Examples with ZipFile java.util.zip.ZipFile used on opensource projects

Example 11 with ZipFile

use of java.util.zip.ZipFile in project deeplearning4j by deeplearning4j.

the class ClassPathResource method getFile.

/**
     * Returns requested ClassPathResource as File object
     *
     * Please note: if this method called from compiled jar, temporary file will be created to provide File access
     *
     * @return File requested at constructor call
     * @throws FileNotFoundException
     */
public File getFile() throws FileNotFoundException {
    URL url = this.getUrl();
    if (isJarURL(url)) {
        /*
                This is actually request for file, that's packed into jar. Probably the current one, but that doesn't matters.
             */
        try {
            url = extractActualUrl(url);
            File file = File.createTempFile("datavec_temp", "file");
            file.deleteOnExit();
            ZipFile zipFile = new ZipFile(url.getFile());
            ZipEntry entry = zipFile.getEntry(this.resourceName);
            if (entry == null) {
                if (this.resourceName.startsWith("/")) {
                    entry = zipFile.getEntry(this.resourceName.replaceFirst("/", ""));
                    if (entry == null) {
                        throw new FileNotFoundException("Resource " + this.resourceName + " not found");
                    }
                } else
                    throw new FileNotFoundException("Resource " + this.resourceName + " not found");
            }
            long size = entry.getSize();
            InputStream stream = zipFile.getInputStream(entry);
            FileOutputStream outputStream = new FileOutputStream(file);
            byte[] array = new byte[1024];
            int rd = 0;
            long bytesRead = 0;
            do {
                rd = stream.read(array);
                outputStream.write(array, 0, rd);
                bytesRead += rd;
            } while (bytesRead < size);
            outputStream.flush();
            outputStream.close();
            stream.close();
            zipFile.close();
            return file;
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    } else {
        try {
            URI uri = new URI(url.toString().replaceAll(" ", "%20"));
            return new File(uri.getSchemeSpecificPart());
        } catch (URISyntaxException e) {
            return new File(url.getFile());
        }
    }
}

Example 12 with ZipFile

use of java.util.zip.ZipFile in project deeplearning4j by deeplearning4j.

the class ClassPathResource method getInputStream.

/**
     * Returns requested ClassPathResource as InputStream object
     *
     * @return File requested at constructor call
     * @throws FileNotFoundException
     */
public InputStream getInputStream() throws FileNotFoundException {
    URL url = this.getUrl();
    if (isJarURL(url)) {
        try {
            url = extractActualUrl(url);
            ZipFile zipFile = new ZipFile(url.getFile());
            ZipEntry entry = zipFile.getEntry(this.resourceName);
            if (entry == null) {
                if (this.resourceName.startsWith("/")) {
                    entry = zipFile.getEntry(this.resourceName.replaceFirst("/", ""));
                    if (entry == null) {
                        throw new FileNotFoundException("Resource " + this.resourceName + " not found");
                    }
                } else
                    throw new FileNotFoundException("Resource " + this.resourceName + " not found");
            }
            InputStream stream = zipFile.getInputStream(entry);
            return stream;
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    } else {
        File srcFile = this.getFile();
        return new FileInputStream(srcFile);
    }
}

Example 13 with ZipFile

use of java.util.zip.ZipFile in project che by eclipse.

the class Util method getJdkLevel.

/**
     * Get the jdk level of this root.
     * The value can be:
     * <ul>
     * <li>major<<16 + minor : see predefined constants on ClassFileConstants </li>
     * <li><code>0</null> if the root is a source package fragment root or if a Java model exception occured</li>
     * </ul>
     * Returns the jdk level
     */
public static long getJdkLevel(Object targetLibrary) {
    try {
        ClassFileReader reader = null;
        if (targetLibrary instanceof IFolder) {
            // only internal classfolders are allowed
            IFile classFile = findFirstClassFile((IFolder) targetLibrary);
            if (classFile != null)
                reader = Util.newClassFileReader(classFile);
        } else {
            // root is a jar file or a zip file
            ZipFile jar = null;
            try {
                IPath path = null;
                if (targetLibrary instanceof IResource) {
                    path = ((IResource) targetLibrary).getFullPath();
                } else if (targetLibrary instanceof File) {
                    File f = (File) targetLibrary;
                    if (!f.isDirectory()) {
                        path = new Path(((File) targetLibrary).getPath());
                    }
                }
                if (path != null) {
                    jar = JavaModelManager.getJavaModelManager().getZipFile(path);
                    for (Enumeration e = jar.entries(); e.hasMoreElements(); ) {
                        ZipEntry member = (ZipEntry) e.nextElement();
                        String entryName = member.getName();
                        if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(entryName)) {
                            reader = ClassFileReader.read(jar, entryName);
                            break;
                        }
                    }
                }
            } catch (CoreException e) {
            // ignore
            } finally {
                JavaModelManager.getJavaModelManager().closeZipFile(jar);
            }
        }
        if (reader != null) {
            return reader.getVersion();
        }
    } catch (CoreException e) {
    // ignore
    } catch (ClassFormatException e) {
    // ignore
    } catch (IOException e) {
    // ignore
    }
    return 0;
}

Example 14 with ZipFile

use of java.util.zip.ZipFile in project che by eclipse.

the class InstallExtension method getExtensionFromFile.

private static Extension getExtensionFromFile(Path zipPath) throws IOException {
    try (ZipFile zipFile = new ZipFile(zipPath.toString())) {
        Enumeration<? extends ZipEntry> entries = zipFile.entries();
        ZipEntry gwtXmlEntry = null;
        ZipEntry pomEntry = null;
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            if (!entry.isDirectory()) {
                if (entry.getName().endsWith(GwtXmlUtils.GWT_MODULE_XML_SUFFIX)) {
                    gwtXmlEntry = entry;
                } else if (entry.getName().endsWith("pom.xml")) {
                    pomEntry = entry;
                }
            }
            // have both entries
            if (pomEntry != null && gwtXmlEntry != null) {
                break;
            }
        }
        // TODO consider Codenvy extension validator
        if (pomEntry == null) {
            return null;
        }
        String gwtModuleName = null;
        if (gwtXmlEntry != null) {
            gwtModuleName = gwtXmlEntry.getName().replace(File.separatorChar, '.');
            gwtModuleName = gwtModuleName.substring(0, gwtModuleName.length() - GwtXmlUtils.GWT_MODULE_XML_SUFFIX.length());
        }
        Model pom = Model.readFrom(zipFile.getInputStream(pomEntry));
        return new Extension(gwtModuleName, MavenUtils.getGroupId(pom), pom.getArtifactId(), MavenUtils.getVersion(pom));
    }
}

Example 15 with ZipFile

use of java.util.zip.ZipFile in project che by eclipse.

the class ClasspathJar method readPackages.

private SimpleSet readPackages() {
    try {
        if (this.zipFile == null) {
            if (org.eclipse.jdt.internal.core.JavaModelManager.ZIP_ACCESS_VERBOSE) {
                System.out.println("(" + Thread.currentThread() + ") [ClasspathJar.isPackage(String)] Creating ZipFile on " + this.zipFilename);
            //$NON-NLS-1$	//$NON-NLS-2$
            }
            this.zipFile = new ZipFile(this.zipFilename);
            this.closeZipFileAtEnd = true;
        }
        return findPackageSet(this);
    } catch (Exception e) {
        // assume for this build the zipFile is empty
        return new SimpleSet();
    }
}