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package ij.plugin;
import ij.*;
import ij.util.*;
import java.io.*;
import java.util.*;
/** Checks for duplicate class and JAR files in the plugins folders and deletes older duplicates. */
public class ClassChecker implements PlugIn {
String[] paths;
String[] names;
public void run(String arg) {
//long start = System.currentTimeMillis();
deleteDuplicates();
//IJ.log("Time: "+(System.currentTimeMillis()-start));
}
void deleteDuplicates() {
getPathsAndNames();
if (paths==null || paths.length<2) return;
String[] sortedNames = new String[names.length];
for (int i=0; i<names.length; i++)
sortedNames[i] = names[i];
StringSorter.sort(sortedNames);
for (int i=0; i<sortedNames.length-1; i++) {
if (sortedNames[i].equals(sortedNames[i+1]))
delete(sortedNames[i]);
}
}
void delete(String name) {
String path1=null, path2=null;
File file1, file2;
long date1, date2;
for (int i=0; i<names.length; i++) {
if (path1==null && names[i].equals(name)) {
path1 = paths[i] +names[i];
//IJ.log("path1: "+i+" "+name+" "+path1+" "+paths[i]+" "+names[i]);
} else if (path2==null && names[i].equals(name)) {
path2 = paths[i] +names[i];
//IJ.log("path2: "+i+" "+name+" "+path2+" "+paths[i]+" "+names[i]);
}
if (path1!=null && path2!=null) {
file1 = new File(path1);
file2 = new File(path2);
if (file1==null || file2==null) return;
date1 = file1.lastModified();
date2 = file2.lastModified();
if (date1<date2) {
write(path1);
file1.delete();
} else {
write(path2);
file2.delete();
}
break;
}
}
}
void write(String path) {
IJ.log("Deleting duplicate plugin: "+path);
}
/** Gets lists of all the class and jar files in the plugins
folder and subfolders of the plugins folder. */
void getPathsAndNames() {
String path = Menus.getPlugInsPath();
if (path==null) return;
File f = new File(path);
String[] list = f.list();
if (list==null) return;
Vector v1 = new Vector(1000);
Vector v2 = new Vector(1000);
for (int i=0; i<list.length; i++) {
String name = list[i];
if (name.endsWith(".class") || name.endsWith(".jar")) {
v1.addElement(path);
v2.addElement(name);
} else
getSubdirectoryFiles(path, name, v1, v2);
}
paths = new String[v1.size()];
v1.copyInto((String[])paths);
names = new String[v2.size()];
v2.copyInto((String[])names);
}
/** Looks for class and jar files in a subfolders of the plugins folder. */
void getSubdirectoryFiles(String path, String dir, Vector v1, Vector v2) {
if (dir.endsWith(".java")) return;
File f = new File(path, dir);
if (!f.isDirectory()) return;
String[] list = f.list();
if (list==null) return;
dir += Prefs.separator;
for (int i=0; i<list.length; i++) {
String name = list[i];
if (name.endsWith(".class") || name.endsWith(".jar")) {
v1.addElement(path+dir);
v2.addElement(name);
}
}
}
}
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