/*
* 系统名称:基于冉闵开发工具 --> rmdemo
*
* 文件名称: org.quickbundle.tools.support.path --> RmPathHelper.java
*
* 功能描述:
*
* 版本历史: 2006-7-7 20:33:10 创建1.0.0版 (baixiaoyong)
*
*/
package org.quickbundle.tools.support.path;
import java.io.File;
import java.io.FilenameFilter;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Method;
import java.net.URLDecoder;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.quickbundle.base.web.servlet.RmHolderServlet;
import org.quickbundle.config.RmBaseConfig;
import org.quickbundle.tools.helper.xml.RmXmlHelper;
import org.quickbundle.tools.support.log.RmLogHelper;
/**
* 功能、用途、现存BUG:
*
* @author 白小勇
* @version 1.0.0
* @see 需要参见的其它类
* @since 1.0.0
*/
public class RmPathHelper {
/**
* 功能: 创建一个用于热部署tomcat的xml文件
*
*
*/
public static File createWarXml(String tomcatContextFile) {
Document doc = DocumentHelper.createDocument();
Element context = doc.addElement("Context");
context.addAttribute("path", "/" + getWarName());
context.addAttribute("docBase", getWarDir().toString());
context.addAttribute("debug", "0");
context.addAttribute("reloadable", "false");
context.addAttribute("privileged", "true");
if(tomcatContextFile == null) {
tomcatContextFile = getProjectDir().toString() + File.separator + getWarName() + ".xml";
}
RmXmlHelper.saveXmlToPath(doc, tomcatContextFile);
return new File(tomcatContextFile);
}
/**
* 功能: 获得war目录。默认从缓存Servlet上下文取，如没有直接取RmGlobalReference所在目录(后者适用于开发环境)
*
* @return
*/
public static File getWarDir() {
File result = null;
try {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
if(cl == null) {
cl = ClassLoader.getSystemClassLoader();
}
Class clz = cl.loadClass("org.quickbundle.config.RmLoadConfig");
Method customMethod = clz.getDeclaredMethod("getWarDirCustom",new Class[]{});
if(customMethod != null) {
result = (File)customMethod.invoke(null ,new Object[]{});
}
} catch (java.lang.NoSuchMethodException e) {
//ignore NoSuchMethodException
} catch (java.lang.ClassNotFoundException e) {
//ignore NoSuchMethodException
} catch (java.lang.NoClassDefFoundError e) {
//ignore NoSuchMethodException
} catch (Throwable e) {
throw new RuntimeException(e);
}
if(result != null) {
return result;
}
String defaultRealPath = null;
try {
defaultRealPath = RmHolderServlet.getDefaultRealPath("/");
} catch (java.lang.NoClassDefFoundError e) {
//ignore
}
if (defaultRealPath != null) {
return new File(defaultRealPath);
}
File fileClasses = new File(getClassRootPath(RmBaseConfig.class));
if(fileClasses.toString().indexOf("WEB-INF") > -1){
return findParentDir(fileClasses, "WEB-INF").getParentFile();
} else if(fileClasses.toString().indexOf("target/test-classes") > -1) {
return findParentDirContainerFile(fileClasses, "WEB-INF");
}
return null;
}
/**
* 功能: 得到war名称。默认从缓存Servlet上下文取，如没有直接取warDir的name(后者适用于开发环境)
*
* @return
*/
public static String getWarName() {
String defaultServletContextName = null;
try {
defaultServletContextName = RmHolderServlet.getDefaultServletContextName();
} catch (java.lang.NoClassDefFoundError e) {
//ignore
}
if(defaultServletContextName == null || defaultServletContextName.length() == 0) {
try {
//web.xml命名空间
Map<String, String> defaultNameSpaceMap = new HashMap<String, String>();
defaultNameSpaceMap.put("q", "http://java.sun.com/xml/ns/javaee");
//读入web.xml
Document docWebXml = RmXmlHelper.parse(getWebInfDir() + File.separator + "web.xml", defaultNameSpaceMap);
defaultServletContextName = docWebXml.valueOf("/q:web-app/q:display-name");
} catch (Exception e) {
//ignore
}
}
if(defaultServletContextName == null || defaultServletContextName.length() == 0) {
defaultServletContextName = getWarDir().getName();
}
return defaultServletContextName;
}
/**
* 功能: 获得WEB-INF目录。默认从缓存Servlet上下文取，如没有直接取RmGlobalReference所在目录(后者适用于开发环境)
*
* @return
*/
public static File getWebInfDir() {
return new File(getWarDir() + File.separator + "WEB-INF");
}
/**
* 功能: 用于开发环境中获取项目的路径，规则是取warDir的父目录
*
* @return
*/
public static File getProjectDir() {
return getWarDir().getParentFile();
}
/**
* 功能: 用于开发环境中获取项目的名称，规则是取warDir的父目录的name
*
* @return
*/
public static String getProjectName() {
return getProjectDir().getName();
}
/**
* 功能: 递归的寻找父目录中第一个出现fileKey的目录
*
* @param file
* @param fileKey
* @return
*/
public static File findParentDir(File file, String fileKey) {
if (fileKey.equals(file.getName())) {
return file;
} else if (file.getParentFile() != null) {
return findParentDir(file.getParentFile(), fileKey);
} else {
return file.getParentFile();
}
}
/**
* 功能: 递归的寻找父目录中第一个自身等于或子目录包含fileKey的目录
*
* @param file
* @param fileKey
* @return
*/
public static File findParentDirContainerFile(File file, final String fileKey) {
if (fileKey.equals(file.getName())) {
return file;
}
File[] guessFileKeys = file.listFiles(new FilenameFilter() {
public boolean accept(File dir, String name) {
return fileKey.equals(name);
}
});
if(guessFileKeys.length > 0) {
return file;
}
if (file.getParentFile() != null) {
return findParentDir(file.getParentFile(), fileKey);
} else {
return file.getParentFile();
}
}
/**
* 在类中取得当前文件所在的相对路径与绝对路径
*
* @return String
*/
public static String getClassRootPath(Class thisClass) {
String rtStr = "";
String url = String.valueOf(thisClass.getResource(""));
try {
rtStr = URLDecoder.decode(url, RmBaseConfig.getSingleton().getDefaultEncode());
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
rtStr = RmXmlHelper.formatToFile(rtStr);
return rtStr;
}
public static int count = 0;
/**
* 功能: 从File中找出className
*
* @param file
* @param className
*/
public static void findClassFromFile(File[] file, String className) {
count = 0; // 初始化count
String absoluteclassname = className.replace('.', '/') + ".class";
RmLogHelper.getLogger(RmPathHelper.class).info("Find class [" + className + "] in Path [" + file + "] Results:");
for (int i = 0; i < file.length; i++) {
findClassInLocalSystem(file[i].toString(), absoluteclassname);
}
if (count == 0) {
RmLogHelper.getLogger(RmPathHelper.class).warn("Error:Can't Find Such Jar File!");
}
}
private static void findClassInLocalSystem(String path, String classname) {
if (path.charAt(path.length() - 1) != '\\') {
path += '\\';
}
File file = new File(path);
if (!file.exists()) {
RmLogHelper.getLogger(RmPathHelper.class).error("Error: Path not Existed! Please Check it out!");
return;
}
String[] filelist = file.list();
for (int i = 0; i < filelist.length; i++) {
File temp = new File(path + filelist[i]);
if ((temp.isDirectory() && !temp.isHidden() && temp.exists())) {
findClassInLocalSystem(path + filelist[i], classname);
} else {
if (filelist[i].endsWith("jar")) {
try {
java.util.jar.JarFile jarfile = new java.util.jar.JarFile(path + filelist[i]);
for (Enumeration e = jarfile.entries(); e.hasMoreElements();) {
String name = e.nextElement().toString();
if (name.equals(classname)) {
RmLogHelper.getLogger(RmPathHelper.class).info("No." + (++count));
RmLogHelper.getLogger(RmPathHelper.class).info("Jar Package:" + path + filelist[i]);
RmLogHelper.getLogger(RmPathHelper.class).info(name);
}
}
} catch (Exception eee) {
}
}
}
}
}
/**
* 初始化webAppRootKey(如:rmdemo.root)
*
* @return
*/
public static String initWarRoot() {
String warRoot = RmPathHelper.getWarName() + ".root";
System.setProperty(warRoot, RmXmlHelper.formatToUrl(RmPathHelper.getWarDir().toString()) + "/");
return warRoot + "=" + System.getProperty(warRoot);
}
public static void showHowToUsage() {
RmLogHelper.getLogger(RmPathHelper.class).info("Usage: Java -cp . JarClassFind <source path> <source class name>");
RmLogHelper.getLogger(RmPathHelper.class).info("Usage: Java -classpath . JarClassFind <source path> <source class name>");
RmLogHelper.getLogger(RmPathHelper.class).info("");
RmLogHelper.getLogger(RmPathHelper.class).info("<source path>:\t\tPath to Find eg:F:\\JDK");
RmLogHelper.getLogger(RmPathHelper.class).info("<source class name>:\tClass to Find eg:java.applet.Applet");
}
public static void main(String[] args) {
args = new String[] {getWebInfDir() + File.separator + "lib", RmPathHelper.class.getName()};
if (args.length < 2) {
showHowToUsage();
return;
} else {
findClassFromFile(new File[] { new File(args[0]) }, args[1]);
}
System.out.println("RmPathHelper.getWarDir()=" + RmPathHelper.getWarDir());
System.out.println("RmPathHelper.getWarName()=" + RmPathHelper.getWarName());
System.out.println("RmPathHelper.getWebInfDir()=" + RmPathHelper.getWebInfDir());
System.out.println("RmPathHelper.getProjectDir()=" + RmPathHelper.getProjectDir());
System.out.println("RmPathHelper.getProjectName()=" + RmPathHelper.getProjectName());
try {
RmLogHelper.getLogger(RmPathHelper.class).info(String.valueOf(ClassLoader.getSystemResource("")));
RmLogHelper.getLogger(RmPathHelper.class).info(String.valueOf(getWebInfDir()));
} catch (Exception e) {
e.printStackTrace();
}
}
}