Java upload and download notes to Azure storage

Introduction

Upload in Java to Azure storage, This is a memo to download.

Details will be investigated and added.

jar installation (Maven)

pom.xml


    <dependency>
	    <groupId>com.microsoft.azure</groupId>
	    <artifactId>azure-storage</artifactId>
	    <version>5.5.0</version>
	</dependency>

Definition of authentication constant

java


	public static final String storageConnectionString = "DefaultEndpointsProtocol=http;" +
			"AccountName=[AccountName];" +
			"AccountKey=[AcountKey]";

upload

java


    //Upload processing
    private static void upload() throws Exception{
    	CloudBlobContainer container = auth();

    	//Upload processing
    	File file = new File("[Upload file path]");
    	FileInputStream fis = new FileInputStream(file);
    	CloudBlockBlob blockBlob = container.getBlockBlobReference(file.getName());
    	blockBlob.upload(fis, file.length());

    	fis.close();
    }

download

java


    //Download processing
    private static void download() throws Exception{
    	CloudBlobContainer container = auth();

    	//Download processing
    	String uploadName = "[Download file name]";
    	CloudBlockBlob blockBlob = container.getBlockBlobReference(uploadName);

    	String downloadPath = "[Download file path]";
    	FileOutputStream fos = new FileOutputStream(new File(downloadPath));
    	blockBlob.download(fos);

    	fos.close();
    }

When running in a proxy environment

If you execute it as it is, it will time out, so You need to set proxy in jvm. Specify the following parameters and execute.

option


-Dhttp.proxyHost=[proxyHost] -Dhttp.proxyPort=[proxyPort]

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