com.clickntap.smart.SmartConfServlet Maven / Gradle / Ivy

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Stripecube is an open source Java framework for Web Applications
There is a newer version: 1.30
package com.clickntap.smart;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Properties;

import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.apache.commons.io.FileUtils;
import org.apache.log4j.PropertyConfigurator;

import com.clickntap.utils.ConstUtils;

public class SmartConfServlet implements Servlet {

	public void init(ServletConfig conf) throws ServletException {
		try {
			File root = new File(conf.getServletContext().getRealPath(""));
			File webInf = new File(conf.getServletContext().getRealPath("WEB-INF"));
			File dir = new File(webInf.getCanonicalPath() + getPathSeparator() + "conf");
			File out = new File(dir.getCanonicalPath() + getPathSeparator() + "auto");
			out.mkdirs();
			Properties envProperties = new Properties();
			String envFile = conf.getInitParameter("smartEnv");
			if (envFile != null) {
				if (root.getAbsolutePath().contains("stg")) {
					envFile = envFile.replace("-env", "-stg-env");
				}
				if (root.getAbsolutePath().contains("pre")) {
					envFile = envFile.replace("-env", "-pre-env");
				}
				if (root.getAbsolutePath().contains("demo")) {
					envFile = envFile.replace("-env", "-demo-env");
				}
				if (root.getAbsolutePath().contains("dev")) {
					envFile = envFile.replace("-env", "-dev-env");
				}
				File file = new File(envFile);
				if (!file.exists())
					file = new File(root.getCanonicalPath() + ConstUtils.SLASH + envFile);
				if (!file.exists())
					file = new File(ConstUtils.SLASH + envFile);
				if (file.exists()) {
					FileInputStream in = new FileInputStream(file);
					envProperties.load(in);
					in.close();
					file = new File(file.getCanonicalPath().replace("-env", "-log4j"));
					if (file.exists()) {
						PropertyConfigurator.configure(file.getCanonicalPath().replace("-env", "-log4j"));
					} else {
						System.out.println("LOG4J NOT FOUND: " + file.getCanonicalPath().replace("-env", "-log4j"));
					}
				} else {
					System.out.println("ENV NOT FOUND: " + file.getCanonicalPath());
				}
			}
			FileUtils.cleanDirectory(out);
			if (dir.exists() && dir.isDirectory()) {
				for (File file : dir.listFiles()) {
					if (file.isFile()) {
						String data = FileUtils.readFileToString(file, ConstUtils.UTF_8);
						Enumeration enu = envProperties.keys();
						while (enu.hasMoreElements()) {
							String key = enu.nextElement().toString();
							data = data.replaceAll("\\[" + key + "\\]", envProperties.getProperty(key));
						}
						data = data.replaceAll("\\[WEB-INF\\]", webInf.getCanonicalPath().replace("\\", "/"));
						data = data.replaceAll("\\[ROOT\\]", root.getCanonicalPath().replace("\\", "/"));
						out.mkdirs();
						FileUtils.writeStringToFile(new File(out.getAbsolutePath() + getPathSeparator() + file.getName()), data, ConstUtils.UTF_8);
					}
				}
			}
		} catch (Exception e) {
			throw new ServletException(e);
		}
	}

	private String getPathSeparator() {
		return System.getProperty("file.separator");
	}

	public void destroy() {
	}

	public ServletConfig getServletConfig() {
		return null;
	}

	public String getServletInfo() {
		return null;
	}

	public void service(ServletRequest arg0, ServletResponse arg1) throws ServletException, IOException {

	}

}