Example usage for java.util.zip ZipFile entries

Introduction

In this page you can find the example usage for java.util.zip ZipFile entries.

Prototype

public Enumeration<? extends ZipEntry> entries() 

Source Link

Document

Returns an enumeration of the ZIP file entries.

Usage

From source file:nl.ordina.bag.etl.loader.ExtractLoader.java

protected Map<String, String> getFiles(ZipFile zipFile) {
    Map<String, String> result = new HashMap<String, String>();
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        if (isMutatieFile(entry.getName()))
            result.put(getObjectType(entry.getName()), entry.getName());
    }//from  w ww. j av a 2 s  . c om
    return result;
}

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From source file:br.univali.celine.lms.utils.zip.Zip.java

public void unzip(File zipFile, File dir) throws Exception {

    InputStream is = null;//from   ww  w.  j  av a  2s . c om
    OutputStream os = null;
    ZipFile zip = null;

    try {

        zip = new ZipFile(zipFile);
        Enumeration<? extends ZipEntry> e = zip.entries();

        byte[] buffer = new byte[2048];
        int currentEntry = 0;

        while (e.hasMoreElements()) {

            ZipEntry zipEntry = (ZipEntry) e.nextElement();
            File file = new File(dir, zipEntry.getName());
            currentEntry++;

            if (zipEntry.isDirectory()) {

                if (!file.exists())
                    file.mkdirs();

                continue;

            }

            if (!file.getParentFile().exists())
                file.getParentFile().mkdirs();

            try {

                int bytesLidos = 0;

                is = zip.getInputStream(zipEntry);
                os = new FileOutputStream(file);

                if (is == null)
                    throw new ZipException("Erro ao ler a entrada do zip: " + zipEntry.getName());

                while ((bytesLidos = is.read(buffer)) > 0)
                    os.write(buffer, 0, bytesLidos);

                if (listener != null)
                    listener.unzip((100 * currentEntry) / zip.size());

            } finally {

                if (is != null)
                    try {
                        is.close();
                    } catch (Exception ex) {
                    }

                if (os != null)
                    try {
                        os.close();
                    } catch (Exception ex) {
                    }

            }
        }

    } finally {

        if (zip != null)
            try {
                zip.close();
            } catch (Exception e) {
            }

    }

}

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From source file:com.cloudant.sync.datastore.DatastoreSchemaTests.java

@SuppressWarnings("ResultOfMethodCallIgnored") // mkdirs result should be fine
private boolean unzipToDirectory(File zipPath, File outputDirectory) {
    try {//  w  ww.j a va 2  s  .  c o m

        ZipFile zipFile = new ZipFile(zipPath);
        try {
            Enumeration<? extends ZipEntry> entries = zipFile.entries();
            while (entries.hasMoreElements()) {
                ZipEntry entry = entries.nextElement();
                File entryDestination = new File(outputDirectory, entry.getName());
                if (entry.isDirectory())
                    entryDestination.mkdirs();
                else {
                    entryDestination.getParentFile().mkdirs();
                    InputStream in = zipFile.getInputStream(entry);
                    OutputStream out = new FileOutputStream(entryDestination);
                    IOUtils.copy(in, out);
                    IOUtils.closeQuietly(in);
                    out.close();
                }
            }
        } finally {
            zipFile.close();
        }

        return true;

    } catch (Exception ex) {
        return false;
    }
}

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From source file:net.sourceforge.jweb.maven.mojo.InWarMinifyMojo.java

public void execute() throws MojoExecutionException, MojoFailureException {
    if (disabled)
        return;//from  w ww. j av  a  2  s.c om
    processConfiguration();
    String name = this.getBuilddir().getAbsolutePath() + File.separator + this.getFinalName() + "."
            + this.getPacking();
    this.getLog().info(name);
    MinifyFileFilter fileFilter = new MinifyFileFilter();
    int counter = 0;
    try {
        File finalWarFile = new File(name);
        File tempFile = File.createTempFile(finalWarFile.getName(), null);
        tempFile.delete();//check deletion
        boolean renameOk = finalWarFile.renameTo(tempFile);
        if (!renameOk) {
            getLog().error("Can not rename file, please check.");
        }

        ZipOutputStream out = new ZipOutputStream(new FileOutputStream(finalWarFile));
        ZipFile zipFile = new ZipFile(tempFile);
        Enumeration<? extends ZipEntry> entries = zipFile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            //no compress, just transfer to war
            if (!fileFilter.accept(entry)) {
                getLog().debug("nocompress entry: " + entry.getName());
                out.putNextEntry(entry);
                InputStream inputStream = zipFile.getInputStream(entry);
                byte[] buf = new byte[512];
                int len = -1;
                while ((len = inputStream.read(buf)) > 0) {
                    out.write(buf, 0, len);
                }
                inputStream.close();
                continue;
            }

            File sourceTmp = new File(FileUtils.getUserDirectoryPath() + File.separator + ".mvntmp"
                    + File.separator + counter + ".tmp");
            File destTmp = new File(FileUtils.getUserDirectoryPath() + File.separator + ".mvntmp"
                    + File.separator + counter + ".min.tmp");
            FileUtils.writeStringToFile(sourceTmp, "");
            FileUtils.writeStringToFile(destTmp, "");

            //assemble arguments
            String[] provied = getYuiArguments();
            int length = (provied == null ? 0 : provied.length);
            length += 5;
            int i = 0;

            String[] ret = new String[length];

            ret[i++] = "--type";
            ret[i++] = (entry.getName().toLowerCase().endsWith(".css") ? "css" : "js");

            if (provied != null) {
                for (String s : provied) {
                    ret[i++] = s;
                }
            }

            ret[i++] = sourceTmp.getAbsolutePath();
            ret[i++] = "-o";
            ret[i++] = destTmp.getAbsolutePath();

            try {
                InputStream in = zipFile.getInputStream(entry);
                FileUtils.copyInputStreamToFile(in, sourceTmp);
                in.close();

                YUICompressorNoExit.main(ret);
            } catch (Exception e) {
                this.getLog().warn("compress error, this file will not be compressed:" + buildStack(e));
                FileUtils.copyFile(sourceTmp, destTmp);
            }

            out.putNextEntry(new ZipEntry(entry.getName()));
            InputStream compressedIn = new FileInputStream(destTmp);
            byte[] buf = new byte[512];
            int len = -1;
            while ((len = compressedIn.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
            compressedIn.close();

            String sourceSize = decimalFormat.format(sourceTmp.length() * 1.0d / 1024) + " KB";
            String destSize = decimalFormat.format(destTmp.length() * 1.0d / 1024) + " KB";
            getLog().info("compressed entry:" + entry.getName() + " [" + sourceSize + " ->" + destSize + "/"
                    + numberFormat.format(1 - destTmp.length() * 1.0d / sourceTmp.length()) + "]");

            counter++;
        }
        zipFile.close();
        out.close();

        FileUtils.cleanDirectory(new File(FileUtils.getUserDirectoryPath() + File.separator + ".mvntmp"));
        FileUtils.forceDelete(new File(FileUtils.getUserDirectoryPath() + File.separator + ".mvntmp"));
    } catch (Exception e) {
        e.printStackTrace();
    }

}

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From source file:biz.c24.io.spring.batch.writer.C24ItemWriterTests.java

@Test
public void testZipFileWrite() throws Exception {

    // Get somewhere temporary to write out to
    File outputFile = File.createTempFile("ItemWriterTest-", ".csv.zip");
    outputFile.deleteOnExit();//from   w ww .j a  va 2s . c o m
    String outputFileName = outputFile.getAbsolutePath();

    // Configure the ItemWriter
    C24ItemWriter itemWriter = new C24ItemWriter();
    itemWriter.setSink(new TextualSink());
    itemWriter.setWriterSource(new ZipFileWriterSource());
    itemWriter.setup(getStepExecution(outputFileName));
    // Write the employees out
    itemWriter.write(employees);
    // Close the file
    itemWriter.cleanup();

    // Check that we wrote out what was expected
    ZipFile zipFile = new ZipFile(outputFileName);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    assertNotNull(entries);
    // Make sure there's at least one entry
    assertTrue(entries.hasMoreElements());
    ZipEntry entry = entries.nextElement();
    // Make sure that the trailing .zip has been removed and the leading path has been removed
    assertFalse(entry.getName().contains(System.getProperty("file.separator")));
    assertFalse(entry.getName().endsWith(".zip"));
    // Make sure that there aren't any other entries
    assertFalse(entries.hasMoreElements());

    try {
        compareCsv(zipFile.getInputStream(entry), employees);
    } finally {
        if (zipFile != null) {
            zipFile.close();
        }
    }
}

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From source file:it.readbeyond.minstrel.librarian.FormatHandlerCBZ.java

public Publication parseFile(File file) {
    Publication p = super.parseFile(file);

    Format format = new Format(CBZ_FORMAT);

    try {/*  w ww.  j  a v  a  2s  . c  o  m*/
        ZipFile zipFile = new ZipFile(file, ZipFile.OPEN_READ);
        Enumeration<? extends ZipEntry> zipFileEntries = zipFile.entries();
        boolean foundMetadataFile = false;
        boolean foundCover = false;
        boolean foundPlaylist = false;
        String zeCover = null;
        String zePlaylist = null;
        List<String> assets = new ArrayList<String>();
        while (zipFileEntries.hasMoreElements()) {
            ZipEntry ze = zipFileEntries.nextElement();
            String name = ze.getName();
            String lower = name.toLowerCase();

            if (lower.endsWith(CBZ_DEFAULT_COVER_JPG) || lower.endsWith(CBZ_DEFAULT_COVER_PNG)) {
                p.isValid(true);
                zeCover = name;
                assets.add(name);
            } else if (lower.endsWith(CBZ_FILE_PLAYLIST)) {
                zePlaylist = name;
            } else if (this.fileHasAllowedExtension(lower, CBZ_IMAGE_EXTENSIONS)) {
                p.isValid(true);
                assets.add(name);
            } else if (lower.endsWith(CBZ_FILE_METADATA)) {
                p.isValid(true);
                foundMetadataFile = true;
                if (this.parseMetadataFile(zipFile, ze, format)) {
                    if (format.getMetadatum("internalPathPlaylist") != null) {
                        foundPlaylist = true;
                    }
                    if (format.getMetadatum("internalPathCover") != null) {
                        foundCover = true;
                    }
                }
            } // end if metadata
        } // end while
        zipFile.close();

        // set cover
        if (!foundCover) {
            // no cover found from metadata
            // found default?
            if (zeCover != null) {
                // use default
                format.addMetadatum("internalPathCover", zeCover);
            } else {
                // sort and use the first image found
                if (assets.size() > 0) {
                    Collections.sort(assets);
                    format.addMetadatum("internalPathCover", assets.get(0));
                }
            }
        }

        // default playlist found?
        if ((!foundPlaylist) && (zePlaylist != null)) {
            format.addMetadatum("internalPathPlaylist", zePlaylist);
        }

        // set number of assets
        format.addMetadatum("numberOfAssets", "" + assets.size());

    } catch (Exception e) {
        // invalidate publication, so it will not be added to library
        p.isValid(false);
    } // end try

    p.addFormat(format);

    // extract cover
    super.extractCover(file, format, p.getID());

    return p;
}

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From source file:org.jboss.tools.project.examples.ProjectExamplesActivator.java

public static boolean extractZipFile(File file, File destination, IProgressMonitor monitor) {
    ZipFile zipFile = null;
    destination.mkdirs();/*w w w .  j a  v  a  2  s .  c o m*/
    try {
        zipFile = new ZipFile(file);
        Enumeration<? extends ZipEntry> entries = zipFile.entries();
        while (entries.hasMoreElements()) {
            if (monitor.isCanceled()) {
                return false;
            }
            ZipEntry entry = (ZipEntry) entries.nextElement();
            if (entry.isDirectory()) {
                monitor.setTaskName("Extracting " + entry.getName());
                File dir = new File(destination, entry.getName());
                dir.mkdirs();
                continue;
            }
            monitor.setTaskName("Extracting " + entry.getName());
            File entryFile = new File(destination, entry.getName());
            entryFile.getParentFile().mkdirs();
            InputStream in = null;
            OutputStream out = null;
            try {
                in = zipFile.getInputStream(entry);
                out = new FileOutputStream(entryFile);
                copy(in, out);
            } finally {
                if (in != null) {
                    try {
                        in.close();
                    } catch (Exception e) {
                        // ignore
                    }
                }
                if (out != null) {
                    try {
                        out.close();
                    } catch (Exception e) {
                        // ignore
                    }
                }
            }
        }
    } catch (IOException e) {
        ProjectExamplesActivator.log(e);
        return false;
    } finally {
        if (zipFile != null) {
            try {
                zipFile.close();
            } catch (IOException e) {
                // ignore
            }
        }
    }
    return true;
}

---

From source file:it.readbeyond.minstrel.unzipper.Unzipper.java

private String list(String inputZip) throws IOException, JSONException {
    // list all files
    List<String> acc = new ArrayList<String>();
    File sourceZipFile = new File(inputZip);
    ZipFile zipFile = new ZipFile(sourceZipFile, ZipFile.OPEN_READ);
    Enumeration<? extends ZipEntry> zipFileEntries = zipFile.entries();
    while (zipFileEntries.hasMoreElements()) {
        acc.add(zipFileEntries.nextElement().getName());
    }/*from   w  w w  .j ava2s  .c  om*/
    zipFile.close();

    // sort
    Collections.sort(acc);

    // return JSON string
    return stringify(acc);
}

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From source file:biz.c24.io.spring.batch.writer.C24ItemWriterTests.java

@Test
public void testResourceZipFileWrite() throws Exception {

    // Get somewhere temporary to write out to
    File outputFile = File.createTempFile("ItemWriterTest-", ".csv.zip");
    outputFile.deleteOnExit();/*from  ww  w. ja v a  2s  .c  o  m*/
    String outputFileName = outputFile.getAbsolutePath();

    ZipFileWriterSource source = new ZipFileWriterSource();
    source.setResource(new FileSystemResource(outputFileName));

    // Configure the ItemWriter
    C24ItemWriter itemWriter = new C24ItemWriter();
    itemWriter.setSink(new TextualSink());
    itemWriter.setWriterSource(source);
    itemWriter.setup(getStepExecution(null));
    // Write the employees out
    itemWriter.write(employees);
    // Close the file
    itemWriter.cleanup();

    // Check that we wrote out what was expected
    ZipFile zipFile = new ZipFile(outputFileName);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    assertNotNull(entries);
    // Make sure there's at least one entry
    assertTrue(entries.hasMoreElements());
    ZipEntry entry = entries.nextElement();
    // Make sure that the trailing .zip has been removed and the leading path has been removed
    assertFalse(entry.getName().contains(System.getProperty("file.separator")));
    assertFalse(entry.getName().endsWith(".zip"));
    // Make sure that there aren't any other entries
    assertFalse(entries.hasMoreElements());

    try {
        compareCsv(zipFile.getInputStream(entry), employees);
    } finally {
        if (zipFile != null) {
            zipFile.close();
        }
    }
}

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From source file:dpfmanager.shell.modules.client.core.ClientService.java

private boolean unzipFileIntoDirectory(File file, File dest) {
    try {/*from  w w  w.jav  a 2  s  . co m*/
        ZipFile zipFile = new ZipFile(file);
        Enumeration files = zipFile.entries();
        while (files.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) files.nextElement();
            InputStream eis = zipFile.getInputStream(entry);
            byte[] buffer = new byte[1024];
            int bytesRead = 0;

            File f = new File(dest.getAbsolutePath() + File.separator + entry.getName());

            if (entry.isDirectory()) {
                f.mkdirs();
                continue;
            } else {
                f.getParentFile().mkdirs();
                f.createNewFile();
            }

            FileOutputStream fos = new FileOutputStream(f);

            while ((bytesRead = eis.read(buffer)) != -1) {
                fos.write(buffer, 0, bytesRead);
            }
            fos.close();
        }
    } catch (IOException e) {
        return false;
    }
    return true;
}

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