Examples of com.elasticinbox.core.blob.compression.DeflateCompressionHandler

Package com.elasticinbox.core.blob.compression

Examples of com.elasticinbox.core.blob.compression.DeflateCompressionHandler

com.elasticinbox.core.blob.compression.DeflateCompressionHandler
This class provides compression/decompression using Deflate algorithm.
Deflate compression (RFC1951) used in ElasticInbox due to a number of reasons:
1. It is possible to serve deflated content over HTTP without decompression.
2. It is possible to serve deflated content over IMAP without decompression. IMAP COMPRESS Extension (RFC4978) recognizes only deflate.
3. Deflate has better performance in comparison to Gzip and provides good trade off between size and speed. @author Rustam Aliyev

  {
    this.keyspace = keyspace;
    
    // Create BlobStorage instance with AES encryption and Deflate compression
    CompressionHandler compressionHandler = 
        Configurator.isBlobStoreCompressionEnabled() ? new DeflateCompressionHandler() : null;
    EncryptionHandler encryptionHandler = 
        Configurator.isBlobStoreEncryptionEnabled() ? new AESEncryptionHandler() : null;


    this.blobStorage = new BlobStorageMediator(compressionHandler, encryptionHandler);
  }

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        .equals(DeflateCompressionHandler.COMPRESSION_TYPE_DEFLATE)) ||
        // TODO: deprecated suffix based compression detection
        // kept for backward compatibility with 0.3
        blobUri.getName().endsWith(BlobStoreConstants.COMPRESS_SUFFIX))
    {
      CompressionHandler ch = new DeflateCompressionHandler();
      return new BlobDataSource(uri, blobDS.getInputStream(), ch);
    } else {
      return blobDS;
    }
  }

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com.elasticinbox.core.blob.store.BlobStorageMediator

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java.util.zip.DeflaterInputStream

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