net.snowflake.client.jdbc.cloud.storage.CommonObjectMetadata Maven / Gradle / Ivy
/*
* Copyright (c) 2012-2019 Snowflake Computing Inc. All rights reserved.
*/
package net.snowflake.client.jdbc.cloud.storage;
import java.util.HashMap;
import java.util.Map;
/**
* Implements platform-independent interface Azure BLOB and GCS object metadata
*
* Only the metadata accessors and mutators used by the JDBC client currently are supported,
* additional methods should be added as needed
*
* @author lgiakoumakis, ppaulus (rename)
**/
public class CommonObjectMetadata implements StorageObjectMetadata
{
private long contentLength;
private Map userDefinedMetadata;
private String contentEncoding;
CommonObjectMetadata()
{
userDefinedMetadata = new HashMap<>();
}
/*
* Constructs a common metadata object
* from the set of parameters that the JDBC client is using
*/
CommonObjectMetadata(long contentLength, String contentEncoding, Map userDefinedMetadata)
{
this.contentEncoding = contentEncoding;
this.contentLength = contentLength;
this.userDefinedMetadata = userDefinedMetadata;
}
/**
* @return returns a Map/key-value pairs of metadata properties
*/
@Override
public Map getUserMetadata()
{
return userDefinedMetadata;
}
;
/**
* @return returns the size of object in bytes
*/
@Override
public long getContentLength()
{
return contentLength;
}
/**
* Sets size of the associated object in bytes
*/
@Override
public void setContentLength(long contentLength)
{
this.contentLength = contentLength;
}
/**
* Adds the key value pair of custom user-metadata for the associated object.
*/
@Override
public void addUserMetadata(String key, String value)
{
userDefinedMetadata.put(key, value);
}
/**
* Sets the optional Content-Encoding HTTP header specifying what content encodings,
* have been applied to the object and what decoding mechanisms must be applied,
* in order to obtain the media-type referenced by the Content-Type field.
*/
@Override
public void setContentEncoding(String encoding)
{
contentEncoding = encoding;
}
/*
* @return returns the content encoding type
*/
@Override
public String getContentEncoding()
{
return contentEncoding;
}
}