Example usage for java.lang.reflect Modifier isInterface

Introduction

In this page you can find the example usage for java.lang.reflect Modifier isInterface.

Prototype

public static boolean isInterface(int mod) 

Source Link

Document

Return true if the integer argument includes the interface modifier, false otherwise.

Usage

From source file:com.cuubez.visualizer.resource.ResourceMetaDataScanner.java

public static boolean isResource(Class<?> clazz) {

    if (Modifier.isInterface(clazz.getModifiers()) || Modifier.isAbstract(clazz.getModifiers())) {
        return false;
    }/*w w w . jav a  2  s  .c o m*/

    if (clazz.getAnnotation(Path.class) != null && clazz.getAnnotation(Group.class) != null) {
        return true;
    }

    Class<?> declaringClass = clazz;

    while (!declaringClass.equals(Object.class)) {
        // try a superclass
        Class<?> superclass = declaringClass.getSuperclass();
        if (superclass.getAnnotation(Path.class) != null && clazz.getAnnotation(Group.class) != null) {
            return true;
        }

        // try interfaces
        Class<?>[] interfaces = declaringClass.getInterfaces();
        for (Class<?> interfaceClass : interfaces) {
            if (interfaceClass.getAnnotation(Path.class) != null && clazz.getAnnotation(Group.class) != null) {
                return true;
            }
        }
        declaringClass = declaringClass.getSuperclass();
    }
    return false;
}

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From source file:org.spongepowered.common.util.ReflectionUtil.java

public static <T> T createInstance(final Class<T> objectClass, Object... args) {
    checkArgument(!Modifier.isAbstract(objectClass.getModifiers()),
            "Cannot construct an instance of an abstract class!");
    checkArgument(!Modifier.isInterface(objectClass.getModifiers()),
            "Cannot construct an instance of an interface!");
    if (args == null) {
        args = new Object[] { null };
    }/*from ww w.j a  va2 s . c  o m*/
    final Constructor<T> ctor = findConstructor(objectClass, args);
    try {
        return ctor.newInstance(args);
    } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
        SpongeImpl.getLogger().error("Couldn't find an appropriate constructor for "
                + objectClass.getCanonicalName() + "with the args: " + Arrays.toString(args), e);
    }
    throw new IllegalArgumentException("Couldn't find an appropriate constructor for "
            + objectClass.getCanonicalName() + "the args: " + Arrays.toString(args));
}

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From source file:org.lanternpowered.server.util.ReflectionHelper.java

public static <T> T createInstance(final Class<T> objectClass, @Nullable Object... args) {
    checkArgument(!Modifier.isAbstract(objectClass.getModifiers()),
            "Cannot construct an instance of an abstract class!");
    checkArgument(!Modifier.isInterface(objectClass.getModifiers()),
            "Cannot construct an instance of an interface!");
    if (args == null) {
        args = new Object[] { null };
    }/*from   w  w w . ja va2s  .com*/
    final Constructor<T> ctor = findConstructor(objectClass, args);
    try {
        return ctor.newInstance(args);
    } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
        Lantern.getLogger().error("Couldn't find an appropriate constructor for "
                + objectClass.getCanonicalName() + "with the args: " + Arrays.toString(args), e);
    }
    throw new IllegalArgumentException("Couldn't find an appropriate constructor for "
            + objectClass.getCanonicalName() + "the args: " + Arrays.toString(args));
}

---

From source file:ca.uhn.fhir.rest.method.HistoryMethodBinding.java

public HistoryMethodBinding(Method theMethod, FhirContext theContext, Object theProvider) {
    super(toReturnType(theMethod, theProvider), theMethod, theContext, theProvider);

    myIdParamIndex = MethodUtil.findIdParameterIndex(theMethod, getContext());

    History historyAnnotation = theMethod.getAnnotation(History.class);
    Class<? extends IBaseResource> type = historyAnnotation.type();
    if (Modifier.isInterface(type.getModifiers())) {
        if (theProvider instanceof IResourceProvider) {
            type = ((IResourceProvider) theProvider).getResourceType();
            if (myIdParamIndex != null) {
                myResourceOperationType = RestOperationTypeEnum.HISTORY_INSTANCE;
            } else {
                myResourceOperationType = RestOperationTypeEnum.HISTORY_TYPE;
            }/*from w  w w .  java 2s. com*/
        } else {
            myResourceOperationType = RestOperationTypeEnum.HISTORY_SYSTEM;
        }
    } else {
        if (myIdParamIndex != null) {
            myResourceOperationType = RestOperationTypeEnum.HISTORY_INSTANCE;
        } else {
            myResourceOperationType = RestOperationTypeEnum.HISTORY_TYPE;
        }
    }

    if (type != IResource.class) {
        myResourceName = theContext.getResourceDefinition(type).getName();
    } else {
        myResourceName = null;
    }

}

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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.ja  va  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:main.server.DemoPageProvider.java

public DemoPageProvider(ServletContext sc) {
    pageDir = new File(System.getProperty("user.dir", ""), "war/WEB-INF/pages");
    if (!pageDir.isDirectory()) {
        pageDir = new File(sc.getRealPath("WEB-INF/pages"));
        useSession = true;//www.  jav  a2  s  .  c  o  m
        log.info("Saving pages to session: " + pageDir);
    } else {
        log.info("Loading and saving pages from " + pageDir);
    }

    // discover our classes (in a real app they would be Spring beans or
    // something similar)
    ClassFinder cf = new ClassFinder(sc, "main");

    // find all PortletFactory's and alias them so fully qualified class
    // names don't end up in the XML
    for (Class cls : cf.findClasses("$Factory", PortletFactory.class)) {
        log.info("Portlet factory: " + cls.getName());
        xmlIO.alias(cls);
    }

    // create an instance of each DataProvider
    for (Class cls : cf.findClasses("DataProvider", WidgetDataProvider.class)) {
        int mod = cls.getModifiers();
        if (!Modifier.isAbstract(mod) && !Modifier.isInterface(mod)) {
            log.info("Data provider: " + cls.getName());
            try {
                add((WidgetDataProvider) cls.newInstance());
            } catch (Exception e) {
                log.error(e, e);
            }
        }
    }
}

---

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

public void registerReportPreProcessor(final ReportPreProcessorMetaData metaData) {
    if (metaData == null) {
        throw new NullPointerException();
    }/*from  w  w w  .  j  a  v  a 2s .  co  m*/
    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:org.opoo.util.ClassUtils.java

public static boolean isAbstractClass(Class clazz) {
    int modifier = clazz.getModifiers();
    return Modifier.isAbstract(modifier) || Modifier.isInterface(modifier);
}

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From source file:org.topazproject.otm.mapping.java.ClassBinder.java

/**
 * Creates a new ClassBinder object./*from w w  w.j a v  a2 s .c  om*/
 *
 * @param clazz the java class to bind this entity to
 * @param suppressAlias to dis-allow registration of the class name as an alias. 
 *                      This allows binding the same class to multiple entities.
 */
public ClassBinder(Class<T> clazz, boolean suppressAlias) {
    this.clazz = clazz;
    this.suppressAlias = suppressAlias;

    int mod = clazz.getModifiers();
    instantiable = !Modifier.isAbstract(mod) && !Modifier.isInterface(mod) && Modifier.isPublic(mod);
}

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From source file:com.retroduction.carma.resolvers.util.TestCaseInstantiationVerifier.java

public HashSet<String> determineUnloadableTestClassNames(Set<String> fqTestClassNames) {

    HashSet<String> unloadableClasses = new HashSet<String>();

    for (String testClassName : fqTestClassNames) {

        try {//w w  w  .j a  v a  2  s  .  co  m

            Class<?> testClass = this.getLoader().loadClass(testClassName);

            if (Modifier.isAbstract(testClass.getModifiers())
                    || Modifier.isInterface(testClass.getModifiers())) {
                this.log.info("Skipping abstract class or interface in test set:" + testClassName);
                unloadableClasses.add(testClassName);
                continue;
            }

        } catch (Exception e) {
            this.log.warn("Skipping class in test set due to class loading problem:" + testClassName);
            this.log.debug(e);
            unloadableClasses.add(testClassName);
            continue;
        } catch (NoClassDefFoundError e) {
            this.log.warn("Skipping class in test set due to class loading problem:" + testClassName);
            this.log.debug(e);
            unloadableClasses.add(testClassName);
            continue;
        }

    }

    return unloadableClasses;
}

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