io.ebeaninternal.server.core.bootup.BootupClassPathSearch Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of ebean Show documentation

composite of common runtime dependencies for all platforms

There is a newer version: 15.8.1

package io.ebeaninternal.server.core.bootup;

import io.ebean.config.ServerConfig;
import io.ebeaninternal.server.core.ClassPathScanners;
import org.avaje.classpath.scanner.ClassPathScanner;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.List;
import java.util.Set;

/**
 * Searches for interesting classes such as Entities, Embedded and ScalarTypes.
 */
public class BootupClassPathSearch {

  private static final Logger logger = LoggerFactory.getLogger(BootupClassPathSearch.class);

  private final List packages;

  private final List scanners;

  /**
   * Search the classPath for the classes we are interested in returning
   * them as BootupClasses.
   */
  public static BootupClasses search(ServerConfig serverConfig) {

    return new BootupClassPathSearch(serverConfig).getBootupClasses();
  }

  private BootupClassPathSearch(ServerConfig serverConfig) {

    // find packages defined in ebean.mf resources
    Set mfPackages = ManifestReader.create(serverConfig.getClassLoadConfig().getClassLoader())
      .read("META-INF/ebean.mf")
      .read("ebean.mf")
      .entityPackages();

    this.packages = DistillPackages.distill(serverConfig.getPackages(), mfPackages);
    this.scanners = ClassPathScanners.find(serverConfig);
  }

  /**
   * Search the classPath for the classes we are interested in.
   */
  private BootupClasses getBootupClasses() {

    try {
      BootupClasses bc = new BootupClasses();

      long st = System.currentTimeMillis();
      for (ClassPathScanner finder : this.scanners) {
        if (packages != null && !packages.isEmpty()) {
          for (String packageName : packages) {
            finder.scanForClasses(packageName, bc);
          }
        } else {
          // scan locally
          finder.scanForClasses("", bc);
        }
      }

      long searchTime = System.currentTimeMillis() - st;
      logger.debug("Classpath search entities[{}] searchTime[{}] in packages[{}]", bc.getEntities().size(), searchTime, packages);
      return bc;

    } catch (Exception ex) {
      throw new RuntimeException("Error in classpath search (looking for entities etc)", ex);
    }
  }

}