de.dagere.kopeme.KoPeMeConfiguration Maven / Gradle / Ivy

Go to download
package de.dagere.kopeme;

import java.io.File;

import de.dagere.kopeme.parsing.BuildtoolProjectNameReader;

/**
 * Configuration Singleton class which can return the projectname of the current project, set by VM parameter or project model files (e.g. pom.xml)
 * 
 * @author dhaeb
 *
 */
public class KoPeMeConfiguration {

   private static KoPeMeConfiguration INSTANCE = null;

   /**
    * The public interface to retrieve the configuration instance.
    * 
    * @return
    */
   public static synchronized KoPeMeConfiguration getInstance() {
      if (INSTANCE == null) {
         INSTANCE = new KoPeMeConfiguration();
      }
      return INSTANCE;
   }

   /**
    * Default projectname if no VM parameter is given or no pom.xml can be extracted.
    */
   public final static String DEFAULT_PROJECTNAME = "default";

   /**
    * VM property name for the projectname. If given, this property will be used, regardless if there exists a pom.xml
    */
   static final String KOPEME_PROJECTNAME_PROPNAME = "kopeme.projectname";

   /**
    * VM property name for the depth, who many filde kopeme should maximal go up to find the project config file (e.g. pom.xml)
    */
   static final String KOPEME_SEARCHDEPTH_PROPNAME = "kopeme.searchdepth";

   /**
    * VM proeprty name for specify the working dir of the current project, the default is .
    */
   static final String KOPEME_WORKINGDIR_PROPNAME = "kopeme.workingdir";

   private String projectName;

   /**
    * package scope for testing purposes
    */
   KoPeMeConfiguration() {
      projectName = System.getProperty(KOPEME_PROJECTNAME_PROPNAME);
      File workingDir = new File(getWorkingDirAsString());
      int searchDepth = getIntSystemProperty(KOPEME_SEARCHDEPTH_PROPNAME, 10);
      if (projectName == null) {
         BuildtoolProjectNameReader reader = new BuildtoolProjectNameReader();
         if (reader.searchBuildfile(workingDir, searchDepth)) {
            projectName = reader.getProjectName();
         } else {
            projectName = DEFAULT_PROJECTNAME;
         }
      }
   }

   private String getWorkingDirAsString() {
      if (AndroidConfiguration.read(KOPEME_WORKINGDIR_PROPNAME) != null) {
         return AndroidConfiguration.read(KOPEME_WORKINGDIR_PROPNAME);
      } else {
         return System.getProperty(KOPEME_WORKINGDIR_PROPNAME, new File(".").getAbsolutePath());
      }
   }

   private int getIntSystemProperty(final String propName, final int defaultValue) {
      String propertyValue = System.getProperty(propName);
      try {
         return Integer.parseInt(propertyValue);
      } catch (NumberFormatException e) {
         return defaultValue;
      }
   }

   public String getProjectName() {
      return projectName;
   }

   public void setProjectName(final String projectName) {
      this.projectName = projectName;
   }
}