import java.io.File;
import java.io.FilenameFilter;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
/**
* Java 8编程å‚考官方教程 第9版_完整版 PDF电å书下载 带书ç¾ç›®å½•
* 官方æºç 转æ¢å·¥å…·
* æºç 下载地å€
www.oraclepressbooks.com
* @author liqiang
*
*/
public class Java8split {
public static void main(String[] args) throws Exception {
File file=new File("E:/j8");
File[] files=file.listFiles(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.endsWith(".lst");
}
});
for (File file2 : files) {
List codes=FileUtils.readLines(file2);
List js=convert(codes,file2);
for (JavaFile javaFile : js) {
if(StringUtils.isEmpty(javaFile.className)){
continue;
}
writeJavaFile(javaFile);
}
}
}
private static void writeJavaFile(JavaFile javaFile) throws Exception {
String path=String.format("E:/code2/%s/%s.java",javaFile.pkg+"/"+javaFile.listing,javaFile.className);
String element=String.format("package %s.%s;", javaFile.pkg,javaFile.listing);
if(javaFile.fileName.equals("Chap16.lst")){
path=String.format("E:/code2/%s/%s.java",javaFile.pkg.replace(".","/"),javaFile.className);
// element=String.format("package %s;", javaFile.pkg);
element=null;
}
File file=new File(path);
if(file.exists()){
System.out.println(file.getAbsolutePath());
}else{
file.getParentFile().mkdirs();
file.createNewFile();
}
if(element!=null){
javaFile.codes.add(0, element);
}
FileUtils.writeLines(file, javaFile.codes);
}
/**
* }结尾的分割
* @param codes
* @param file2
* @return
*/
private static List convert(List codes,File file2) {
String pkg=file2.getName().replace("Chap","").replace(".lst","").toLowerCase();
if(pkg.length()==1){
pkg="0"+pkg;
}
pkg="chap"+pkg;
List files=new ArrayList<>();
JavaFile current=null;
String curr_listing=null;
for (String string : codes) {
if (current == null) {
JavaFile file = new JavaFile();
file.pkg = pkg;
file.fileName=file2.getName();
files.add(file);
current = file;
}
setClassName(current, string);
if(file2.getName().equals("Chap16.lst")){
if (string != null && string.startsWith("package")) {
current.pkg=string.replace("package ","").replace(";","").trim();
}
}
if (string != null && string.startsWith("listing")) {
String l=string.trim().replace("listing","").replaceAll(" ","");
if(l.length()==1){
l="0"+l;
}
curr_listing="listing"+l;
// current.pkg=current.pkg+"."+listing;
}else{
current.codes.add(string);
}
if(curr_listing!=null){
current.listing=curr_listing;
}
if (string!=null&&string.startsWith("}")) {
// if (string!=null&&"}".equals(string.trim())) {
JavaFile file = new JavaFile();
file.pkg = pkg;
file.fileName=file2.getName();
files.add(file);
current = file;
}
}
return files;
}
/**
* class开头的分割
* @param codes
* @param file2
* @return
*/
private static List convert3(List codes,File file2) {
String pkg=file2.getName().replace("Chap","").replace(".lst","").toLowerCase();
if(pkg.length()==1){
pkg="0"+pkg;
}
pkg="chap"+pkg;
List files=new ArrayList<>();
JavaFile current=null;
for (String string : codes) {
if(string!=null&&string.startsWith("listing")){
continue;
}
boolean b=false;
if(string.startsWith("@interface ")||string.startsWith("class ")||string.startsWith("interface ")||string.startsWith("module ")){
b=true;
current = newfile(pkg, files);
current.className=string.split("\\s+")[1];
int idx=current.className.indexOf("<");
if(idx>0){
current.className=current.className.substring(0, idx);
}
}
if(string.startsWith("public @interface ")||string.startsWith("public class ")||string.startsWith("public interface ")||string.startsWith("public module ")){
b=true;
current = newfile(pkg, files);
current.className=string.split("\\s+")[2];
int idx=current.className.indexOf("<");
if(idx>0){
current.className=current.className.substring(0, idx);
}
}
if(current!=null){
current.codes.add(string);
}
}
return files;
}
private static JavaFile newfile(String pkg, List files) {
JavaFile current;
JavaFile file=new JavaFile();
file.pkg=pkg;
files.add(file);
current=file;
return current;
}
/**
* 转æ¢è§„则listing开头的分割
* @param codes
* @param file2
* @return
*/
private static List convert2(List codes,File file2) {
String pkg=file2.getName().replace("Chap","").replace(".lst","").toLowerCase();
if(pkg.length()==1){
pkg="0"+pkg;
}
pkg="chap"+pkg;
List files=new ArrayList<>();
JavaFile current=null;
for (String string : codes) {
if(string!=null&&string.startsWith("listing")){
current = newfile(pkg, files);
}else{
setClassName(current, string);
current.codes.add(string);
}
}
return files;
}
private static void setClassName(JavaFile current, String string) {
if(string.startsWith("@interface ")||string.startsWith("class ")||string.startsWith("enum ")||string.startsWith("interface ")||string.startsWith("module ")){
current.className=string.split("\\s+")[1];
int idx=current.className.indexOf("<");
if(idx>0){
current.className=current.className.substring(0, idx);
}
}
if(string.startsWith("public @interface ")||string.startsWith("public class ")||string.startsWith("public interface ")||string.startsWith("public module ")){
current.className=string.split("\\s+")[2];
int idx=current.className.indexOf("<");
if(idx>0){
current.className=current.className.substring(0, idx);
}
}
}
}
class JavaFile {
String fileName;
String listing;
String pkg=null;
String className=null;
List codes=new ArrayList<>();
}