Examples with ClassReader org.apache.xbean.asm6.ClassReader used on opensource projects

Example 21 with ClassReader

use of org.apache.xbean.asm6.ClassReader in project tomee by apache.

the class DynamicSubclass method copyClassAnnotations.

private static void copyClassAnnotations(final Class<?> clazz, final ClassVisitor newClass) throws ProxyGenerationException {
    try {
        final ClassReader classReader = new ClassReader(readClassFile(clazz));
        final ClassVisitor visitor = new CopyClassAnnotations(newClass);
        classReader.accept(visitor, ClassReader.SKIP_CODE);
    } catch (final IOException e) {
        throw new ProxyGenerationException(e);
    }
}

Example 22 with ClassReader

use of org.apache.xbean.asm6.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 23 with ClassReader

use of org.apache.xbean.asm6.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 24 with ClassReader

use of org.apache.xbean.asm6.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();
}