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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse, Anithra P J, Anithra P J
*******************************************************************************/
package org.eclipse.linuxtools.systemtap.ui.dashboard.structures;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import org.eclipse.linuxtools.systemtap.ui.structures.TreeNode;
import org.eclipse.linuxtools.systemtap.ui.structures.ZipArchive;
import org.eclipse.linuxtools.systemtap.ui.dashboard.views.DashboardView;
import org.eclipse.linuxtools.systemtap.ui.systemtapgui.SystemTapGUISettings;
/**
* This class is responsible for searching through the Dashboard module
* directory and building a tree with their modules.
*/
public class DashboardModuleTreeBuilder {
public DashboardModuleTreeBuilder() {
tree = new TreeNode("Root", "", true);
}
public DashboardModuleTreeBuilder(TreeNode t) {
tree = t;
}
/**
* Returns the tree containing all of the dashboard modules
* @return TreeNode with dashboard modules
*/
public TreeNode getTree() {
return tree;
}
/**
* This method is used to generate the tree of dashboard modules for
* the provided folder.
* @param folder The directory to search for dashboard modules
*/
public void generateTree(File folder) {
scanNextLevel(folder);
}
/**
* This is the main method for this class. It searches through the provided
* file/folder and builds the tree with any dashboard modules it finds.
* @param f The file/folder to scan for modules
*/
private void scanNextLevel(File f) {
File[] fs = f.listFiles(new DashboardModuleFileFilter());
if (fs == null){
return;
}
DashboardMetaData dmd;
DashboardModule dm;
TreeNode location;
for(int i=0; i<fs.length; i++) {
if(fs[i].isDirectory())
scanNextLevel(fs[i]);
else {
try {
File folder = new File(SystemTapGUISettings.tempDirectory + "/bundles/");
if(!folder.exists())
folder.mkdirs();
File file = new File(folder + "/" + fs[i].getName() + ".tmp");
file.createNewFile();
ZipArchive.uncompressFile(file.getAbsolutePath(), fs[i].getAbsolutePath());
ZipArchive.unzipFiles(file.getAbsolutePath(), folder.getAbsolutePath());
dmd = new DashboardMetaData(folder.getAbsolutePath() + DashboardModule.metaFileName);
dm = dmd.getModule();
dm.archiveFile = fs[i];
int index = searchModuleNames(dm.category);
if (index == -1)
{
moduleNames.add(dm.category);
//
DashboardView.addmodulename(dm.category);
}
location = findInsertLocation(dm.category);
location.add(new ModuleTreeNode(dm, dm.display, true));
File[] files = folder.listFiles();
for(int j=0; j<files.length; j++)
files[j].delete();
folder.delete();
} catch(IOException ioe) {}
}
}
}
/**
* This method searches through the tree to find the correct location
* to add the new module. If the path does not exist yet, a new node will
* be created.
* @param path The category the module should be added to
* @return The tree node matching the provided path
*/
private TreeNode findInsertLocation(String path) {
String[] folders = path.split("\\p{Punct}");
TreeNode level = tree;
//
for(int j,i=0; i<folders.length; i++) {
for(j=0; j<level.getChildCount(); j++) {
if(level.getChildAt(j).toString().equals(folders[i]))
break;
}
if(j >= level.getChildCount())
level.add(new TreeNode("", folders[i], true));
level = level.getChildAt(j);
}
return level;
}
private int searchModuleNames(String moduleName) {
//
if(moduleNames.size() > 0)
{
for (int i = 0; i<moduleNames.size();i++)
{
if (moduleName.equals(moduleNames.get(i))) return i;
}
}
return -1;
}
private TreeNode tree;
public static ArrayList<String> moduleNames = new ArrayList<String>();
}
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