de.sstoehr.harreader.HarWriter Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of har-reader Show documentation

A library to access HTTP archive format with Java

The newest version!

package de.sstoehr.harreader;

import java.io.File;
import java.io.OutputStream;
import java.io.Writer;

import com.fasterxml.jackson.databind.ObjectMapper;

import de.sstoehr.harreader.jackson.MapperFactory;
import de.sstoehr.harreader.model.Har;

public final class HarWriter extends AbstractHarIO {

    public HarWriter() {
        super();
    }

    public HarWriter(MapperFactory mapperFactory) {
        super(mapperFactory);
    }

    /**
     * Serialize HAR as a string. It's functionally equivalent to calling {@link #writeTo(Writer, Har)} with
     * {@link java.io.StringWriter} and constructing String, but more efficient.
     * @return Serialized HAR as a string
     * @throws HarWriterException if a low-level I/O problem occurs
     */
    public String writeAsString(Har har) throws HarWriterException {
        return wrap(m -> m.writeValueAsString(har));
    }

    /**
     * Serialize HAR as a byte array. It's functionally equivalent to calling {@link #writeTo(OutputStream, Har)} with
     * {@link java.io.ByteArrayOutputStream} and getting bytes, but more efficient. Encoding used will be UTF-8.
     * @return Serialized HAR as a byte array
     * @throws HarWriterException if a low-level I/O problem occurs
     */
    public byte[] writeAsBytes(Har har) throws HarWriterException {
        return wrap(m -> m.writeValueAsBytes(har));
    }

    public void writeTo(Writer writer, Har har) throws HarWriterException {
        wrap(m -> {
            m.writeValue(writer, har);
            return null;
        });
    }

    public void writeTo(OutputStream os, Har har) throws HarWriterException {
        wrap(m -> {
            m.writeValue(os, har);
            return null;
        });
    }

    public void writeTo(File file, Har har) throws HarWriterException {
        wrap(m -> {
            m.writeValue(file, har);
            return null;
        });
    }

    private  T wrap(IOFunction consumer) throws HarWriterException {
        return wrap(getMapperFactory().instance(), consumer, HarWriterException::new);
    }
}