org.duracloud.syncui.controller.JQueryFileTreeController Maven / Gradle / Ivy
/*
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://duracloud.org/license/
*/
package org.duracloud.syncui.controller;
import java.io.File;
import java.io.FilenameFilter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
/**
* A spring controller to support jqueryFileTree.js
*
* @author Daniel Bernstein
*/
@Controller
public class JQueryFileTreeController {
@RequestMapping(value = {"/ajax/jqueryFileTree"})
public String get(@RequestParam(value = "dir", required = false) String dir, Model model) throws Exception {
// if blank
List children = new ArrayList();
model.addAttribute("children", children);
if (StringUtils.isBlank(dir)) {
File[] roots = File.listRoots();
// display roots if more than one
if (roots.length > 1) {
// otherwise display the list of multiple roots (windows)
children.addAll(Arrays.asList(roots));
} else {
loadChildren(roots[0], children);
}
} else {
if (dir.charAt(dir.length() - 1) == '\\') {
dir = dir.substring(0, dir.length() - 1) + "/";
} else if (dir.charAt(dir.length() - 1) != '/') {
dir += "/";
}
dir = java.net.URLDecoder.decode(dir, "UTF-8");
File directory = new File(dir);
loadChildren(directory, children);
}
return "jqueryFileTree";
}
private void loadChildren(File directory, List children) {
if (directory.exists()) {
String[] filenames = directory.list(new FilenameFilter() {
public boolean accept(File dir, String name) {
return name.charAt(0) != '.';
}
});
Arrays.sort(filenames, String.CASE_INSENSITIVE_ORDER);
for (String filename : filenames) {
children.add(new File(directory, filename));
}
}
}
}