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

Example 46 with JarEntry

use of java.util.jar.JarEntry in project spring-boot by spring-projects.

the class PropertiesMergingResourceTransformer method modifyOutputStream.

@Override
public void modifyOutputStream(JarOutputStream os) throws IOException {
    os.putNextEntry(new JarEntry(this.resource));
    this.data.store(os, "Merged by PropertiesMergingResourceTransformer");
    os.flush();
    this.data.clear();
}

Example 47 with JarEntry

use of java.util.jar.JarEntry in project spring-boot by spring-projects.

the class JarFileTests method verifySignedJar.

@Test
public void verifySignedJar() throws Exception {
    String classpath = System.getProperty("java.class.path");
    String[] entries = classpath.split(System.getProperty("path.separator"));
    String signedJarFile = null;
    for (String entry : entries) {
        if (entry.contains("bcprov")) {
            signedJarFile = entry;
        }
    }
    assertThat(signedJarFile).isNotNull();
    java.util.jar.JarFile jarFile = new JarFile(new File(signedJarFile));
    jarFile.getManifest();
    Enumeration<JarEntry> jarEntries = jarFile.entries();
    while (jarEntries.hasMoreElements()) {
        JarEntry jarEntry = jarEntries.nextElement();
        InputStream inputStream = jarFile.getInputStream(jarEntry);
        inputStream.skip(Long.MAX_VALUE);
        inputStream.close();
        if (!jarEntry.getName().startsWith("META-INF") && !jarEntry.isDirectory() && !jarEntry.getName().endsWith("TigerDigest.class")) {
            assertThat(jarEntry.getCertificates()).isNotNull();
        }
    }
    jarFile.close();
}

Example 48 with JarEntry

use of java.util.jar.JarEntry in project camel by apache.

the class FatJarPackageScanClassResolver method doLoadJarClassEntries.

protected List<String> doLoadJarClassEntries(InputStream stream, String urlPath, boolean inspectNestedJars, boolean closeStream) {
    List<String> entries = new ArrayList<String>();
    JarInputStream jarStream = null;
    try {
        jarStream = new JarInputStream(stream);
        JarEntry entry;
        while ((entry = jarStream.getNextJarEntry()) != null) {
            String name = entry.getName();
            if (name != null) {
                name = name.trim();
                if (!entry.isDirectory() && name.endsWith(".class")) {
                    entries.add(cleanupSpringbootClassName(name));
                } else if (inspectNestedJars && !entry.isDirectory() && isSpringbootNestedJar(name)) {
                    String nestedUrl = urlPath + "!/" + name;
                    log.trace("Inspecting nested jar: {}", nestedUrl);
                    List<String> nestedEntries = doLoadJarClassEntries(jarStream, nestedUrl, false, false);
                    entries.addAll(nestedEntries);
                }
            }
        }
    } catch (IOException ioe) {
        log.warn("Cannot search jar file '" + urlPath + " due to an IOException: " + ioe.getMessage(), ioe);
    } finally {
        if (closeStream) {
            // stream is left open when scanning nested jars, otherwise the fat jar stream gets closed
            IOHelper.close(jarStream, urlPath, log);
        }
    }
    return entries;
}

Example 49 with JarEntry

use of java.util.jar.JarEntry in project flink by apache.

the class JarFileCreator method createJarFile.

/**
	 * Creates a jar file which contains the previously added class. The content of the jar file is written to
	 * <code>outputFile</code> which has been provided to the constructor. If <code>outputFile</code> already exists, it
	 * is overwritten by this operation.
	 * 
	 * @throws IOException
	 *         thrown if an error occurs while writing to the output file
	 */
public synchronized void createJarFile() throws IOException {
    //Retrieve dependencies automatically
    addDependencies();
    // Temporary buffer for the stream copy
    final byte[] buf = new byte[128];
    // Check if output file is valid
    if (this.outputFile == null) {
        throw new IOException("Output file is null");
    }
    // If output file already exists, delete it
    if (this.outputFile.exists()) {
        this.outputFile.delete();
    }
    try (JarOutputStream jos = new JarOutputStream(new FileOutputStream(this.outputFile), new Manifest())) {
        final Iterator<Class<?>> it = this.classSet.iterator();
        while (it.hasNext()) {
            final Class<?> clazz = it.next();
            final String entry = clazz.getName().replace('.', '/') + CLASS_EXTENSION;
            jos.putNextEntry(new JarEntry(entry));
            String name = clazz.getName();
            int n = name.lastIndexOf('.');
            String className = null;
            if (n > -1) {
                className = name.substring(n + 1, name.length());
            }
            //Using the part after last dot instead of class.getSimpleName() could resolve the problem of inner class.
            final InputStream classInputStream = clazz.getResourceAsStream(className + CLASS_EXTENSION);
            int num = classInputStream.read(buf);
            while (num != -1) {
                jos.write(buf, 0, num);
                num = classInputStream.read(buf);
            }
            classInputStream.close();
            jos.closeEntry();
        }
    }
}

Example 50 with JarEntry

use of java.util.jar.JarEntry in project camel by apache.

the class DefaultPackageScanClassResolver method doLoadJarClassEntries.

/**
     * Loads all the class entries from the JAR.
     *
     * @param stream  the inputstream of the jar file to be examined for classes
     * @param urlPath the url of the jar file to be examined for classes
     * @return all the .class entries from the JAR
     */
protected List<String> doLoadJarClassEntries(InputStream stream, String urlPath) {
    List<String> entries = new ArrayList<String>();
    JarInputStream jarStream = null;
    try {
        jarStream = new JarInputStream(stream);
        JarEntry entry;
        while ((entry = jarStream.getNextJarEntry()) != null) {
            String name = entry.getName();
            if (name != null) {
                name = name.trim();
                if (!entry.isDirectory() && name.endsWith(".class")) {
                    entries.add(name);
                }
            }
        }
    } catch (IOException ioe) {
        log.warn("Cannot search jar file '" + urlPath + " due to an IOException: " + ioe.getMessage(), ioe);
    } finally {
        IOHelper.close(jarStream, urlPath, log);
    }
    return entries;
}