修改类扫描器以支持扫描包中包 · Pull Request !85 · JbootProjects/jboot

使用springboot启动器启动包含jboot框架的jar包时，可以让jboot扫描其BOOT-INF/lib/里面的所有jar包，主要代码如下：
    private static void addClassesFromJar(String jarPath) {
        JarFile jarFile = null;
        try {
            jarFile = new JarFile(jarPath);
            Enumeration<JarEntry> entries = jarFile.entries();
            while (entries.hasMoreElements()) {
                JarEntry jarEntry = entries.nextElement();
                if (jarEntry.isDirectory()) {
                    String entryName = jarEntry.getName();
                    if (isPrintScannerInfoEnable()) {
                        System.out.println("Jboot Scan entryName: " + entryName);
                    }

if (entryName.startsWith("BOOT-INF/classes/")) {
                        if (entryName.endsWith(".class")) {
                            String className = entryName.replace("/", ".").substring(0, entryName.length() - 6);
                            addClass(classForName(className));
                        }
                    }
                }
                else {
                    String entryName = jarEntry.getName();
                    if (entryName.endsWith(".class")) {
                        String className = entryName.replace("/", ".").substring(0, entryName.length() - 6);
                        addClass(classForName(className));
                    }
                    else if (entryName.startsWith("BOOT-INF/lib/") && entryName.endsWith(".jar")) {
                        if (!isIncludeJar(entryName)) {
                            continue;
                        }

if (isPrintScannerInfoEnable()) {
                            System.out.println("Jboot Scan Jar: " + entryName);
                        }
                        JarInputStream jarIS = new JarInputStream(jarFile
                                .getInputStream(jarEntry));

JarEntry innerEntry = jarIS.getNextJarEntry();
                        while (innerEntry != null) {
                            if (!innerEntry.isDirectory()) {
                                String nestedEntryName = innerEntry.getName();
                                if (nestedEntryName.endsWith(".class")) {
                                    String className = nestedEntryName.replace("/", ".").substring(0, nestedEntryName.length() - 6);
                                    addClass(classForName(className));
                                }
                            }
                            innerEntry = jarIS.getNextJarEntry();
                        }
                        if (jarIS != null) {
                        	jarIS.close();
                        }
                    }
                }
            }
        } catch (IOException e1) {
        } finally {
            if (jarFile != null) {
                try {
                    jarFile.close();
                } catch (IOException e) {
                }
            }
        }
    }

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