/*
    * copy-rename-maven-plugin
    *
    * Copyright (c) 2014 Aneesh Joseph
    * Copyright 2023 Christian Kohlschütter
    *
    * SPDX-Identifier: MIT
    */
   package com.kohlschutter.mavenplugins.copyrename;
  
  import java.util.function.Supplier;
  
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.logging.Log;
  
  /**
   * Helper class to simplify logging and encapsulating the execution context.
   *
   * @author Christian Kohlschütter
   */
  abstract class MojoExecutionContext {
    private final Log log; // NOPMD.ProperLogger
  
    protected MojoExecutionContext(AbstractMojo mojo) {
      this.log = mojo.getLog();
    }
  
    public abstract void execute() throws MojoExecutionException;
  
    protected void logDebug(Object... msg) {
      if (log.isDebugEnabled()) {
        log.debug(concatenate(msg));
      }
    }
  
    protected void logInfo(Object... msg) {
      if (log.isInfoEnabled()) {
        log.info(concatenate(msg));
      }
    }
  
    protected void logWarn(Object... msg) {
      if (log.isWarnEnabled()) {
        log.warn(concatenate(msg));
      }
    }
  
    protected void logError(Object... msg) {
      if (log.isErrorEnabled()) {
        log.error(concatenate(msg));
      }
    }
  
    private static String concatenate(Object... parts) {
      switch (parts.length) {
        case 0:
          return "";
        case 1:
          Object p1 = parts[0];
          if (p1 instanceof Supplier<?>) {
            p1 = ((Supplier<?>) p1).get();
          }
          return String.valueOf(p1);
        default:
          StringBuilder sb = new StringBuilder();
          for (Object p : parts) {
            if (p instanceof Supplier<?>) {
              p = ((Supplier<?>) p).get(); // NOPMD.AvoidReassigningLoopVariables
            }
            sb.append(p);
          }
          return sb.toString();
      }
    }
  }