Example usage for org.apache.commons.vfs2.provider AbstractFileName getParent

Introduction

In this page you can find the example usage for org.apache.commons.vfs2.provider AbstractFileName getParent.

Prototype

public FileName getParent() 

Source Link

Document

Returns the name of the parent of the file.

Usage

From source file:com.github.junrar.vfs2.provider.rar.RARFileSystem.java

@Override
public void init() throws FileSystemException {
    super.init();

    try {//from w ww  . j a  va2 s . c o m
        try {
            archive = new Archive(new VFSVolumeManager(parentLayer));
            // Build the index
            List<RARFileObject> strongRef = new ArrayList<RARFileObject>(100);
            for (final FileHeader header : archive.getFileHeaders()) {
                AbstractFileName name = (AbstractFileName) getFileSystemManager().resolveName(getRootName(),
                        UriParser.encode(header.getFileNameString()));

                // Create the file
                RARFileObject fileObj;
                if (header.isDirectory() && getFileFromCache(name) != null) {
                    fileObj = (RARFileObject) getFileFromCache(name);
                    fileObj.setHeader(header);
                    continue;
                }

                fileObj = createRARFileObject(name, header);
                putFileToCache(fileObj);
                strongRef.add(fileObj);
                fileObj.holdObject(strongRef);

                // Make sure all ancestors exist
                RARFileObject parent;
                for (AbstractFileName parentName = (AbstractFileName) name
                        .getParent(); parentName != null; fileObj = parent, parentName = (AbstractFileName) parentName
                                .getParent()) {
                    // Locate the parent
                    parent = (RARFileObject) getFileFromCache(parentName);
                    if (parent == null) {
                        parent = createRARFileObject(parentName, null);
                        putFileToCache(parent);
                        strongRef.add(parent);
                        parent.holdObject(strongRef);
                    }

                    // Attach child to parent
                    parent.attachChild(fileObj.getName());
                }
            }

        } catch (RarException e) {
            throw new FileSystemException(e);
        } catch (IOException e) {
            throw new FileSystemException(e);
        }
    } finally {
        // closeCommunicationLink();
    }
}

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From source file:org.ysb33r.groovy.vfsplugin.cpio.CpioFileSystem.java

@Override
public void init() throws FileSystemException {
    super.init();

    // Build the index
    try {/*  ww w  .j av  a 2  s.  co m*/
        final List<CpioFileObject> strongRef = new ArrayList<CpioFileObject>(DEFAULT_INDEX_SIZE);
        CpioArchiveEntry entry;

        while ((entry = getCpioFile().getNextCPIOEntry()) != null) {
            final AbstractFileName name = (AbstractFileName) getFileSystemManager().resolveName(getRootName(),
                    UriParser.encode(entry.getName()));

            // Create the file
            CpioFileObject fileObj;
            if (entry.isDirectory() && getFileFromCache(name) != null) {
                fileObj = (CpioFileObject) getFileFromCache(name);
                fileObj.setCpioEntry(entry);
                continue;
            }

            fileObj = createCpioFileObject(name, entry);
            putFileToCache(fileObj);
            strongRef.add(fileObj);
            fileObj.holdObject(strongRef);

            // Make sure all ancestors exist
            // TODO - create these on demand
            CpioFileObject parent = null;
            for (AbstractFileName parentName = (AbstractFileName) name
                    .getParent(); parentName != null; fileObj = parent, parentName = (AbstractFileName) parentName
                            .getParent()) {
                // Locate the parent
                parent = (CpioFileObject) getFileFromCache(parentName);
                if (parent == null) {
                    parent = createCpioFileObject(parentName, null);
                    putFileToCache(parent);
                    strongRef.add(parent);
                    parent.holdObject(strongRef);
                }

                // Attach child to parent
                parent.attachChild(fileObj.getName());
            }
        }
    } catch (final IOException e) {
        throw new FileSystemException(e);
    } finally {
        closeCommunicationLink();
    }
}

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