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Libraries that wrap spreadsheet APIs to provide streaming row-by-row processing for large files.
Distinct from Apache Flink Connectors: No candidate covers a lightweight streaming wrapper around Apache POI; closest candidates are Apache Flink connectors or unrelated Apache projects.
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Apache Fesod is a lightweight Java library that wraps Apache POI to provide a streaming API for reading and writing large Excel files. Its core identity is a low-memory spreadsheet processor that prevents out-of-memory errors by handling data row by row, never loading an entire document into memory at once. The library distinguishes itself through a listener-driven event model that fires row-level events to user code as each row is parsed, enabling incremental processing. It also includes an object mapping layer that maps spreadsheet rows directly to Java objects using configurable column map
A lightweight library that wraps Apache POI to stream spreadsheet data and prevent out-of-memory errors.