cz.jalasoft.net.http.URIBuilder Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of JalasoftHttpClient Show documentation

API for communicating over HTTP.

The newest version!

package cz.jalasoft.net.http;

import java.net.URI;

/**
 * A builder of URI
 *
 * Created by Honza Lastovicka on 23.4.15.
 */
public final class URIBuilder {

    private static final String URI_PATTERN = "%s://%s:%d%s";

    /**
     * Starts a process of URI creation.
     * @return a buillder, never null
     */
    public static URIBuilder http() {
        return new URIBuilder("http", 80);
    }

    //-------------------------------------------------------------------------
    //INSTANCE SCOPE
    //-------------------------------------------------------------------------

    private final String scheme;
    private int port;
    private String host;
    private String path = "";

    private URIBuilder(String scheme, int port) {
        this.scheme = scheme;
        this.port = port;
    }

    public URIBuilder host(String host) {
        if (host == null || host.isEmpty()) {
            throw new IllegalArgumentException("Host must not be null or empty.");
        }
        this.host = host;

        return this;
    }

    public URIBuilder port(int port) {
        if (port < 0) {
            throw new IllegalArgumentException("Port must not be negative number.");
        }
        if (port > 65536) {
            throw new IllegalArgumentException("Port must not be greater than 65536.");
        }
        this.port = port;

        return this;
    }

    public URIBuilder path(String path) {
        if (path == null || path.isEmpty()) {
            throw new IllegalArgumentException("Path must not be null or empty.");
        }
        this.path = path;

        return this;
    }

    public URI build() {
        if (host == null) {
            throw new IllegalStateException("Host has not been inserted.");
        }

        String uriAsString = String.format(URI_PATTERN, scheme, host, port, path);
        return URI.create(uriAsString);
    }
}