Logger.groovy

#!groovy
 
/*
 * This work is protected under copyright law in the Kingdom of
 * The Netherlands. The rules of the Berne Convention for the
 * Protection of Literary and Artistic Works apply.
 * Digital Me B.V. is the copyright owner.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
package org.jenkins.ci.lazy
 
class Logger implements Serializable { 

  // Define property for log levels (default first for parameter choice)
  private static final Map levels = [
    INFO:   2,
    TRACE:  0,
    DEBUG:  1,
    WARN:   3,
    ERROR:  4,
    FATAL:  5,
  ]
  private static String globalLevel = 'INFO'
  private final String level = null

  // Define field for caller class and its name
  private caller = null
  final String name = null

  public Logger (caller, level = null) {
    this.caller = caller
    this.name = caller.class.name
    if (level) {
      this.level = level
    }
  }

    // Getter for all levels
    public List getLevels() {
    return levels.keySet() as List
  }

  // Setter for global shared level
  public void setLevel(level) {
    this.globalLevel = level
  }

  // Getter for active level
  public String getLevel() {
    return this.level ? this.level : globalLevel
  }

  public void trace(sub = null, msg) {
    log(sub, msg, 'TRACE')
  }

  public void debug(sub = null, msg) {
    log(sub, msg, 'DEBUG')
  }

  public void info(sub = null, msg) {
    log(sub, msg, 'INFO')
  }

  public void warn(sub = null, msg) {
    log(sub, msg, 'WARN')
  }

  public void error(sub = null, msg) {
    log(sub, msg, 'ERROR')
  }

  public void fatal(sub = null, msg) {
    log(sub, msg, 'FATAL')
  }

  private void log(sub = null, msg, level) {
    if (levels[level] >= levels[getLevel()]) {
      caller.echo "${level} ${name}" + (sub ? "[${sub}]" : "") + " - ${msg}"
    }
  }
}