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

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

  1. HOME
  2. Java
  3. org.apache.commons
  4. org.apache.commons.vfs2.*
  5. FileObject
  6. getContent

Introduction

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

Prototype

FileContent getContent() throws FileSystemException;

Source Link

Document

Returns this file's content.

Usage

From source file:org.renjin.primitives.files.Files.java

/**
 * Utility function to extract information about files on the user's file systems.
 *
 * @param context  current call Context/*from  w  w  w  . j  a v a 2 s  .  co m*/
 * @param paths the list of files for which to return information
 * @return list column-oriented table of file information
 * @throws FileSystemException
 */
@Internal("file.info")
public static ListVector fileInfo(@Current Context context, StringVector paths) throws FileSystemException {

    DoubleArrayVector.Builder size = new DoubleArrayVector.Builder();
    LogicalArrayVector.Builder isdir = new LogicalArrayVector.Builder();
    IntArrayVector.Builder mode = (IntArrayVector.Builder) new IntArrayVector.Builder()
            .setAttribute(Symbols.CLASS, StringVector.valueOf("octmode"));
    DoubleArrayVector.Builder mtime = new DoubleArrayVector.Builder();
    StringVector.Builder exe = new StringVector.Builder();

    for (String path : paths) {
        if (StringVector.isNA(path)) {
            throw new EvalException("invalid filename argument");
        }
        FileObject file = context.resolveFile(path);
        if (file.exists()) {
            if (file.getType() == FileType.FILE) {
                size.add((int) file.getContent().getSize());
            } else {
                size.add(0);
            }
            isdir.add(file.getType() == FileType.FOLDER);
            mode.add(mode(file));
            try {
                mtime.add(file.getContent().getLastModifiedTime());
            } catch (Exception e) {
                mtime.add(0);
            }
            exe.add(file.getName().getBaseName().endsWith(".exe") ? "yes" : "no");
        } else {
            size.addNA();
            isdir.addNA();
            mode.addNA();
            mtime.addNA();
            exe.addNA();
        }
    }

    return ListVector.newNamedBuilder().add("size", size).add("isdir", isdir).add("mode", mode)
            .add("mtime", mtime).add("ctime", mtime).add("atime", mtime).add("exe", exe).build();
}

From source file:org.renjin.primitives.files.Files.java

/**
 * Helper function to extract a zip entry to the given folder.
 *///from  w w w  .ja v  a 2  s.c  o m
private static void unzipExtract(ZipInputStream zin, ZipEntry entry, FileObject exdir, boolean junkpaths,
        boolean overwrite) throws IOException {
    if (junkpaths) {
        throw new EvalException("unzip(junpaths=false) not yet implemented");
    }

    FileObject exfile = exdir.resolveFile(entry.getName());
    if (exfile.exists() && !overwrite) {
        throw new EvalException("file to be extracted '%s' already exists", exfile.getName().getURI());
    }
    OutputStream out = exfile.getContent().getOutputStream();
    try {

        byte buffer[] = new byte[64 * 1024];
        int bytesRead;
        while ((bytesRead = zin.read(buffer)) != -1) {
            out.write(buffer, 0, bytesRead);
        }
    } finally {
        out.close();
    }
}

From source file:org.renjin.primitives.files.Files.java

@Internal("file.create")
@DataParallel// w w w  .  j  av a  2s . c  o  m
public static boolean fileCreate(@Current Context context, @Recycle String fileName,
        @Recycle(false) boolean showWarnings) throws IOException {
    try {
        FileObject file = context.resolveFile(fileName);
        // VFS will create the parent folder if it doesn't exist, 
        // which the R method is not supposed to do
        if (!file.getParent().exists()) {
            throw new IOException("No such file or directory");
        }
        file.getContent().getOutputStream().close();
        return true;

    } catch (Exception e) {
        if (showWarnings) {
            Warning.invokeWarning(context, "cannot create file '%s', reason '%s'", fileName, e.getMessage());
        }
        return false;
    }
}

From source file:org.renjin.primitives.files.Files.java

/**
 *  file.append attempts to append the files named by its second
 * argument to those named by its first.  The R subscript recycling
 * rule is used to align names given in vectors of different lengths.
 *///from   w ww. jav a  2 s.c  om
@Internal("file.append")
@DataParallel
public static boolean fileAppend(@Current Context context, String destFileName, String sourceFileName) {
    try {
        FileObject sourceFile = context.resolveFile(sourceFileName);
        if (!sourceFile.exists()) {
            return false;
        }
        FileObject destFile = context.resolveFile(destFileName);
        OutputStream out = destFile.getContent().getOutputStream(true);
        try {
            InputStream in = sourceFile.getContent().getInputStream();
            try {
                ByteStreams.copy(in, out);
            } finally {
                try {
                    in.close();
                } catch (Exception ignored) {
                }
            }
        } finally {
            try {
                out.close();
            } catch (Exception ignored) {
            }
        }
        return true;
    } catch (Exception e) {
        return false;
    }
}

From source file:org.sitemap4j.dom4j.Dom4jSiteMapIndexWriterTest.java

@Test
public void test() throws Exception {
    // Given/*from  w  ww .j a  v  a  2 s.  co m*/
    final MutableSiteMapIndex siteMapIndex = ArrayListMutableSiteMapIndex.create();
    siteMapIndex.add(SiteMapLocation.create(getRandomUrl()));
    siteMapIndex.add(SiteMapLocation.create(getRandomUrl(), new DateTime(DateTimeZone.UTC)));

    final FileObject siteMapIndexFile = VFS.getManager().resolveFile("ram:///sitemap-index.xml");
    siteMapIndexFile.createFile();
    final OutputStream outputStream = siteMapIndexFile.getContent().getOutputStream();

    // When
    final SiteMapIndexWriter writer = Dom4jSiteMapIndexWriter.forSiteMapIndex(siteMapIndex);
    writer.write(outputStream);

    // Then
    final SiteMapIndexReader siteMapIndexReader = Dom4jSiteMapIndexReader.create();
    assertEquals(siteMapIndex, siteMapIndexReader
            .read(RawSiteMap.fromInputStream(siteMapIndexFile.getContent().getInputStream())));
}

From source file:org.sitemap4j.dom4j.Dom4jSiteMapWriterTest.java

@Test
public void test() throws Exception {
    // Given/*from   w  ww. j  av a  2 s.c  o m*/
    final FileObject siteMapFile = VFS.getManager().resolveFile("ram:///sitemap.xml");
    siteMapFile.createFile();
    final OutputStream outputStream = siteMapFile.getContent().getOutputStream();

    final MutableSiteMap siteMap = ArrayListMutableSiteMap.create();
    siteMap.add(getSiteMapUrl().build());
    siteMap.add(getSiteMapUrl().build());

    // When
    final SiteMapWriter writer = Dom4jSiteMapWriter.forSiteMap(siteMap);
    writer.write(outputStream);

    // Then             
    final SiteMapReader siteMapReader = Dom4jSiteMapReader.create();

    assertEquals(siteMap,
            siteMapReader.read(RawSiteMap.fromInputStream(siteMapFile.getContent().getInputStream())));
}

From source file:org.sonar.plugins.ndepend.ndproj.NdprojCreator.java

/**
 * @return an InputStream for the loaded rules file
 * @throws FileSystemException/* ww w. j  a  va 2 s  .c  o m*/
 */
private InputStream getRulesInputStream() throws FileSystemException {
    String rulesUrl = settings.getString(NdependConfig.NDEPEND_RULES_URL_KEY);
    InputStream in;
    if (rulesUrl.trim().isEmpty()) {
        LOG.info("No rules configured. Using default rules");
        in = getClass().getResourceAsStream("rules.xml");
    } else {
        LOG.info("Loading rules from {}", rulesUrl);
        FileSystemManager vfs = VFS.getManager();
        FileObject rules = vfs.resolveFile(rulesUrl);
        in = rules.getContent().getInputStream();
    }
    return in;
}

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

/**
 * @param destination    Location if the file
 * @param content        Content that is going to be added
 * @param encoding       Encoding type//from w w w.jav  a 2s .c o  m
 * @param messageContext The message context that is generated for processing the file
 * @return true/false
 */
private boolean appendFile(String destination, String content, String encoding, MessageContext messageContext) {
    OutputStream out = null;
    boolean resultStatus = false;
    FileObject fileObj = null;
    StandardFileSystemManager manager = null;
    try {
        manager = FileConnectorUtils.getManager();
        fileObj = manager.resolveFile(destination, FileConnectorUtils.init(messageContext));
        if (!fileObj.exists()) {
            fileObj.createFile();
        }
        out = fileObj.getContent().getOutputStream(true);
        if (StringUtils.isEmpty(encoding)) {
            IOUtils.write(content, out, DEFAULT_ENCODING);
        } else {
            IOUtils.write(content, out, encoding);
        }
        resultStatus = true;

        if (log.isDebugEnabled()) {
            log.debug("File appending completed. " + destination);
        }
    } catch (IOException e) {
        handleException("Error while appending a file.", e, messageContext);
    } finally {
        try {
            if (fileObj != null) {
                //close the file object
                fileObj.close();
            }
        } catch (FileSystemException e) {
            log.error("Error while closing FileObject: " + e.getMessage(), e);
        }
        try {
            if (out != null) {
                //close the output stream
                out.close();
            }
        } catch (IOException e) {
            log.error("Error while closing OutputStream: " + e.getMessage(), e);
        }
        if (manager != null) {
            //close the StandardFileSystemManager
            manager.close();
        }
    }
    return resultStatus;
}

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

/**
 * Add the content into file./*www.  j  a va2s  .  com*/
 *
 * @param messageContext The message context that is generated for processing the file.
 * @return true, if the content is successfully appended.
 * @throws FileSystemException On error parsing the file name, determining if the file exists and creating the
 * file.
 */
private boolean appendFile(MessageContext messageContext) throws FileSystemException {
    String destination = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.NEW_FILE_LOCATION);
    String content = (String) ConnectorUtils.lookupTemplateParamater(messageContext, FileConstants.CONTENT);
    String encoding = (String) ConnectorUtils.lookupTemplateParamater(messageContext, FileConstants.ENCODING);
    if (StringUtils.isEmpty(encoding)) {
        encoding = FileConstants.DEFAULT_ENCODING;
    }
    FileSystemOptions opts = FileConnectorUtils.init(messageContext);
    OutputStream out = null;
    FileObject fileObj = null;
    StandardFileSystemManager manager = FileConnectorUtils.getManager();
    try {
        fileObj = manager.resolveFile(destination, opts);
        if (!fileObj.exists()) {
            fileObj.createFile();
        }
        // True, if the content should be appended.
        out = fileObj.getContent().getOutputStream(true);
        IOUtils.write(content, out, encoding);
        if (log.isDebugEnabled()) {
            log.debug("File appending completed. " + destination);
        }
    } catch (IOException e) {
        throw new SynapseException("Error while appending content", e);
    } finally {
        try {
            if (fileObj != null) {
                // close the file object
                fileObj.close();
            }
        } catch (FileSystemException e) {
            log.error("Error while closing FileObject", e);
        }
        try {
            if (out != null) {
                // close the output stream
                out.close();
            }
        } catch (IOException e) {
            log.error("Error while closing OutputStream", e);
        }
        // close the StandardFileSystemManager
        manager.close();
    }
    return true;
}

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

/**
 * Archive a file/folder./*from w  ww  .j av a  2s.c o  m*/
 *
 * @param messageContext The message context that is generated for processing the file.
 * @return return true, if the file/folder is successfully archived, false, if not.
 * @throws FileSystemException On error parsing the file name, determining if the file exists and getting file type.
 */
private boolean fileCompress(MessageContext messageContext) throws FileSystemException {
    String source = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.FILE_LOCATION);
    String destination = (String) ConnectorUtils.lookupTemplateParamater(messageContext,
            FileConstants.NEW_FILE_LOCATION);
    StandardFileSystemManager manager = FileConnectorUtils.getManager();
    FileSystemOptions opts = FileConnectorUtils.init(messageContext);
    FileObject fileObj = manager.resolveFile(source, opts);
    FileObject destObj = manager.resolveFile(destination, opts);
    if (!fileObj.exists()) {
        log.error("The File location does not exist.");
        return false;
    }
    if (FileType.FOLDER.equals(fileObj.getType())) {
        List<FileObject> fileList = new ArrayList<>();
        addAllFilesToList(fileObj, fileList);
        writeZipFiles(fileObj, destObj, fileList);
    } else {
        ZipOutputStream outputStream = null;
        InputStream fileIn = null;
        try {
            outputStream = new ZipOutputStream(destObj.getContent().getOutputStream());
            fileIn = fileObj.getContent().getInputStream();
            ZipEntry zipEntry = new ZipEntry(fileObj.getName().getBaseName());
            outputStream.putNextEntry(zipEntry);
            int length;
            while ((length = fileIn.read(bytes)) != -1) {
                outputStream.write(bytes, 0, length);
            }
        } catch (IOException e) {
            throw new SynapseException("Error while writing an array of bytes to the ZipOutputStream", e);
        } finally {
            try {
                // close the file object
                fileObj.close();
            } catch (FileSystemException e) {
                log.error("Error while closing the source FileObject", e);
            }
            try {
                // close the file object
                destObj.close();
            } catch (FileSystemException e) {
                log.error("Error while closing the destination FileObject", e);
            }
            try {
                if (outputStream != null) {
                    outputStream.close();
                }
            } catch (IOException e) {
                log.error("Error while closing ZipOutputStream", e);
            }
            try {
                if (fileIn != null) {
                    fileIn.close();
                }
            } catch (IOException e) {
                log.error("Error while closing InputStream:", e);
            }
            // close the StandardFileSystemManager
            manager.close();
        }
    }
    if (log.isDebugEnabled()) {
        log.debug("File archiving completed." + destination);
    }
    return true;
}