Java Code Examples for org.openide.filesystems.FileObject#getChildren()

/**
 * Generic method to invoke commands available from the menu bar. The actionName passed in is usually
 * the concatentaion of the words making the menu items:
 * e.g. performAction("FileOpen") is equivalent to picking the cascade menu File->Open Model
 * 
 * @param actionName
 */
static public void performAction(String actionName) {
    FileObject myActionsFolder = FileUtil.getConfigFile("Actions/Edit");
    FileObject[] myActionsFolderKids = myActionsFolder.getChildren();
    for (FileObject fileObject : myActionsFolderKids) {
        //Probably want to make this more robust,
        //but the point is that here we find a particular Action:
        if (fileObject.getName().contains(actionName)) {
            try {
                DataObject dob = DataObject.find(fileObject);
                InstanceCookie ic = dob.getLookup().lookup(InstanceCookie.class);
                if (ic != null) {
                    Object instance = ic.instanceCreate();
                    if (instance instanceof CallableSystemAction) {
                        CallableSystemAction a = (CallableSystemAction) instance;
                        a.performAction();
                    }
                }
                break;
            } catch (Exception e) {
                ErrorManager.getDefault().notify(ErrorManager.WARNING, e);
             }
        }
    }

}
 

public static String findLicenseByMavenProjectContent(MavenProject mp) {
    // try to match the project's license URL and the mavenLicenseURL attribute of license template
    FileObject licensesFO = FileUtil.getConfigFile("Templates/Licenses"); //NOI18N
    if (licensesFO == null) {
        return null;
    }
    FileObject[] licenseFiles = licensesFO.getChildren();
    for (License license : mp.getLicenses()) {
        String url = license.getUrl();
        if (url != null) {
            for (FileObject fo : licenseFiles) {
                String str = (String)fo.getAttribute("mavenLicenseURL"); //NOI18N
                if (str != null && Arrays.asList(str.split(" ")).contains(url)) {
                    if (fo.getName().startsWith("license-")) { // NOI18N
                        return fo.getName().substring("license-".length()); //NOI18N
                    } else {
                        Logger.getLogger(TemplateAttrProvider.class.getName()).log(Level.WARNING, "Bad license file name {0} (expected to start with ''license-'' prefix)", fo.getName());
                    }
                    break;
                }
            }
        }
    }
    return null;
}
 

private void monitor(String path) throws IllegalArgumentException {
    if ((path == null) || (path.length() == 0)) {
        throw new IllegalArgumentException("The path \"" + path + "\" can't be null."); // NOI18N
    }

    FileObject fo = FileUtil.toFileObject(FileUtil.normalizeFile(new File(path)));

    if (fo != null) {
        if (!fo.isFolder()) {
            throw new IllegalArgumentException("The given path \"" + path + "\" is invalid. It must be a folder"); // NOI18N
        }

        fo.getChildren();
        fo.addFileChangeListener(listener);
        monitoredPath = fo;
    }
}
 

public int getSnapshotsCountFor(Lookup.Provider project) {
    int count = 0;
    try {
        FileObject snapshotsFolder = ProfilerStorage.getProjectFolder(project, false);
        FileObject[] children;
        
        if (snapshotsFolder == null) {
            return count;
        }
        snapshotsFolder.refresh();
        children = snapshotsFolder.getChildren();
        for (FileObject child : children) {
            if (child.getExt().equalsIgnoreCase(SNAPSHOT_EXTENSION) ||
                checkHprofFile(FileUtil.toFile(child))) count++;
        }
    } catch (IOException e) {
        LOGGER.log(Level.SEVERE, Bundle.ResultsManager_ObtainSavedSnapshotsFailedMsg(e.getMessage()), e);            
    }
    return count;
}
 

private static void _reload(Set<String> set, List<FileObject> eventSources) {
    // Get the root of the MimeLookup registry
    FileObject fo = FileUtil.getConfigFile("Editors"); //NOI18N

    // Generally may not exist (e.g. in tests)
    if (fo != null) {
        // Go through mime type types
        FileObject [] types = fo.getChildren();
        for(int i = 0; i < types.length; i++) {
            if (!isValidType(types[i])) {
                continue;
            }

            // Go through mime type subtypes
            FileObject [] subTypes = types[i].getChildren();
            for(int j = 0; j < subTypes.length; j++) {
                if (!isValidSubtype(subTypes[j])) {
                    continue;
                }

                String mimeType = types[i].getNameExt() + "/" + subTypes[j].getNameExt(); //NOI18N
                set.add(mimeType);
            }

            eventSources.add(types[i]);
        }

        eventSources.add(fo);
    }
}
 

private void refreshGroupsFolder () {
    FileObject [] arr = groupsModuleFolder.getChildren();

    groupsModuleChildren.clear();
    for (FileObject fo : arr) {
        if (fo.isFolder()) {
            groupsModuleChildren.add(fo);
            fo.getChildren();  // #156573 - to get events about children
        }
    }
}
 

private void restoreConfigurations (final Operations original) {
    final FileSystem fs = original.configs;
    original.configs = null;
    if (fs != null) {
        try {
            FileObject fo = fs.getRoot().getFileObject("config.properties");        //NOI18N
            if (fo != null) {
                FileObject privateFolder = FileUtil.createFolder(project.getProjectDirectory(), "nbproject/private");  //NOI18N
                if (privateFolder != null) {
                    // #131857: SyncFailedException : check for file existence before FileUtil.copyFile
                    FileObject oldFile = privateFolder.getFileObject(fo.getName(), fo.getExt());
                    if (oldFile != null) {
                        //Probably delete outside of IDE + move. First try to repair FS cache
                        privateFolder.refresh();
                        oldFile = privateFolder.getFileObject(fo.getName(), fo.getExt());
                        if (oldFile != null) {
                            //The file still exists, delete it.
                            oldFile.delete();
                        }
                    }

                    FileUtil.copyFile(fo, privateFolder, fo.getName());
                }
            }
            fo = fs.getRoot().getFileObject("configs");                             //NOI18N
            if (fo != null) {
                FileObject configsFolder = FileUtil.createFolder(project.getProjectDirectory(), "nbproject/private/configs");  //NOI18N
                if (configsFolder != null) {
                    for (FileObject child : fo.getChildren()) {
                        FileUtil.copyFile(child, configsFolder, child.getName());
                    }
                }
            }
        } catch (IOException ioe) {
            Exceptions.printStackTrace(ioe);
        }
    }
}
 

private List<String> getAllPolicyIds(Map<String,String> descriptions) {
    File home = platformImpl.getMiddlewareHome();
    FileObject middlewareHome = FileUtil.toFileObject(FileUtil.normalizeFile(home));
    FileObject modules = middlewareHome.getFileObject(ORACLE_COMMON_MODULES); //NOI18N
    if (modules == null) {
        return Collections.emptyList();
    }
    FileObject policiesFolder = null;
    for (FileObject folder : modules.getChildren()) {
        if (folder.getName().startsWith("oracle.wsm.policies")) {
            // NOI18N
            policiesFolder = folder;
            break;
        }
    }
    if (policiesFolder == null) {
        return Collections.emptyList();
    }
    FileObject[] jars = policiesFolder.getChildren();
    FileObject policies = null;
    for (FileObject jar : jars) {
        FileObject archiveRoot = FileUtil.getArchiveRoot(jar);
        policies = archiveRoot.getFileObject("META-INF/policies/oracle/"); //      NOI18N
        if (policies != null) {
            break;
        }
    }
    List<String> allIds = new LinkedList<String>();
    if (policies != null) {
        for (FileObject fileObject : policies.getChildren()) {
            String name = fileObject.getName();
            allIds.add(name);
            if ( descriptions!= null ){ 
                descriptions.put( name , readFile(fileObject) );
            }
        }
    }
    return allIds;
}
 

private static int unregisterWebLogicInstance(String clusterDirValue,
        String serverDirValue, String domainDirValue) {
    // tell the infrastructure that the userdir is cluster dir
    System.setProperty("netbeans.user", clusterDirValue); // NOI18N

    // we could do this via registry, but the classspath would explode
    FileObject serverInstanceDir = FileUtil.getConfigFile("J2EE/InstalledServers"); // NOI18N

    if (serverInstanceDir == null) {
        LOGGER.log(Level.INFO, "The config/J2EE/InstalledServers folder does not exist."); // NOI18N
        return 2;
    }

    Pattern pattern = Pattern.compile(
            "^" + Pattern.quote(WLDeploymentFactory.URI_PREFIX) // NOI18N
            + "(.+):(.+):" // NOI18N
            + Pattern.quote(serverDirValue)
            + ":" + Pattern.quote(domainDirValue) + "$"); // NOI18N

    try {
        for (FileObject f : serverInstanceDir.getChildren()) {
            String url = f.getAttribute(InstanceProperties.URL_ATTR).toString();
            if (url != null) {
                if (pattern.matcher(url).matches()) {
                    f.delete();
                    return 0;
                }
            }
        }
    } catch (IOException ex) {
        LOGGER.log(Level.INFO, "Cannot unregister the default WebLogic server."); // NOI18N
        LOGGER.log(Level.INFO, null, ex);
        return 6;
    }
    return 0;
}
 

private void settingsButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_settingsButtonActionPerformed
    FileObject dir = FileUtil.getConfigFile(TEMPLATES_FOLDER+"/Properties");
    if (dir == null) {
        settingsButton.setEnabled(false);
        return ;
    }
    for (Enumeration<? extends FileObject> en = dir.getChildren(true); en.hasMoreElements(); ) {
        FileObject fo = en.nextElement();
        try {
            DataObject dobj = DataObject.find(fo);
            EditCookie ec = dobj.getLookup().lookup(EditCookie.class);
            if (ec != null) {
                ec.edit ();
            } else {
                OpenCookie oc = dobj.getLookup().lookup(OpenCookie.class);
                if (oc != null) {
                    oc.open ();
                } else {
                    continue;
                }
            }
            // Close the Templates dialog
            closeDialog(this);
        } catch (DataObjectNotFoundException ex) {
            continue;
        }
    }
}
 

@CheckForNull
ProjectConvertor.Result isProject(@NonNull final FileObject folder) {
    for (FileObject fo : folder.getChildren()) {
        if (requiredPattern.matcher(fo.getNameExt()).matches()) {
            return getProjectConvertor().isProject(folder);
        }
    }
    return null;
}
 

public String[] getSounds() {
    FileObject assetsFolder = getAssetFolder();
    if (assetsFolder == null) {
        return new String[]{};
    }
    Enumeration<FileObject> assets = (Enumeration<FileObject>) assetsFolder.getChildren(true);
    ArrayList<String> list = new ArrayList<String>();
    while (assets.hasMoreElements()) {
        FileObject asset = assets.nextElement();
        if (asset.getExt().equalsIgnoreCase("wav") || asset.getExt().equalsIgnoreCase("ogg")) {
            list.add(getRelativeAssetPath(asset.getPath()));
        }
    }
    return list.toArray(new String[list.size()]);
}
 

/**
 * Determines all files and folders that belong to a given project and adds them to the supplied Collection.
 *
 * @param filteredFiles destination collection of Files
 * @param project project to examine
 */
public static void addProjectFiles(Collection<File> filteredFiles, Collection<File> rootFiles, Collection<File> rootFilesExclusions, Project project) {
    FileStatusCache cache = Subversion.getInstance().getStatusCache();
    Sources sources = ProjectUtils.getSources(project);
    SourceGroup [] sourceGroups = sources.getSourceGroups(Sources.TYPE_GENERIC);
    for (int j = 0; j < sourceGroups.length; j++) {
        SourceGroup sourceGroup = sourceGroups[j];
        FileObject srcRootFo = sourceGroup.getRootFolder();
        File rootFile = FileUtil.toFile(srcRootFo);
        if (rootFile == null || (cache.getStatus(rootFile).getStatus() & FileInformation.STATUS_MANAGED) == 0) continue;
        rootFiles.add(rootFile);
        boolean containsSubprojects = false;
        FileObject [] rootChildren = srcRootFo.getChildren();
        Set<File> projectFiles = new HashSet<File>(rootChildren.length);
        for (int i = 0; i < rootChildren.length; i++) {
            FileObject rootChildFo = rootChildren[i];
            if (isAdministrative(rootChildFo.getNameExt())) continue;
            File child = FileUtil.toFile(rootChildFo);
            if (child == null) {
                continue;
            }
            if (sourceGroup.contains(rootChildFo)) {
                // TODO: #60516 deep scan is required here but not performed due to performace reasons
                projectFiles.add(child);
            } else {
                int status = cache.getStatus(child).getStatus();
                if (status != FileInformation.STATUS_NOTVERSIONED_EXCLUDED) {
                    rootFilesExclusions.add(child);
                    containsSubprojects = true;
                }
            }
        }
        if (containsSubprojects) {
            filteredFiles.addAll(projectFiles);
        } else {
            filteredFiles.add(rootFile);
        }
    }
}
 

private void registerOperatorUIs() {
    FileObject fileObj = FileUtil.getConfigFile("OperatorUIs");
    if(fileObj == null) {
        SystemUtils.LOG.warning("No operatorUIs found.");
        return;
    }
    final FileObject[] files = fileObj.getChildren();
    final List<FileObject> orderedFiles = FileUtil.getOrder(Arrays.asList(files), true);
    for (FileObject file : orderedFiles) {
        OperatorUIDescriptor operatorUIDescriptor = null;
        try {
            operatorUIDescriptor = createOperatorUIDescriptor(file);
        } catch (Exception e) {
            SystemUtils.LOG.severe(String.format("Failed to create operatorUI from layer.xml path '%s'", file.getPath()));
        }
        if (operatorUIDescriptor != null) {
            // must have only one operatorUI per operator
            final OperatorUIDescriptor existingDescriptor = operatorUIDescriptors.get(operatorUIDescriptor.getOperatorName());
            if (existingDescriptor != null) {
                SystemUtils.LOG.info(String.format("OperatorUI [%s] has been redeclared for [%s]!\n",
                                                   operatorUIDescriptor.getId(), operatorUIDescriptor.getOperatorName()));
            }

            operatorUIDescriptors.put(operatorUIDescriptor.getOperatorName(), operatorUIDescriptor);
            SystemUtils.LOG.fine(String.format("New operatorUI added from layer.xml path '%s': %s",
                                               file.getPath(), operatorUIDescriptor.getOperatorName()));
        }
    }
}
 

@Override
public Iterable<JavaFileObject> list(final Location l, final String packageName, final Set<JavaFileObject.Kind> kinds, final boolean recursive) {
    //Todo: Caching of results, needs listening on FS
    List<JavaFileObject> result = new ArrayList<JavaFileObject> ();
    String _name = packageName.replace('.','/');    //NOI18N
    if (_name.length() != 0) {
        _name+='/';                                 //NOI18N
    }
    for (ClassPath.Entry entry : this.sourceRoots.entries()) {
        if (ignoreExcludes || entry.includes(_name)) {
            FileObject root = entry.getRoot();
            if (root != null) {
                FileObject tmpFile = root.getFileObject(_name);
                if (tmpFile != null && tmpFile.isFolder()) {
                    Enumeration<? extends FileObject> files = tmpFile.getChildren (recursive);
                    while (files.hasMoreElements()) {
                        FileObject file = files.nextElement();
                        if (ignoreExcludes || entry.includes(file)) {
                            final JavaFileObject.Kind kind = FileObjects.getKind(file.getExt());                                
                            if (kinds.contains(kind)) {                        
                                result.add (FileObjects.sourceFileObject(file, root));
                            }
                        }
                    }
                }
            }
        }
    }
    return result;
}
 

/**
 * Recursively collects the java files from the given folder into the
 * given <code>result</code>.
 */
public static void collectChildren(FileObject folder, List<FileObject> result) {
    for (FileObject child : folder.getChildren()) {
        if (RefactoringUtil.isJavaFile(child)) {
            result.add(child);
        } else if (child.isFolder()) {
            collectChildren(child, result);
        }
    }
}
 

private void fetchInstances(Server server) {
    FileObject dir = FileUtil.getConfigFile(DIR_INSTALLED_SERVERS);
    FileObject[] ch = dir.getChildren();
    for (int i = 0; i < ch.length; i++) {
        String url = (String) ch[i].getAttribute(URL_ATTR);
        if (url != null && server.handlesUri(url)) {
            addInstance(ch[i]);
        }
    }
}
 

private void renameFolder(FileObject folderObject, String oldFolderName, String newFolderName) {
    FileObject[] fileObjs = folderObject.getChildren();
    for (FileObject file : fileObjs) {

        if (file.isFolder()) {
            renameFolder(file, oldFolderName, newFolderName);
        } else {
            String newDisplayName = Page.getFolderDisplayName(webFolder, file);
            String oldDisplayName = newDisplayName.replaceFirst(newFolderName, oldFolderName);
            renameFile(file, oldDisplayName, newDisplayName);
        }
    }
}
 

public FileObject[] listSavedHeapdumps(Lookup.Provider project, File directory) {
    try {
        FileObject snapshotsFolder = null;
                
        if (project == null && directory != null) {
            snapshotsFolder = FileUtil.toFileObject(directory);
        } else {
            snapshotsFolder = ProfilerStorage.getProjectFolder(project, false);
        }

        if (snapshotsFolder == null) {
            return new FileObject[0];
        }

        snapshotsFolder.refresh();

        FileObject[] children = snapshotsFolder.getChildren();

        ArrayList /*<FileObject>*/ files = new ArrayList /*<FileObject>*/();

        for (int i = 0; i < children.length; i++) {
            FileObject child = children[i];
            if (checkHprofFile(FileUtil.toFile(children[i])))
                files.add(child);
        }

        Collections.sort(files,
                         new Comparator() {
                public int compare(Object o1, Object o2) {
                    FileObject f1 = (FileObject) o1;
                    FileObject f2 = (FileObject) o2;

                    return f1.getName().compareTo(f2.getName());
                }
            });

        return (FileObject[])files.toArray(new FileObject[0]);
    } catch (IOException e) {
        LOGGER.log(Level.SEVERE, Bundle.ResultsManager_ObtainSavedSnapshotsFailedMsg(e.getMessage()), e);

        return new FileObject[0];
    }
}
 

/**
 * Returns full names of all primary Java classes
 * withing the specified folder (non-recursive).
 *
 * @param  packageFolder  folder to search
 * @param  classPath  classpath to be used for the search
 * @return  list of full names of all primary Java classes
 *          within the specified package
 */
public static List<String> getJavaFileNames(FileObject packageFolder, ClasspathInfo cpInfo) {
    FileObject[] children = packageFolder.getChildren();
    if (children.length == 0) {
        return Collections.<String>emptyList();
    }
    
    final Collection<FileObject> javaFiles = new ArrayList<FileObject>(children.length);
    for (FileObject child : children) {
        if (!child.isFolder()
                && child.isValid()
                && child.getMIMEType().equals(JAVA_MIME_TYPE)) {
            javaFiles.add(child);
        }
    }
    if (javaFiles.isEmpty()) {
        return Collections.<String>emptyList();
    }

    FileObject[] javaFilesArr = (javaFiles.size() == children.length)
                                ? children
                                : javaFiles.toArray(new FileObject[javaFiles.size()]);
    final JavaSource source = JavaSource.create(cpInfo, javaFilesArr);
    if (source == null) {
        ErrorManager.getDefault().log(
                ErrorManager.EXCEPTION,
                "Could not get JavaSource for files "               //NOI18N
                        + javaFilesArr);
        return Collections.<String>emptyList();
    }

    List<ElementHandle<TypeElement>> topClasses;
    try {
        topClasses = TopClassFinder.findMainTopClasses(source);
    } catch (IOException ex) {
        Exceptions.printStackTrace(ex);
        topClasses = null;
    }
    if ((topClasses == null) || topClasses.isEmpty()) {
        return Collections.<String>emptyList();
    }
        
    final List<String> result = new ArrayList<String>(topClasses.size());
    for (ElementHandle<TypeElement> topClassHandle : topClasses) {
        result.add(topClassHandle.getQualifiedName());
    }
    return result.isEmpty() ? Collections.<String>emptyList() : result;
}