Example usage for org.apache.commons.vfs FileObject exists

List of usage examples for org.apache.commons.vfs FileObject exists

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Introduction

In this page you can find the example usage for org.apache.commons.vfs FileObject exists.

Prototype

public boolean exists() throws FileSystemException;

Source Link

Document

Determines if this file exists.

Usage

From source file:org.rzo.yajsw.config.YajswConfigurationImpl.java

private boolean fileExists(String file) {
    try {//  w ww.j av  a 2s.  c o m
        String current = System.getProperty("javax.xml.parsers.DocumentBuilderFactory");
        System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
                "com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl");
        DefaultFileSystemManager fsManager = (DefaultFileSystemManager) VFS.getManager();
        if (current != null)
            System.setProperty("javax.xml.parsers.DocumentBuilderFactory", current);
        else
            System.clearProperty("javax.xml.parsers.DocumentBuilderFactory");
        FileObject f = VFSUtils.resolveFile(".", file);
        return f.exists();
    } catch (FileSystemException e) {
        e.printStackTrace();
        return false;
    }
}

From source file:org.saiku.adhoc.providers.impl.standalone.StandaloneCdaProvider.java

public void setPath(String path) {

    FileSystemManager fileSystemManager;
    try {/*from  w  w  w.  j a v a  2  s  .com*/
        fileSystemManager = VFS.getManager();

        FileObject fileObject;
        fileObject = fileSystemManager.resolveFile(path);
        if (fileObject == null) {
            throw new IOException("File cannot be resolved: " + path);
        }
        if (!fileObject.exists()) {
            throw new IOException("File does not exist: " + path);
        }
        repoURL = fileObject.getURL();
        if (repoURL == null) {
            throw new Exception("Cannot load connection repository from path: " + path);
        } else {
            load();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

}

From source file:org.saiku.service.importer.impl.LegacyImporterImpl.java

private void setPath(String path) {

    FileSystemManager fileSystemManager;
    try {//w ww .  ja  v a2 s  .co  m
        fileSystemManager = VFS.getManager();

        FileObject fileObject;
        fileObject = fileSystemManager.resolveFile(path);
        if (fileObject == null) {
            throw new IOException("File cannot be resolved: " + path);
        }
        if (!fileObject.exists()) {
            throw new IOException("File does not exist: " + path);
        }
        repoURL = fileObject.getURL();
        if (repoURL == null) {
            throw new Exception("Cannot load connection repository from path: " + path);
        } else {
            //load();
        }
    } catch (Exception e) {
        LOG.error("Exception", e);
    }

}

From source file:org.saiku.web.rest.resources.BasicRepositoryResource.java

public void setPath(String path) throws Exception {

    FileSystemManager fileSystemManager;
    try {/*w  w  w. j  a  va 2s .  c o m*/
        if (!path.endsWith("" + File.separatorChar)) {
            path += File.separatorChar;
        }
        fileSystemManager = VFS.getManager();
        FileObject fileObject;
        fileObject = fileSystemManager.resolveFile(path);
        if (fileObject == null) {
            throw new IOException("File cannot be resolved: " + path);
        }
        if (!fileObject.exists()) {
            throw new IOException("File does not exist: " + path);
        }
        repo = fileObject;
    } catch (Exception e) {
        e.printStackTrace();
    }

}

From source file:org.saiku.web.rest.resources.BasicRepositoryResource2.java

public void setPath(String path) throws Exception {
    FileSystemManager fileSystemManager;
    try {//from  ww w  .j  a  va 2  s .c  o m
        if (!path.endsWith("" + File.separatorChar)) {
            path += File.separatorChar;
        }
        fileSystemManager = VFS.getManager();
        FileObject fileObject;
        fileObject = fileSystemManager.resolveFile(path);
        if (fileObject == null) {
            throw new IOException("File cannot be resolved: " + path);
        }
        if (!fileObject.exists()) {
            throw new IOException("File does not exist: " + path);
        }
        repo = fileObject;
    } catch (Exception e) {
        log.error("Error setting path for repository: " + path, e);
    }
}

From source file:org.sonatype.gshell.commands.bsf.ScriptCommand.java

private Object exec(final CommandContext context) throws Exception {
    assert context != null;
    IO io = context.getIo();//from   ww w  . ja  v a 2 s  .c  o  m

    FileObject cwd = fileSystemAccess.getCurrentDirectory(context.getVariables());
    FileObject file = fileSystemAccess.resolveFile(cwd, path);

    if (!file.exists()) {
        io.error("File not found: {}", file.getName()); // TODO: i18n
        return Result.FAILURE;
    } else if (!file.getType().hasContent()) {
        io.error("File has not content: {}", file.getName()); // TODO: i18n
        return Result.FAILURE;
    } else if (!file.isReadable()) {
        io.error("File is not readable: {}", file.getName()); // TODO: i18n
        return Result.FAILURE;
    }

    if (language == null) {
        language = detectLanguage(file);
    }

    BSFEngine engine = createEngine(context);

    byte[] bytes = FileUtil.getContent(file);
    String script = new String(bytes);

    log.info("Evaluating file ({}): {}", language, path); // TODO: i18n

    try {
        return engine.eval(file.getName().getBaseName(), 1, 1, script);
    } finally {
        engine.terminate();
        file.close();
    }
}

From source file:org.sonatype.gshell.commands.vfs.CopyCommand.java

public Object execute(final CommandContext context) throws Exception {
    assert context != null;
    IO io = context.getIo();/* w w  w  .j a  v a 2s. co  m*/

    FileObject source = resolveFile(context, sourcePath);
    FileObject target = resolveFile(context, targetPath);

    new FileObjectAssert(source).exists();

    // TODO: Validate more

    if (target.exists() && target.getType().hasChildren()) {
        target = target.resolveFile(source.getName().getBaseName());
    }

    log.info("Copying {} -> {}", source, target);

    target.copyFrom(source, Selectors.SELECT_ALL);

    FileObjects.close(source, target);

    return Result.SUCCESS;
}

From source file:org.sonatype.gshell.commands.vfs.FileInfoCommand.java

public Object execute(final CommandContext context) throws Exception {
    assert context != null;
    IO io = context.getIo();/*  w w  w.  j a  v  a 2 s . c om*/

    FileObject file = resolveFile(context, path);

    io.println("URL: {}", file.getURL());
    io.println("Name: {}", file.getName());
    io.println("BaseName: {}", file.getName().getBaseName());
    io.println("Extension: {}", file.getName().getExtension());
    io.println("Path: {}", file.getName().getPath());
    io.println("Scheme: {}", file.getName().getScheme());
    io.println("URI: {}", file.getName().getURI());
    io.println("Root URI: {}", file.getName().getRootURI());
    io.println("Parent: {}", file.getName().getParent());
    io.println("Type: {}", file.getType());
    io.println("Exists: {}", file.exists());
    io.println("Readable: {}", file.isReadable());
    io.println("Writeable: {}", file.isWriteable());
    io.println("Root path: {}", file.getFileSystem().getRoot().getName().getPath());

    if (file.exists()) {
        FileContent content = file.getContent();
        FileContentInfo contentInfo = content.getContentInfo();
        io.println("Content type: {}", contentInfo.getContentType());
        io.println("Content encoding: {}", contentInfo.getContentEncoding());

        try {
            // noinspection unchecked
            Map<String, Object> attrs = content.getAttributes();
            if (attrs != null && !attrs.isEmpty()) {
                io.println("Attributes:");
                for (Map.Entry<String, Object> entry : attrs.entrySet()) {
                    io.println("    {}='{}'", entry.getKey(), entry.getValue());
                }
            }
        } catch (FileSystemException e) {
            io.println("File attributes are NOT supported");
        }

        try {
            Certificate[] certs = content.getCertificates();
            if (certs != null && certs.length != 0) {
                io.println("Certificate:");
                for (Certificate cert : certs) {
                    io.println("    {}", cert);
                }
            }
        } catch (FileSystemException e) {
            io.println("File certificates are NOT supported");
        }

        if (file.getType().equals(FileType.FILE)) {
            io.println("Size: {} bytes", content.getSize());
        } else if (file.getType().hasChildren() && file.isReadable()) {
            FileObject[] children = file.getChildren();
            io.println("Directory with {} files", children.length);

            for (int iterChildren = 0; iterChildren < children.length; iterChildren++) {
                io.println("#{}:{}", iterChildren, children[iterChildren].getName());
                if (iterChildren > 5) {
                    break;
                }
            }
        }

        io.println("Last modified: {}",
                DateFormat.getInstance().format(new Date(content.getLastModifiedTime())));
    } else {
        io.println("The file does not exist");
    }

    FileObjects.close(file);

    return Result.SUCCESS;
}

From source file:org.sonatype.gshell.commands.vfs.TouchCommand.java

public Object execute(final CommandContext context) throws Exception {
    assert context != null;

    FileObject file = resolveFile(context, path);

    try {/*from w  w w  .  j  a v a  2 s. com*/
        if (!file.exists()) {
            file.createFile();
        }

        file.getContent().setLastModifiedTime(System.currentTimeMillis());
    } finally {
        FileObjects.close(file);
    }

    return Result.SUCCESS;
}

From source file:org.sonatype.gshell.vfs.FileSystemAccessImpl.java

public void setCurrentDirectory(final Variables vars, final FileObject dir) throws FileSystemException {
    assert vars != null;
    assert dir != null;

    log.trace("Setting CWD: {}", dir);

    // Make sure that the given file object exists and is really a directory
    if (!dir.exists()) {
        throw new RuntimeException("Directory not found: " + dir.getName());
    } else if (!dir.getType().hasChildren()) {
        throw new RuntimeException("File can not contain children: " + dir.getName());
    }/*  w  w w . jav a 2  s .c  om*/

    vars.parent().set(CWD, dir);
}