Example usage for java.util.jar JarInputStream JarInputStream

Introduction

In this page you can find the example usage for java.util.jar JarInputStream JarInputStream.

Prototype

public JarInputStream(InputStream in) throws IOException 

Source Link

Document

Creates a new JarInputStream and reads the optional manifest.

Usage

From source file:org.bimserver.plugins.classloaders.FileJarClassLoader.java

private void loadEmbeddedJarFileSystems(Path path) {
    try {// w w  w .j  a  v  a 2  s.c o m
        if (Files.isDirectory(path)) {
            for (Path subPath : PathUtils.list(path)) {
                loadEmbeddedJarFileSystems(subPath);
            }
        } else {
            // This is annoying, but we are caching the contents of JAR files within JAR files in memory, could not get the JarFileSystem to work with jar:jar:file URI's
            // Also there is a problem with not being able to change position within a file, at least in the JarFileSystem
            // It looks like there are 2 other solutions to this problem:
            // - Copy the embedded JAR files to a tmp directory, and load from there with a JarFileSystem wrapper (at some stage we were doing this for all JAR contents, 
            // resulted in 50.000 files, which was annoying, but a few JAR files probably won't hurt
            // - Don't allow plugins to have embedded JAR's, could force them to extract all dependencies...
            //
            if (path.getFileName().toString().toLowerCase().endsWith(".jar")) {
                JarInputStream jarInputStream = new JarInputStream(Files.newInputStream(path));
                try {
                    JarEntry jarEntry = jarInputStream.getNextJarEntry();
                    while (jarEntry != null) {
                        jarContent.put(jarEntry.getName(), IOUtils.toByteArray(jarInputStream));
                        jarEntry = jarInputStream.getNextJarEntry();
                    }
                } finally {
                    jarInputStream.close();
                }
            }
        }
    } catch (IOException e) {
        LOGGER.error("", e);
    }
}

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From source file:com.izforge.izpack.compiler.helper.CompilerHelper.java

/**
 * Returns a list which contains the pathes of all files which are included in the given url.
 * This method expects as the url param a jar.
 *
 * @param url url of the jar file//from   w  w w. jav a  2s. co m
 * @return full qualified paths of the contained files
 * @throws IOException if the jar cannot be read
 */
public List<String> getContainedFilePaths(URL url) throws IOException {
    JarInputStream jis = new JarInputStream(url.openStream());
    ZipEntry zentry;
    ArrayList<String> fullNames = new ArrayList<String>();
    while ((zentry = jis.getNextEntry()) != null) {
        String name = zentry.getName();
        // Add only files, no directory entries.
        if (!zentry.isDirectory()) {
            fullNames.add(name);
        }
    }
    jis.close();
    return (fullNames);
}

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From source file:org.drools.guvnor.server.contenthandler.ModelContentHandler.java

private Set<String> getImportsFromJar(AssetItem assetItem) throws IOException {

    Set<String> imports = new HashSet<String>();
    Map<String, String> nonCollidingImports = new HashMap<String, String>();
    String assetPackageName = assetItem.getModuleName();

    //Setup class-loader to check for class visibility
    JarInputStream cljis = new JarInputStream(assetItem.getBinaryContentAttachment());
    List<JarInputStream> jarInputStreams = new ArrayList<JarInputStream>();
    jarInputStreams.add(cljis);/* w  w  w  .  j  a v a 2s .  c  o m*/
    ClassLoaderBuilder clb = new ClassLoaderBuilder(jarInputStreams);
    ClassLoader cl = clb.buildClassLoader();

    //Reset stream to read classes
    JarInputStream jis = new JarInputStream(assetItem.getBinaryContentAttachment());
    JarEntry entry = null;

    //Get Class names from JAR, only the first occurrence of a given Class leaf name will be inserted. Thus 
    //"org.apache.commons.lang.NumberUtils" will be imported but "org.apache.commons.lang.math.NumberUtils"
    //will not, assuming it follows later in the JAR structure.
    while ((entry = jis.getNextJarEntry()) != null) {
        if (!entry.isDirectory()) {
            if (entry.getName().endsWith(".class") && !entry.getName().endsWith("package-info.class")) {
                final String fullyQualifiedName = convertPathToName(entry.getName());
                final String fullyQualifiedClassName = convertPathToClassName(entry.getName());
                if (isClassVisible(cl, fullyQualifiedClassName, assetPackageName)) {
                    String leafName = getLeafName(fullyQualifiedName);
                    if (!nonCollidingImports.containsKey(leafName)) {
                        nonCollidingImports.put(leafName, fullyQualifiedName);
                    }
                }
            }
        }
    }

    //Build list of imports
    for (String value : nonCollidingImports.values()) {
        String line = "import " + value;
        imports.add(line);
    }

    return imports;
}

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From source file:org.apache.geode.internal.DeployedJar.java

/**
 * Peek into the JAR data and make sure that it is valid JAR content.
 *
 * @param inputStream InputStream containing data to be validated.
 * @return True if the data has JAR content, false otherwise
 *///from  ww w  . java  2  s.  c  o m
private static boolean hasValidJarContent(final InputStream inputStream) {
    JarInputStream jarInputStream = null;
    boolean valid = false;

    try {
        jarInputStream = new JarInputStream(inputStream);
        valid = jarInputStream.getNextJarEntry() != null;
    } catch (IOException ignore) {
        // Ignore this exception and just return false
    } finally {
        try {
            jarInputStream.close();
        } catch (IOException ignored) {
            // Ignore this exception and just return result
        }
    }

    return valid;
}

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From source file:org.springframework.data.hadoop.mapreduce.ExecutionUtils.java

private static boolean isLegacyJar(Resource jar) throws IOException {
    JarInputStream jis = new JarInputStream(jar.getInputStream());
    JarEntry entry = null;// w  w  w. j ava  2 s. c o m
    try {
        while ((entry = jis.getNextJarEntry()) != null) {
            String name = entry.getName();
            if (name.startsWith("lib/") //|| name.startsWith("classes/")
            ) {
                return true;
            }
        }
    } finally {
        IOUtils.closeStream(jis);
    }
    return false;
}

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From source file:org.apache.hadoop.util.TestJarFinder.java

@Test
public void testNoManifest() throws Exception {
    File dir = GenericTestUtils.getTestDir(TestJarFinder.class.getName() + "-testNoManifest");
    delete(dir);//from w w w.  j a v a2 s  .c  o  m
    dir.mkdirs();
    File propsFile = new File(dir, "props.properties");
    Writer writer = new FileWriter(propsFile);
    new Properties().store(writer, "");
    writer.close();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    JarOutputStream zos = new JarOutputStream(baos);
    JarFinder.jarDir(dir, "", zos);
    JarInputStream jis = new JarInputStream(new ByteArrayInputStream(baos.toByteArray()));
    Assert.assertNotNull(jis.getManifest());
    jis.close();
}

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From source file:com.liferay.ide.project.core.modules.ServiceWrapperCommand.java

private Map<String, String[]> _getDynamicServiceWrapper() throws IOException {
    PortalRuntime portalRuntime = (PortalRuntime) _server.getRuntime().loadAdapter(PortalRuntime.class, null);

    IPath bundleLibPath = portalRuntime.getAppServerLibGlobalDir();
    IPath bundleServerPath = portalRuntime.getAppServerDir();

    Map<String, String[]> map = new LinkedHashMap<>();

    List<File> libFiles;

    File portalkernelJar = null;// w w w. j  a  v  a 2 s  .  c  o m

    try {
        libFiles = FileListing.getFileListing(new File(bundleLibPath.toOSString()));

        for (File lib : libFiles) {
            if (FileUtil.exists(lib) && lib.getName().endsWith("portal-kernel.jar")) {
                portalkernelJar = lib;

                break;
            }
        }

        libFiles = FileListing.getFileListing(new File(bundleServerPath.append("../osgi").toOSString()));

        libFiles.add(portalkernelJar);

        if (ListUtil.isNotEmpty(libFiles)) {
            for (File lib : libFiles) {
                if (lib.getName().endsWith(".lpkg")) {
                    try (JarFile jar = new JarFile(lib)) {
                        Enumeration<JarEntry> enu = jar.entries();

                        while (enu.hasMoreElements()) {
                            try {
                                JarEntry entry = enu.nextElement();

                                String name = entry.getName();

                                if (name.contains(".api-")) {
                                    JarEntry jarentry = jar.getJarEntry(name);

                                    try (InputStream inputStream = jar.getInputStream(jarentry);
                                            JarInputStream jarInputStream = new JarInputStream(inputStream)) {
                                        JarEntry nextJarEntry;

                                        while ((nextJarEntry = jarInputStream.getNextJarEntry()) != null) {
                                            String entryName = nextJarEntry.getName();

                                            _getServiceWrapperList(map, entryName, jarInputStream);
                                        }
                                    }
                                }
                            } catch (Exception e) {
                            }
                        }
                    }
                } else if (lib.getName().endsWith("api.jar") || lib.getName().equals("portal-kernel.jar")) {

                    try (JarFile jar = new JarFile(lib);
                            InputStream inputStream = Files.newInputStream(lib.toPath());
                            JarInputStream jarinput = new JarInputStream(inputStream)) {

                        Enumeration<JarEntry> enu = jar.entries();

                        while (enu.hasMoreElements()) {
                            JarEntry entry = enu.nextElement();

                            String name = entry.getName();

                            _getServiceWrapperList(map, name, jarinput);
                        }
                    } catch (IOException ioe) {
                    }
                }
            }
        }
    } catch (FileNotFoundException fnfe) {
    }

    return map;
}

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From source file:org.n52.ifgicopter.spf.common.PluginRegistry.java

/**
 * @param jar//w  ww  .  j  ava 2  s.  c om
 *        the jar
 * @return list of fqcn
 */
private List<String> listClasses(File jar) throws IOException {
    ArrayList<String> result = new ArrayList<String>();

    JarInputStream jis = new JarInputStream(new FileInputStream(jar));
    JarEntry je;

    while (jis.available() > 0) {
        je = jis.getNextJarEntry();

        if (je != null) {
            if (je.getName().endsWith(".class")) {
                result.add(je.getName().replaceAll("/", "\\.").substring(0, je.getName().indexOf(".class")));
            }
        }
    }

    return result;
}

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From source file:com.photon.phresco.service.util.ServerUtil.java

/**
 * Validate the given jar is valid maven jar
 * /*from   ww w .  j  a v a 2 s. c o  m*/
 * @return
 * @throws PhrescoException
 */
public static boolean validateMavenJar(InputStream inputJar) throws PhrescoException {
    boolean returnValue = false;
    try {
        jarInputStream = new JarInputStream(inputJar);
        JarEntry nextJarEntry = jarInputStream.getNextJarEntry();
        while ((nextJarEntry = jarInputStream.getNextJarEntry()) != null) {
            if (nextJarEntry.getName().contains("pom.xml")) {
                returnValue = true;
                break;
            }
        }
    } catch (Exception e) {
        throw new PhrescoException(e);
    }

    return returnValue;
}

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From source file:com.destroystokyo.paperclip.Paperclip.java

static void run(final String[] args) {
    try {/*ww  w  .  j a v  a2  s  .  c  o  m*/
        digest = MessageDigest.getInstance("SHA-256");
    } catch (NoSuchAlgorithmException e) {
        System.err.println("Could not create hashing instance");
        e.printStackTrace();
        System.exit(1);
    }

    final PatchData patchInfo;
    try (final InputStream is = getConfig()) {
        patchInfo = PatchData.parse(is);
    } catch (final IllegalArgumentException e) {
        System.err.println("Invalid patch file");
        e.printStackTrace();
        System.exit(1);
        return;
    } catch (final IOException e) {
        System.err.println("Error reading patch file");
        e.printStackTrace();
        System.exit(1);
        return;
    }

    final File vanillaJar = new File(cache, "mojang_" + patchInfo.getVersion() + ".jar");
    paperJar = new File(cache, "patched_" + patchInfo.getVersion() + ".jar");

    final boolean vanillaValid;
    final boolean paperValid;
    try {
        vanillaValid = checkJar(vanillaJar, patchInfo.getOriginalHash());
        paperValid = checkJar(paperJar, patchInfo.getPatchedHash());
    } catch (final IOException e) {
        System.err.println("Error reading jar");
        e.printStackTrace();
        System.exit(1);
        return;
    }

    if (!paperValid) {
        if (!vanillaValid) {
            System.out.println("Downloading original jar...");
            //noinspection ResultOfMethodCallIgnored
            cache.mkdirs();
            //noinspection ResultOfMethodCallIgnored
            vanillaJar.delete();

            try (final InputStream stream = patchInfo.getOriginalUrl().openStream()) {
                final ReadableByteChannel rbc = Channels.newChannel(stream);
                try (final FileOutputStream fos = new FileOutputStream(vanillaJar)) {
                    fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
                }
            } catch (final IOException e) {
                System.err.println("Error downloading original jar");
                e.printStackTrace();
                System.exit(1);
            }

            // Only continue from here if the downloaded jar is correct
            try {
                if (!checkJar(vanillaJar, patchInfo.getOriginalHash())) {
                    System.err.println("Invalid original jar, quitting.");
                    System.exit(1);
                }
            } catch (final IOException e) {
                System.err.println("Error reading jar");
                e.printStackTrace();
                System.exit(1);
            }
        }

        if (paperJar.exists()) {
            if (!paperJar.delete()) {
                System.err.println("Error deleting invalid jar");
                System.exit(1);
            }
        }

        System.out.println("Patching original jar...");
        final byte[] vanillaJarBytes;
        final byte[] patch;
        try {
            vanillaJarBytes = getBytes(vanillaJar);
            patch = Utils.readFully(patchInfo.getPatchFile().openStream());
        } catch (final IOException e) {
            System.err.println("Error patching original jar");
            e.printStackTrace();
            System.exit(1);
            return;
        }

        // Patch the jar to create the final jar to run
        try (final FileOutputStream jarOutput = new FileOutputStream(paperJar)) {
            Patch.patch(vanillaJarBytes, patch, jarOutput);
        } catch (final CompressorException | InvalidHeaderException | IOException e) {
            System.err.println("Error patching origin jar");
            e.printStackTrace();
            System.exit(1);
        }
    }

    // Exit if user has set `paperclip.patchonly` system property to `true`
    if (Boolean.getBoolean("paperclip.patchonly")) {
        System.exit(0);
    }

    // Get main class info from jar
    final String main;
    try (final FileInputStream fs = new FileInputStream(paperJar);
            final JarInputStream js = new JarInputStream(fs)) {
        main = js.getManifest().getMainAttributes().getValue("Main-Class");
    } catch (final IOException e) {
        System.err.println("Error reading from patched jar");
        e.printStackTrace();
        System.exit(1);
        return;
    }

    // Run the jar
    Utils.invoke(main, args);
}

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