Si.java

package com.sissi.protocol.iq.si;

import java.util.HashMap;
import java.util.Map;

import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlType;

import org.apache.commons.codec.digest.DigestUtils;

import com.sissi.config.Dictionary;
import com.sissi.io.read.Collector;
import com.sissi.io.read.Metadata;
import com.sissi.protocol.Protocol;
import com.sissi.protocol.Stream;
import com.sissi.protocol.offline.Delay;
import com.sissi.server.exchange.Tracer;

/**
 * @author kim 2013年12月13日
 */
@Metadata(uri = Si.XMLNS, localName = Si.NAME)
@XmlType(namespace = Stream.XMLNS)
@XmlRootElement
public class Si extends Protocol implements Tracer, Collector {

	public final static String XMLNS = "http://jabber.org/protocol/si";

	public final static String NAME = "si";

	private String profile;

	private String source;

	private Feature feature;

	private Delay delay;

	private File file;

	@XmlAttribute
	public String getSource() {
		return source;
	}

	public Si setSource(String source) {
		this.source = source;
		return this;
	}

	public Si setId(String id) {
		super.setId(id);
		return this;
	}

	@XmlAttribute
	public String getProfile() {
		return this.profile;
	}

	public Si setProfile(String profile) {
		this.profile = profile;
		return this;
	}

	public boolean file() {
		return this.getFile() != null;
	}

	public Si setFile(File file) {
		this.file = file;
		return this;
	}

	@XmlElement
	public File getFile() {
		return this.file;
	}

	public Si setFeature(Feature feature) {
		this.feature = feature;
		return this;
	}

	@XmlElement
	public Feature getFeature() {
		return this.feature;
	}

	public boolean delay() {
		return this.getDelay() != null;
	}

	@XmlElement
	public Delay getDelay() {
		return this.delay;
	}

	@XmlAttribute
	public String getXmlns() {
		return XMLNS;
	}

	public Si delay(String timestamp) {
		this.delay = timestamp != null ? new Delay().setStamp(timestamp) : null;
		return this;
	}

	public String host(String from, String to) {
		return DigestUtils.sha1Hex(this.getId() + from + to);
	}

	@Override
	public String id() {
		return this.parent().getId();
	}

	public String target() {
		return this.parent().getTo();
	}

	public String initiator() {
		return this.parent().getFrom();
	}

	public Map<String, Object> plus() {
		Map<String, Object> plus = new HashMap<String, Object>();
		plus.put(Dictionary.FIELD_NAME, this.getFile().getName());
		plus.put(Dictionary.FIELD_SIZE, this.getFile().getSize());
		return plus;
	}

	@Override
	public void set(String localName, Object ob) {
		switch (localName) {
		case File.NAME:
			this.file = File.class.cast(ob);
			break;
		case Feature.NAME:
			this.feature = Feature.class.cast(ob);
			break;
		}
	}
}