Examples with net.sf.cglib.asm.$ClassReader net.sf.cglib.asm.$ClassReader used on opensource projects

Example 21 with net.sf.cglib.asm.$ClassReader

use of net.sf.cglib.asm.$ClassReader in project tomee by apache.

the class DependenceValidationTest method file.

private static void file(final File file, final DependencyVisitor dependencyVisitor) {
    try {
        final InputStream in = IO.read(file);
        try {
            final ClassReader classReader = new ClassReader(in);
            classReader.accept(dependencyVisitor, ClassWriter.COMPUTE_MAXS);
        } finally {
            IO.close(in);
        }
    } catch (final IOException e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 22 with net.sf.cglib.asm.$ClassReader

use of net.sf.cglib.asm.$ClassReader in project component-runtime by Talend.

the class ProxyGenerator method findJavaVersion.

private int findJavaVersion(final Class<?> from) {
    final String resource = from.getName().replace('.', '/') + ".class";
    try (final InputStream stream = from.getClassLoader().getResourceAsStream(resource)) {
        if (stream == null) {
            return javaVersion;
        }
        final ClassReader reader = new ClassReader(stream);
        final VersionVisitor visitor = new VersionVisitor();
        reader.accept(visitor, SKIP_DEBUG);
        if (visitor.version != 0) {
            return visitor.version;
        }
    } catch (final Exception e) {
    // no-op
    }
    // version
    return javaVersion;
}

Example 23 with net.sf.cglib.asm.$ClassReader

use of net.sf.cglib.asm.$ClassReader in project component-runtime by Talend.

the class BeamIOTransformer method rewrite.

private byte[] rewrite(final ConfigurableClassLoader loader, final String className, final byte[] classfileBuffer, final ClassLoader tmpLoader) {
    final String plugin = loader.getId();
    final ClassReader reader = new ClassReader(classfileBuffer);
    final ComponentClassWriter writer = new ComponentClassWriter(className.replace('/', '.'), tmpLoader, reader, ClassWriter.COMPUTE_FRAMES);
    final ComponentClassVisitor visitor = new ComponentClassVisitor(writer, plugin);
    reader.accept(visitor, ClassReader.SKIP_FRAMES);
    return writer.toByteArray();
}

Example 24 with net.sf.cglib.asm.$ClassReader

use of net.sf.cglib.asm.$ClassReader in project apex-core by apache.

the class FastClassIndexReaderTest method testPerformance.

@Test
public void testPerformance() throws Exception {
    String javahome = System.getProperty("java.home");
    String jdkJar = javahome + "/lib/rt.jar";
    JarFile jar = new JarFile(jdkJar);
    java.util.Enumeration<JarEntry> entriesEnum = jar.entries();
    long time = System.currentTimeMillis();
    while (entriesEnum.hasMoreElements()) {
        JarEntry jarEntry = entriesEnum.nextElement();
        if (jarEntry.getName().endsWith("class")) {
            InputStream ins = jar.getInputStream(jarEntry);
            // FastClassSignatureReader fastClassSignatureReader = new FastClassSignatureReader(ins);
            ClassReader classReader = new ClassReader(ins);
            ClassNodeType classN = new ClassNodeType();
            classReader.accept(classN, ClassReader.SKIP_CODE);
            CompactClassNode ccn = CompactUtil.compactClassNode(classN);
            ins.close();
        }
    }
    LOG.info("The time to scan jdk using ASM ClassReader {} ", System.currentTimeMillis() - time);
    jar.close();
    jar = new JarFile(jdkJar);
    entriesEnum = jar.entries();
    time = System.currentTimeMillis();
    while (entriesEnum.hasMoreElements()) {
        JarEntry jarEntry = entriesEnum.nextElement();
        if (jarEntry.getName().endsWith("class")) {
            InputStream ins = jar.getInputStream(jarEntry);
            FastClassIndexReader fastClassIndexReader = new FastClassIndexReader(ins);
            ins.close();
        }
    }
    jar.close();
    LOG.info("The time to scan jdk using FastClassIndexReader {} ", System.currentTimeMillis() - time);
}