package com.easyjf.web.config;

import org.apache.log4j.Logger;
import org.dom4j.*;
import org.dom4j.io.*;

import com.easyjf.web.FormConfig;
import com.easyjf.web.FormProperty;
import com.easyjf.web.Globals;
import com.easyjf.web.Module;
import com.easyjf.web.Page;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.*;

/**
 * 
 * <p>
 * Title:XML格式配置文件信息處理
 * </p>
 * <p>
 * Description:讀取XML格式的EasyJWeb框架配置文件信息；
 * </p>
 * <p>
 * Copyright: Copyright (c) 2006
 * </p>
 * <p>
 * Company: www.easyjf.com
 * </p>
 * 
 * @author 蔡世友
 * @version 1.0
 */

public class XMLConfigFactory implements IConfigFactory {
	private Document doc;

	private static final Logger logger = (Logger) Logger
			.getLogger(IConfigFactory.class.getName());

	public XMLConfigFactory() {
		try {
			File file = new File(Globals.CONFIG_FILE_FULL_PATH);
			if (file.exists()) {
				FileInputStream in = new FileInputStream(file);
				SAXReader reader = new SAXReader();
				doc = reader.read(in);
			} else {
				logger.warn("無法找到配置文件" + Globals.CONFIG_FILE_FULL_PATH
						+ ".EasyJWEB將自動使用默認的路徑處理Action!");
			}
		} catch (Exception e) {
			logger.warn("配置文件錯誤！" + e);
		}
	}

	public XMLConfigFactory(InputStream in) {
		try {
			SAXReader reader = new SAXReader();
			doc = reader.read(in);
		} catch (Exception e) {
			logger.warn("配置文件錯誤！" + e);
		}

	}

	public void initForm(Map forms) {
		if (doc == null)
			return;
		List nodes = doc.selectNodes("/easyjf-web/forms/form");
		for (int i = 0; i < nodes.size(); i++) {
			Element e = (Element) nodes.get(i);
			FormConfig fc = new FormConfig();
			fc.setAlertType(e.attributeValue("alertType"));
			fc.setBean(e.attributeValue("bean"));
			fc.setClientValidate(e.attributeValue("clientValidate"));
			fc.setName(e.attributeValue("name"));
			fc.setServerValidate(e.attributeValue("serverValidate"));
			String events = e.attributeValue("event");
			if (events != null && (!events.equals(""))) {
				String[] s = events.split(",");
				if (s != null) {
					List event = new ArrayList();
					for (int t = 0; t < s.length; t++) {
						if (!s[t].equals(""))
							event.add(s[t]);
					}
					fc.setEvent(event);
				}
			}
			List lPage = e.selectNodes("property");
			Map pages = new HashMap();
			for (int j = 0; j < lPage.size(); j++) {

				Element p = (Element) lPage.get(j);
				FormProperty prop = new FormProperty();
				prop.setInitial(p.attributeValue("initial"));
				prop.setName(p.attributeValue("name"));
				prop.setNotNull(p.attributeValue("notNull"));
				prop.setSize(p.attributeValue("size"));
				prop.setType(p.attributeValue("type"));
				events = p.attributeValue("event");
				if (events != null && (!events.equals(""))) {
					String[] s = events.split(",");
					if (s != null) {
						List event = new ArrayList();
						for (int t = 0; t < s.length; t++) {
							if (!s[t].equals(""))
								event.add(s[t]);
						}
						prop.setEvent(event);
					}
				}
				pages.put(prop.getName(), prop);
			}
			fc.setPropertys(pages);
			forms.put(fc.getName(), fc);
		}

	}

	public void initModule(Map modules) {
		if (doc == null)
			return;
		List nodes = doc.selectNodes("/easyjf-web/modules/module");
		for (int i = 0; i < nodes.size(); i++) {
			Element e = (Element) nodes.get(i);
			Module mc = new Module();
			mc.setAction(e.attributeValue("action"));
			mc.setDefaultPage(e.attributeValue("defaultPage"));
			mc.setForm(e.attributeValue("form"));
			mc.setPath(e.attributeValue("path"));
			List lPage = e.selectNodes("page");
			Map pages = new HashMap();
			for (int j = 0; j < lPage.size(); j++) {
				Element p = (Element) lPage.get(j);
				Page page = new Page();
				page.setName(p.attributeValue("name"));
				if (mc.getDefaultPage() == null
						|| mc.getDefaultPage().equals("")) {
					mc.setDefaultPage(page.getName());
				}
				page.setType(p.attributeValue("type"));
				page.setUrl(p.attributeValue("url"));
				pages.put(page.getName(), page);
			}
			List interceptors = e.selectNodes("interceptor");
			for (int j = 0; j < interceptors.size(); j++) {
				Element p = (Element) interceptors.get(j);
				interceptors.add(p.attributeValue("class"));
			}
			mc.setInterceptors(interceptors);
			mc.setPages(pages);
			// System.out.println(mc.getPath());
			modules.put(mc.getPath(), mc);

		}
	}

	public void initPage(Map pages) {
		if (doc == null)
			return;
		List nodes = doc.selectNodes("/easyjf-web/pages/page");
		for (int i = 0; i < nodes.size(); i++) {
			Element e = (Element) nodes.get(i);
			Page page = new Page();
			page.setName(e.attributeValue("name"));
			page.setType(e.attributeValue("type"));
			page.setUrl(e.attributeValue("url"));
			pages.put(page.getName(), page);
		}
	}

	public Map initOther() {
		if (doc == null)
			return null;
		Node node = doc
				.selectSingleNode("/easyjf-web/frame-setting/template-base");
		Map result = new HashMap();
		if (node != null)
			result.put("TemplateBasePath", node.getText());
		// 初始程序
		List appList = doc
				.selectNodes("/easyjf-web/frame-setting/init-app/app-class");
		// logger.info("appList.size:"+appList.size());
		List applist = new ArrayList();
		if (appList != null) {
			for (int i = 0; i < appList.size(); i++) {
				Element e = (Element) appList.get(i);
				String classname = e.attributeValue("class");
				String init = e.attributeValue("init-method");
				String destroy = e.attributeValue("destroy-method");
				String s = classname + ";" + init + ";" + destroy;
				applist.add(s);
			}
		}
		// logger.info("applist.size:"+applist.size());
		result.put("initApp", applist);

		// 初始程序
		List interceptors = doc
				.selectNodes("/easyjf-web/frame-setting/interceptors/app-class");
		if (interceptors != null) {
			for (int i = 0; i < interceptors.size(); i++) {
				Element e = (Element) interceptors.get(i);
				Map app = new HashMap();
				app.put("name", e.attributeValue("name"));
				app.put("class", e.getText());
				interceptors.set(i, app);
			}
		}
		result.put("interceptors", interceptors);

		List list = doc.selectNodes("/easyjf-web/frame-setting/property");
		if (list != null) {
			for (int i = 0; i < list.size(); i++) {
				Element el = (Element) list.get(i);
				result.put(el.attributeValue("name"), el.getText());
			}
		}
		return result;
	}

	public Document parse(String fileName) throws DocumentException {
		SAXReader reader = new SAXReader();
		File file = new File(fileName);
		Document document = file.exists() ? reader.read(fileName) : null;
		return document;
	}

}