Java tutorial
/* Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. The MIT License (MIT) Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.microsoftopentechnologies.azchat.web.dao; import java.io.ByteArrayInputStream; import java.io.InputStream; import java.net.URI; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.springframework.stereotype.Service; import org.springframework.web.multipart.MultipartFile; import com.microsoft.azure.storage.blob.CloudBlobContainer; import com.microsoft.azure.storage.blob.CloudBlockBlob; import com.microsoftopentechnologies.azchat.web.common.utils.AzureChatConstants; import com.microsoftopentechnologies.azchat.web.common.utils.AzureChatStorageUtils; /** * Implementation class for the ProfileImageRequestDAO.This class provides * operations for the save,retrieve user profile image. * * @author Rupesh_Shirude * */ @Service("profileImageRequestDAO") public class ProfileImageRequestDAOImpl implements ProfileImageRequestDAO { private static final Logger LOGGER = LogManager.getLogger(ProfileImageRequestDAOImpl.class); /** * This method add the image to the profile image storage for the * corresponding user. */ @Override public String saveProfileImage(MultipartFile file, String fileName) throws Exception { LOGGER.info("[ProfileImageRequestDAOImpl][saveProfileImage] start"); LOGGER.debug("File Name : " + fileName); InputStream inputStream = null; URI profileImageBLOBUrl = null; byte[] byteArr = null; byteArr = file.getBytes(); inputStream = new ByteArrayInputStream(byteArr); CloudBlobContainer cloudBlobContainer = AzureChatStorageUtils .getCloudBlobContainer(AzureChatConstants.PROFILE_IMAGE_CONTAINER); AzureChatStorageUtils.generateSASURL(cloudBlobContainer); CloudBlockBlob blob = cloudBlobContainer.getBlockBlobReference(fileName); blob.getProperties().setContentType(file.getContentType()); blob.upload(inputStream, byteArr.length); profileImageBLOBUrl = blob.getUri(); LOGGER.debug("Profile Blob URL: " + profileImageBLOBUrl); LOGGER.info("[ProfileImageRequestDAOImpl][saveProfileImage] end"); return profileImageBLOBUrl + AzureChatConstants.CONSTANT_EMPTY_STRING; } /** * This method retrieves the private access signature. */ @Override public String getSignatureForPrivateAccess() throws Exception { CloudBlobContainer cloudBlobContainer = AzureChatStorageUtils .getCloudBlobContainer(AzureChatConstants.PROFILE_IMAGE_CONTAINER); String signature = AzureChatStorageUtils.generateSASURL(cloudBlobContainer); return signature; } /** * This method adds the image to the azure storage. */ @Override public String savePhoto(MultipartFile file, String fileName) throws Exception { LOGGER.info("[ProfileImageRequestDAOImpl][savePhoto] start"); LOGGER.debug("File Name : " + fileName); InputStream inputStream = null; URI profileImageBLOBUrl = null; byte[] byteArr = null; byteArr = file.getBytes(); inputStream = new ByteArrayInputStream(byteArr); CloudBlobContainer cloudBlobContainer = AzureChatStorageUtils .getCloudBlobContainer(AzureChatConstants.PHOTO_UPLOAD_CONTAINER); AzureChatStorageUtils.generateSASURL(cloudBlobContainer); CloudBlockBlob blob = cloudBlobContainer.getBlockBlobReference(fileName); blob.getProperties().setContentType(file.getContentType()); blob.upload(inputStream, byteArr.length); profileImageBLOBUrl = blob.getUri(); LOGGER.debug("Profile Blob URL: " + profileImageBLOBUrl); LOGGER.info("[ProfileImageRequestDAOImpl][savePhoto] end"); return profileImageBLOBUrl + AzureChatConstants.CONSTANT_EMPTY_STRING; } /** * This method save/add the video to the temporary azure storage. */ @Override public String saveTempVideo(MultipartFile file, String fileName) throws Exception { LOGGER.info("[ProfileImageRequestDAOImpl][saveTempVideo] start"); LOGGER.debug("File Name : " + fileName); InputStream inputStream = null; URI profileImageBLOBUrl = null; byte[] byteArr = null; byteArr = file.getBytes(); inputStream = new ByteArrayInputStream(byteArr); CloudBlobContainer cloudBlobContainer = AzureChatStorageUtils .getCloudBlobContainer(AzureChatConstants.TEMP_UPLOAD_CONTAINER); AzureChatStorageUtils.generateSASURL(cloudBlobContainer); CloudBlockBlob blob = cloudBlobContainer.getBlockBlobReference(fileName); blob.getProperties().setContentType(file.getContentType()); blob.upload(inputStream, byteArr.length); profileImageBLOBUrl = blob.getUri(); LOGGER.debug("Profile Blob URL: " + profileImageBLOBUrl); LOGGER.info("[ProfileImageRequestDAOImpl][saveTempVideo] end"); return profileImageBLOBUrl + AzureChatConstants.CONSTANT_EMPTY_STRING; } /** * This method deletes the user profile image from azure storage. */ @Override public void deletePhoto(String fileName) throws Exception { LOGGER.info("[ProfileImageRequestDAoImpl][deletePhoto] start"); CloudBlobContainer cloudBlobContainer = AzureChatStorageUtils .getCloudBlobContainer(AzureChatConstants.PHOTO_UPLOAD_CONTAINER); CloudBlockBlob blob = cloudBlobContainer.getBlockBlobReference(fileName); if (blob != null) { blob.deleteIfExists(); } LOGGER.info("[ProfileImageRequestDAoImpl][deletePhoto] end"); } }