container.java

国外的j2me播放器软件

package no.auc.one.portableplayer.lms;

import java.io.*;
import java.util.Enumeration;
import java.util.Vector;

public class Container extends DidlObject {
    private Vector content;

    // Optional    
	private boolean searchable = false;
	private String createClass = DidlObject.SERIALIZED_NULL_STRING_PROPERTY;
	private String searchClass = DidlObject.SERIALIZED_NULL_STRING_PROPERTY;

    private final static String CLASSTYPE = "object.container";
    
    public String classType() {
        return CLASSTYPE;
    }

    public Container(
    	int id, 
    	int parentId, 
    	String title, 
    	boolean restricted) 
    {
		super(id, parentId, title, restricted);

		content = new Vector(3, 3);
    }

    public Container(DataInput di) throws IOException {
        super(di);

        content = new Vector(di.readInt());
        
        for (int i = 0; i < content.capacity(); i++) {
            content.addElement(new Integer(di.readInt()));
        }

        createClass = di.readUTF();
        searchClass = di.readUTF();
        searchable = di.readBoolean();
    }

    public void serialize(DataOutput dout) throws IOException {
        super.serialize(dout);
        
        dout.writeInt(childCount());

        for (Enumeration e = content.elements(); e.hasMoreElements(); ) {
            int i = ((Integer)e.nextElement()).intValue();
            dout.writeInt(i);
        }
        
        dout.writeUTF(createClass);
        dout.writeUTF(searchClass);        
        dout.writeBoolean(searchable);
    }
    
    public void serializeXml(PrintStream ps) {
        System.out.println("SerializeXml for " + this);
        
        ps.print("<container id=\"");
        ps.print(id);
        ps.print("\" parentID=\"");
        ps.print(parentId);
        ps.print("\" childCount=\"");
        ps.print(content.size());
        ps.print("\" restricted=\"");
        ps.print(restricted);
        ps.print("\" searchable=\"");
        ps.print(searchable);
        ps.print("\">");
        ps.print("<dc:title>");
        ps.print(title);
        ps.print("</dc:title>");
        if (!creator.equals(DidlObject.SERIALIZED_NULL_STRING_PROPERTY)) {
            ps.print("<dc:creator>");
            ps.print(creator);
            ps.print("</dc:creator>\r\n");
        }
        
        ps.print("<upnp:class>");
        ps.print(classType());
        ps.print("</upnp:class>\r\n");

        if (!res.equals(DidlObject.SERIALIZED_NULL_STRING_PROPERTY)) {
            // XXX Must fix protocolInfo!
            ps.print("<res protocolInfo=\"http-get:*:audio/mpeg:*\">"); 
            ps.print(res);
            ps.print("</res>\r\n");
        }

        if (!writeStatus.equals(DidlObject.SERIALIZED_NULL_STRING_PROPERTY)) {
            ps.print("<upnp:writeStatus>");
            ps.print(writeStatus);
            ps.print("</upnp:writeStatus>\r\n");
        }

        if (!createClass.equals(DidlObject.SERIALIZED_NULL_STRING_PROPERTY)) {
            ps.print("<upnp:createClass>");
            ps.print(createClass);
            ps.print("</upnp:createClass\r\n");
        }

        if (!searchClass.equals(DidlObject.SERIALIZED_NULL_STRING_PROPERTY)) {
            ps.print("<upnp:searchClass>");
            ps.print(searchClass);
            ps.print("</upnp:searchClass>\r\n");
        }
    }
    
    public final void serializeXmlEndMarker(PrintStream ps) {
        ps.print("</container>");
    }

    public int childCount(){
		return content.size();
	}
    
    public boolean isSearchable(){ 
		return searchable;
	}

    public Enumeration content(){
		return content.elements();
	}
    
    public void addContent(int[] children) {
    	content.ensureCapacity(content.size() + children.length);
    	
    	for (int i = 0; i < children.length; i++) {
    		addContent(new Integer(children[i]));
    	}
    }
    
    public void addContent(Integer id) {
    	content.addElement(id);
    }

	public void setCreateClass(String createClass) {
		this.createClass = createClass;
	}

	public String getCreateClass() {
		return createClass;
	}

	public void setSearchClass(String searchClass) {
		this.searchClass = searchClass;
	}

	public String getSearchClass() {
		return searchClass;
	}    
}