package geniusweb.references;

import java.net.URI;
import java.net.URISyntaxException;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonValue;

/**
 * A URI reference to get a copy of a profile. This usually is a "ws://"
 * (websocket) URI, allowing users (parties) to get notifications if the profile
 * is changed.
 * <p>
 * In debugging scenarios, this is usually a "file://" URI, in which case the
 * profile is assumed to be static during the run. Parties that support
 * debugging eg with the simplerunner should support the file: protocol.
 */
public class ProfileRef implements Reference {
	@JsonValue
	private URI profile;

	@JsonCreator // special: we need URI so no @JsonProperty
	public ProfileRef(String uri) throws URISyntaxException {
		if (uri == null) {
			throw new IllegalArgumentException("uri=null");
		}
		this.profile = new URI(uri);
	}

	public ProfileRef(URI uri) {
		if (uri == null) {
			throw new IllegalArgumentException("uri=null");
		}
		this.profile = uri;
	}

	@Override
	public URI getURI() {
		return profile;
	}

	@Override
	public String toString() {
		return "ProfileRef[" + profile + "]";
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((profile == null) ? 0 : profile.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		ProfileRef other = (ProfileRef) obj;
		if (profile == null) {
			if (other.profile != null)
				return false;
		} else if (!profile.equals(other.profile))
			return false;
		return true;
	}
}