FormattingTuple.java

package com.chamago.bison.logger.helper;

public class FormattingTuple
{
  public static FormattingTuple NULL = new FormattingTuple(null);
  private String message;
  private Throwable throwable;
  private Object[] argArray;

  public FormattingTuple(String message)
  {
    this(message, null, null);
  }

  public FormattingTuple(String message, Object[] argArray, Throwable throwable) {
    this.message = message;
    this.throwable = throwable;
    if (throwable == null)
      this.argArray = argArray;
    else
      this.argArray = trimmedCopy(argArray);
  }

  static Object[] trimmedCopy(Object[] argArray)
  {
    if ((argArray == null) || (argArray.length == 0)) {
      throw new IllegalStateException("non-sensical empty or null argument array");
    }
    int trimemdLen = argArray.length - 1;
    Object[] trimmed = new Object[trimemdLen];
    System.arraycopy(argArray, 0, trimmed, 0, trimemdLen);
    return trimmed;
  }

  public String getMessage() {
    return this.message;
  }

  public Object[] getArgArray() {
    return this.argArray;
  }

  public Throwable getThrowable() {
    return this.throwable;
  }
}