Java Jar Usage getClassNameByJar(String jarPath, boolean childPackage)

Description

get Class Name By Jar

License

Open Source License

Declaration

private static List<String> getClassNameByJar(String jarPath, boolean childPackage) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.*;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;

public class Main {

    private static List<String> getClassNameByJar(String jarPath, boolean childPackage) {
        List<String> myClassName = new ArrayList<String>();
        String[] jarInfo = jarPath.split("!");
        String jarFilePath = jarInfo[0].substring(jarInfo[0].indexOf("/"));
        String packagePath = jarInfo[1].substring(1);
        try {//from ww w  .  ja va 2s.  co  m
            JarFile jarFile = new JarFile(jarFilePath);
            Enumeration<JarEntry> entrys = jarFile.entries();
            while (entrys.hasMoreElements()) {
                JarEntry jarEntry = entrys.nextElement();
                String entryName = jarEntry.getName();
                if (entryName.endsWith(".class")) {
                    if (childPackage) {
                        if (entryName.startsWith(packagePath)) {
                            entryName = entryName.replace("/", ".").substring(0, entryName.lastIndexOf("."));
                            myClassName.add(entryName);
                        }
                    } else {
                        int index = entryName.lastIndexOf("/");
                        String myPackagePath;
                        if (index != -1) {
                            myPackagePath = entryName.substring(0, index);
                        } else {
                            myPackagePath = entryName;
                        }
                        if (myPackagePath.equals(packagePath)) {
                            entryName = entryName.replace("/", ".").substring(0, entryName.lastIndexOf("."));
                            myClassName.add(entryName);
                        }
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return myClassName;
    }
}

Related

1. containsClass(JarFile jarFile, String classFilePath)
2. convertAttributes(Attributes attributes)
3. createPacker()
4. findClassesByJar(String packageName, JarFile jar, final boolean recursive, Set> classes)
5. getAttribute(String name, String value)
6. getEntriesName(String jarFileName)
7. getFileNamesWithSuffixForJarFile(JarFile jar, String suffix)
8. getInfo(String jarFileName)
9. getJarInFileList(JarFile jarFile, String targetPath)