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package fileIO;
import java.io.File;
import java.util.ArrayList;
public class FindFiles {
public static void main(String[] args){
String root=args[0];
// if(root.equals(".")){root=null;}
String prefix=args[1];
String suffix=(args[2].equals("null") ? null : args[2]);
String middle=null;
if(args.length>3){
middle=(args[3].equals("null") ? null : args[3]);
}
boolean NEWLINE=true;
boolean BOTH=true;
ArrayList<String> results=findFiles(root, prefix, suffix, middle);
for(String s : results){
if(NEWLINE){
System.out.println(s);
}else{
System.out.print(s+" ");
}
}
if(BOTH){
System.out.println();
NEWLINE=!NEWLINE;
for(String s : results){
if(NEWLINE){
System.out.println(s);
}else{
System.out.print(s+" ");
}
}
}
}
public FindFiles(String pre, String suf, String mid){
assert(!"*".equals(pre)) : "Use # instead of *, which has problems from the command line";
assert(!"*".equals(suf)) : "Use # instead of *, which has problems from the command line";
prefix=((pre==null || pre.equals("*") || pre.equals("#")) ? null : pre.toLowerCase());
suffix=((suf==null || suf.equals("*") || suf.equals("#")) ? null : suf.toLowerCase());
middle=((mid==null || mid.equals("*") || mid.equals("#")) ? null : mid.toLowerCase());
}
public static ArrayList<String> findFiles(String root, String prefix, String suffix){
return findFiles(root, prefix, suffix, null);
}
public static ArrayList<String> findFiles(String root, String prefix, String suffix, String mid){
FindFiles ff=new FindFiles(prefix, suffix, mid);
return ff.findFiles(root);
}
public ArrayList<String> findFiles(String path){
findFiles(new File(path==null ? "." : path));
return results;
}
public ArrayList<String> findFiles(File path){
if(path.isDirectory()){
File[] array=path.listFiles();
if(array==null){System.err.println("null contents for "+path.getAbsolutePath());}
else{for(File f : array){findFiles(f);}}
}else{
consider(path);
}
return results;
}
public void consider(File in){
// System.out.println("Considering "+in.getAbsolutePath()+" versus '"+prefix+"' '"+suffix+"'");
if(!in.exists()){return;}
assert(in.exists()) : in;
assert(in.isFile());
String abs=in.getAbsolutePath();
// System.out.println("Considering "+abs);
String abs2=abs.toLowerCase();
int slashLoc=abs2.lastIndexOf(slash);
if(slashLoc>-1){
abs2=abs2.substring(slashLoc+1);
}
// System.out.println("a");
if(prefix!=null && !abs2.startsWith(prefix)){return;}
// System.out.println("b");
if(suffix!=null && !abs2.endsWith(suffix)){return;}
// System.out.println("c");
if(middle!=null && !abs2.contains(middle)){return;}
results.add(abs);
}
public ArrayList<String> results=new ArrayList<String>();
public String prefix;
public String suffix;
public String middle;
public static final char slash=System.getProperty("file.separator").charAt(0);
}
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