1  /*
     2   * Copyright the original author or authors.
     3   * 
     4   * Licensed under the MOZILLA PUBLIC LICENSE, Version 1.1 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   * 
     8   *      http://www.mozilla.org/MPL/MPL-1.1.html
     9   * 
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  import org.as2lib.core.BasicClass;
    18  import org.as2lib.util.Stringifier;
    19  import org.as2lib.env.log.LogMessage;
    20  
    21  /**
    22   * {@code AbstractLogHandler} provides methods that are commonly needed by
    23   * {@link LogHandler} implementations.
    24   * 
    25   * @author Simon Wacker
    26   */
    27  class org.as2lib.env.log.handler.AbstractLogHandler extends BasicClass {
    28  	
    29  	/** The log message stringifier. */
    30  	private var messageStringifier:Stringifier;
    31  	
    32  	/**	
    33  	 * Constructs a new {@code AbstractLogHandler} instance.
    34  	 * 
    35  	 * @param messageStringifier (optional) the log message stringifier to use
    36  	 */
    37  	public function AbstractLogHandler(messageStringifier:Stringifier) {
    38  		this.messageStringifier = messageStringifier;
    39  	}
    40  	
    41  	/**
    42  	 * Converts the passed-in {@code message} into a string.
    43  	 * 
    44  	 * <p>If the message stringifier set on construction is not {@code null} nor
    45  	 * {@code undefined}, it will be used for conversion. Otherwise the
    46  	 * {@code toString} method of the passed-in {@code message} will be used.
    47  	 * 
    48  	 * @param message the log message to convert
    49  	 * @return the string representation of the passed-in {@code message}
    50  	 */
    51  	private function convertMessage(message:LogMessage):String {
    52  		if (this.messageStringifier) {
    53  			return this.messageStringifier.execute(message);
    54  		}
    55  		return message.toString();
    56  	}
    57  	
    58  }