/*******************************************************************************
 * 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.cache.disc.naming;

/**
 * Names image file as image URI {@linkplain String#hashCode() hashcode}
 *
 * @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
 * @since 1.3.1
 */
public class HashCodeFileNameGenerator implements FileNameGenerator {
	@Override
	public String generate(String imageUri) {
		if(imageUri.contains("tsha1")){
			String sha1 = imageUri.substring(imageUri.lastIndexOf("tsha1=")+"tsha1".length()+1);
			return sha1;
		
		}
		return String.valueOf(imageUri.hashCode());
	}
}
