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

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

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Introduction

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

Prototype

FileSystem getFileSystem();

Source Link

Document

Returns the file system that contains this file.

Usage

From source file:ShowProperties.java

public static void main(String[] args) throws FileSystemException {
    if (args.length == 0) {
        System.err.println("Please pass the name of a file as parameter.");
        System.err.println("e.g. java org.apache.commons.vfs2.example.ShowProperties LICENSE.txt");
        return;//from   w w  w  .  j a v a 2  s . co m
    }
    for (int i = 0; i < args.length; i++) {
        try {
            FileSystemManager mgr = VFS.getManager();
            System.out.println();
            System.out.println("Parsing: " + args[i]);
            FileObject file = mgr.resolveFile(args[i]);
            System.out.println("URL: " + file.getURL());
            System.out.println("getName(): " + file.getName());
            System.out.println("BaseName: " + file.getName().getBaseName());
            System.out.println("Extension: " + file.getName().getExtension());
            System.out.println("Path: " + file.getName().getPath());
            System.out.println("Scheme: " + file.getName().getScheme());
            System.out.println("URI: " + file.getName().getURI());
            System.out.println("Root URI: " + file.getName().getRootURI());
            System.out.println("Parent: " + file.getName().getParent());
            System.out.println("Type: " + file.getType());
            System.out.println("Exists: " + file.exists());
            System.out.println("Readable: " + file.isReadable());
            System.out.println("Writeable: " + file.isWriteable());
            System.out.println("Root path: " + file.getFileSystem().getRoot().getName().getPath());
            if (file.exists()) {
                if (file.getType().equals(FileType.FILE)) {
                    System.out.println("Size: " + file.getContent().getSize() + " bytes");
                } else if (file.getType().equals(FileType.FOLDER) && file.isReadable()) {
                    FileObject[] children = file.getChildren();
                    System.out.println("Directory with " + children.length + " files");
                    for (int iterChildren = 0; iterChildren < children.length; iterChildren++) {
                        System.out.println("#" + iterChildren + ": " + children[iterChildren].getName());
                        if (iterChildren > 5) {
                            break;
                        }
                    }
                }
                System.out.println("Last modified: "
                        + DateFormat.getInstance().format(new Date(file.getContent().getLastModifiedTime())));
            } else {
                System.out.println("The file does not exist");
            }
            file.close();
        } catch (FileSystemException ex) {
            ex.printStackTrace();
        }
    }
}

From source file:com.googlecode.vfsjfilechooser2.utils.VFSUtils.java

/**
 * Returns the root filesystem of a given file
 * @param fileObject A file/*  w w w .j a va2 s .  c  om*/
 * @return the root filesystem of a given file
 */
public static FileObject createFileSystemRoot(FileObject fileObject) {
    try {
        return fileObject.getFileSystem().getRoot();
    } catch (FileSystemException ex) {
        return null;
    }
}

From source file:com.googlecode.vfsjfilechooser2.utils.VFSUtils.java

/**
 * Returns the root file system of a file representation
 * @param fileObject A file abstraction// www  .ja  va 2 s .com
 * @return the root file system of a file representation
 */
public static FileObject getRootFileSystem(FileObject fileObject) {
    try {
        if ((fileObject == null) || !fileObject.exists()) {
            return null;
        }

        return fileObject.getFileSystem().getRoot();
    } catch (FileSystemException ex) {
        return null;
    }
}

From source file:net.dempsy.distconfig.apahcevfs.ApacheVfsPropertiesReader.java

@Override
public VersionedProperties read(final PropertiesWatcher watcher) throws IOException {
    final FileObject latest = getLatest(parentDirObj);
    final int ver = latest == null ? -1 : getVersion(latest);
    final VersionedProperties ret = new VersionedProperties(ver, Utils.read(latest));
    if (watcher != null) {
        // if there's a watcher ....
        final FileObject next = nextFile(latest, parentDirObj);
        final Proxy proxy = new Proxy(next, watcher);
        next.getFileSystem().addListener(next, proxy);

        // but now, if the file exists due to a race condition, lets at least address that.
        if (next.exists())
            proxy.doIt();//  w w  w . ja  va2 s.co  m
    }
    return ret;
}

From source file:com.stratuscom.harvester.CommonsVFSTest.java

/**
If we create a virtual file system based on a jar file, we should be
able to add other jar files by adding junctions to the root, with the name
of the file we're adding.//w ww.java2s.  c o  m
        
        
Unfortunately, this theory doesn't pan out...
org.apache.commons.vfs.FileSystemException: Attempting to create a nested junction at "null/otherStart.properties".  Nested junctions are not supported.
at org.apache.commons.vfs.impl.VirtualFileSystem.addJunction(VirtualFileSystem.java:111)
        
 */
@Test
@Ignore /*Didin't work, see above */
public void testFileSystemJunctions() throws Exception {
    FileObject reggieJar = fileSystemManager.resolveFile(new File("../../build/test/files"),
            "reggie-module.jar");
    assertTrue("Bad file:" + reggieJar.toString(), reggieJar.toString().endsWith("reggie-module.jar"));
    FileObject reggieJarFS = fileSystemManager.createFileSystem(reggieJar);

    FileObject virtRoot = fileSystemManager.createVirtualFileSystem((String) null);
    virtRoot.getFileSystem().addJunction("/", reggieJarFS);
    checkPresentAndReadable(virtRoot, "start.properties");
    FileObject startProperties = virtRoot.resolveFile("start.properties");
    assertNotNull(startProperties);
    assertTrue(
            "Properties file unreadable:" + startProperties.toString() + " type=" + startProperties.getType(),
            startProperties.isReadable());

    /* Now try to add in a junction to a jar file */
    virtRoot.getFileSystem().addJunction("otherStart.properties", startProperties);
    checkPresentAndReadable(virtRoot, "otherStart.properties");
}

From source file:de.blizzy.backup.vfs.RemoteLocation.java

private FileSystem getFileSystem() throws FileSystemException {
    if (fileSystem == null) {
        FileSystemOptions opts = getFileSystemOptions();
        FileObject fileObject = VFS.getManager().resolveFile(
                getProtocol() + "://" + host + ":" + String.valueOf(port), //$NON-NLS-1$ //$NON-NLS-2$
                opts);/* www  . j av  a2s.c  om*/
        fileSystem = fileObject.getFileSystem();
    }
    return fileSystem;
}

From source file:de.innovationgate.wgpublisher.design.fs.AbstractDesignFile.java

private FileObject getOrCreateMetadataDir() throws FileSystemException, WGDesignSyncException {
    FileObject metadataDir = getMetadataDir();

    if (!metadataDir.exists() && metadataDir.getFileSystem().hasCapability(Capability.CREATE)) {
        metadataDir.createFolder();/*from ww w .  ja va2  s .c  o m*/
    }

    return metadataDir;
}

From source file:de.innovationgate.wgpublisher.design.fs.AbstractDesignFile.java

protected FileObject getOrCreateMetadataFile()
        throws InstantiationException, IllegalAccessException, IOException, WGDesignSyncException {

    FileObject metadataFile = getMetadataFile();

    if (!metadataFile.exists() && metadataFile.getFileSystem().hasCapability(Capability.CREATE)) {
        getOrCreateMetadataDir();//  ww  w  . j a  v  a2  s.  co m
        createMetadataFile(metadataFile);
    }

    return metadataFile;
}

From source file:com.seeburger.vfs2.util.VFSClassLoader.java

/**
 * Calls super.getPermissions both for the code source and also
 * adds the permissions granted to the parent layers.
 * @param cs the CodeSource.//from   www . j  a  v a  2 s. com
 * @return The PermissionCollections.
 */
@Override
protected PermissionCollection getPermissions(final CodeSource cs) {
    try {
        final String url = cs.getLocation().toString();
        FileObject file = lookupFileObject(url);
        if (file == null) {
            return super.getPermissions(cs);
        }

        FileObject parentLayer = file.getFileSystem().getParentLayer();
        if (parentLayer == null) {
            return super.getPermissions(cs);
        }

        Permissions combi = new Permissions();
        PermissionCollection permCollect = super.getPermissions(cs);
        copyPermissions(permCollect, combi);

        for (FileObject parent = parentLayer; parent != null; parent = parent.getFileSystem()
                .getParentLayer()) {
            final CodeSource parentcs = new CodeSource(parent.getURL(), parent.getContent().getCertificates());
            permCollect = super.getPermissions(parentcs);
            copyPermissions(permCollect, combi);
        }

        return combi;
    } catch (final FileSystemException fse) {
        throw new SecurityException(fse.getMessage());
    }
}

From source file:com.stratuscom.harvester.classloading.VirtualFileSystemClassLoader.java

public void addClasspathFilters(List<ClasspathFilter> filters, FileObject fileRoot) throws FileSystemException {
    for (ClasspathFilter filter : filters) {
        FileObject entryObject = fileRoot.resolveFile(filter.getJarName());

        FileObject entryFileSystem = fileRoot.getFileSystem().getFileSystemManager()
                .createFileSystem(entryObject);
        classpathEntries.add(new ClasspathEntry(filter, entryFileSystem));
    }//from w  w w . j ava2s . c o  m
}