no.difi.asic.AsicReaderFactory Maven / Gradle / Ivy

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package no.difi.asic;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;

public class AsicReaderFactory {

    public static AsicReaderFactory newFactory() {
        return newFactory(MessageDigestAlgorithm.SHA256);
    }

    public static AsicReaderFactory newFactory(SignatureMethod signatureMethod) {
        return newFactory(signatureMethod.getMessageDigestAlgorithm());
    }

    static AsicReaderFactory newFactory(MessageDigestAlgorithm messageDigestAlgorithm) {
        return new AsicReaderFactory(messageDigestAlgorithm);
    }

    private MessageDigestAlgorithm messageDigestAlgorithm;

    private AsicReaderFactory(MessageDigestAlgorithm messageDigestAlgorithm) {
        this.messageDigestAlgorithm = messageDigestAlgorithm;
    }

    public AsicReader open(File file) throws IOException {
        return open(file.toPath());
    }

    public AsicReader open(Path file) throws IOException {
        return open(Files.newInputStream(file));
    }

    public AsicReader open(InputStream inputStream) throws IOException {
        return new AsicReaderImpl(messageDigestAlgorithm, inputStream);
    }
}