added AbstractRepositoryHandler to scm.core

scm-core/src/main/java/sonia/scm/repository/AbstractRepositoryHandler.java

@@ -0,0 +1,169 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+
+
+package sonia.scm.repository;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import sonia.scm.SCMContextProvider;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+import java.io.IOException;
+
+import java.util.Date;
+import java.util.UUID;
+
+import javax.xml.bind.JAXB;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ *
+ * @param <C>
+ */
+public abstract class AbstractRepositoryHandler<C> implements RepositoryHandler
+{
+
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   *
+   * @return
+   */
+  protected abstract String buildUrl(Repository repository);
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  protected abstract Class<C> getConfigClass();
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Override
+  public void close() throws IOException
+  {
+
+    // do nothing
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param context
+   */
+  @Override
+  public void init(SCMContextProvider context)
+  {
+    String name = getType().getName();
+
+    configFile =
+      new File(context.getBaseDirectory(),
+               "config".concat(File.separator).concat(name).concat(".xml"));
+    loadConfig();
+  }
+
+  /**
+   * Method description
+   *
+   */
+  public void loadConfig()
+  {
+    if (configFile.exists())
+    {
+      config = JAXB.unmarshal(configFile, getConfigClass());
+    }
+  }
+
+  /**
+   * Method description
+   *
+   */
+  public void storeConfig()
+  {
+    if (config != null)
+    {
+      JAXB.marshal(config, configFile);
+    }
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public C getConfig()
+  {
+    return config;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  @Override
+  public boolean isConfigured()
+  {
+    return config != null;
+  }
+
+  //~--- set methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param config
+   */
+  public void setConfig(C config)
+  {
+    this.config = config;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   */
+  protected void initNewRepository(Repository repository)
+  {
+    repository.setId(UUID.randomUUID().toString());
+    repository.setUrl(buildUrl(repository));
+    repository.setCreationDate(new Date());
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  protected C config;
+
+  /** Field description */
+  protected File configFile;
+}