jremconfigdocfactory.java

来自「一个基于J2ME技术的程序,使你可以远程控制装有服务端的PC.」· Java 代码 · 共 91 行

package fildiv.jremcntl.server.gui.model;

import fildiv.jremcntl.common.core.Command;
import fildiv.jremcntl.common.core.Config;
import fildiv.jremcntl.common.core.Context;
import fildiv.jremcntl.common.core.DefaultConfigVisitor;
import fildiv.jremcntl.common.core.Extension;
import fildiv.jremcntl.server.core.JRemExtension;

public class JRemConfigDocFactory {

	private Config config;
	
	protected class ConfigDocBuilderVisitor extends DefaultConfigVisitor {

		private JRemConfigDoc configDoc = null;
		private JRemContextDoc currContextDoc = null;
		
		public void onConfig(Config config) {
			
			configDoc = new JRemConfigDoc(config.getName(), 
					config.getBaseDir());
			configDoc.setOnConnectExePath(
					config.getOnConnectExePath());
			configDoc.setOnDisconnectExePath(
					config.getOnDisconnectExePath());
			Extension be = config.getExtension(false);
			if (be != null) {
				JRemExtensionDoc extDoc = new JRemExtensionDoc(configDoc, 
						(JRemExtension) be.getImplObj());
				configDoc.setExtension(extDoc);
			}
			
		}

		public void onContext(Context context) {
			
			currContextDoc = 
				new JRemContextDoc(configDoc, 
						context.getID(), context.getDesc(), 
						context.getDefView(), context.getBaseDir());
			configDoc.appendContext(currContextDoc);

			Extension be = context.getExtension(false);
			if (be != null) {
				JRemExtensionDoc extDoc = new JRemExtensionDoc(currContextDoc, 
						(JRemExtension) be.getImplObj());
				currContextDoc.setExtension(extDoc);
			}
		}

		public void onCommand(Command command) {
			
			JRemCommandDoc commandDoc = new JRemCommandDoc(currContextDoc, 
					command.getID(), command.getDesc(), command.getExePath(), 
					command.getKey(), command.getQuestion());
			currContextDoc.appendCommand(commandDoc);

			Extension be = command.getExtension(false);
			if (be != null) {
				JRemExtensionDoc extDoc = new JRemExtensionDoc(commandDoc,
						(JRemExtension) be.getImplObj());
				commandDoc.setExtension(extDoc);
			}
		}
		
		protected void finishVisit() {
			configDoc.resetState();
		}
		
		public JRemConfigDoc getConfigDoc() {
			return configDoc;
		}
	};	

	public JRemConfigDocFactory(Config config) {
		this.config = config;
	}
	
	public JRemConfigDoc create() {
		
		ConfigDocBuilderVisitor builder = new ConfigDocBuilderVisitor();
		builder.visit(config);
		
		JRemConfigDoc configDoc = builder.getConfigDoc();
		
		return configDoc;
	}

}