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An easy to use HTTP API, that supports synchronous and asynchronous execution of HTTP request. On android only asynchronous driver is supported. This library has been backported to jdk 7 to retain compatibility with android!

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package io.femo.http.handlers;

import io.femo.http.*;
import io.femo.http.helper.HttpCacheControl;
import org.apache.commons.io.IOUtils;

import java.io.IOException;
import java.io.InputStream;
import java.util.Objects;

/**
 * Created by felix on 7/12/16.
 */
public class StreamHandler implements HttpHandler {

    private byte[] buffer;
    private String mimeType;
    private String etag;
    private boolean replace;

    public StreamHandler(String mimeType, String etag, InputStream inputStream) throws IOException {
        this.mimeType = mimeType;
        this.etag = etag;
        this.buffer = IOUtils.toByteArray(inputStream);
    }

    public StreamHandler(String mimeType, String etag, InputStream inputStream, boolean replace) throws IOException {
        this.buffer = IOUtils.toByteArray(inputStream);
        this.mimeType = mimeType;
        this.etag = etag;
        this.replace = replace;
    }

    @Override
    public boolean handle(HttpRequest request, HttpResponse response) throws HttpHandleException {
        if(Objects.equals(request.method(), Http.GET)) {
            if(!HttpCacheControl.cacheControl(request, response, 3600, etag)) {
                response.header("Content-Type", mimeType).entity(buffer);
            }
            if(replace)
                response.header("X-Replace-Env", "true");
            return true;
        } else {
            response.status(StatusCode.METHOD_NOT_ALLOWED)
                    .entity("Method " + request.method().toUpperCase() + " not allowed")
                    .header("Accept", Http.GET);
            return false;
        }
    }
}