com.vnet.demo.service.AzureStorgeService.java Source code

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Here is the source code for com.vnet.demo.service.AzureStorgeService.java

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/*
 * Copyright (c) 2015-2020, Chen Rui
 *
 * 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.vnet.demo.service;

import com.microsoft.azure.storage.StorageException;
import com.microsoft.azure.storage.blob.CloudBlockBlob;
import com.vnet.demo.dao.StorageDao;
import com.vnet.demo.entity.Storage;
import com.vnet.demo.service.azure.storage.AzureStorageServiceFactory;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;

/**
 * Azure Storage Manage Service
 * access azure storage data, search, upload and download file from azure storage
 *
 * @author Chen Rui
 */
@Service
public class AzureStorgeService {

    @Autowired
    AzureStorageServiceFactory storageSessionFactory;

    @Autowired
    StorageDao storageDao;

    public Storage uploadBlobImage(File file) throws IOException {
        String name = file.getName();
        Storage storage = this.uploadBlobFile(new FileInputStream(file), name, file.length());
        return storage;
    }

    public Storage uploadBlobImage(InputStream inpustream, String name, Long length) throws IOException {
        String newPath = storageSessionFactory.pubFileToStorage(inpustream, name, length);
        String type = name.substring(name.lastIndexOf(".") + 1);
        Storage storage = new Storage();
        storage.setOriginalName(name);
        storage.setPath(newPath);
        storage.setType(type);
        storage.setIsPub(true);
        storageDao.save(storage);
        return storage;
    }

    public Storage uploadBlobFile(File file) throws IOException {
        String name = file.getName();
        Storage storage = this.uploadBlobFile(new FileInputStream(file), name, file.length());
        return storage;
    }

    public Storage uploadBlobFile(InputStream inpustream, String name, Long length) {
        String newPath = storageSessionFactory.pubFileToStorage(inpustream, name, length);
        String type = name.substring(name.lastIndexOf(".") + 1);
        Storage storage = new Storage();
        storage.setOriginalName(name);
        storage.setPath(newPath);
        storage.setType(type);
        storage.setIsPub(false);
        storageDao.save(storage);
        return storage;
    }

    /**
     * check file is exsit in azure storgae contain
     *
     * @param id
     * @return
     */
    public boolean checkFileExist(Long id) {
        Storage storage = storageDao.findById(id);
        try {
            if (storage.getIsPub()) {
                CloudBlockBlob blob = storageSessionFactory.getPubContainer()
                        .getBlockBlobReference(storage.getPath());
                return blob.exists();
            } else {
                CloudBlockBlob blob = storageSessionFactory.getPrivateContainer()
                        .getBlockBlobReference(storage.getPath());
                return blob.exists();
            }
        } catch (URISyntaxException e) {
            e.printStackTrace();
        } catch (StorageException e) {
            e.printStackTrace();
        }
        return false;
    }

    public String getPubAccessUrl() {
        return storageSessionFactory.getPublicAccessUrl();
    }

    public String getPrivateAccessUrl(String containName) {
        return storageSessionFactory.getPrivateAccessUrl();
    }

}