + md5s.put(ENVERS, Boolean.toString(envers)); } } - catch (ClassNotFoundException e) + else { - getLog().error("Error while adding annotated classes!", e); - throw new MojoExecutionException(e.getMessage()); + modified = true; + md5s.put(ENVERS, Boolean.toString(envers)); } - Target target = null; - try - { - target = Target.valueOf(this.target); - } - 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); - } - catch (IllegalArgumentException e) + if (properties.isEmpty()) { - 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\""); + getLog().error("No properties set!"); + throw new MojoFailureException("Hibernate configuration is missing!"); } - Connection connection = null; - try + final ValidationConfiguration config = new ValidationConfiguration(hibernateDialect); + + config.setProperties(properties); + + if ( properties.containsKey(NAMING_STRATEGY)) { - /** - * The connection must be established outside of hibernate, because - * hibernate does not use the context-classloader of the current - * thread and, hence, would not be able to resolve the driver-class! - */ - switch (target) + String namingStrategy = properties.getProperty(NAMING_STRATEGY); + getLog().debug("Explicitly set NamingStrategy: " + namingStrategy); + try { - case EXPORT: - case BOTH: - switch (type) - { - case CREATE: - case DROP: - case BOTH: - Class driverClass = classLoader.loadClass(driverClassName); - getLog().debug("Registering JDBC-driver " + driverClass.getName()); - DriverManager.registerDriver(new DriverProxy((Driver)driverClass.newInstance())); - getLog().debug("Opening JDBC-connection to " + url + " as " + username + " with password " + password); - connection = DriverManager.getConnection(url, username, password); - } + @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()); } - } - catch (ClassNotFoundException e) - { - getLog().error("Dependency for driver-class " + driverClassName + " is missing!"); - throw new MojoExecutionException(e.getMessage()); - } - catch (Exception e) - { - getLog().error("Cannot establish connection to database!"); - Enumeration drivers = DriverManager.getDrivers(); - if (!drivers.hasMoreElements()) - getLog().error("No drivers registered!"); - while (drivers.hasMoreElements()) - getLog().debug("Driver: " + drivers.nextElement()); - throw new MojoExecutionException(e.getMessage()); } ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader(); + Connection connection = null; MavenLogAppender.startPluginLog(this); try { @@ -435,10 +701,218 @@ public class Hbm2DdlMojo extends AbstractMojo */ Thread.currentThread().setContextClassLoader(classLoader); + 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); + } + + 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); + } + } + + 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 (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; + } + + getLog().info("Gathered hibernate-configuration (turn on debugging for details):"); + for (Entry entry : properties.entrySet()) + getLog().info(" " + entry.getKey() + " = " + entry.getValue()); + + try + { + /** + * The connection must be established outside of hibernate, because + * hibernate does not use the context-classloader of the current + * thread and, hence, would not be able to resolve the driver-class! + */ + getLog().debug("Target: " + target + ", Type: " + type); + switch (target) + { + case EXPORT: + case BOTH: + switch (type) + { + case CREATE: + case DROP: + case BOTH: + Class driverClass = classLoader.loadClass(properties.getProperty(DRIVER_CLASS)); + getLog().debug("Registering JDBC-driver " + driverClass.getName()); + DriverManager.registerDriver(new DriverProxy((Driver)driverClass.newInstance())); + getLog().debug( + "Opening JDBC-connection to " + + properties.getProperty(URL) + + " as " + + properties.getProperty(USERNAME) + + " with password " + + properties.getProperty(PASSWORD) + ); + connection = DriverManager.getConnection( + properties.getProperty(URL), + properties.getProperty(USERNAME), + properties.getProperty(PASSWORD) + ); + } + } + } + catch (ClassNotFoundException e) + { + getLog().error("Dependency for driver-class " + properties.getProperty(DRIVER_CLASS) + " is missing!"); + throw new MojoExecutionException(e.getMessage()); + } + catch (Exception e) + { + getLog().error("Cannot establish connection to database!"); + Enumeration drivers = DriverManager.getDrivers(); + if (!drivers.hasMoreElements()) + getLog().error("No drivers registered!"); + while (drivers.hasMoreElements()) + getLog().debug("Driver: " + drivers.nextElement()); + throw new MojoExecutionException(e.getMessage()); + } + + config.buildMappings(); + + if (envers) + { + getLog().info("Automatic auditing via hibernate-envers enabled!"); + AuditConfiguration.getFor(config); + } + SchemaExport export = new SchemaExport(config, connection); - export.setOutputFile(outputFile); 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()) @@ -455,20 +929,35 @@ public class Hbm2DdlMojo extends AbstractMojo /** Close the connection */ try { - connection.close(); + if (connection != null) + connection.close(); } catch (SQLException e) { getLog().error("Error while closing connection: " + e.getMessage()); } } + + /** 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); + } } /** * 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-from-an-arbitrary-location + * http://stackoverflow.com/questions/288828/how-to-use-a-jdbc-driver-fromodifiedm-an-arbitrary-location */ static final class DriverProxy implements Driver {