[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M71BGXMMJD0V1RVPFNEEWPG7":3,"skill-same:01M71BGXMMJD0V1RVPFNEEWPG7":79},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":16,"categories":17,"keywords":18,"publishedAt":39,"linkOnly":40,"markdownContent":41,"markdownBody":42,"frontMatter":43,"refName":48,"commitSha":49,"skillDirectory":50,"forksCount":51,"repositoryHtmlUrl":52,"repositoryHomepageUrl":6,"ownerHtmlUrl":53,"ownerBlogUrl":6,"ownerDescription":6,"updatedAt":54,"install":55,"resources":68},"01M71BGXMMJD0V1RVPFNEEWPG7","azure-storage-blob-java",null,"Build blob storage applications with Azure Storage Blob SDK for Java. Use when uploading, downloading, or managing files in Azure Blob Storage, working with containers, or implementing streaming data operations.","strmt7\u002Fai_skills_collection_benchmarked","strmt7","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F28989754?v=4","01M71929P914SWKQ7QJV24NBBY","Stratos","01M71929Q9VGKQ7PWYR95VSQQQ",1,"MIT","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Fcloud-azure-microsoft-sdks\u002Fofficial-vendor-reference\u002Fazure-storage-blob-java\u002FSKILL.md",[],[19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38],"storage","azure storage","azure","azure storage blob java","java","blob","when","containers","blob storage","for","implementing","with","azure blob storage","build","files","use","operations","applications","data","streaming","2026-11-10 10:12:30",false,"---\nname: azure-storage-blob-java\ndescription: Build blob storage applications with Azure Storage Blob SDK for Java. Use when uploading, downloading, or managing files in Azure Blob Storage, working with containers, or implementing streaming data operations.\nlicense: MIT\nmetadata:\n  author: Microsoft\n  version: \"1.0.0\"\n  package: com.azure:azure-storage-blob\n---\n\n# Azure Storage Blob SDK for Java\n\nBuild blob storage applications using the Azure Storage Blob SDK for Java.\n\n## Installation\n\n```xml\n\u003Cdependency>\n    \u003CgroupId>com.azure\u003C\u002FgroupId>\n    \u003CartifactId>azure-storage-blob\u003C\u002FartifactId>\n    \u003Cversion>12.33.0\u003C\u002Fversion>\n\u003C\u002Fdependency>\n```\n\n## Client Creation\n\n### BlobServiceClient\n\n```java\nimport com.azure.storage.blob.BlobServiceClient;\nimport com.azure.storage.blob.BlobServiceClientBuilder;\n\n\u002F\u002F With SAS token\nBlobServiceClient serviceClient = new BlobServiceClientBuilder()\n    .endpoint(\"\u003Cstorage-account-url>\")\n    .sasToken(\"\u003Csas-token>\")\n    .buildClient();\n\n\u002F\u002F With connection string\nBlobServiceClient serviceClient = new BlobServiceClientBuilder()\n    .connectionString(\"\u003Cconnection-string>\")\n    .buildClient();\n```\n\n### With DefaultAzureCredential\n\n```java\nimport com.azure.identity.DefaultAzureCredentialBuilder;\n\nBlobServiceClient serviceClient = new BlobServiceClientBuilder()\n    .endpoint(\"\u003Cstorage-account-url>\")\n    .credential(new DefaultAzureCredentialBuilder().build())\n    .buildClient();\n```\n\n### BlobContainerClient\n\n```java\nimport com.azure.storage.blob.BlobContainerClient;\n\n\u002F\u002F From service client\nBlobContainerClient containerClient = serviceClient.getBlobContainerClient(\"mycontainer\");\n\n\u002F\u002F Direct construction\nBlobContainerClient containerClient = new BlobContainerClientBuilder()\n    .connectionString(\"\u003Cconnection-string>\")\n    .containerName(\"mycontainer\")\n    .buildClient();\n```\n\n### BlobClient\n\n```java\nimport com.azure.storage.blob.BlobClient;\n\n\u002F\u002F From container client\nBlobClient blobClient = containerClient.getBlobClient(\"myblob.txt\");\n\n\u002F\u002F With directory structure\nBlobClient blobClient = containerClient.getBlobClient(\"folder\u002Fsubfolder\u002Fmyblob.txt\");\n\n\u002F\u002F Direct construction\nBlobClient blobClient = new BlobClientBuilder()\n    .connectionString(\"\u003Cconnection-string>\")\n    .containerName(\"mycontainer\")\n    .blobName(\"myblob.txt\")\n    .buildClient();\n```\n\n## Core Patterns\n\n### Create Container\n\n```java\n\u002F\u002F Create container\nserviceClient.createBlobContainer(\"mycontainer\");\n\n\u002F\u002F Create if not exists\nBlobContainerClient container = serviceClient.createBlobContainerIfNotExists(\"mycontainer\");\n\n\u002F\u002F From container client\ncontainerClient.create();\ncontainerClient.createIfNotExists();\n```\n\n### Upload Data\n\n```java\nimport com.azure.core.util.BinaryData;\n\n\u002F\u002F Upload string\nString data = \"Hello, Azure Blob Storage!\";\nblobClient.upload(BinaryData.fromString(data));\n\n\u002F\u002F Upload with overwrite\nblobClient.upload(BinaryData.fromString(data), true);\n```\n\n### Upload from File\n\n```java\nblobClient.uploadFromFile(\"local-file.txt\");\n\n\u002F\u002F With overwrite\nblobClient.uploadFromFile(\"local-file.txt\", true);\n```\n\n### Upload from Stream\n\n```java\nimport com.azure.storage.blob.specialized.BlockBlobClient;\n\nBlockBlobClient blockBlobClient = blobClient.getBlockBlobClient();\n\ntry (ByteArrayInputStream dataStream = new ByteArrayInputStream(data.getBytes())) {\n    blockBlobClient.upload(dataStream, data.length());\n}\n```\n\n### Upload with Options\n\n```java\nimport com.azure.storage.blob.models.BlobHttpHeaders;\nimport com.azure.storage.blob.options.BlobParallelUploadOptions;\n\nBlobHttpHeaders headers = new BlobHttpHeaders()\n    .setContentType(\"text\u002Fplain\")\n    .setCacheControl(\"max-age=3600\");\n\nMap\u003CString, String> metadata = Map.of(\"author\", \"john\", \"version\", \"1.0\");\n\ntry (InputStream stream = new FileInputStream(\"large-file.bin\")) {\n    BlobParallelUploadOptions options = new BlobParallelUploadOptions(stream)\n        .setHeaders(headers)\n        .setMetadata(metadata);\n\n    blobClient.uploadWithResponse(options, null, Context.NONE);\n}\n```\n\n### Upload if Not Exists\n\n```java\nimport com.azure.storage.blob.models.BlobRequestConditions;\n\nBlobParallelUploadOptions options = new BlobParallelUploadOptions(inputStream, length)\n    .setRequestConditions(new BlobRequestConditions().setIfNoneMatch(\"*\"));\n\nblobClient.uploadWithResponse(options, null, Context.NONE);\n```\n\n### Download Data\n\n```java\n\u002F\u002F Download to BinaryData\nBinaryData content = blobClient.downloadContent();\nString text = content.toString();\n\n\u002F\u002F Download to file\nblobClient.downloadToFile(\"downloaded-file.txt\");\n```\n\n### Download to Stream\n\n```java\ntry (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {\n    blobClient.downloadStream(outputStream);\n    byte[] data = outputStream.toByteArray();\n}\n```\n\n### Download with InputStream\n\n```java\nimport com.azure.storage.blob.specialized.BlobInputStream;\n\ntry (BlobInputStream blobIS = blobClient.openInputStream()) {\n    byte[] buffer = new byte[1024];\n    int bytesRead;\n    while ((bytesRead = blobIS.read(buffer)) != -1) {\n        \u002F\u002F Process buffer\n    }\n}\n```\n\n### Upload via OutputStream\n\n```java\nimport com.azure.storage.blob.specialized.BlobOutputStream;\n\ntry (BlobOutputStream blobOS = blobClient.getBlockBlobClient().getBlobOutputStream()) {\n    blobOS.write(\"Data to upload\".getBytes());\n}\n```\n\n### List Blobs\n\n```java\nimport com.azure.storage.blob.models.BlobItem;\n\n\u002F\u002F List all blobs\nfor (BlobItem blobItem : containerClient.listBlobs()) {\n    System.out.println(\"Blob: \" + blobItem.getName());\n}\n\n\u002F\u002F List with prefix (virtual directory)\nimport com.azure.storage.blob.models.ListBlobsOptions;\n\nListBlobsOptions options = new ListBlobsOptions().setPrefix(\"folder\u002F\");\nfor (BlobItem blobItem : containerClient.listBlobs(options, null)) {\n    System.out.println(\"Blob: \" + blobItem.getName());\n}\n```\n\n### List Blobs by Hierarchy\n\n```java\nimport com.azure.storage.blob.models.BlobListDetails;\n\nString delimiter = \"\u002F\";\nListBlobsOptions options = new ListBlobsOptions()\n    .setPrefix(\"data\u002F\")\n    .setDetails(new BlobListDetails().setRetrieveMetadata(true));\n\nfor (BlobItem item : containerClient.listBlobsByHierarchy(delimiter, options, null)) {\n    if (item.isPrefix()) {\n        System.out.println(\"Directory: \" + item.getName());\n    } else {\n        System.out.println(\"Blob: \" + item.getName());\n    }\n}\n```\n\n### Delete Blob\n\n```java\nblobClient.delete();\n\n\u002F\u002F Delete if exists\nblobClient.deleteIfExists();\n\n\u002F\u002F Delete with snapshots\nimport com.azure.storage.blob.models.DeleteSnapshotsOptionType;\nblobClient.deleteWithResponse(DeleteSnapshotsOptionType.INCLUDE, null, null, Context.NONE);\n```\n\n### Copy Blob\n\n```java\nimport com.azure.storage.blob.models.BlobCopyInfo;\nimport com.azure.core.util.polling.SyncPoller;\n\n\u002F\u002F Async copy (for large blobs or cross-account)\nSyncPoller\u003CBlobCopyInfo, Void> poller = blobClient.beginCopy(\"\u003Csource-blob-url>\", Duration.ofSeconds(1));\npoller.waitForCompletion();\n\n\u002F\u002F Sync copy from URL (for same account)\nblobClient.copyFromUrl(\"\u003Csource-blob-url>\");\n```\n\n### Generate SAS Token\n\n```java\nimport com.azure.storage.blob.sas.*;\nimport java.time.OffsetDateTime;\n\n\u002F\u002F Blob-level SAS\nBlobSasPermission permissions = new BlobSasPermission().setReadPermission(true);\nOffsetDateTime expiry = OffsetDateTime.now().plusDays(1);\n\nBlobServiceSasSignatureValues sasValues = new BlobServiceSasSignatureValues(expiry, permissions);\nString sasToken = blobClient.generateSas(sasValues);\n\n\u002F\u002F Container-level SAS\nBlobContainerSasPermission containerPermissions = new BlobContainerSasPermission()\n    .setReadPermission(true)\n    .setListPermission(true);\n\nBlobServiceSasSignatureValues containerSasValues = new BlobServiceSasSignatureValues(expiry, containerPermissions);\nString containerSas = containerClient.generateSas(containerSasValues);\n```\n\n### Blob Properties and Metadata\n\n```java\nimport com.azure.storage.blob.models.BlobProperties;\n\n\u002F\u002F Get properties\nBlobProperties properties = blobClient.getProperties();\nSystem.out.println(\"Size: \" + properties.getBlobSize());\nSystem.out.println(\"Content-Type: \" + properties.getContentType());\nSystem.out.println(\"Last Modified: \" + properties.getLastModified());\n\n\u002F\u002F Set metadata\nMap\u003CString, String> metadata = Map.of(\"key1\", \"value1\", \"key2\", \"value2\");\nblobClient.setMetadata(metadata);\n\n\u002F\u002F Set HTTP headers\nBlobHttpHeaders headers = new BlobHttpHeaders()\n    .setContentType(\"application\u002Fjson\")\n    .setCacheControl(\"max-age=86400\");\nblobClient.setHttpHeaders(headers);\n```\n\n### Lease Blob\n\n```java\nimport com.azure.storage.blob.specialized.BlobLeaseClient;\nimport com.azure.storage.blob.specialized.BlobLeaseClientBuilder;\n\nBlobLeaseClient leaseClient = new BlobLeaseClientBuilder()\n    .blobClient(blobClient)\n    .buildClient();\n\n\u002F\u002F Acquire lease (-1 for infinite)\nString leaseId = leaseClient.acquireLease(60);\n\n\u002F\u002F Renew lease\nleaseClient.renewLease();\n\n\u002F\u002F Release lease\nleaseClient.releaseLease();\n```\n\n## Error Handling\n\n```java\nimport com.azure.storage.blob.models.BlobStorageException;\n\ntry {\n    blobClient.download(outputStream);\n} catch (BlobStorageException e) {\n    System.out.println(\"Status: \" + e.getStatusCode());\n    System.out.println(\"Error code: \" + e.getErrorCode());\n    \u002F\u002F 404 = Blob not found\n    \u002F\u002F 409 = Conflict (lease, etc.)\n}\n```\n\n## Proxy Configuration\n\n```java\nimport com.azure.core.http.ProxyOptions;\nimport com.azure.core.http.netty.NettyAsyncHttpClientBuilder;\nimport java.net.InetSocketAddress;\n\nProxyOptions proxyOptions = new ProxyOptions(\n    ProxyOptions.Type.HTTP,\n    new InetSocketAddress(\"localhost\", 8888));\n\nBlobServiceClient client = new BlobServiceClientBuilder()\n    .endpoint(\"\u003Cendpoint>\")\n    .sasToken(\"\u003Csas-token>\")\n    .httpClient(new NettyAsyncHttpClientBuilder().proxy(proxyOptions).build())\n    .buildClient();\n```\n\n## Environment Variables\n\n```bash\nAZURE_STORAGE_CONNECTION_STRING=DefaultEndpointsProtocol=https;AccountName=...\nAZURE_STORAGE_ACCOUNT_URL=https:\u002F\u002F\u003Caccount>.blob.core.windows.net\n```\n\n## Trigger Phrases\n\n- \"Azure Blob Storage Java\"\n- \"upload download blob\"\n- \"blob container SDK\"\n- \"storage streaming\"\n- \"SAS token generation\"\n- \"blob metadata properties\"\n","# Azure Storage Blob SDK for Java\n\nBuild blob storage applications using the Azure Storage Blob SDK for Java.\n\n## Installation\n\n```xml\n\u003Cdependency>\n    \u003CgroupId>com.azure\u003C\u002FgroupId>\n    \u003CartifactId>azure-storage-blob\u003C\u002FartifactId>\n    \u003Cversion>12.33.0\u003C\u002Fversion>\n\u003C\u002Fdependency>\n```\n\n## Client Creation\n\n### BlobServiceClient\n\n```java\nimport com.azure.storage.blob.BlobServiceClient;\nimport com.azure.storage.blob.BlobServiceClientBuilder;\n\n\u002F\u002F With SAS token\nBlobServiceClient serviceClient = new BlobServiceClientBuilder()\n    .endpoint(\"\u003Cstorage-account-url>\")\n    .sasToken(\"\u003Csas-token>\")\n    .buildClient();\n\n\u002F\u002F With connection string\nBlobServiceClient serviceClient = new BlobServiceClientBuilder()\n    .connectionString(\"\u003Cconnection-string>\")\n    .buildClient();\n```\n\n### With DefaultAzureCredential\n\n```java\nimport com.azure.identity.DefaultAzureCredentialBuilder;\n\nBlobServiceClient serviceClient = new BlobServiceClientBuilder()\n    .endpoint(\"\u003Cstorage-account-url>\")\n    .credential(new DefaultAzureCredentialBuilder().build())\n    .buildClient();\n```\n\n### BlobContainerClient\n\n```java\nimport com.azure.storage.blob.BlobContainerClient;\n\n\u002F\u002F From service client\nBlobContainerClient containerClient = serviceClient.getBlobContainerClient(\"mycontainer\");\n\n\u002F\u002F Direct construction\nBlobContainerClient containerClient = new BlobContainerClientBuilder()\n    .connectionString(\"\u003Cconnection-string>\")\n    .containerName(\"mycontainer\")\n    .buildClient();\n```\n\n### BlobClient\n\n```java\nimport com.azure.storage.blob.BlobClient;\n\n\u002F\u002F From container client\nBlobClient blobClient = containerClient.getBlobClient(\"myblob.txt\");\n\n\u002F\u002F With directory structure\nBlobClient blobClient = containerClient.getBlobClient(\"folder\u002Fsubfolder\u002Fmyblob.txt\");\n\n\u002F\u002F Direct construction\nBlobClient blobClient = new BlobClientBuilder()\n    .connectionString(\"\u003Cconnection-string>\")\n    .containerName(\"mycontainer\")\n    .blobName(\"myblob.txt\")\n    .buildClient();\n```\n\n## Core Patterns\n\n### Create Container\n\n```java\n\u002F\u002F Create container\nserviceClient.createBlobContainer(\"mycontainer\");\n\n\u002F\u002F Create if not exists\nBlobContainerClient container = serviceClient.createBlobContainerIfNotExists(\"mycontainer\");\n\n\u002F\u002F From container client\ncontainerClient.create();\ncontainerClient.createIfNotExists();\n```\n\n### Upload Data\n\n```java\nimport com.azure.core.util.BinaryData;\n\n\u002F\u002F Upload string\nString data = \"Hello, Azure Blob Storage!\";\nblobClient.upload(BinaryData.fromString(data));\n\n\u002F\u002F Upload with overwrite\nblobClient.upload(BinaryData.fromString(data), true);\n```\n\n### Upload from File\n\n```java\nblobClient.uploadFromFile(\"local-file.txt\");\n\n\u002F\u002F With overwrite\nblobClient.uploadFromFile(\"local-file.txt\", true);\n```\n\n### Upload from Stream\n\n```java\nimport com.azure.storage.blob.specialized.BlockBlobClient;\n\nBlockBlobClient blockBlobClient = blobClient.getBlockBlobClient();\n\ntry (ByteArrayInputStream dataStream = new ByteArrayInputStream(data.getBytes())) {\n    blockBlobClient.upload(dataStream, data.length());\n}\n```\n\n### Upload with Options\n\n```java\nimport com.azure.storage.blob.models.BlobHttpHeaders;\nimport com.azure.storage.blob.options.BlobParallelUploadOptions;\n\nBlobHttpHeaders headers = new BlobHttpHeaders()\n    .setContentType(\"text\u002Fplain\")\n    .setCacheControl(\"max-age=3600\");\n\nMap\u003CString, String> metadata = Map.of(\"author\", \"john\", \"version\", \"1.0\");\n\ntry (InputStream stream = new FileInputStream(\"large-file.bin\")) {\n    BlobParallelUploadOptions options = new BlobParallelUploadOptions(stream)\n        .setHeaders(headers)\n        .setMetadata(metadata);\n\n    blobClient.uploadWithResponse(options, null, Context.NONE);\n}\n```\n\n### Upload if Not Exists\n\n```java\nimport com.azure.storage.blob.models.BlobRequestConditions;\n\nBlobParallelUploadOptions options = new BlobParallelUploadOptions(inputStream, length)\n    .setRequestConditions(new BlobRequestConditions().setIfNoneMatch(\"*\"));\n\nblobClient.uploadWithResponse(options, null, Context.NONE);\n```\n\n### Download Data\n\n```java\n\u002F\u002F Download to BinaryData\nBinaryData content = blobClient.downloadContent();\nString text = content.toString();\n\n\u002F\u002F Download to file\nblobClient.downloadToFile(\"downloaded-file.txt\");\n```\n\n### Download to Stream\n\n```java\ntry (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {\n    blobClient.downloadStream(outputStream);\n    byte[] data = outputStream.toByteArray();\n}\n```\n\n### Download with InputStream\n\n```java\nimport com.azure.storage.blob.specialized.BlobInputStream;\n\ntry (BlobInputStream blobIS = blobClient.openInputStream()) {\n    byte[] buffer = new byte[1024];\n    int bytesRead;\n    while ((bytesRead = blobIS.read(buffer)) != -1) {\n        \u002F\u002F Process buffer\n    }\n}\n```\n\n### Upload via OutputStream\n\n```java\nimport com.azure.storage.blob.specialized.BlobOutputStream;\n\ntry (BlobOutputStream blobOS = blobClient.getBlockBlobClient().getBlobOutputStream()) {\n    blobOS.write(\"Data to upload\".getBytes());\n}\n```\n\n### List Blobs\n\n```java\nimport com.azure.storage.blob.models.BlobItem;\n\n\u002F\u002F List all blobs\nfor (BlobItem blobItem : containerClient.listBlobs()) {\n    System.out.println(\"Blob: \" + blobItem.getName());\n}\n\n\u002F\u002F List with prefix (virtual directory)\nimport com.azure.storage.blob.models.ListBlobsOptions;\n\nListBlobsOptions options = new ListBlobsOptions().setPrefix(\"folder\u002F\");\nfor (BlobItem blobItem : containerClient.listBlobs(options, null)) {\n    System.out.println(\"Blob: \" + blobItem.getName());\n}\n```\n\n### List Blobs by Hierarchy\n\n```java\nimport com.azure.storage.blob.models.BlobListDetails;\n\nString delimiter = \"\u002F\";\nListBlobsOptions options = new ListBlobsOptions()\n    .setPrefix(\"data\u002F\")\n    .setDetails(new BlobListDetails().setRetrieveMetadata(true));\n\nfor (BlobItem item : containerClient.listBlobsByHierarchy(delimiter, options, null)) {\n    if (item.isPrefix()) {\n        System.out.println(\"Directory: \" + item.getName());\n    } else {\n        System.out.println(\"Blob: \" + item.getName());\n    }\n}\n```\n\n### Delete Blob\n\n```java\nblobClient.delete();\n\n\u002F\u002F Delete if exists\nblobClient.deleteIfExists();\n\n\u002F\u002F Delete with snapshots\nimport com.azure.storage.blob.models.DeleteSnapshotsOptionType;\nblobClient.deleteWithResponse(DeleteSnapshotsOptionType.INCLUDE, null, null, Context.NONE);\n```\n\n### Copy Blob\n\n```java\nimport com.azure.storage.blob.models.BlobCopyInfo;\nimport com.azure.core.util.polling.SyncPoller;\n\n\u002F\u002F Async copy (for large blobs or cross-account)\nSyncPoller\u003CBlobCopyInfo, Void> poller = blobClient.beginCopy(\"\u003Csource-blob-url>\", Duration.ofSeconds(1));\npoller.waitForCompletion();\n\n\u002F\u002F Sync copy from URL (for same account)\nblobClient.copyFromUrl(\"\u003Csource-blob-url>\");\n```\n\n### Generate SAS Token\n\n```java\nimport com.azure.storage.blob.sas.*;\nimport java.time.OffsetDateTime;\n\n\u002F\u002F Blob-level SAS\nBlobSasPermission permissions = new BlobSasPermission().setReadPermission(true);\nOffsetDateTime expiry = OffsetDateTime.now().plusDays(1);\n\nBlobServiceSasSignatureValues sasValues = new BlobServiceSasSignatureValues(expiry, permissions);\nString sasToken = blobClient.generateSas(sasValues);\n\n\u002F\u002F Container-level SAS\nBlobContainerSasPermission containerPermissions = new BlobContainerSasPermission()\n    .setReadPermission(true)\n    .setListPermission(true);\n\nBlobServiceSasSignatureValues containerSasValues = new BlobServiceSasSignatureValues(expiry, containerPermissions);\nString containerSas = containerClient.generateSas(containerSasValues);\n```\n\n### Blob Properties and Metadata\n\n```java\nimport com.azure.storage.blob.models.BlobProperties;\n\n\u002F\u002F Get properties\nBlobProperties properties = blobClient.getProperties();\nSystem.out.println(\"Size: \" + properties.getBlobSize());\nSystem.out.println(\"Content-Type: \" + properties.getContentType());\nSystem.out.println(\"Last Modified: \" + properties.getLastModified());\n\n\u002F\u002F Set metadata\nMap\u003CString, String> metadata = Map.of(\"key1\", \"value1\", \"key2\", \"value2\");\nblobClient.setMetadata(metadata);\n\n\u002F\u002F Set HTTP headers\nBlobHttpHeaders headers = new BlobHttpHeaders()\n    .setContentType(\"application\u002Fjson\")\n    .setCacheControl(\"max-age=86400\");\nblobClient.setHttpHeaders(headers);\n```\n\n### Lease Blob\n\n```java\nimport com.azure.storage.blob.specialized.BlobLeaseClient;\nimport com.azure.storage.blob.specialized.BlobLeaseClientBuilder;\n\nBlobLeaseClient leaseClient = new BlobLeaseClientBuilder()\n    .blobClient(blobClient)\n    .buildClient();\n\n\u002F\u002F Acquire lease (-1 for infinite)\nString leaseId = leaseClient.acquireLease(60);\n\n\u002F\u002F Renew lease\nleaseClient.renewLease();\n\n\u002F\u002F Release lease\nleaseClient.releaseLease();\n```\n\n## Error Handling\n\n```java\nimport com.azure.storage.blob.models.BlobStorageException;\n\ntry {\n    blobClient.download(outputStream);\n} catch (BlobStorageException e) {\n    System.out.println(\"Status: \" + e.getStatusCode());\n    System.out.println(\"Error code: \" + e.getErrorCode());\n    \u002F\u002F 404 = Blob not found\n    \u002F\u002F 409 = Conflict (lease, etc.)\n}\n```\n\n## Proxy Configuration\n\n```java\nimport com.azure.core.http.ProxyOptions;\nimport com.azure.core.http.netty.NettyAsyncHttpClientBuilder;\nimport java.net.InetSocketAddress;\n\nProxyOptions proxyOptions = new ProxyOptions(\n    ProxyOptions.Type.HTTP,\n    new InetSocketAddress(\"localhost\", 8888));\n\nBlobServiceClient client = new BlobServiceClientBuilder()\n    .endpoint(\"\u003Cendpoint>\")\n    .sasToken(\"\u003Csas-token>\")\n    .httpClient(new NettyAsyncHttpClientBuilder().proxy(proxyOptions).build())\n    .buildClient();\n```\n\n## Environment Variables\n\n```bash\nAZURE_STORAGE_CONNECTION_STRING=DefaultEndpointsProtocol=https;AccountName=...\nAZURE_STORAGE_ACCOUNT_URL=https:\u002F\u002F\u003Caccount>.blob.core.windows.net\n```\n\n## Trigger Phrases\n\n- \"Azure Blob Storage Java\"\n- \"upload download blob\"\n- \"blob container SDK\"\n- \"storage streaming\"\n- \"SAS token generation\"\n- \"blob metadata properties\"\n",{"name":5,"license":15,"metadata":44,"description":7},{"author":45,"package":46,"version":47},"Microsoft","com.azure:azure-storage-blob","1.0.0","main","5c95bcac4646c5aed06bd9aed5235cfc7985aafc","included\u002Fskills\u002Fby-category\u002Fcloud-azure-microsoft-sdks\u002Fofficial-vendor-reference\u002Fazure-storage-blob-java",0,"https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked","https:\u002F\u002Fgithub.com\u002Fstrmt7","2026-11-11 04:18:12",{"source":8,"skillName":5,"commands":56,"prompt":66,"zipAvailable":67},[57,60,63],{"tool":58,"command":59},"npx","npx skills add strmt7\u002Fai_skills_collection_benchmarked --skill azure-storage-blob-java",{"tool":61,"command":62},"bunx","bunx skills add strmt7\u002Fai_skills_collection_benchmarked --skill azure-storage-blob-java",{"tool":64,"command":65},"pnpm","pnpm dlx skills add strmt7\u002Fai_skills_collection_benchmarked --skill azure-storage-blob-java","安装技能，技能地址：https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Fcloud-azure-microsoft-sdks\u002Fofficial-vendor-reference\u002Fazure-storage-blob-java\u002FSKILL.md",true,[69,75],{"path":70,"resourceType":71,"resourceTypeDesc":72,"sizeBytes":73,"sourceHtmlUrl":74},"references\u002Facceptance-criteria.md","REFERENCE","参考文档",12638,"https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Fcloud-azure-microsoft-sdks\u002Fofficial-vendor-reference\u002Fazure-storage-blob-java\u002Freferences\u002Facceptance-criteria.md",{"path":76,"resourceType":71,"resourceTypeDesc":72,"sizeBytes":77,"sourceHtmlUrl":78},"references\u002Fexamples.md",11612,"https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Fcloud-azure-microsoft-sdks\u002Fofficial-vendor-reference\u002Fazure-storage-blob-java\u002Freferences\u002Fexamples.md",[80,111,140,165,190,218],{"skillNo":81,"name":82,"nameZh":6,"description":83,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":84,"licenseFileUrl":85,"sourceHtmlUrl":86,"categories":87,"keywords":96,"publishedAt":39},"01M71D4H3T6M57DFKN8HENAWRV","webapp-testing","Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.","Apache-2.0","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Ftesting-qa-benchmarking\u002Fofficial-reference\u002Fwebapp-testing\u002FLICENSE.txt","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Ftesting-qa-benchmarking\u002Fofficial-reference\u002Fwebapp-testing\u002FSKILL.md",[88,93],{"categoryNo":89,"categoryName":90,"taxonomyType":91,"taxonomyTypeDesc":92},"01JBSEEDCAT000000000000008","测试与质量","SCENARIO","使用场景",{"categoryNo":94,"categoryName":95,"taxonomyType":91,"taxonomyTypeDesc":92},"01JBSEEDCAT000000000000009","前端开发",[97,98,99,28,36,100,101,102,103,104,105,30,106,107,108,109,110],"webapp","testing","webapp testing","local","frontend","debugging","toolkit","logs","browser","playwright","web","behavior","ui","screenshots",{"skillNo":112,"name":113,"nameZh":6,"description":114,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":84,"licenseFileUrl":115,"sourceHtmlUrl":116,"categories":117,"keywords":121,"publishedAt":39},"01M71D4CQR2A2TB7GASCR5ZBG3","skill-creator","Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Ftesting-qa-benchmarking\u002Fofficial-reference\u002Fskill-creator-anthropics\u002FLICENSE.txt","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Ftesting-qa-benchmarking\u002Fofficial-reference\u002Fskill-creator-anthropics\u002FSKILL.md",[118],{"categoryNo":119,"categoryName":120,"taxonomyType":91,"taxonomyTypeDesc":92},"01JBSEEDCAT000000000000023","Skill与智能体开发",[122,123,124,125,126,127,25,128,129,130,131,132,133,134,135,136,137,138,28,139],"skill creator","creator","performance","improve","run evals","new","analysis","create","optimize","variance analysis","run","edit","benchmark","a skill","existing skill","evals","modify","accuracy",{"skillNo":141,"name":142,"nameZh":6,"description":143,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":144,"categories":145,"keywords":148,"publishedAt":39},"01M71D488XHEZVXXSXFYP8ENMH","playwright-skill","Complete browser automation with Playwright. Auto-detects dev servers, writes reusable test scripts, and supports screenshots, responsive checks, UX validation, login flows, link checks, and arbitrary browser automation. Use when the user wants to test a website, automate browser interactions, validate web functionality, or perform browser-based testing.","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Ftesting-qa-benchmarking\u002Flatest-release-browser-automation\u002Fplaywright-skill\u002FSKILL.md",[146,147],{"categoryNo":89,"categoryName":90,"taxonomyType":91,"taxonomyTypeDesc":92},{"categoryNo":119,"categoryName":120,"taxonomyType":91,"taxonomyTypeDesc":92},[106,149,150,151,98,152,153,25,154,105,155,156,157,158,159,160,161,162,163,164],"playwright skill","browser automation","flows","auto","access","Bash","website","ux","login","scripts","read","write","node","install","network","responsive",{"skillNo":166,"name":167,"nameZh":6,"description":168,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":84,"licenseFileUrl":169,"sourceHtmlUrl":170,"categories":171,"keywords":173,"publishedAt":39},"01M71CY25GM939M6RES91QSG3T","web-artifacts-builder","Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn\u002Fui). Use for complex artifacts requiring state management, routing, or shadcn\u002Fui components - not for simple single-file HTML\u002FJSX artifacts.","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Fsearch-retrieval-web-automation\u002Fofficial-reference\u002Fweb-artifacts-builder\u002FLICENSE.txt","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Fsearch-retrieval-web-automation\u002Fofficial-reference\u002Fweb-artifacts-builder\u002FSKILL.md",[172],{"categoryNo":94,"categoryName":95,"taxonomyType":91,"taxonomyTypeDesc":92},[174,175,176,107,177,178,179,28,180,181,101,182,34,183,184,185,186,187,188,189],"builder","artifacts builder","artifacts","web artifacts builder","single-file","css","Tailwind","ui components","single","file","components","react","multi","state","routing","state management",{"skillNo":191,"name":192,"nameZh":6,"description":193,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":84,"licenseFileUrl":194,"sourceHtmlUrl":195,"categories":196,"keywords":206,"publishedAt":39},"01M71CXZB60QJJ1H4S3NN94WMZ","frontend-design","Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML\u002FCSS layouts, or when styling\u002Fbeautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Fsearch-retrieval-web-automation\u002Fofficial-reference\u002Ffrontend-design\u002FLICENSE.txt","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Fsearch-retrieval-web-automation\u002Fofficial-reference\u002Ffrontend-design\u002FSKILL.md",[197,198,201],{"categoryNo":94,"categoryName":95,"taxonomyType":91,"taxonomyTypeDesc":92},{"categoryNo":199,"categoryName":200,"taxonomyType":91,"taxonomyTypeDesc":92},"01JBSEEDCAT000000000000015","视觉设计",{"categoryNo":202,"categoryName":203,"taxonomyType":204,"taxonomyTypeDesc":205},"01JBSEEDCAT000000000000032","设计师","PROFESSION","适用职业",[101,207,208,179,209,210,211,36,212,213,34,25,176,214,184,215,185,216,217,30],"design","frontend design","ui design","generic","aesthetics","landing","pages","code","web ui","react components","examples",{"skillNo":219,"name":220,"nameZh":6,"description":221,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":222,"categories":223,"keywords":224,"publishedAt":39},"01M71CVZ54WFBTVA7R16PFY1ZE","zarr-python","Chunked N-D arrays for cloud storage. Compressed arrays, parallel I\u002FO, S3\u002FGCS integration, NumPy\u002FDask\u002FXarray compatible, for large-scale scientific computing pipelines.","https:\u002F\u002Fgithub.com\u002Fstrmt7\u002Fai_skills_collection_benchmarked\u002Fblob\u002Fmain\u002Fincluded\u002Fskills\u002Fby-category\u002Fscience-research-data-analysis\u002Flatest-release-community\u002Fzarr-python\u002FSKILL.md",[],[225,226,227,228,229,230,19,231,232,28,233,234,235,236,237,238,239,240],"zarr python","python","zarr","arrays","Cloud Storage","scientific","parallel","dask","numpy","gcs","s3","integration","scientific computing","cloud","scale","pipelines"]