How to read file from ZIP using InputStream?

Question

I must get file content from ZIP archive (only one file, I know its name) using SFTP. The only thing I\'m having is ZIP\'s InputStream. Most examples show how g

Answer 1

Here a more generic solution to process a zip inputstream with a BiConsumer. It's nearly the same solution that was used by haui

private void readZip(InputStream is, BiConsumer<ZipEntry,InputStream> consumer) throws IOException {
    try (ZipInputStream zipFile = new ZipInputStream(is);) {
        ZipEntry entry;
        while((entry = zipFile.getNextEntry()) != null){
            consumer.accept(entry, new FilterInputStream(zipFile) {
                @Override
                public void close() throws IOException {
                    zipFile.closeEntry();
                }
            });
        }
    }
}

You can use it by just calling

readZip(<some inputstream>, (entry, is) -> {
    /* don't forget to close this stream after processing. */
    is.read() // ... <- to read each entry
});