/*
    * Copyright (C) 2012-2024 RRiBbit.org
    *
    * 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
    *
    * https://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.rribbit;
  
  import java.lang.reflect.Method;
  import java.util.List;
  
  /**
   * This class represents an executable {@link Listener}. All the details of the {@link Listener} annotation, the method that it's declared on and the target object are stored, so that RRiBbit
   * has a ready-made object to execute when it receives a request that matches a {@link Listener}. Mainly used for internal processing of requests and responses, not for users of the RRiBbit library.
   *
   * @author G.J. Schouten
   *
   */
  public class ListenerObject {
  
  	private Object target;
  	private Method method;
  
  	private Class<?> returnType;
  	private List<String> hints;
  
  	//For lazy toString() implementation
  	private String description;
  
  	public Object getTarget() {
  		return target;
  	}
  
  	public void setTarget(Object target) {
  		this.target = target;
  	}
  
  	public Method getMethod() {
  		return method;
  	}
  
  	public void setMethod(Method method) {
  		this.method = method;
  	}
  
  	public Class<?> getReturnType() {
  		return returnType;
  	}
  
  	public void setReturnType(Class<?> returnType) {
  		this.returnType = returnType;
  	}
  
  	public List<String> getHints() {
  		return hints;
  	}
  
  	public void setHints(List<String> hints) {
  		this.hints = hints;
  	}
  
  	@Override
  	public String toString() {
  
  		if(description == null) {
  			StringBuilder s = new StringBuilder("ListenerObject of method: '" + method + "', with hints: '" + hints.get(0) + "'");
  			for(int i=1; i<hints.size(); i++) {
  				s.append(", '" + hints.get(i) + "'");
  			}
  			description = s.toString();
  		}
  		return description;
  	}
  }