couch-transfer

A Java library to support exporting and importing Couch databases.

Features

Keep Couch's memory usage low by using Couch's MIME multipart document API for documents with attachments
Uses Java streams when exporting and importing so that user's of this library maintain low memory usage
Preserves document revisions
Provides a mechanism for filtering on import, allowing existing documents to be ignored
Uses Ektorp for accessing Couch

Export

OutputStream exportOutputStream;
CouchDbConnector couchDbConnector;

CouchDocumentExporter documentExporter = new MimeCouchDocumentExporter();
CouchDatabaseExporter databaseExporter = new ZipCouchDatabaseExporter(documentExporter);

try
{
    databaseExporter.export(couchDbConnector, exportOutputStream);
}
catch (IOException e)
{
    // handle as you wish
}

Import

InputStream importInputStream;
CouchDbConnector couchDbConnector;

CouchDocumentImporter documentImporter = new MimeCouchDocumentImporter(IncludeAllDocumentFilter.documentFilter());
CouchDatabaseImporter databaseImporter = new ZipCouchDatabaseImporter(documentImporter);

try
{
    databaseImporter.importDatabase(couchDbConnector, importInputStream);
}
catch (IOException e)
{
    // handle as you wish
}

Include Using Maven

<repositories>
    <repository>
        <id>allogy-maven-public</id>
        <name>Allogy public Maven release repository</name>
        <url>https://s3.amazonaws.com/allogy.maven.public/release</url>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>
</repositories>

<dependencies>
    <dependency>
        <groupId>com.allogy</groupId>
        <artifactId>couch-transfer</artifactId>
        <version>1.1</version>
    </dependency>
</dependencies>

License

Released under the Apache License, Version 2.0.

dlvenable/couch-transfer

couch-transfer

Features

Export

Import

Include Using Maven

License