Example usage for org.apache.commons.compress.archivers.zip ZipFile getInputStream

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.zip ZipFile getInputStream.

Prototype

public InputStream getInputStream(ZipArchiveEntry ze) throws IOException, ZipException 

Source Link

Document

Returns an InputStream for reading the contents of the given entry.

Usage

From source file:org.beangle.ems.util.ZipUtils.java

/**
 * <p>//from  w ww .j  a va  2s.c  om
 * unzip.
 * </p>
 * 
 * @param zipFile a {@link java.io.File} object.
 * @param destination a {@link java.lang.String} object.
 * @param encoding a {@link java.lang.String} object.
 * @return a {@link java.util.List} object.
 */
public static List<String> unzip(final File zipFile, final String destination, String encoding) {
    List<String> fileNames = CollectUtils.newArrayList();
    String dest = destination;
    if (!destination.endsWith(File.separator)) {
        dest = destination + File.separator;
    }
    ZipFile file;
    try {
        file = null;
        if (null == encoding)
            file = new ZipFile(zipFile);
        else
            file = new ZipFile(zipFile, encoding);
        Enumeration<ZipArchiveEntry> en = file.getEntries();
        ZipArchiveEntry ze = null;
        while (en.hasMoreElements()) {
            ze = en.nextElement();
            File f = new File(dest, ze.getName());
            if (ze.isDirectory()) {
                f.mkdirs();
                continue;
            } else {
                f.getParentFile().mkdirs();
                InputStream is = file.getInputStream(ze);
                OutputStream os = new FileOutputStream(f);
                IOs.copy(is, os);
                is.close();
                os.close();
                fileNames.add(f.getAbsolutePath());
            }
        }
        file.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return fileNames;
}

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From source file:org.codehaus.mojo.unix.maven.zip.ZipPackageTest.java

private void assertFile(ZipFile file, ZipArchiveEntry entry, String name, int size, LocalDateTime time,
        String content, UnixFileMode mode) throws IOException {
    InputStream in = file.getInputStream(entry);

    assertFalse(name + " should be file", entry.isDirectory());
    assertEquals(name + ", name", name, entry.getName());
    assertEquals(name + ", timestamp", time, new LocalDateTime(entry.getTime()));
    // wtf: http://vimalathithen.blogspot.no/2006/06/using-zipentrygetsize.html
    // assertEquals( name + ", size", size, entry.getSize() );

    byte[] bytes = new byte[1000];
    assertEquals(size, in.read(bytes, 0, bytes.length));
    assertEquals(content, new String(bytes, 0, size, charset));

    assertEquals(ZipArchiveEntry.PLATFORM_UNIX, entry.getPlatform());
    assertEquals(name + ", mode", mode.toString(), UnixFileMode.fromInt(entry.getUnixMode()).toString());
}

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From source file:org.codehaus.plexus.archiver.jar.IndexTest.java

public void testCreateArchiveWithIndexedJars() throws Exception {
    /* create a dummy jar */
    JarArchiver archiver1 = (JarArchiver) lookup(Archiver.ROLE, "jar");
    archiver1.addFile(getTestFile("src/test/resources/manifests/manifest1.mf"), "one.txt");
    archiver1.setDestFile(getTestFile("target/output/archive1.jar"));
    archiver1.createArchive();//from w w  w  .j ava 2 s. c o  m

    /* now create another jar, with an index, and whose manifest includes a Class-Path entry for the first jar.
     */
    Manifest m = new Manifest();
    Manifest.Attribute classpathAttr = new Manifest.Attribute("Class-Path", "archive1.jar");
    m.addConfiguredAttribute(classpathAttr);

    JarArchiver archiver2 = (JarArchiver) lookup(Archiver.ROLE, "jar");
    archiver2.addFile(getTestFile("src/test/resources/manifests/manifest2.mf"), "two.txt");
    archiver2.setIndex(true);
    archiver2.addConfiguredIndexJars(archiver1.getDestFile());
    archiver2.setDestFile(getTestFile("target/output/archive2.jar"));
    archiver2.addConfiguredManifest(m);
    archiver2.createArchive();

    // read the index file back and check it looks like it ought to
    org.apache.commons.compress.archivers.zip.ZipFile zf = new org.apache.commons.compress.archivers.zip.ZipFile(
            archiver2.getDestFile());
    ZipArchiveEntry indexEntry = zf.getEntry("META-INF/INDEX.LIST");
    assertNotNull(indexEntry);
    InputStream bis = bufferedInputStream(zf.getInputStream(indexEntry));

    byte buf[] = new byte[1024];
    int i = bis.read(buf);
    String res = new String(buf, 0, i);
    assertEquals("JarIndex-Version: 1.0\n\narchive2.jar\ntwo.txt\n\narchive1.jar\none.txt\n\n",
            res.replaceAll("\r\n", "\n"));
}

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From source file:org.codehaus.plexus.archiver.jar.IndexTest.java

/**
 * this is pretty much a duplicate of testCreateArchiveWithIndexedJars(), but adds some extra
 * tests for files in META-INF//  w ww .j  av a  2 s .c  o  m
 */
public void testCreateArchiveWithIndexedJarsAndMetaInf() throws Exception {
    /* create a dummy jar */
    JarArchiver archiver1 = (JarArchiver) lookup(Archiver.ROLE, "jar");
    archiver1.addFile(getTestFile("src/test/resources/manifests/manifest1.mf"), "one.txt");

    // add a file in the META-INF directory, as this previously didn't make it into the index
    archiver1.addFile(getTestFile("src/test/resources/manifests/manifest2.mf"), "META-INF/foo");
    archiver1.setDestFile(getTestFile("target/output/archive1.jar"));
    archiver1.createArchive();

    /* create another dummy jar, with an index but nothing else in META-INF. Also checks non-leaf files. */
    JarArchiver archiver3 = (JarArchiver) lookup(Archiver.ROLE, "jar");
    archiver3.addFile(getTestFile("src/test/resources/manifests/manifest1.mf"), "org/apache/maven/one.txt");
    archiver3.addFile(getTestFile("src/test/resources/manifests/manifest2.mf"), "META-INF/INDEX.LIST");
    archiver3.setDestFile(getTestFile("target/output/archive3.jar"));
    archiver3.createArchive();

    /* now create another jar, with an index, and whose manifest includes a Class-Path entry for the first two jars.
     */
    Manifest m = new Manifest();
    Manifest.Attribute classpathAttr = new Manifest.Attribute("Class-Path", "archive1.jar archive3.jar");
    m.addConfiguredAttribute(classpathAttr);

    JarArchiver archiver2 = (JarArchiver) lookup(Archiver.ROLE, "jar");
    archiver2.addFile(getTestFile("src/test/resources/manifests/manifest2.mf"), "two.txt");
    archiver2.setIndex(true);
    archiver2.addConfiguredIndexJars(archiver1.getDestFile());
    archiver2.addConfiguredIndexJars(archiver3.getDestFile());
    archiver2.setDestFile(getTestFile("target/output/archive2.jar"));
    archiver2.addConfiguredManifest(m);
    archiver2.createArchive();

    // read the index file back and check it looks like it ought to
    org.apache.commons.compress.archivers.zip.ZipFile zf = new org.apache.commons.compress.archivers.zip.ZipFile(
            archiver2.getDestFile());
    ZipArchiveEntry indexEntry = zf.getEntry("META-INF/INDEX.LIST");
    assertNotNull(indexEntry);
    InputStream bis = bufferedInputStream(zf.getInputStream(indexEntry));

    byte buf[] = new byte[1024];
    int i = bis.read(buf);
    String res = new String(buf, 0, i);
    //System.out.println(res);

    assertEquals("JarIndex-Version: 1.0\n\n" + "archive2.jar\ntwo.txt\n\n"
            + "archive1.jar\nMETA-INF\none.txt\n\n" + "archive3.jar\norg\norg/apache\norg/apache/maven\n\n",
            res.replaceAll("\r\n", "\n"));
}

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From source file:org.codehaus.plexus.archiver.zip.AbstractZipUnArchiver.java

protected void execute() throws ArchiverException {
    getLogger().debug("Expanding: " + getSourceFile() + " into " + getDestDirectory());
    org.apache.commons.compress.archivers.zip.ZipFile zf = null;
    try {// w  ww .ja va  2s  .  c om
        zf = new org.apache.commons.compress.archivers.zip.ZipFile(getSourceFile(), encoding);
        final Enumeration e = zf.getEntries();
        while (e.hasMoreElements()) {
            final ZipArchiveEntry ze = (ZipArchiveEntry) e.nextElement();
            final ZipEntryFileInfo fileInfo = new ZipEntryFileInfo(zf, ze);
            if (isSelected(ze.getName(), fileInfo)) {
                InputStream in = zf.getInputStream(ze);
                extractFileIfIncluded(getSourceFile(), getDestDirectory(), in, ze.getName(),
                        new Date(ze.getTime()), ze.isDirectory(),
                        ze.getUnixMode() != 0 ? ze.getUnixMode() : null, resolveSymlink(zf, ze));
                IOUtil.close(in);
            }

        }

        getLogger().debug("expand complete");
    } catch (final IOException ioe) {
        throw new ArchiverException("Error while expanding " + getSourceFile().getAbsolutePath(), ioe);
    } finally {
        IOUtils.closeQuietly(zf);
    }
}

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From source file:org.codehaus.plexus.archiver.zip.AbstractZipUnArchiver.java

protected void execute(final String path, final File outputDirectory) throws ArchiverException {
    org.apache.commons.compress.archivers.zip.ZipFile zipFile = null;

    try {//from w  w w.  j  a  va 2  s  .  c o m
        zipFile = new org.apache.commons.compress.archivers.zip.ZipFile(getSourceFile(), encoding);

        final Enumeration e = zipFile.getEntries();

        while (e.hasMoreElements()) {
            final ZipArchiveEntry ze = (ZipArchiveEntry) e.nextElement();
            final ZipEntryFileInfo fileInfo = new ZipEntryFileInfo(zipFile, ze);
            if (!isSelected(ze.getName(), fileInfo)) {
                continue;
            }

            if (ze.getName().startsWith(path)) {
                final InputStream inputStream = zipFile.getInputStream(ze);
                extractFileIfIncluded(getSourceFile(), outputDirectory, inputStream, ze.getName(),
                        new Date(ze.getTime()), ze.isDirectory(),
                        ze.getUnixMode() != 0 ? ze.getUnixMode() : null, resolveSymlink(zipFile, ze));
                IOUtil.close(inputStream);
            }
        }
    } catch (final IOException ioe) {
        throw new ArchiverException("Error while expanding " + getSourceFile().getAbsolutePath(), ioe);
    } finally {
        IOUtils.closeQuietly(zipFile);
    }
}

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From source file:org.cytobank.acs.core.ACS.java

/**
 * Writes out a file contained within this <code>ACS</code> instance to the
 * specified <code>OutputStream</code>.
 * /*ww  w .  ja  va 2s.c  o m*/
 * @param filePath
 *            the <code>String</code> path representing a file within this
 *            <code>ACS</code> instance.
 * @param outputStream
 *            to write the requested file to
 * @throws IOException
 *             If an input or output exception occurred
 */
public void extractFile(String filePath, OutputStream outputStream) throws IOException {
    ZipFile zipFile = new ZipFile(acsFile);

    if (filePath.startsWith("/"))
        filePath = filePath.substring(1);

    InputStream inputStream = null;
    ZipArchiveEntry entry = zipFile.getEntry(filePath);
    try {
        if (entry == null)
            throw new IOException("Could not find zip file entry " + filePath);

        inputStream = zipFile.getInputStream(entry);
        IOUtils.copy(inputStream, outputStream);
    } finally {
        try {
            if (inputStream != null) {
                inputStream.close();
            }
        } catch (IOException ignore) {
        }

        try {
            zipFile.close();
        } catch (IOException ignore) {
        }
    }

}

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From source file:org.everit.osgi.dev.maven.util.FileManager.java

public final void unpackZipFile(final File file, final File destinationDirectory) throws IOException {
    destinationDirectory.mkdirs();//from w w  w  .jav a  2s  .com
    ZipFile zipFile = new ZipFile(file);

    try {
        Enumeration<? extends ZipArchiveEntry> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipArchiveEntry entry = entries.nextElement();
            String name = entry.getName();
            File destFile = new File(destinationDirectory, name);
            if (entry.isDirectory()) {
                destFile.mkdirs();
            } else {
                File parentFolder = destFile.getParentFile();
                parentFolder.mkdirs();
                InputStream inputStream = zipFile.getInputStream(entry);
                overCopyFile(inputStream, destFile);
                FileManager.setPermissionsOnFile(destFile, entry);
            }

        }
    } finally {
        zipFile.close();
    }
}

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From source file:org.fabrician.maven.plugins.CompressUtils.java

public static void copyZipToArchiveOutputStream(File zipSrc, FilenamePatternFilter filter,
        ArchiveOutputStream out, String alternateBaseDir) throws IOException {
    ZipFile zip = new ZipFile(zipSrc);
    for (Enumeration<ZipArchiveEntry> zipEnum = zip.getEntries(); zipEnum.hasMoreElements();) {
        ZipArchiveEntry source = zipEnum.nextElement();
        if (filter != null && !filter.accept(source.getName())) {
            System.out.println("Excluding " + source.getName());
            continue;
        }/*from w  w w.  j av a 2s.  c o  m*/
        InputStream in = null;
        try {
            in = zip.getInputStream(source);
            out.putArchiveEntry(createArchiveEntry(source, out, alternateBaseDir));
            IOUtils.copy(in, out);
            out.closeArchiveEntry();
        } finally {
            close(in);
        }
    }
}

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From source file:org.interreg.docexplore.util.ZipUtils.java

public static void unzip(File zipfile, File directory, float[] progress, float progressOffset,
        float progressAmount, boolean overwrite) throws IOException {
    org.apache.commons.compress.archivers.zip.ZipFile zfile = new org.apache.commons.compress.archivers.zip.ZipFile(
            zipfile);//from w  w  w .j  a va2 s  .co m

    int nEntries = 0;
    Enumeration<ZipArchiveEntry> entries = zfile.getEntries();
    while (entries.hasMoreElements())
        if (!entries.nextElement().isDirectory())
            nEntries++;

    int cnt = 0;
    entries = zfile.getEntries();
    while (entries.hasMoreElements()) {
        ZipArchiveEntry entry = entries.nextElement();
        File file = new File(directory, entry.getName());
        if (entry.isDirectory())
            file.mkdirs();
        else {
            if (!file.exists() || overwrite) {
                file.getParentFile().mkdirs();
                InputStream in = zfile.getInputStream(entry);
                try {
                    copy(in, file);
                } finally {
                    in.close();
                }
            }

            cnt++;
            if (progress != null)
                progress[0] = progressOffset + cnt * progressAmount / nEntries;
        }
    }
    zfile.close();
}

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