package org_scala_tools_maven_cs;
   
   import org.apache.maven.plugin.MojoFailureException;
   
   import org_scala_tools_maven.ScalaMojoSupport;
   
   abstract public class ScalaCSMojoSupport extends ScalaMojoSupport {
   
       /**
       * If you want to use an other groupId of scalacs than the default one.
       *
       * @parameter expression="${scalacs.groupId}"
       */
      protected String csGroupId = "net.alchim31";
  
      /**
       * If you want to use an other artifactId of scalacs than the default one.
       *
       * @parameter expression="${scalacs.artifactId}"
       */
      protected String csArtifactId = "scalacs";
  
      /**
       * If you want to use an other version of scalacs than the default one.
       *
       * @parameter expression="${maven.scalacs.version}"
       */
      protected String csVersion = "0.2";
  
      protected ScalacsClient scs;
  
      @Override
      final protected void doExecute() throws Exception {
          scs = new ScalacsClient(this, csGroupId, csArtifactId, csVersion, jvmArgs);
          String output = doRequest().toString();
          //TODO use parser and maven logger to print (and find warning, error,...)
          //TODO use Stream instead of String to allow progressive display (when scalacs will support it)
          System.out.println(output);
          if (output.contains("-ERROR")) {
              throw new MojoFailureException("ScalaCS reply with ERRORs");
          }
      }
  
      protected abstract CharSequence doRequest() throws Exception;
  
      protected String projectNamePattern() throws Exception {
          return project.getArtifactId() + "-" + project.getVersion() + "/.*";
      }
  }