codecompletionmanager.java

java 调用windows的api

package org.jawin.browser.codecompletion;

import org.jawin.browser.config.ConfigManager;
import org.jawin.browser.util.FileUtilities;
import org.jawin.browser.log.Log;

import java.io.IOException;

/**
 * Manages code completion configurations
 *
 * <p>Title: Jawin Code Generation GUI</p>
 * <p>Description: GUI for exploring type libraries and generating Java code</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: Open Source Incentive</p>
 *
 * @author Josh Passenger
 * @version 1.0
 */

public class CodeCompletionManager
{

	private static CodeCompletionManager instance = null;

	private CodeCompletionListModel model = null;
	private String configFile = null;

	private CodeCompletionManager()
	{
		configFile = ConfigManager.getInstance().getString("xsl.codeCompletion", "config/xsl_config.xml");
	}

	public static synchronized void initialize()
	{
		instance = new CodeCompletionManager();
		instance.loadConfig();
	}

	public static CodeCompletionManager getInstance()
	{
		if (instance == null)
		{
			throw new IllegalStateException("CodeCompletionManager.getInstance() CodeCompletionManager was not initialized");
		}

		return instance;
	}

	private void loadConfig()
	{
		CodeCompletionParser parser = new CodeCompletionParser();
		model = parser.parseConfig(configFile);
	}

	public void setModel(CodeCompletionListModel newModel)
	{
		model = newModel;
	}

	public CodeCompletionListModel getModel()
	{
		return model;
	}

	/**
	 * Persist this configuration
	 *
	 * @throws IOException
	 */
	public void persist()
	{
		StringBuffer buffer = new StringBuffer();

		buffer.append("<config>\n");

		for (int i = 0; i < model.getSize(); i++)
		{
			model.getConfigAt(i).toXML(buffer);
		}

		buffer.append("</config>");

		try
		{
			FileUtilities.writeBytes(buffer.toString().getBytes(), configFile);
		}
		catch (IOException io)
		{
			Log.getInstance().exception("CodeCompletionManager.persist() failed to save code completion configuration file to: " + configFile, io);
		}
	}
}