Example usage for java.io File deleteOnExit

Introduction

In this page you can find the example usage for java.io File deleteOnExit.

Prototype

public void deleteOnExit() 

Source Link

Document

Requests that the file or directory denoted by this abstract pathname be deleted when the virtual machine terminates.

Usage

From source file:it.cnr.icar.eric.server.cms.CanonicalXMLFilteringService.java

/**
 * Runs XSLT based upon specified inputs and returns the outputfile.
 *
 * TODO: Need some refactoring to make this reusable throughout OMAR
 * particularly in CanonicalXMLCatalogingService.
 *///www . j ava2s  .  co m
protected static File runXSLT(StreamSource input, StreamSource xslt, URIResolver resolver,
        HashMap<String, String> params) throws RegistryException {

    File outputFile = null;

    try {
        //dumpStream(xslt);

        TransformerFactory tFactory = TransformerFactory.newInstance();
        Transformer transformer = initTransformer(tFactory, xslt);
        // Use FilteringService URIResolver to resolve RIs submitted in the
        // ServiceInput object
        transformer.setURIResolver(resolver);
        //Set respository item as parameter

        //Create the output file with the filtered RegistryObject Metadata
        outputFile = File.createTempFile("CanonicalXMLFilteringService_Output", ".xml");
        outputFile.deleteOnExit();

        log.debug("outputFile= " + outputFile.getAbsolutePath());

        Iterator<String> iter = params.keySet().iterator();
        while (iter.hasNext()) {
            String key = iter.next();
            Object value = params.get(key);
            transformer.setParameter(key, value);
        }

        StreamResult sr = new StreamResult(outputFile);
        transformer.transform(input, sr);

    } catch (Exception e) {
        throw new RegistryException(e);
    }

    return outputFile;

}

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From source file:com.hazelcast.test.starter.HazelcastVersionLocator.java

private static File downloadFile(String url, File targetDirectory, String filename) {
    CloseableHttpClient client = HttpClients.createDefault();
    File targetFile = new File(targetDirectory, filename);
    if (targetFile.isFile() && targetFile.exists()) {
        return targetFile;
    }/*from w  ww . j a  v  a2  s  . com*/
    HttpGet request = new HttpGet(url);
    try {
        CloseableHttpResponse response = client.execute(request);
        if (response.getStatusLine().getStatusCode() != SC_OK) {
            throw new GuardianException("Cannot download file from " + url + ", http response code: "
                    + response.getStatusLine().getStatusCode());
        }
        HttpEntity entity = response.getEntity();
        FileOutputStream fos = new FileOutputStream(targetFile);
        entity.writeTo(fos);
        fos.close();
        targetFile.deleteOnExit();
        return targetFile;
    } catch (IOException e) {
        throw rethrowGuardianException(e);
    } finally {
        try {
            client.close();
        } catch (IOException e) {
            // ignore
        }
    }
}

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From source file:com.intel.cryptostream.utils.NativeCodeLoader.java

/**
 * Extract the specified library file to the target folder
 * /*from w  ww  . j  a v a2  s  . co  m*/
 * @param libFolderForCurrentOS
 * @param libraryFileName
 * @param targetFolder
 * @return
 */
private static File extractLibraryFile(String libFolderForCurrentOS, String libraryFileName,
        String targetFolder) {
    String nativeLibraryFilePath = libFolderForCurrentOS + "/" + libraryFileName;

    // Attach UUID to the native library file to ensure multiple class loaders
    // can read the libcryptostream multiple times.
    String uuid = UUID.randomUUID().toString();
    String extractedLibFileName = String.format("cryptostream-%s-%s-%s", getVersion(), uuid, libraryFileName);
    File extractedLibFile = new File(targetFolder, extractedLibFileName);

    try {
        // Extract a native library file into the target directory
        InputStream reader = NativeCodeLoader.class.getResourceAsStream(nativeLibraryFilePath);
        FileOutputStream writer = new FileOutputStream(extractedLibFile);
        try {
            byte[] buffer = new byte[8192];
            int bytesRead = 0;
            while ((bytesRead = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, bytesRead);
            }
        } finally {
            // Delete the extracted lib file on JVM exit.
            extractedLibFile.deleteOnExit();

            if (writer != null)
                writer.close();
            if (reader != null)
                reader.close();
        }

        // Set executable (x) flag to enable Java to load the native library
        extractedLibFile.setReadable(true);
        extractedLibFile.setWritable(true, true);
        extractedLibFile.setExecutable(true);

        // Check whether the contents are properly copied from the resource folder
        {
            InputStream nativeIn = NativeCodeLoader.class.getResourceAsStream(nativeLibraryFilePath);
            InputStream extractedLibIn = new FileInputStream(extractedLibFile);
            try {
                if (!contentsEquals(nativeIn, extractedLibIn))
                    throw new RuntimeException(
                            String.format("Failed to write a native library file at %s", extractedLibFile));
            } finally {
                if (nativeIn != null)
                    nativeIn.close();
                if (extractedLibIn != null)
                    extractedLibIn.close();
            }
        }

        return new File(targetFolder, extractedLibFileName);
    } catch (IOException e) {
        e.printStackTrace(System.err);
        return null;
    }
}

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From source file:com.meltmedia.cadmium.core.util.WarUtils.java

/**
 * <p>This method updates a template war with the following settings.</p>
 * @param templateWar The name of the template war to pull from the classpath.
 * @param war The path of an external war to update (optional).
 * @param newWarNames The name to give the new war. (note: only the first element of this list is used.)
 * @param repoUri The uri to a github repo to pull content from.
 * @param branch The branch of the github repo to pull content from.
 * @param configRepoUri The uri to a github repo to pull config from.
 * @param configBranch The branch of the github repo to pull config from.
 * @param domain The domain to bind a vHost to.
 * @param context The context root that this war will deploy to.
 * @param secure A flag to set if this war needs to have its contents password protected.
 * @throws Exception/*from   w  ww . j  a  v  a 2  s  .co  m*/
 */
public static void updateWar(String templateWar, String war, List<String> newWarNames, String repoUri,
        String branch, String configRepoUri, String configBranch, String domain, String context, boolean secure,
        Logger log) throws Exception {
    ZipFile inZip = null;
    ZipOutputStream outZip = null;
    InputStream in = null;
    OutputStream out = null;
    try {
        if (war != null) {
            if (war.equals(newWarNames.get(0))) {
                File tmpZip = File.createTempFile(war, null);
                tmpZip.delete();
                tmpZip.deleteOnExit();
                new File(war).renameTo(tmpZip);
                war = tmpZip.getAbsolutePath();
            }
            inZip = new ZipFile(war);
        } else {
            File tmpZip = File.createTempFile("cadmium-war", "war");
            tmpZip.delete();
            tmpZip.deleteOnExit();
            in = WarUtils.class.getClassLoader().getResourceAsStream(templateWar);
            out = new FileOutputStream(tmpZip);
            FileSystemManager.streamCopy(in, out);
            inZip = new ZipFile(tmpZip);
        }
        outZip = new ZipOutputStream(new FileOutputStream(newWarNames.get(0)));

        ZipEntry cadmiumPropertiesEntry = null;
        cadmiumPropertiesEntry = inZip.getEntry("WEB-INF/cadmium.properties");

        Properties cadmiumProps = updateProperties(inZip, cadmiumPropertiesEntry, repoUri, branch,
                configRepoUri, configBranch);

        ZipEntry jbossWeb = null;
        jbossWeb = inZip.getEntry("WEB-INF/jboss-web.xml");

        Enumeration<? extends ZipEntry> entries = inZip.entries();
        while (entries.hasMoreElements()) {
            ZipEntry e = entries.nextElement();
            if (e.getName().equals(cadmiumPropertiesEntry.getName())) {
                storeProperties(outZip, cadmiumPropertiesEntry, cadmiumProps, newWarNames);
            } else if (((domain != null && domain.length() > 0) || (context != null && context.length() > 0))
                    && e.getName().equals(jbossWeb.getName())) {
                updateDomain(inZip, outZip, jbossWeb, domain, context);
            } else if (secure && e.getName().equals("WEB-INF/web.xml")) {
                addSecurity(inZip, outZip, e);
            } else {
                outZip.putNextEntry(e);
                if (!e.isDirectory()) {
                    FileSystemManager.streamCopy(inZip.getInputStream(e), outZip, true);
                }
                outZip.closeEntry();
            }
        }
    } finally {
        if (FileSystemManager.exists("tmp_cadmium-war.war")) {
            new File("tmp_cadmium-war.war").delete();
        }
        try {
            if (inZip != null) {
                inZip.close();
            }
        } catch (Exception e) {
            if (log != null) {
                log.error("Failed to close " + war);
            }
        }
        try {
            if (outZip != null) {
                outZip.close();
            }
        } catch (Exception e) {
            if (log != null) {
                log.error("Failed to close " + newWarNames.get(0));
            }
        }
        try {
            if (out != null) {
                out.close();
            }
        } catch (Exception e) {
        }
        try {
            if (in != null) {
                in.close();
            }
        } catch (Exception e) {
        }
    }

}

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From source file:gov.jgi.meta.MetaUtils.java

/**
 * Recursively delete file or directory//  w w  w .  ja  v a 2 s  .  c  o  m
 *
 * @param fileOrDir the file or dir to delete
 * @return true iff all files are successfully deleted
 */
public static boolean recursiveDelete(File fileOrDir) {
    if (fileOrDir.isDirectory()) {
        // recursively delete contents
        for (File innerFile : fileOrDir.listFiles()) {
            if (!recursiveDelete(innerFile)) {
                fileOrDir.deleteOnExit();
                return (false);
            }
        }
    }
    if (!fileOrDir.delete()) {
        fileOrDir.deleteOnExit();
        return (false);
    }
    return (true);
}

---

From source file:gate.util.Files.java

/**
  * Writes a temporary file into the default temporary directory,
  * form an InputStream a unique ID is generated and associated automaticaly
  * with the file name...// w w  w. ja v a 2 s .com
  */
public static File writeTempFile(InputStream contentStream) throws IOException {

    File resourceFile = null;
    FileOutputStream resourceFileOutputStream = null;

    try {
        // create a temporary file name
        resourceFile = File.createTempFile("gateResource", ".tmp");
        resourceFileOutputStream = new FileOutputStream(resourceFile);
        resourceFile.deleteOnExit();

        if (contentStream == null)
            return resourceFile;

        int bytesRead = 0;
        final int readSize = 1024;
        byte[] bytes = new byte[readSize];
        while ((bytesRead = contentStream.read(bytes, 0, readSize)) != -1)
            resourceFileOutputStream.write(bytes, 0, bytesRead);
    } finally {
        IOUtils.closeQuietly(resourceFileOutputStream);
        IOUtils.closeQuietly(contentStream);
    }

    return resourceFile;
}

---

From source file:com.zimbra.qa.unittest.TestImap.java

private static Literal message(int size) throws IOException {
    File file = File.createTempFile("msg", null);
    file.deleteOnExit();
    FileWriter out = new FileWriter(file);
    try {//from   w ww  .  j  a  va  2 s .co  m
        out.write(simpleMessage("test message"));
        for (int i = 0; i < size; i++) {
            out.write('X');
            if (i % 72 == 0) {
                out.write("\r\n");
            }
        }
    } finally {
        out.close();
    }
    return new Literal(file, true);
}

---

From source file:com.intel.chimera.utils.NativeCodeLoader.java

/**
 * Extracts the specified library file to the target folder.
 * /*from www  .j  a va  2 s .c o m*/
 * @param libFolderForCurrentOS the library in chimera.lib.path.
 * @param libraryFileName the library name.
 * @param targetFolder Target folder for the native lib. Use the value of
 *                     chimera.tempdir or java.io.tmpdir.
 * @return the library file.
 */
private static File extractLibraryFile(String libFolderForCurrentOS, String libraryFileName,
        String targetFolder) {
    String nativeLibraryFilePath = libFolderForCurrentOS + "/" + libraryFileName;

    // Attach UUID to the native library file to ensure multiple class loaders
    // can read the libchimera multiple times.
    String uuid = UUID.randomUUID().toString();
    String extractedLibFileName = String.format("chimera-%s-%s-%s", getVersion(), uuid, libraryFileName);
    File extractedLibFile = new File(targetFolder, extractedLibFileName);

    InputStream reader = null;
    try {
        // Extract a native library file into the target directory
        reader = NativeCodeLoader.class.getResourceAsStream(nativeLibraryFilePath);
        FileOutputStream writer = new FileOutputStream(extractedLibFile);
        try {
            byte[] buffer = new byte[8192];
            int bytesRead;
            while ((bytesRead = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, bytesRead);
            }
        } finally {
            // Delete the extracted lib file on JVM exit.
            extractedLibFile.deleteOnExit();

            if (writer != null) {
                writer.close();
            }

            if (reader != null) {
                reader.close();
                reader = null;
            }
        }

        // Set executable (x) flag to enable Java to load the native library
        if (!extractedLibFile.setReadable(true) || !extractedLibFile.setExecutable(true)
                || !extractedLibFile.setWritable(true, true)) {
            throw new RuntimeException("Invalid path for library path");
        }

        // Check whether the contents are properly copied from the resource folder
        {
            InputStream nativeIn = null;
            InputStream extractedLibIn = null;
            try {
                nativeIn = NativeCodeLoader.class.getResourceAsStream(nativeLibraryFilePath);
                extractedLibIn = new FileInputStream(extractedLibFile);
                if (!contentsEquals(nativeIn, extractedLibIn))
                    throw new RuntimeException(
                            String.format("Failed to write a native library file at %s", extractedLibFile));
            } finally {
                if (nativeIn != null)
                    nativeIn.close();
                if (extractedLibIn != null)
                    extractedLibIn.close();
            }
        }

        return new File(targetFolder, extractedLibFileName);
    } catch (IOException e) {
        e.printStackTrace(System.err);
        return null;
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

---

From source file:eu.edisonproject.training.execute.Main.java

private static void calculateTFIDF(String in, String out) throws IOException {
    File tmpFolder = null;
    try {//w ww .j a v a  2 s  .  c  o  m
        String contextName = FilenameUtils.removeExtension(in.substring(in.lastIndexOf(File.separator) + 1));
        ITFIDFDriver tfidfDriver = new TFIDFDriverImpl(contextName);
        File inFile = new File(in);

        String workingFolder = System.getProperty("working.folder");
        if (workingFolder == null) {
            workingFolder = prop.getProperty("working.folder", System.getProperty("java.io.tmpdir"));
        }

        tmpFolder = new File(workingFolder + File.separator + System.currentTimeMillis());

        tmpFolder.mkdir();
        tmpFolder.deleteOnExit();

        setTFIDFDriverImplPaths(inFile, tmpFolder);

        tfidfDriver.executeTFIDF(tmpFolder.getAbsolutePath());
        tfidfDriver.driveProcessResizeVector();
        File ctxPath = new File(TFIDFDriverImpl.CONTEXT_PATH);
        for (File f : ctxPath.listFiles()) {
            if (FilenameUtils.getExtension(f.getName()).endsWith("csv")) {
                FileUtils.moveFile(f, new File(out + File.separator + f.getName()));
            }
        }
    } finally {
        if (tmpFolder != null && tmpFolder.exists()) {
            tmpFolder.delete();
            FileUtils.forceDelete(tmpFolder);
        }
    }
}

---

From source file:net.lightbody.bmp.proxy.jetty.util.JarResource.java

public static void extract(Resource resource, File directory, boolean deleteOnExit) throws IOException {
    if (log.isDebugEnabled())
        log.debug("Extract " + resource + " to " + directory);
    JarInputStream jin = new JarInputStream(resource.getInputStream());
    JarEntry entry = null;/*from  w ww  .  j av a2  s . c  o m*/
    while ((entry = jin.getNextJarEntry()) != null) {
        File file = new File(directory, entry.getName());
        if (entry.isDirectory()) {
            // Make directory
            if (!file.exists())
                file.mkdirs();
        } else {
            // make directory (some jars don't list dirs)
            File dir = new File(file.getParent());
            if (!dir.exists())
                dir.mkdirs();

            // Make file
            FileOutputStream fout = null;
            try {
                fout = new FileOutputStream(file);
                IO.copy(jin, fout);
            } finally {
                IO.close(fout);
            }

            // touch the file.
            if (entry.getTime() >= 0)
                file.setLastModified(entry.getTime());
        }
        if (deleteOnExit)
            file.deleteOnExit();
    }
}

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