Examples with JarInputStream java.util.jar.JarInputStream used on opensource projects

Example 6 with JarInputStream

use of java.util.jar.JarInputStream in project jetty.project by eclipse.

the class JarResource method copyTo.

/* ------------------------------------------------------------ */
@Override
public void copyTo(File directory) throws IOException {
    if (!exists())
        return;
    if (LOG.isDebugEnabled())
        LOG.debug("Extract " + this + " to " + directory);
    String urlString = this.getURL().toExternalForm().trim();
    int endOfJarUrl = urlString.indexOf("!/");
    int startOfJarUrl = (endOfJarUrl >= 0 ? 4 : 0);
    if (endOfJarUrl < 0)
        throw new IOException("Not a valid jar url: " + urlString);
    URL jarFileURL = new URL(urlString.substring(startOfJarUrl, endOfJarUrl));
    String subEntryName = (endOfJarUrl + 2 < urlString.length() ? urlString.substring(endOfJarUrl + 2) : null);
    boolean subEntryIsDir = (subEntryName != null && subEntryName.endsWith("/") ? true : false);
    if (LOG.isDebugEnabled())
        LOG.debug("Extracting entry = " + subEntryName + " from jar " + jarFileURL);
    URLConnection c = jarFileURL.openConnection();
    c.setUseCaches(false);
    try (InputStream is = c.getInputStream();
        JarInputStream jin = new JarInputStream(is)) {
        JarEntry entry;
        boolean shouldExtract;
        while ((entry = jin.getNextJarEntry()) != null) {
            String entryName = entry.getName();
            if ((subEntryName != null) && (entryName.startsWith(subEntryName))) {
                // is the subentry really a dir?
                if (!subEntryIsDir && subEntryName.length() + 1 == entryName.length() && entryName.endsWith("/"))
                    subEntryIsDir = true;
                //extract it.
                if (subEntryIsDir) {
                    //if it is a subdirectory we are looking for, then we
                    //are looking to extract its contents into the target
                    //directory. Remove the name of the subdirectory so
                    //that we don't wind up creating it too.
                    entryName = entryName.substring(subEntryName.length());
                    if (!entryName.equals("")) {
                        //the entry is
                        shouldExtract = true;
                    } else
                        shouldExtract = false;
                } else
                    shouldExtract = true;
            } else if ((subEntryName != null) && (!entryName.startsWith(subEntryName))) {
                //there is a particular entry we are looking for, and this one
                //isn't it
                shouldExtract = false;
            } else {
                //we are extracting everything
                shouldExtract = true;
            }
            if (!shouldExtract) {
                if (LOG.isDebugEnabled())
                    LOG.debug("Skipping entry: " + entryName);
                continue;
            }
            String dotCheck = entryName.replace('\\', '/');
            dotCheck = URIUtil.canonicalPath(dotCheck);
            if (dotCheck == null) {
                if (LOG.isDebugEnabled())
                    LOG.debug("Invalid entry: " + entryName);
                continue;
            }
            File file = new File(directory, entryName);
            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
                try (OutputStream fout = new FileOutputStream(file)) {
                    IO.copy(jin, fout);
                }
                // touch the file.
                if (entry.getTime() >= 0)
                    file.setLastModified(entry.getTime());
            }
        }
        if ((subEntryName == null) || (subEntryName != null && subEntryName.equalsIgnoreCase("META-INF/MANIFEST.MF"))) {
            Manifest manifest = jin.getManifest();
            if (manifest != null) {
                File metaInf = new File(directory, "META-INF");
                metaInf.mkdir();
                File f = new File(metaInf, "MANIFEST.MF");
                try (OutputStream fout = new FileOutputStream(f)) {
                    manifest.write(fout);
                }
            }
        }
    }
}

Example 7 with JarInputStream

use of java.util.jar.JarInputStream in project jetty.project by eclipse.

the class SelectiveJarResource method copyTo.

/** 
     * @see org.eclipse.jetty.util.resource.JarResource#copyTo(java.io.File)
     */
@Override
public void copyTo(File directory) throws IOException {
    if (_includes == null)
        _includes = DEFAULT_INCLUDES;
    if (_excludes == null)
        _excludes = DEFAULT_EXCLUDES;
    //parts of the jar file are copied
    if (!exists())
        return;
    String urlString = this.getURL().toExternalForm().trim();
    int endOfJarUrl = urlString.indexOf("!/");
    int startOfJarUrl = (endOfJarUrl >= 0 ? 4 : 0);
    if (endOfJarUrl < 0)
        throw new IOException("Not a valid jar url: " + urlString);
    URL jarFileURL = new URL(urlString.substring(startOfJarUrl, endOfJarUrl));
    try (InputStream is = jarFileURL.openConnection().getInputStream();
        JarInputStream jin = new JarInputStream(is)) {
        JarEntry entry;
        while ((entry = jin.getNextJarEntry()) != null) {
            String entryName = entry.getName();
            LOG.debug("Looking at " + entryName);
            String dotCheck = entryName.replace('\\', '/');
            dotCheck = URIUtil.canonicalPath(dotCheck);
            if (dotCheck == null) {
                LOG.info("Invalid entry: " + entryName);
                continue;
            }
            File file = new File(directory, entryName);
            if (entry.isDirectory()) {
                if (isIncluded(entryName)) {
                    if (!isExcluded(entryName)) {
                        // Make directory
                        if (!file.exists())
                            file.mkdirs();
                    } else
                        LOG.debug("{} dir is excluded", entryName);
                } else
                    LOG.debug("{} dir is NOT included", entryName);
            } else {
                //entry is a file, is it included?
                if (isIncluded(entryName)) {
                    if (!isExcluded(entryName)) {
                        // make directory (some jars don't list dirs)
                        File dir = new File(file.getParent());
                        if (!dir.exists())
                            dir.mkdirs();
                        // Make file
                        try (OutputStream fout = new FileOutputStream(file)) {
                            IO.copy(jin, fout);
                        }
                        // touch the file.
                        if (entry.getTime() >= 0)
                            file.setLastModified(entry.getTime());
                    } else
                        LOG.debug("{} file is excluded", entryName);
                } else
                    LOG.debug("{} file is NOT included", entryName);
            }
        }
        Manifest manifest = jin.getManifest();
        if (manifest != null) {
            if (isIncluded("META-INF") && !isExcluded("META-INF")) {
                File metaInf = new File(directory, "META-INF");
                metaInf.mkdir();
                File f = new File(metaInf, "MANIFEST.MF");
                try (OutputStream fout = new FileOutputStream(f)) {
                    manifest.write(fout);
                }
            }
        }
    }
}

Example 8 with JarInputStream

use of java.util.jar.JarInputStream in project jetty.project by eclipse.

the class WarURLConnection method substitueManifest.

/**
     * Use PipedOuputStream and PipedInputStream to do the transformation without making
     * a new temporary file ust to replace the manifest.
     * @param newmanifest The new manifest
     * @param rawIn The file input stream or equivalent. not the jar input stream.
     */
public static InputStream substitueManifest(final Manifest newmanifest, final InputStream rawIn) throws IOException {
    final PipedOutputStream pOut = new PipedOutputStream();
    PipedInputStream pIn = new PipedInputStream(pOut);
    Runnable run = new Runnable() {

        public void run() {
            JarInputStream jin = null;
            JarOutputStream dest = null;
            try {
                jin = new JarInputStream(rawIn, false);
                dest = new JarOutputStream(pOut, newmanifest);
                ZipEntry next = jin.getNextEntry();
                while (next != null) {
                    if (next.getName().equalsIgnoreCase(JarFile.MANIFEST_NAME)) {
                        continue;
                    }
                    dest.putNextEntry(next);
                    if (next.getSize() > 0) {
                        IO.copy(jin, dest, next.getSize());
                    }
                    next = jin.getNextJarEntry();
                }
            } catch (IOException ioe) {
                ioe.printStackTrace();
            } finally {
                if (dest != null)
                    IO.close(dest);
                if (jin != null)
                    IO.close(jin);
                IO.close(pOut);
            }
        }
    };
    Thread th = new Thread(run);
    th.start();
    return pIn;
}

Example 9 with JarInputStream

use of java.util.jar.JarInputStream in project jetty.project by eclipse.

the class JarScanner method matched.

public void matched(URI uri) throws Exception {
    LOG.debug("Search of {}", uri);
    if (uri.toString().toLowerCase(Locale.ENGLISH).endsWith(".jar")) {
        InputStream in = Resource.newResource(uri).getInputStream();
        if (in == null)
            return;
        JarInputStream jar_in = new JarInputStream(in);
        try {
            JarEntry entry = jar_in.getNextJarEntry();
            while (entry != null) {
                processEntry(uri, entry);
                entry = jar_in.getNextJarEntry();
            }
        } finally {
            jar_in.close();
        }
    }
}

Example 10 with JarInputStream

use of java.util.jar.JarInputStream in project buck by facebook.

the class HashingDeterministicJarWriterTest method entriesAreWrittenAsTheyAreEncounteredWithManifestLast.

@Test
public void entriesAreWrittenAsTheyAreEncounteredWithManifestLast() throws IOException {
    writer.writeEntry("Z", new ByteArrayInputStream("Z's contents".getBytes(StandardCharsets.UTF_8)));
    writer.writeEntry("A", new ByteArrayInputStream("A's contents".getBytes(StandardCharsets.UTF_8)));
    writer.close();
    try (JarInputStream jar = new JarInputStream(new ByteArrayInputStream(out.toByteArray()))) {
        JarEntry entry;
        entry = jar.getNextJarEntry();
        assertEquals("Z", entry.getName());
        entry = jar.getNextJarEntry();
        assertEquals("A", entry.getName());
        entry = jar.getNextJarEntry();
        assertEquals(JarFile.MANIFEST_NAME, entry.getName());
    }
}