I'm stuck with a conception problem. I try to parse a folder to get all this directory and files. I want then to select some files using a checkbox to associate to a key reference.(to retrieve them by this key after in the backingBean to set my objects and to populate my database) A key could have several files associated. I don't see how to do it. I'll be great if i could have some help on this.

I don't understand how to retrieve the data from the view in a backing bean because of the complex structure

I write this for the jsf view

<rich:tree id="tree" toggleType="client" selectionType="ajax" var="item" rowKeyVar="rowKeyVar" treeNodeVar="treeNodeVar">

  <rich:treeModelRecursiveAdaptor roots="#{fileSystemBean.sourceRoots}" nodes="#{item.directories}" rowKeyVar="rowKeyVar1" treeNodeVar="treeNodeVar1" >

  <rich:treeNode>#{item.shortPath} > </rich:treeNode>

  <rich:treeModelAdaptor nodes="#{item.files}">
  <rich:treeNode>
  #{item} <h:selectBooleanCheckbox id="selectAll"/> 
  </rich:treeNode>
  </rich:treeModelAdaptor>

  </rich:treeModelRecursiveAdaptor>

 </rich:tree>

I created this backing bean :

public class FileSystemNode {

private String path;
private String shortPath;
private List<String> files;
private List<FileSystemNode> directories;



private static final Function<String, FileSystemNode> FACTORY = new Function<String, FileSystemNode>() {

  public FileSystemNode apply(String from) {
  return new FileSystemNode(from.substring(0, from.length() - 1));
  };

};

private static final Function<String, String> TO_SHORT_PATH = new Function<String, String>() {

  public String apply(String from) {

  int idx = from.lastIndexOf('/');

  if (idx < 0) {
  return from;
  }

  return from.substring(idx + 1);
  };

};

/************************************************************************************************/
/********************************** Constructor **************************************/
/************************************************************************************************/

public FileSystemNode(String path) {

  this.path = path;

  int idx = path.lastIndexOf('/');

  if (idx != -1) {

  shortPath = path.substring(idx + 1);

  } else {

  shortPath = path;

  }
}

/************************************************************************************************/
/********************************** Methods ****************************************************/
/************************************************************************************************/

public synchronized List<FileSystemNode> getDirectories() {

  if (directories == null) {

  directories = Lists.newArrayList();

  Iterables.addAll(directories, transform(filter(getResourcePaths(), containsPattern("/$")), FACTORY));
  }

  return directories;
}

public synchronized List<String> getFiles() {

  if (files == null) {

  files = new ArrayList<String>();

  Iterables.addAll(files, transform(filter(getResourcePaths(), not(containsPattern("/$"))), TO_SHORT_PATH));
  }

  return files;
}

private Iterable<String> getResourcePaths() {


  Set<String> pathsStringified = new HashSet<String>();

  File folder = new File(this.path);


  for (File fileEntry : folder.listFiles()) {

  if (fileEntry.isDirectory()) {  

  String newString = fileEntry.getPath();
  pathsStringified.add(newString+"/");

  } else {
  String newString = fileEntry.getPath();
  pathsStringified.add(newString);

  }

  }

  return pathsStringified;

}


/************************************************************************************************/
/********************************** Getters and Setters ****************************************/
/************************************************************************************************/  

public String getShortPath() {
  return shortPath;
}


public String getPath() {
  return path;
}

public void setPath(String path) {
  this.path = path;
}

public static Function<String, FileSystemNode> getFactory() {
  return FACTORY;
}

public static Function<String, String> getToShortPath() {
  return TO_SHORT_PATH;
}

public void setDirectories(List<FileSystemNode> directories) {
  this.directories = directories;
}

public void setFiles(List<String> files) {
  this.files = files;
}

public void setShortPath(String shortPath) {
  this.shortPath = shortPath;
}  

  }