Example usage for org.apache.commons.vfs2 FileObject getChildren

List of usage examples for org.apache.commons.vfs2 FileObject getChildren

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Introduction

In this page you can find the example usage for org.apache.commons.vfs2 FileObject getChildren.

Prototype

FileObject[] getChildren() throws FileSystemException;

Source Link

Document

Lists the children of this file.

Usage

From source file:org.wso2.carbon.connector.FileArchiveConnector.java

/**
 * Add the all files into List.//from   w  ww  . java 2  s .c  o m
 *
 * @param dir      The source file/folder directory.
 * @param fileList List for adding the files.
 */
private void addAllFilesToList(FileObject dir, List<FileObject> fileList) {
    try {
        FileObject[] children = dir.getChildren();
        for (FileObject child : children) {
            fileList.add(child);
            if (FileType.FOLDER.equals(child.getType())) {
                addAllFilesToList(child, fileList);
            }
        }
    } catch (FileSystemException e) {
        throw new SynapseException("Unable to add all files into List", e);
    } finally {
        try {
            dir.close();
        } catch (FileSystemException e) {
            log.error("Error while closing the FileObject", e);
        }
    }
}

From source file:org.wso2.carbon.connector.FileArchives.java

/**
 * @param dir            source file directory
 * @param fileList       list of file inside directory
 * @param messageContext The message context that is generated for processing the file
 *///from w w w . j  a va2 s.c  o  m
private void getAllFiles(FileObject dir, List<FileObject> fileList, MessageContext messageContext) {
    try {
        FileObject[] children = dir.getChildren();
        for (FileObject child : children) {
            fileList.add(child);
            if (child.getType() == FileType.FOLDER) {
                getAllFiles(child, fileList, messageContext);
            }
        }
    } catch (IOException e) {
        handleException("Unable to get all files", e, messageContext);
    }
}

From source file:org.wso2.carbon.connector.FileCopy.java

/**
 * Copy files/*from   www  .j  av  a2  s  .  c om*/
 *
 * @param source         Location of the file
 * @param destination    new file location
 * @param filePattern    pattern of the file
 * @param messageContext The message context that is generated for processing the file
 * @param opts           FileSystemOptions
 * @return return a resultStatus
 */
private boolean copyFile(String source, String destination, String filePattern, MessageContext messageContext,
        FileSystemOptions opts) {
    boolean resultStatus = false;
    StandardFileSystemManager manager = null;
    try {
        manager = FileConnectorUtils.getManager();
        FileObject souFile = manager.resolveFile(source, opts);
        FileObject destFile = manager.resolveFile(destination, opts);
        if (StringUtils.isNotEmpty(filePattern)) {
            FileObject[] children = souFile.getChildren();
            for (FileObject child : children) {
                if (child.getType() == FileType.FILE) {
                    copy(source, destination, filePattern, opts);
                } else if (child.getType() == FileType.FOLDER) {
                    String newSource = source + File.separator + child.getName().getBaseName();
                    copyFile(newSource, destination, filePattern, messageContext, opts);
                }
            }
            resultStatus = true;
        } else {
            if (souFile.exists()) {
                if (souFile.getType() == FileType.FILE) {
                    InputStream fileIn = null;
                    OutputStream fileOut = null;
                    try {
                        String name = souFile.getName().getBaseName();
                        FileObject outFile = manager.resolveFile(destination + File.separator + name, opts);
                        //TODO make parameter sense
                        fileIn = souFile.getContent().getInputStream();
                        fileOut = outFile.getContent().getOutputStream();
                        IOUtils.copyLarge(fileIn, fileOut);
                        resultStatus = true;
                    } catch (FileSystemException e) {
                        log.error("Error while copying a file " + e.getMessage());
                    } finally {
                        try {
                            if (fileOut != null) {
                                fileOut.close();
                            }
                        } catch (Exception e) {
                            log.error("Error while closing OutputStream: " + e.getMessage(), e);
                        }
                        try {
                            if (fileIn != null) {
                                fileIn.close();
                            }
                        } catch (Exception e) {
                            log.error("Error while closing InputStream: " + e.getMessage(), e);
                        }
                    }
                } else if (souFile.getType() == FileType.FOLDER) {
                    destFile.copyFrom(souFile, Selectors.SELECT_ALL);
                    resultStatus = true;
                }
                if (log.isDebugEnabled()) {
                    log.debug("File copying completed from " + source + "to" + destination);
                }
            } else {
                log.error("The File Location does not exist.");
                resultStatus = false;
            }
        }
        return resultStatus;
    } catch (IOException e) {
        handleException("Unable to copy a file/folder", e, messageContext);
    } finally {
        if (manager != null) {
            manager.close();
        }
    }
    return resultStatus;
}

From source file:org.wso2.carbon.connector.FileCopy.java

/**
 * @param source      file location//from   ww w  .  j  av a 2 s .  c  o m
 * @param destination target file location
 * @param filePattern pattern of the file
 * @param opts        FileSystemOptions
 * @throws IOException
 */
private void copy(String source, String destination, String filePattern, FileSystemOptions opts)
        throws IOException {
    StandardFileSystemManager manager = FileConnectorUtils.getManager();
    FileObject souFile = manager.resolveFile(source, opts);
    FileObject[] children = souFile.getChildren();
    FilePattenMatcher patternMatcher = new FilePattenMatcher(filePattern);
    for (FileObject child : children) {
        try {
            if (patternMatcher.validate(child.getName().getBaseName())) {
                String name = child.getName().getBaseName();
                FileObject outFile = manager.resolveFile(destination + File.separator + name, opts);
                outFile.copyFrom(child, Selectors.SELECT_FILES);
            }
        } catch (IOException e) {
            log.error("Error occurred while copying a file. " + e.getMessage(), e);
        }
    }
    manager.close();
}

From source file:org.wso2.carbon.connector.FileCopyConnector.java

/**
 * Copy the file or folder from source to destination.
 *
 * @param messageContext The message context that is generated for processing the file.
 * @param opts           FileSystemOptions.
 * @return return true, if file/folder is successfully copied.
 *///w w  w .  ja va 2 s  .c  o  m
private boolean copyFile(String source, MessageContext messageContext, FileSystemOptions opts) {
    String destination = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.NEW_FILE_LOCATION);
    String filePattern = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.FILE_PATTERN);
    String includeParentDir = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.INCLUDE_PARENT_DIRECTORY);
    boolean includeParentDirectory = FileConstants.DEFAULT_INCLUDE_PARENT_DIRECTORY;

    if (StringUtils.isNotEmpty(includeParentDir)) {
        includeParentDirectory = Boolean.parseBoolean(includeParentDir);
    }
    boolean resultStatus = false;
    StandardFileSystemManager manager = FileConnectorUtils.getManager();
    FileObject souFile = null;
    FileObject destFile = null;
    try {
        souFile = manager.resolveFile(source, opts);
        destFile = manager.resolveFile(destination, opts);
        if (!souFile.exists()) {
            log.error("The File Location does not exist.");
            return false;
        }
        if (StringUtils.isNotEmpty(filePattern)) {
            FileObject[] children = souFile.getChildren();
            for (FileObject child : children) {
                if (FileType.FILE.equals(child.getType())) {
                    copy(child, destination, filePattern, opts, manager);
                } else if (FileType.FOLDER.equals(child.getType())) {
                    String newSource = source + File.separator + child.getName().getBaseName();
                    copyFile(newSource, messageContext, opts);
                }
            }
        } else {
            if (FileType.FILE.equals(souFile.getType())) {
                String name = souFile.getName().getBaseName();
                FileObject outFile = manager.resolveFile(destination + File.separator + name, opts);
                outFile.copyFrom(souFile, Selectors.SELECT_ALL);
            } else if (FileType.FOLDER.equals(souFile.getType())) {
                if (includeParentDirectory) {
                    destFile = manager
                            .resolveFile(destination + File.separator + souFile.getName().getBaseName(), opts);
                    destFile.createFolder();
                }
                destFile.copyFrom(souFile, Selectors.SELECT_ALL);
            }
            if (log.isDebugEnabled()) {
                log.debug("File copying completed from " + source + "to" + destination);
            }
        }
    } catch (FileSystemException e) {
        throw new SynapseException("Unable to copy a file/folder", e);
    } finally {
        manager.close();
    }
    try {
        souFile.close();
        destFile.close();
    } catch (FileSystemException e) {
        log.error("Error while closing the FileObject", e);
    }
    return true;
}

From source file:org.wso2.carbon.connector.FileDeleteConnector.java

/**
 * Delete an existing file/folder.// w  w w  .  j av  a  2s. c om
 *
 * @param messageContext The message context that is generated for processing the file.
 * @return true, if the file/folder is successfully deleted.
 */
private boolean deleteFile(MessageContext messageContext) {
    String source = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.FILE_LOCATION);
    StandardFileSystemManager manager = FileConnectorUtils.getManager();
    FileObject remoteFile = null;
    try {
        // create remote fileObject
        remoteFile = manager.resolveFile(source, FileConnectorUtils.init(messageContext));
        if (!remoteFile.exists()) {
            log.error("The file does not exist.");
            return false;
        }
        if (FileType.FILE.equals(remoteFile.getType())) {
            // delete a file
            remoteFile.delete();
        } else if (FileType.FOLDER.equals(remoteFile.getType())) {
            String filePattern = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
                    FileConstants.FILE_PATTERN);

            if (StringUtils.isNotEmpty(filePattern) && !"*".equals(filePattern)) {
                FileObject[] children = remoteFile.getChildren();
                for (FileObject child : children) {
                    if (child.getName().getBaseName().matches(filePattern)) {
                        child.delete();
                    }
                }
            } else {
                // delete folder
                remoteFile.delete(Selectors.SELECT_ALL);
            }
        }
        if (log.isDebugEnabled()) {
            log.debug("File delete completed with " + source);
        }
    } catch (FileSystemException e) {
        throw new SynapseException("Error while deleting file/folder", e);
    } finally {
        // close the StandardFileSystemManager
        manager.close();
        try {
            if (remoteFile != null) {
                // close the file object
                remoteFile.close();
            }
        } catch (FileSystemException e) {
            log.error("Error while closing the FileObject", e);
        }
    }
    return true;
}

From source file:org.wso2.carbon.connector.FileMoveConnector.java

/**
 * Move the folder to the target directory.
 *
 * @param destination            The target location of the folder to move folder.
 * @param source                 Location of the source folder.
 * @param includeParentDirectory Boolean type to include the parent directory.
 * @param manager                Standard file system manager.
 * @param opts                   Configured file system options.
 *///w w  w  .  j a v  a 2 s  .c om
private void moveFolder(String source, String destination, String filePattern, boolean includeParentDirectory,
        StandardFileSystemManager manager, FileSystemOptions opts) throws FileSystemException {
    FileObject remoteFile = manager.resolveFile(source, opts);
    FileObject file = manager.resolveFile(destination, opts);
    if (StringUtils.isNotEmpty(filePattern)) {
        FileObject[] children = remoteFile.getChildren();
        for (FileObject child : children) {
            if (FileType.FILE.equals(child.getType())) {
                moveFileWithPattern(child, destination, filePattern, manager, opts);
            } else if (FileType.FOLDER.equals(child.getType())) {
                String newSource = source + File.separator + child.getName().getBaseName();
                moveFolder(newSource, destination, filePattern, includeParentDirectory, manager, opts);
            }
        }
    } else if (includeParentDirectory) {
        FileObject destFile = manager
                .resolveFile(destination + File.separator + remoteFile.getName().getBaseName(), opts);
        destFile.createFolder();
        remoteFile.moveTo(destFile);
    } else {
        if (!file.exists()) {
            file.createFolder();
        }
        remoteFile.moveTo(file);
        remoteFile.createFolder();
    }
}

From source file:org.wso2.carbon.connector.FileRead.java

public void connect(MessageContext messageContext) {
    String fileLocation = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.FILE_LOCATION);
    String contentType = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.CONTENT_TYPE);
    String filePattern = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.FILE_PATTERN);
    FileObject fileObj = null;
    StandardFileSystemManager manager = null;
    try {//w  w  w  .j  ava 2 s .  c  o m
        manager = FileConnectorUtils.getManager();
        fileObj = manager.resolveFile(fileLocation, FileConnectorUtils.init(messageContext));
        if (fileObj.exists()) {
            if (fileObj.getType() == FileType.FOLDER) {
                FileObject[] children = fileObj.getChildren();
                if (children == null || children.length == 0) {
                    log.warn("Empty folder.");
                    handleException("Empty folder.", messageContext);
                } else if (filePattern != null && !filePattern.trim().equals("")) {
                    boolean bFound = false;
                    for (FileObject child : children) {
                        if (child.getName().getBaseName().matches(filePattern)) {
                            fileObj = child;
                            bFound = true;
                            break;
                        }
                    }
                    if (!bFound) {
                        log.warn("File does not exists for the mentioned pattern.");
                        handleException("File does not exists for the mentioned pattern.", messageContext);
                    }
                } else {
                    fileObj = children[0];
                }
            } else if (fileObj.getType() != FileType.FILE) {
                log.warn("File does not exists, or an empty folder.");
                handleException("File does not exists, or an empty folder.", messageContext);
            }
        } else {
            log.warn("File/Folder does not exists");
            handleException("File/Folder does not exists", messageContext);
        }
        ResultPayloadCreate.buildFile(fileObj, messageContext, contentType);
        if (log.isDebugEnabled()) {
            log.debug("File read completed." + fileLocation);
        }
    } catch (Exception e) {
        handleException(e.getMessage(), messageContext);
    } finally {
        try {
            // Close the File system if it is not already closed by the finally block of
            // processFile method
            if (fileObj != null && fileObj.getParent() != null && fileObj.getParent().getFileSystem() != null) {
                manager.closeFileSystem(fileObj.getParent().getFileSystem());
            }
        } catch (FileSystemException warn) {
            // ignore the warning, since we handed over the stream close job to
            // AutoCloseInputStream..
        }
        try {
            if (fileObj != null) {
                fileObj.close();
            }
        } catch (Exception e) {
            // ignore the warning, since we handed over the stream close job to
            // AutoCloseInputStream..
        }
    }
}

From source file:org.wso2.carbon.connector.FileReadConnector.java

/**
 * Read the file content./*from   w w  w .  ja va2s .  c  o m*/
 *
 * @param messageContext The message context that is generated for processing the read operation.
 */
private void readFile(MessageContext messageContext) {
    String source = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.FILE_LOCATION);
    String contentType = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.CONTENT_TYPE);
    String filePattern = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.FILE_PATTERN);
    boolean streaming = false;
    String enableStreamingParameter = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.ENABLE_STREAMING);
    if (StringUtils.isNotEmpty(enableStreamingParameter)) {
        streaming = Boolean.parseBoolean(enableStreamingParameter);
    }

    FileObject fileObjectToRead = null;
    StandardFileSystemManager manager = FileConnectorUtils.getManager();
    try {
        FileObject rootFileObject = manager.resolveFile(source, FileConnectorUtils.init(messageContext));
        if (!rootFileObject.exists()) {
            log.error("File/Folder does not exists.");
        }
        if (FileType.FOLDER.equals(rootFileObject.getType())) {
            FileObject[] children = rootFileObject.getChildren();
            if (children == null || children.length == 0) {
                log.error("Empty folder.");
            } else if (StringUtils.isNotEmpty(filePattern)) {
                for (FileObject child : children) {
                    if (child.getName().getBaseName().matches(filePattern)) {
                        fileObjectToRead = child;
                        break;
                    }
                }
                if (fileObjectToRead == null) {
                    log.error("File does not exists for the mentioned pattern.");
                }
            } else {
                fileObjectToRead = children[0];
            }
        } else if (FileType.FILE.equals(rootFileObject.getType())) {
            fileObjectToRead = rootFileObject;
        } else {
            log.error("File does not exists, or an empty folder");
        }
        ResultPayloadCreator.buildFile(fileObjectToRead, messageContext, contentType, streaming);
        if (log.isDebugEnabled()) {
            log.debug("File read completed." + source);
        }
    } catch (FileSystemException e) {
        throw new SynapseException("Error while reading a file", e);
    } finally {
        try {
            // Close the File system if it is not already closed by the finally block of processFile method
            if (fileObjectToRead != null && fileObjectToRead.getParent() != null
                    && fileObjectToRead.getParent().getFileSystem() != null) {
                manager.closeFileSystem(fileObjectToRead.getParent().getFileSystem());
            }
            if (fileObjectToRead != null) {
                fileObjectToRead.close();
            }
        } catch (FileSystemException e) {
            log.error("Error while closing the FileObject", e);
        }
    }
}

From source file:org.wso2.carbon.connector.FileSearch.java

/**
 * Generate the file search/*from w ww  .  java 2s . c  om*/
 *
 * @param source         Location fo the file
 * @param filePattern    Pattern of the file
 * @param recursiveSearch check whether recursively search or not
 * @param messageContext The message context that is processed by a handler in the handle method
 */
private void search(String source, String filePattern, String recursiveSearch, MessageContext messageContext) {
    ResultPayloadCreate resultPayload = new ResultPayloadCreate();
    StandardFileSystemManager manager = null;
    if (StringUtils.isEmpty(filePattern)) {
        log.error("FilePattern should not be null");
    } else {
        try {
            manager = FileConnectorUtils.getManager();
            FileSystemOptions opt = FileConnectorUtils.init(messageContext);
            FileObject remoteFile = manager.resolveFile(source, opt);
            if (remoteFile.exists()) {
                FileObject[] children = remoteFile.getChildren();
                OMFactory factory = OMAbstractFactory.getOMFactory();
                String outputResult;
                OMNamespace ns = factory.createOMNamespace(FileConstants.FILECON, FileConstants.NAMESPACE);
                OMElement result = factory.createOMElement(FileConstants.RESULT, ns);
                resultPayload.preparePayload(messageContext, result);
                FilePattenMatcher fpm = new FilePattenMatcher(filePattern);
                recursiveSearch = recursiveSearch.trim();

                for (FileObject child : children) {
                    try {
                        if (child.getType() == FileType.FILE
                                && fpm.validate(child.getName().getBaseName().toLowerCase())) {
                            outputResult = child.getName().getPath();
                            OMElement messageElement = factory.createOMElement(FileConstants.FILE, ns);
                            messageElement.setText(outputResult);
                            result.addChild(messageElement);
                        } else if (child.getType() == FileType.FOLDER && "true".equals(recursiveSearch)) {
                            searchSubFolders(child, filePattern, messageContext, factory, result, ns);
                        }
                    } catch (IOException e) {
                        handleException("Unable to search a file.", e, messageContext);
                    } finally {
                        try {
                            if (child != null) {
                                child.close();
                            }
                        } catch (IOException e) {
                            log.error("Error while closing Directory: " + e.getMessage(), e);
                        }
                    }
                }
                messageContext.getEnvelope().getBody().addChild(result);
            } else {
                log.error("File location does not exist.");
            }
        } catch (IOException e) {
            handleException("Unable to search a file.", e, messageContext);
        } finally {
            if (manager != null) {
                manager.close();
            }
        }
    }
}