Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.migo.oss; import com.migo.utils.DateUtils; import org.apache.commons.lang.StringUtils; import java.io.InputStream; import java.util.Date; import java.util.UUID; /** * (???) * * @author * @email fei6751803@163.com */ public abstract class CloudStorageService { /** ?? */ CloudStorageConfig config; /** * * @param prefix ? * @return */ public String getPath(String prefix) { //?uuid String uuid = UUID.randomUUID().toString().replaceAll("-", ""); // String path = DateUtils.format(new Date(), "yyyyMMdd") + "/" + uuid; if (StringUtils.isNotBlank(prefix)) { path = prefix + "/" + path; } return path; } /** * * @param data * @param path ??? * @return http? */ public abstract String upload(byte[] data, String path); /** * * @param data * @return http? */ public abstract String upload(byte[] data); /** * * @param inputStream ? * @param path ??? * @return http? */ public abstract String upload(InputStream inputStream, String path); /** * * @param inputStream ? * @return http? */ public abstract String upload(InputStream inputStream); }