content: /*******************************************************************************
   * Copyright 2011-2013 Sergey Tarasevich
   *
   * 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 com.nostra13.universalimageloader.core.assist;
  
  /**
   * Presents the reason why image loading and displaying was failed
   *
   * @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
   * @since 1.0.0
   */
  public class FailReason {
  
  	private final FailType type;
  
  	private final Throwable cause;
  
  	public FailReason(FailType type, Throwable cause) {
  		this.type = type;
  		this.cause = cause;
  	}
  
  	/** @return {@linkplain FailType Fail type} */
  	public FailType getType() {
  		return type;
  	}
  
  	/** @return Thrown exception/error, can be <b>null</b> */
  	public Throwable getCause() {
  		return cause;
  	}
  
  	/** Presents type of fail while image loading */
  	public static enum FailType {
  		/** Input/output error. Can be caused by network communication fail or error while caching image on file system. */
  		IO_ERROR,
  		/**
  		 * Error while
  		 * {@linkplain android.graphics.BitmapFactory#decodeStream(java.io.InputStream, android.graphics.Rect, android.graphics.BitmapFactory.Options)
  		 * decode image to Bitmap}
  		 */
  		DECODING_ERROR,
  		/**
  		 * {@linkplain com.nostra13.universalimageloader.core.ImageLoader#denyNetworkDownloads(boolean) Network
  		 * downloads are denied} and requested image wasn't cached in disk cache before.
  		 */
  		NETWORK_DENIED,
  		/** Not enough memory to create needed Bitmap for image */
  		OUT_OF_MEMORY,
  		/** Unknown error was occurred while loading image */
  		UNKNOWN
  	}
  }