Example usage for org.apache.commons.vfs.impl DefaultFileSystemManager toFileObject

Introduction

In this page you can find the example usage for org.apache.commons.vfs.impl DefaultFileSystemManager toFileObject.

Prototype

public FileObject toFileObject(final File file) throws FileSystemException 

Source Link

Document

Converts a local file into a FileObject .

Usage

From source file:com.pongasoft.kiwidoc.builder.doclet.SourceCodeParser.java

/**
 * Parses the sources using a doclet. It is ok to provide a big number of files, since it will
 * automatically be split in chunks./*from  www.  j ava 2 s .c om*/
 *
 * @param library the library to store the results
 * @param sources the sources
 * @return the number of processed files
 * @throws IOException if there is an issue reading the files
 */
public int parseSources(LibraryModelBuilder library, FileObject sources, String overviewFilename,
        FileObject javadoc, Collection<FileObject> dependencies) throws IOException, InternalException {
    DefaultFileSystemManager dfs = new DefaultFileSystemManager();
    dfs.addProvider("file", new DefaultLocalFileProvider());
    dfs.setReplicator(new DefaultFileReplicator(IOUtils.createTempDirectory("SourceCodeParser", "")));
    dfs.init();
    try {
        File localSources = dfs.getReplicator().replicateFile(sources, SourcesSelector.INSTANCE);

        sources = dfs.toFileObject(localSources);

        FileObject[] allSources = sources.findFiles(JavaSelector.INSTANCE);

        if (allSources == null || allSources.length == 0)
            return 0;

        List<String> sourcePath = new ArrayList<String>();

        for (FileObject sourceFile : allSources) {
            //        if(javadoc != null)
            //        {
            //          String name = sources.getName().getRelativeName(sourceFile.getName());
            //          name = name.substring(0, name.length() - JAVA_EXTENSION.length());
            //          name += HTML_EXTENSION;
            //          if(javadoc.resolveFile(name, NameScope.DESCENDENT).exists())
            //            sourcePath.add(sourceFile.getName().getPath());
            //        }
            //        else
            //        {
            //          sourcePath.add(sourceFile.getName().getPath());
            //        }
            sourcePath.add(sourceFile.getName().getPath());
        }

        List<String> deps = new ArrayList<String>();

        if (dependencies != null) {
            for (FileObject dependency : dependencies) {
                if (dependency.exists()) {
                    File localDependency = dfs.getReplicator().replicateFile(dependency,
                            DependenciesSelector.INSTANCE);
                    deps.add(localDependency.getCanonicalPath());
                }
            }
        }

        FileObject overviewFile = sources.resolveFile(overviewFilename, NameScope.CHILD);

        String overviewPath = null;
        if (overviewFile.exists())
            overviewPath = overviewFile.getName().getPath();

        parseSources(library, overviewPath, sourcePath, deps);

        return sourcePath.size();
    } finally {
        dfs.close();
    }
}

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From source file:egovframework.rte.fdl.filehandling.FilehandlingServiceTest.java

@Test
public void testCaching1() throws Exception {
    String testFolder = "d:/workspace/java/e-gov/eGovFramework/RTE/DEV/trunk/Foundation/egovframework.rte.fdl.filehandling/test";

    FileSystemManager manager = VFS.getManager();

    EgovFileUtil.writeFile(testFolder + "/file1.txt", text, "UTF-8");

    /*/*from w  w w  .  ja v a2s .c  o m*/
     * ? Manager ?
     * CacheStrategy.MANUAL      : Deal with cached data manually. Call FileObject.refresh() to refresh the object data.
     * CacheStrategy.ON_RESOLVE : Refresh the data every time you request a file from FileSystemManager.resolveFile
     * CacheStrategy.ON_CALL   : Refresh the data every time you call a method on the fileObject. You'll use this only if you really need the latest info as this setting is a major performance loss. 
     */
    DefaultFileSystemManager fs = new DefaultFileSystemManager();
    fs.setFilesCache(manager.getFilesCache());

    // zip, jar, tgz, tar, tbz2, file
    if (!fs.hasProvider("file")) {
        fs.addProvider("file", new DefaultLocalFileProvider());
    }
    //       StandardFileSystemManager fs = new StandardFileSystemManager();

    fs.setCacheStrategy(CacheStrategy.ON_RESOLVE);
    fs.init();

    // ? ? ?
    //FileObject foBase2 = fs.resolveFile(testFolder);
    log.debug("####1");
    FileObject cachedFile = fs.toFileObject(new File(testFolder + "/file1.txt"));
    log.debug("####2");

    FilesCache filesCache = fs.getFilesCache();
    log.debug("####3");
    filesCache.putFile(cachedFile);
    FileObject obj = filesCache.getFile(cachedFile.getFileSystem(), cachedFile.getName());

    //FileObject baseFile = fs.getBaseFile();
    //        log.debug("### cachedFile.getContent().getSize() is " + cachedFile.getContent().getSize());

    //        long fileSize = cachedFile.getContent().getSize();
    //        log.debug("#########size is " + fileSize);
    //FileObject cachedFile1 = cachedFile.resolveFile("file2.txt");

    //       FileObject scratchFolder = manager.resolveFile(testFolder);
    //       scratchFolder.delete(Selectors.EXCLUDE_SELF);

    EgovFileUtil.delete(new File(testFolder + "/file1.txt"));

    //       obj.createFile();

    //        log.debug("#########obj is " + obj.toString());
    //        log.debug("#########size is " + obj.getContent().getSize());
    log.debug("#########file is " + obj.exists());

    fs.close();
}

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