Example usage for java.lang Class getModifiers

Introduction

In this page you can find the example usage for java.lang Class getModifiers.

Prototype

@HotSpotIntrinsicCandidate
public native int getModifiers();

Source Link

Document

Returns the Java language modifiers for this class or interface, encoded in an integer.

Usage

From source file:adalid.core.XS1.java

static Class<?> getConcreteSuperclass(Class<?> c) {
    if (c == null) {
        return null;
    }//from  w w  w  . j a va 2s . co m
    Class<?> s = c.getSuperclass();
    if (s == null) {
        return null;
    }
    if (c.isAnonymousClass()) {
        return getConcreteSuperclass(s);
    }
    int modifiers = s.getModifiers();
    if (Modifier.isAbstract(modifiers)) {
        return null;
    }
    if (s.getSimpleName().equals(c.getSimpleName())) {
        return getConcreteSuperclass(s);
    }
    return s;
}

From source file:org.zilverline.util.ClassFinder.java

/**
 * Finds all classes that extend the class, searching in the listAllClasses ArrayList.
 * /* w  ww.  ja v  a  2  s.co  m*/
 * @param theClass the parent class
 * @param listAllClasses the collection of classes to search in
 * @param listSubClasses the collection of discovered subclasses
 * @param innerClasses indicates whether inners classes should be included in the search
 */
private static void findAllSubclassesOneClass(Class theClass, List listAllClasses, List listSubClasses,
        boolean innerClasses) {
    Iterator iterClasses = null;
    String strClassName = null;
    Class c = null;
    boolean bIsSubclass = false;
    iterClasses = listAllClasses.iterator();
    while (iterClasses.hasNext()) {
        strClassName = (String) iterClasses.next();
        // only check classes if they are not inner classes
        // or we intend to check for inner classes
        if ((strClassName.indexOf("$") == -1) || innerClasses) {
            // might throw an exception, assume this is ignorable
            try {
                c = Class.forName(strClassName, false, Thread.currentThread().getContextClassLoader());

                if (!c.isInterface() && !Modifier.isAbstract(c.getModifiers())) {
                    bIsSubclass = theClass.isAssignableFrom(c);
                } else {
                    bIsSubclass = false;
                }
                if (bIsSubclass) {
                    listSubClasses.add(strClassName);
                }
            } catch (Throwable ignored) {
            }
        }
    }
}

From source file:stormy.pythian.service.description.ClassRepository.java

public Set<Class<? extends Component>> getComponentClasses() {
    return filter(reflections.getSubTypesOf(Component.class), new Predicate<Class<?>>() {
        public boolean apply(Class<?> input) {
            return !Modifier.isAbstract(input.getModifiers());
        }/*from  w  w  w .j a  v  a2 s.  c  om*/
    });
}

From source file:stormy.pythian.service.description.ClassRepository.java

public Set<Class<? extends PythianState>> getStateClasses() {
    return filter(reflections.getSubTypesOf(PythianState.class), new Predicate<Class<?>>() {
        public boolean apply(Class<?> input) {
            return !Modifier.isAbstract(input.getModifiers());
        }/*from   w ww  . ja  va  2  s.  co m*/
    });
}

From source file:MyJavaP.java

/**
 * Format the fields and methods of one class, given its name.
 *//*from  w  w w .jav a  2  s .  co m*/
protected void doClass(String className) {

    try {
        Class c = Class.forName(className);
        System.out.println(Modifier.toString(c.getModifiers()) + ' ' + c + " {");

        int mods;
        Field fields[] = c.getDeclaredFields();
        for (int i = 0; i < fields.length; i++) {
            if (!Modifier.isPrivate(fields[i].getModifiers())
                    && !Modifier.isProtected(fields[i].getModifiers()))
                System.out.println("\t" + fields[i]);
        }
        Constructor[] constructors = c.getConstructors();
        for (int j = 0; j < constructors.length; j++) {
            Constructor constructor = constructors[j];
            System.out.println("\t" + constructor);

        }
        Method methods[] = c.getDeclaredMethods();
        for (int i = 0; i < methods.length; i++) {
            if (!Modifier.isPrivate(methods[i].getModifiers())
                    && !Modifier.isProtected(methods[i].getModifiers()))
                System.out.println("\t" + methods[i]);
        }
        System.out.println("}");
    } catch (ClassNotFoundException e) {
        System.err.println("Error: Class " + className + " not found!");
    } catch (Exception e) {
        System.err.println(e);
    }
}

From source file:org.apache.camel.blueprint.PackageScanRouteBuilderFinder.java

/**
 * Returns true if the object is non-abstract and supports a zero argument constructor
 *//* w  w  w  . ja v  a  2s . c o  m*/
protected boolean isValidClass(Class type) {
    if (!Modifier.isAbstract(type.getModifiers()) && !type.isInterface()) {
        return true;
    }
    return false;
}

From source file:org.springframework.jdbc.core.JdbcOperationsUtils.java

public static final void validatePropertyValue(String id, String propName, Object propValue,
        ConversionService converter) {/*from  www.  ja v  a 2 s  . c om*/
    if (StringUtils.isEmpty(propName)) {
        throw new IllegalStateException("validatePropertyValue(" + id + ") no property name");
    }

    if (propValue == null) {
        throw new IllegalStateException("validatePropertyValue(" + id + ")[" + propName + "] no value");
    }

    if (!(propValue instanceof Serializable)) {
        throw new IllegalStateException("validatePropertyValue(" + id + ")[" + propName + "] not serializable");
    }

    Class<?> propType = resolveEffectivePropertyType(propValue);
    if (Date.class.isAssignableFrom(propType) || Calendar.class.isAssignableFrom(propType)) {
        return; // Date(s) have a special handling
    }

    if (propType == Class.class) {
        Class<?> valueClass = (Class<?>) propValue;
        if (Proxy.isProxyClass(valueClass)) {
            throw new IllegalStateException("validatePropertyValue(" + id + ")[" + propName + "] proxies N/A");
        }

        if (valueClass.isAnonymousClass()) {
            throw new IllegalStateException("validatePropertyValue(" + id + ")[" + propName + "]"
                    + " anonymous classes N/A: " + valueClass.getName());
        }

        if (valueClass.isLocalClass()) {
            throw new IllegalStateException("validatePropertyValue(" + id + ")[" + propName + "]"
                    + " local classes N/A: " + valueClass.getName());
        }

        if (valueClass.isArray()) {
            throw new IllegalStateException("validatePropertyValue(" + id + ")[" + propName + "]"
                    + " array classes N/A: " + valueClass.getName());
        }

        int mods = valueClass.getModifiers();
        if (!Modifier.isPublic(mods)) {
            throw new IllegalStateException("validatePropertyValue(" + id + ")[" + propName + "]"
                    + " non-public classes N/A: " + valueClass.getName());
        }
    }

    if (!converter.canConvert(String.class, propType)) {
        throw new IllegalStateException("validatePropertyValue(" + id + ")[" + propName + "]"
                + " cannot convert a string to a " + propType.getSimpleName());
    }
}

From source file:org.pentaho.reporting.engine.classic.core.metadata.ExpressionRegistry.java

public void registerExpression(final ExpressionMetaData metaData) {
    if (metaData == null) {
        throw new NullPointerException();
    }//  w w  w .jav a  2 s .  c o m
    final Class type = metaData.getExpressionType();
    final int modifiers = type.getModifiers();
    if (Modifier.isAbstract(modifiers) || Modifier.isInterface(modifiers)) {
        throw new IllegalArgumentException("Expression-Implementation cannot be abstract or an interface.");
    }
    this.backend.put(type.getName(), metaData);
}

From source file:org.pentaho.reporting.engine.classic.core.metadata.ReportPreProcessorRegistry.java

public void registerReportPreProcessor(final ReportPreProcessorMetaData metaData) {
    if (metaData == null) {
        throw new NullPointerException();
    }//w w  w .j  a  va2s .  c om
    final Class type = metaData.getPreProcessorType();
    final int modifiers = type.getModifiers();
    if (Modifier.isAbstract(modifiers) || Modifier.isInterface(modifiers)) {
        throw new IllegalArgumentException(
                "report-preprocessor-Implementation cannot be abstract or an interface.");
    }
    this.backend.put(type.getName(), metaData);
}

From source file:cat.albirar.framework.proxy.ProxyFactory.java

/**
 * Create a proxy for the indicated type.
 * @param handler The handler/*from w  w  w  .  ja v  a  2s  . c  om*/
 * @param type The type, should to be a concrete class type
 * @return The proxy
 */
@SuppressWarnings("unchecked")
private <T> T newProxyForConcreteClass(org.springframework.cglib.proxy.Callback handler, Class<T> type) {
    Enhancer enhancer;

    Assert.isTrue(!Modifier.isAbstract(type.getModifiers()), "The type should to be a concrete class");

    enhancer = new Enhancer();
    enhancer.setSuperclass(type);
    enhancer.setClassLoader(type.getClassLoader());
    enhancer.setCallback(handler);
    return (T) enhancer.create();
}