Examples with ClassFile javassist.bytecode.ClassFile used on opensource projects

Example 26 with ClassFile

use of javassist.bytecode.ClassFile in project powermock by powermock.

the class ClassFinalModifierMockTransformer method transform.

@Override
public CtClass transform(final CtClass clazz) {
    if (clazz.isInterface()) {
        return clazz;
    }
    if (getStrategy() != INST_REDEFINE) {
        if (Modifier.isFinal(clazz.getModifiers())) {
            clazz.setModifiers(clazz.getModifiers() ^ Modifier.FINAL);
        }
        ClassFile classFile = clazz.getClassFile2();
        AttributeInfo attribute = classFile.getAttribute(InnerClassesAttribute.tag);
        if (attribute != null && attribute instanceof InnerClassesAttribute) {
            InnerClassesAttribute ica = (InnerClassesAttribute) attribute;
            String name = classFile.getName();
            int n = ica.tableLength();
            for (int i = 0; i < n; ++i) {
                if (name.equals(ica.innerClass(i))) {
                    int accessFlags = ica.accessFlags(i);
                    if (Modifier.isFinal(accessFlags)) {
                        ica.setAccessFlags(i, accessFlags ^ Modifier.FINAL);
                    }
                }
            }
        }
    }
    return clazz;
}

Example 27 with ClassFile

use of javassist.bytecode.ClassFile in project reflections by ronmamo.

the class Reflections method scan.

protected Map<String, Map<String, Set<String>>> scan() {
    long start = System.currentTimeMillis();
    Map<String, Set<Map.Entry<String, String>>> collect = configuration.getScanners().stream().map(Scanner::index).distinct().collect(Collectors.toMap(s -> s, s -> Collections.synchronizedSet(new HashSet<>())));
    Set<URL> urls = configuration.getUrls();
    (configuration.isParallel() ? urls.stream().parallel() : urls.stream()).forEach(url -> {
        Vfs.Dir dir = null;
        try {
            dir = Vfs.fromURL(url);
            for (Vfs.File file : dir.getFiles()) {
                if (doFilter(file, configuration.getInputsFilter())) {
                    ClassFile classFile = null;
                    for (Scanner scanner : configuration.getScanners()) {
                        try {
                            if (doFilter(file, scanner::acceptsInput)) {
                                List<Map.Entry<String, String>> entries = scanner.scan(file);
                                if (entries == null) {
                                    if (classFile == null)
                                        classFile = getClassFile(file);
                                    entries = scanner.scan(classFile);
                                }
                                if (entries != null)
                                    collect.get(scanner.index()).addAll(entries);
                            }
                        } catch (Exception e) {
                            if (log != null)
                                log.trace("could not scan file {} with scanner {}", file.getRelativePath(), scanner.getClass().getSimpleName(), e);
                        }
                    }
                }
            }
        } catch (Exception e) {
            if (log != null)
                log.warn("could not create Vfs.Dir from url. ignoring the exception and continuing", e);
        } finally {
            if (dir != null)
                dir.close();
        }
    });
    // merge
    Map<String, Map<String, Set<String>>> storeMap = collect.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, entry -> entry.getValue().stream().filter(e -> e.getKey() != null).collect(Collectors.groupingBy(Map.Entry::getKey, HashMap::new, Collectors.mapping(Map.Entry::getValue, Collectors.toSet())))));
    if (log != null) {
        int keys = 0, values = 0;
        for (Map<String, Set<String>> map : storeMap.values()) {
            keys += map.size();
            values += map.values().stream().mapToLong(Set::size).sum();
        }
        log.info(format("Reflections took %d ms to scan %d urls, producing %d keys and %d values", System.currentTimeMillis() - start, urls.size(), keys, values));
    }
    return storeMap;
}

Example 28 with ClassFile

use of javassist.bytecode.ClassFile in project hibernate-orm by hibernate.

the class BulkAccessorFactory method make.

private ClassFile make(Method[] getters, Method[] setters) throws CannotCompileException {
    String className = targetBean.getName();
    // set the name of bulk accessor.
    className = className + "_$$_bulkaccess_" + counter++;
    if (className.startsWith("java.")) {
        className = PACKAGE_NAME_PREFIX + className;
    }
    final ClassFile classfile = new ClassFile(false, className, BULKACESSOR_CLASS_NAME);
    classfile.setAccessFlags(AccessFlag.PUBLIC);
    addDefaultConstructor(classfile);
    addGetter(classfile, getters);
    addSetter(classfile, setters);
    return classfile;
}

Example 29 with ClassFile

use of javassist.bytecode.ClassFile in project powermock by powermock.

the class AbstractMainMockTransformer method removeFinalModifierFromClass.

protected void removeFinalModifierFromClass(final CtClass clazz) {
    if (strategy != INST_REDEFINE) {
        if (Modifier.isFinal(clazz.getModifiers())) {
            clazz.setModifiers(clazz.getModifiers() ^ Modifier.FINAL);
        }
        ClassFile classFile = clazz.getClassFile2();
        AttributeInfo attribute = classFile.getAttribute(InnerClassesAttribute.tag);
        if (attribute != null && attribute instanceof InnerClassesAttribute) {
            InnerClassesAttribute ica = (InnerClassesAttribute) attribute;
            String name = classFile.getName();
            int n = ica.tableLength();
            for (int i = 0; i < n; ++i) {
                if (name.equals(ica.innerClass(i))) {
                    int accessFlags = ica.accessFlags(i);
                    if (Modifier.isFinal(accessFlags)) {
                        ica.setAccessFlags(i, accessFlags ^ Modifier.FINAL);
                    }
                }
            }
        }
    }
}

Example 30 with ClassFile

use of javassist.bytecode.ClassFile in project ratpack by ratpack.

the class ClosureBackedHandler method describeTo.

@Override
public void describeTo(StringBuilder stringBuilder) {
    ClosureUtil.SourceInfo sourceInfo = ClosureUtil.getSourceInfo(invoker.getClosure());
    if (sourceInfo == null) {
        ClassPool pool = ClassPool.getDefault();
        try {
            CtClass ctClass = pool.get(invoker.getClosure().getClass().getName());
            CtMethod ctMethod = ctClass.getDeclaredMethod("doCall");
            int lineNumber = ctMethod.getMethodInfo().getLineNumber(0);
            ClassFile classFile = ctClass.getClassFile();
            String sourceFile = classFile.getSourceFile();
            if (lineNumber != -1 && sourceFile != null) {
                stringBuilder.append("closure at line ").append(lineNumber).append(" of ").append(sourceFile);
            } else {
                stringBuilder.append("closure ").append(invoker.getClosure().getClass().getName());
            }
        } catch (NotFoundException e) {
            stringBuilder.append(invoker.getClosure().getClass().getName());
        }
    } else {
        stringBuilder.append("closure at line ").append(sourceInfo.getLineNumber()).append(" of ").append(sourceInfo.getUri());
    }
}