advertisementtutorial.java

jxta的例子

/*
 * Copyright (c) 2006-2007 Sun Microsystems, Inc.  All rights reserved.
 *  
 *  The Sun Project JXTA(TM) Software License
 *  
 *  Redistribution and use in source and binary forms, with or without 
 *  modification, are permitted provided that the following conditions are met:
 *  
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
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 *  3. The end-user documentation included with the redistribution, if any, must 
 *     include the following acknowledgment: "This product includes software 
 *     developed by Sun Microsystems, Inc. for JXTA(TM) technology." 
 *     Alternately, this acknowledgment may appear in the software itself, if 
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 *  This software consists of voluntary contributions made by many individuals 
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 *  http://www.jxta.org.
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 */

package tutorial.advertisement;


import net.jxta.document.*;
import net.jxta.id.ID;
import net.jxta.id.IDFactory;

import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.net.InetAddress;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.util.Enumeration;
import java.util.logging.Logger;


/**
 * Simple Advertisement Tutorial creates a advertisment describing a system
 * <p/>
 * <pre>
 * &lt;?xml version="1.0"?>
 * &lt;!DOCTYPE jxta:System>
 * &lt;jxta:System xmlns:jxta="http://jxta.org">
 *   &lt;id>id&lt;/id>
 *   &lt;name>Device Name&lt;/name>
 *   &lt;ip>ip address&lt;/ip>
 *   &lt;hwarch>x86&lt;/hwarch>
 *   &lt;hwvendor>Sun MicroSystems&lt;/hwvendor>
 *   &lt;OSName>&lt;/OSName>
 *   &lt;OSVer>&lt;/OSVer>
 *   &lt;osarch>&lt;/osarch>
 *   &lt;sw>&lt;/sw>
 * &lt;/jxta:System>
 * </pre>
 */
public class AdvertisementTutorial extends Advertisement implements Comparable, Cloneable, Serializable {
    private String hwarch;
    private String hwvendor;
    private ID id = ID.nullID;
    private String ip;
    private String name;
    private String osname;
    private String osversion;
    private String osarch;
    private String inventory;

    private final static Logger LOG = Logger.getLogger(AdvertisementTutorial.class.getName());
    private final static String OSNameTag = "OSName";
    private final static String OSVersionTag = "OSVer";
    private final static String OSarchTag = "osarch";
    private final static String hwarchTag = "hwarch";
    private final static String hwvendorTag = "hwvendor";
    private final static String idTag = "ID";
    private final static String ipTag = "ip";
    private final static String nameTag = "name";
    private final static String swTag = "sw";

    /**
     * Indexable fields.  Advertisements must define the indexables, in order
     * to properly index and retrieve these advertisements locally and on the
     * network
     */
    private final static String[] fields = {idTag, nameTag, hwarchTag};

    /**
     * Default Constructor
     */
    public AdvertisementTutorial() {
    }

    /**
     * Construct from a StructuredDocument
     *
     * @param root Root element
     */
    public AdvertisementTutorial(Element root) {
        TextElement doc = (TextElement) root;

        if (!getAdvertisementType().equals(doc.getName())) {
            throw new IllegalArgumentException(
                    "Could not construct : " + getClass().getName() + "from doc containing a " + doc.getName());
        }
        initialize(doc);
    }

    /**
     * Construct a doc from InputStream
     *
     * @param stream the underlying input stream.
     * @throws IOException if an I/O error occurs.
     */

    public AdvertisementTutorial(InputStream stream) throws IOException {
        StructuredTextDocument doc = (StructuredTextDocument)
                StructuredDocumentFactory.newStructuredDocument(MimeMediaType.XMLUTF8, stream);
        initialize(doc);
    }

    /**
     * Sets the hWArch attribute of the AdvertisementTutorial object
     *
     * @param hwarch The new hWArch value
     */
    public void setHWArch(String hwarch) {
        this.hwarch = hwarch;
    }

    /**
     * Sets the OSArch attribute of the AdvertisementTutorial object
     *
     * @param osarch The new hWArch value
     */
    public void setOSArch(String osarch) {
        this.osarch = osarch;
    }

    /**
     * Sets the hWVendor attribute of the AdvertisementTutorial object
     *
     * @param hwvendor The new hWVendor value
     */
    public void setHWVendor(String hwvendor) {
        this.hwvendor = hwvendor;
    }

    /**
     * sets the unique id
     *
     * @param id The id
     */
    public void setID(ID id) {
        this.id = (id == null ? null : id);
    }

    /**
     * Sets the iP attribute of the AdvertisementTutorial object
     *
     * @param ip The new iP value
     */
    public void setIP(String ip) {
        this.ip = ip;
    }

    /**
     * Sets the name attribute of the AdvertisementTutorial object
     *
     * @param name The new name value
     */
    public void setName(String name) {
        this.name = name;
    }

    /**
     * Sets the oSName attribute of the AdvertisementTutorial object
     *
     * @param osname The new oSName value
     */
    public void setOSName(String osname) {
        this.osname = osname;
    }

    /**
     * Sets the oSVersion attribute of the AdvertisementTutorial object
     *
     * @param osversion The new oSVersion value
     */
    public void setOSVersion(String osversion) {
        this.osversion = osversion;
    }

    /**
     * Sets the SWInventory attribute of the AdvertisementTutorial object
     *
     * @param inventory the software inventory of the system
     */
    public void setSWInventory(String inventory) {
        this.inventory = inventory;
    }

    /**
     * {@inheritDoc}
     *
     * @param asMimeType Document encoding
     * @return The document value
     */
    @Override
    public Document getDocument(MimeMediaType asMimeType) {
        StructuredDocument adv = StructuredDocumentFactory.newStructuredDocument(asMimeType, getAdvertisementType());

        if (adv instanceof Attributable) {
            ((Attributable) adv).addAttribute("xmlns:jxta", "http://jxta.org");
        }
        Element e;

        e = adv.createElement(idTag, getID().toString());
        adv.appendChild(e);
        e = adv.createElement(nameTag, getName().trim());
        adv.appendChild(e);
        e = adv.createElement(OSNameTag, getOSName().trim());
        adv.appendChild(e);
        e = adv.createElement(OSVersionTag, getOSVersion().trim());
        adv.appendChild(e);
        e = adv.createElement(OSarchTag, getOSArch().trim());
        adv.appendChild(e);
        e = adv.createElement(ipTag, getIP().trim());
        adv.appendChild(e);
        e = adv.createElement(hwarchTag, getHWArch().trim());
        adv.appendChild(e);
        e = adv.createElement(hwvendorTag, getHWVendor().trim());
        adv.appendChild(e);
        e = adv.createElement(swTag, getSWInventory().trim());
        adv.appendChild(e);

        return adv;
    }

    /**
     * Gets the hWArch attribute of the AdvertisementTutorial object
     *