Example usage for java.lang Class getInterfaces

Introduction

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

Prototype

public Class<?>[] getInterfaces() 

Source Link

Document

Returns the interfaces directly implemented by the class or interface represented by this object.

Usage

From source file:org.jnode.driver.Device.java

/**
 * Add an API implementation to the list of API's implemented by this device.
 *
 * @param apiInterface/*  w  w  w  . j a  v  a  2s.c o m*/
 * @param apiImplementation
 */
@SuppressWarnings("unchecked")
public final <T extends DeviceAPI> void registerAPI(Class<T> apiInterface, T apiImplementation) {
    if (!apiInterface.isInstance(apiImplementation)) {
        throw new IllegalArgumentException("API implementation does not implement API interface");
    }
    if (!apiInterface.isInterface()) {
        throw new IllegalArgumentException("API interface must be an interface");
    }
    apis.put(apiInterface, apiImplementation);
    final Class[] interfaces = apiInterface.getInterfaces();
    if (interfaces != null) {
        for (Class intf : interfaces) {
            if (DeviceAPI.class.isAssignableFrom(intf)) {
                if (!apis.containsKey(intf)) {
                    apis.put((Class<? extends DeviceAPI>) intf, apiImplementation);
                }
            }
        }
    }
}

---

From source file:com.tower.service.test.SoafwTesterMojo.java

/**
 * //  w  w  w.j  a  v  a2s  .  c  o  m
 * @param className
 *            
 */
private void appendTest(String className) {
    /**
     * ?? ?public
     * ?MojoExecutionException??????
     */
    try {

        Map<String, Integer> methodCnt = new HashMap<String, Integer>();
        boolean hasmethod = false;

        Map<String, String> methodDefs = new HashMap<String, String>();
        Class cls = cl.loadClass(className);// 
        Class[] inters = cls.getInterfaces();
        int len = 0;
        if (inters == null || (len = inters.length) == 0) {
            return;
        }
        for (int i = 0; i < len; i++) {

            Class interCls = inters[i];

            this.getLog().info("@interface: " + interCls.getName());

            String name = project.getName();

            Method[] methods = null;

            if (name.endsWith("-dao")) {
                methods = interCls.getDeclaredMethods();
            } else {
                methods = interCls.getMethods();
            }

            int mlen = 0;
            if (methods != null && (mlen = methods.length) > 0) {

                StringBuffer methodBuf = new StringBuffer();

                for (int m = 0; m < mlen; m++) {
                    Method method = methods[m];
                    int modf = method.getModifiers();
                    if (modf == 1025) {// ??
                        hasmethod = true;
                        /**
                         * ??????Test ???=??+Test
                         * ??:basedPath+File.separator
                         * +src+File.separator+test+File.separator
                         * +pkg+definesArray[i]+Test+.java
                         */
                        if (methodCnt.containsKey(method.getName())) {
                            methodCnt.put(method.getName(), methodCnt.get(method.getName()) + 1);
                        } else {
                            methodCnt.put(method.getName(), 0);
                        }
                        int cnt = methodCnt.get(method.getName());

                        addMethod(methodDefs, methodBuf, method, cnt);
                    }
                }
            }
        }

        Class tstCls = cl.loadClass(className + "Test");// 

        Method[] methods = tstCls.getDeclaredMethods();
        len = methods == null ? 0 : methods.length;
        this.getLog().info("" + tstCls.getSimpleName() + "?" + len);

        /**
         * ??public
         */
        for (int m = 0; m < len; m++) {

            Method method = methods[m];
            SoaFwTest test = method.getAnnotation(SoaFwTest.class);
            if (test == null) {
                this.getLog()
                        .info(tstCls.getSimpleName() + " method " + method.getName() + "SoaFwTest");
                continue;
            }

            String id = test.id();

            if (methodDefs.containsKey(id)) {
                methodDefs.remove(id);
            }
        }

        if ((len = methodDefs.size()) == 0) {
            return;
        }

        String[] methodImpls = new String[len];
        methodDefs.keySet().toArray(methodImpls);
        // TODO  ???

        StringBuilder src = new StringBuilder();

        String srcs = readTestSrc(className);

        int index = srcs.lastIndexOf("}");

        // this.getLog().info(srcs);
        //this.getLog().info("lastIndexOf(}):" + index);

        String impls = srcs.substring(0, index - 1);

        src.append(impls);

        src.append("\n");
        this.getLog().info("?: " + className + "Test");
        StringBuilder appends = new StringBuilder();
        this.getLog().info("?");
        for (int i = 0; i < len; i++) {
            String methodId = methodImpls[i];
            String method = methodDefs.get(methodId);
            appends.append(method);
            appends.append("\n");
        }

        src.append(appends.toString());

        src.append("}");

        Package pkg = tstCls.getPackage();
        String pkgName = pkg.getName();
        String pkgPath = pkgName.replace(".", File.separator);

        String testBaseSrcPath = basedPath + File.separator + "src" + File.separator + "test" + File.separator
                + "java";
        String testSrcFullPath = testBaseSrcPath + File.separator + pkgPath;

        write(testSrcFullPath, tstCls.getSimpleName() + ".java", src.toString());

    } catch (Exception e) {
        this.getLog().error(e);
    } catch (Error er) {
        this.getLog().error(er);
    }
}

---

From source file:org.omnaest.utils.reflection.ReflectionUtils.java

/**
 * Returns as {@link Set} of assignable types which are implemented by the given type. This includes inherited types if the
 * respective parameter is set to true. The given type is returned within the result {@link Set} if it is compliant to the
 * onlyReturnInterfaces flag./*  w  ww  .  j  a  va 2 s .  c o m*/
 * 
 * @param type
 * @param inherited
 * @param onlyReturnInterfaces
 * @return
 */
public static Set<Class<?>> assignableTypeSet(Class<?> type, boolean inherited, boolean onlyReturnInterfaces) {
    //    
    final Set<Class<?>> retset = new LinkedHashSet<Class<?>>();

    //
    if (type != null) {
        //
        final Set<Class<?>> remainingTypeSet = new LinkedHashSet<Class<?>>();

        //
        class Helper {
            public void addNewInterfaceTypes(Class<?> type) {
                Class<?>[] interfaces = type.getInterfaces();
                if (interfaces != null) {
                    for (Class<?> interfaceType : interfaces) {
                        if (!retset.contains(interfaceType)) {
                            remainingTypeSet.add(interfaceType);
                        }
                    }
                }
            }
        }

        //
        if (!onlyReturnInterfaces || type.isInterface()) {
            retset.add(type);
        }

        //
        if (inherited) {
            remainingTypeSet.addAll(supertypeSet(type));
        }

        //
        Helper helper = new Helper();
        helper.addNewInterfaceTypes(type);

        //
        while (!remainingTypeSet.isEmpty()) {
            //
            Iterator<Class<?>> iterator = remainingTypeSet.iterator();
            Class<?> remainingType = iterator.next();
            iterator.remove();

            //
            if (!onlyReturnInterfaces || remainingType.isInterface()) {
                retset.add(remainingType);
            }

            //
            if (inherited) {
                //
                helper.addNewInterfaceTypes(remainingType);
            }

        }
    }

    //
    return retset;
}

---

From source file:com.kjt.service.common.SoafwTesterMojo.java

/**
 * //from   ww  w .j  av a2s  .com
 * @param className 
 */
private void appendTest(String className) {
    /**
     * ?? ?public
     * ?MojoExecutionException??????
     */
    try {

        Map<String, Integer> methodCnt = new HashMap<String, Integer>();
        boolean hasmethod = false;

        Map<String, String> methodDefs = new HashMap<String, String>();
        Class cls = cl.loadClass(className);// 
        Class[] inters = cls.getInterfaces();
        int len = 0;
        if (inters == null || (len = inters.length) == 0) {
            return;
        }
        for (int i = 0; i < len; i++) {

            Class interCls = inters[i];

            this.getLog().info("@interface: " + interCls.getName());

            String name = project.getName();

            Method[] methods = null;

            if (name.endsWith("-dao")) {
                methods = interCls.getDeclaredMethods();
            } else {
                methods = interCls.getMethods();
            }

            int mlen = 0;
            if (methods != null && (mlen = methods.length) > 0) {

                StringBuffer methodBuf = new StringBuffer();

                for (int m = 0; m < mlen; m++) {
                    Method method = methods[m];
                    int modf = method.getModifiers();
                    if (modf == 1025) {// ??
                        hasmethod = true;
                        /**
                         * ??????Test ???=??+Test
                         * ??:basedPath+File.separator
                         * +src+File.separator+test+File.separator
                         * +pkg+definesArray[i]+Test+.java
                         */
                        if (methodCnt.containsKey(method.getName())) {
                            methodCnt.put(method.getName(), methodCnt.get(method.getName()) + 1);
                        } else {
                            methodCnt.put(method.getName(), 0);
                        }
                        int cnt = methodCnt.get(method.getName());

                        addMethod(methodDefs, methodBuf, method, cnt);
                    }
                }
            }
        }

        Class tstCls = cl.loadClass(className + "Test");// 

        Method[] methods = tstCls.getDeclaredMethods();
        len = methods == null ? 0 : methods.length;
        this.getLog().info("" + tstCls.getSimpleName() + "?" + len);

        /**
         * ??public
         */
        for (int m = 0; m < len; m++) {

            Method method = methods[m];
            SoaFwTest test = method.getAnnotation(SoaFwTest.class);
            if (test == null) {
                this.getLog()
                        .info(tstCls.getSimpleName() + " method " + method.getName() + "SoaFwTest");
                continue;
            }

            String id = test.id();

            if (methodDefs.containsKey(id)) {
                methodDefs.remove(id);
            }
        }

        if ((len = methodDefs.size()) == 0) {
            return;
        }

        String[] methodImpls = new String[len];
        methodDefs.keySet().toArray(methodImpls);
        // TODO  ???
        this.getLog().info("???");

        StringBuilder src = new StringBuilder();

        String srcs = readTestSrc(className);

        int index = srcs.lastIndexOf("}");

        this.getLog().info(srcs);
        this.getLog().info("lastIndexOf(}):" + index);
        String impls = srcs.substring(0, index - 1);

        src.append(impls);

        src.append("\n");

        StringBuilder appends = new StringBuilder();
        this.getLog().info("?");
        for (int i = 0; i < len; i++) {
            String methodId = methodImpls[i];
            String method = methodDefs.get(methodId);
            appends.append(method);
            appends.append("\n");
        }

        src.append(appends.toString());

        src.append("}");

        Package pkg = tstCls.getPackage();
        String pkgName = pkg.getName();
        String pkgPath = pkgName.replace(".", File.separator);

        String testBaseSrcPath = basedPath + File.separator + "src" + File.separator + "test" + File.separator
                + "java";
        String testSrcFullPath = testBaseSrcPath + File.separator + pkgPath;

        write(testSrcFullPath, tstCls.getSimpleName() + ".java", src.toString());

    } catch (Exception e) {
        this.getLog().error(e);
    } catch (Error er) {
        this.getLog().error(er);
    }
}

---

From source file:com.agiletec.aps.system.common.entity.ApsEntityManager.java

/**
 * This method is used and hereby found in the spring XML configuration of the service.
 * By default, the declaration of the abstract service in the Spring configuration presents a 
 * standard class (ApsEntity); this class must be substituted in the definition of the service
 * if a different class, which extends the standard ApsEntity, must be used.
 * This method checks the validity of the class.
 * @param className The name of the entity class.
 *//*from  w  ww. j a v a 2s .  c  om*/
public void setEntityClassName(String className) {
    try {
        this._entityClass = Class.forName(className);
        Class check = this._entityClass;
        do {
            Class[] interfaces = check.getInterfaces();
            for (int j = 0; j < interfaces.length; j++) {
                if (interfaces[j].equals(IApsEntity.class))
                    return;
            }
            check = check.getSuperclass();
        } while (!check.equals(Object.class));
        throw new RuntimeException("Invalid entity class");
    } catch (ClassNotFoundException e) {
        _logger.error("Errore creating the entity class", e);
        //ApsSystemUtils.logThrowable(e, this, "setEntityClassName","Error detected while creating the entity class");
        throw new RuntimeException("Error creating the entity class", e);
    }
}

---

From source file:org.apache.axis2.jaxws.message.databinding.JAXBUtils.java

private static Class[] getInterfaces_priv(final Class cls) {
    Class[] intferfaces = null;// w ww.  j a va 2 s  .co m
    if (cls == null) {
        return null;
    }
    try {
        intferfaces = (Class[]) AccessController.doPrivileged(new PrivilegedExceptionAction() {
            public Object run() throws ClassNotFoundException {
                return cls.getInterfaces();
            }
        });
    } catch (PrivilegedActionException e) {
        if (log.isDebugEnabled()) {
            log.debug("Exception thrown from AccessController: " + e);
            log.debug("Exception is ignored.");
        }
    }
    return intferfaces;
}

---

From source file:org.apache.nifi.controller.service.StandardControllerServiceProvider.java

private void populateInterfaces(final Class<?> cls, final List<Class<?>> interfacesDefinedThusFar) {
    final Class<?>[] ifc = cls.getInterfaces();
    if (ifc != null && ifc.length > 0) {
        for (final Class<?> i : ifc) {
            interfacesDefinedThusFar.add(i);
        }/*from ww w . j a  v a2s  .c o m*/
    }

    final Class<?> superClass = cls.getSuperclass();
    if (superClass != null) {
        populateInterfaces(superClass, interfacesDefinedThusFar);
    }
}

---

From source file:message.mybatis.common.mapper.MapperHelper.java

/**
 * Mapper?/*w  w w .j  a  va  2  s .c om*/
 *
 * @param mapperClass
 * @throws Exception
 */
public void registerMapper(Class<?> mapperClass) {
    if (!registerMapper.containsKey(mapperClass)) {
        registerMapper.put(mapperClass, fromMapperClass(mapperClass));
    }
    //?
    Class<?>[] interfaces = mapperClass.getInterfaces();
    if (interfaces != null && interfaces.length > 0) {
        for (Class<?> anInterface : interfaces) {
            registerMapper(anInterface);
        }
    }
}

---

From source file:ome.services.graphs.GraphPathBean.java

/**
 * If the given property of the given class is actually declared by an interface that it implements,
 * find the name of the interface that first declares the property.
 * @param className the name of an {@link IObject} class
 * @param propertyName the name of a property of the class
 * @return the interface declaring the property, or {@code null} if none
 *///from  w w  w.j a  v a2s . c o  m
private Class<? extends IObject> getInterfaceForProperty(String className, String propertyName) {
    Class<? extends IObject> interfaceForProperty = null;
    Set<Class<? extends IObject>> interfacesFrom, interfacesTo;
    try {
        interfacesFrom = ImmutableSet
                .<Class<? extends IObject>>of(Class.forName(className).asSubclass(IObject.class));
    } catch (ClassNotFoundException e) {
        log.error("could not load " + IObject.class.getName() + " subclass " + className);
        return null;
    }
    while (!interfacesFrom.isEmpty()) {
        interfacesTo = new HashSet<Class<? extends IObject>>();
        for (final Class<? extends IObject> interfaceFrom : interfacesFrom) {
            if (interfaceFrom.isInterface()
                    && BeanUtils.getPropertyDescriptor(interfaceFrom, propertyName) != null) {
                interfaceForProperty = interfaceFrom;
            }
            for (final Class<?> newInterface : interfaceFrom.getInterfaces()) {
                if (newInterface != IObject.class && IObject.class.isAssignableFrom(newInterface)) {
                    interfacesTo.add(newInterface.asSubclass(IObject.class));
                    classesBySimpleName.put(newInterface.getSimpleName(),
                            newInterface.asSubclass(IObject.class));
                }
            }
        }
        interfacesFrom = interfacesTo;
    }
    return interfaceForProperty == null ? null : interfaceForProperty;
}

---

From source file:de.hasait.genesis.base.freemarker.FreemarkerModelWriter.java

static void write(final Configuration pConfiguration, final Writer pWriter, final Object pModel,
        final Map pParams) throws IOException, TemplateException {
    final Map<Class<?>, Template> templateCache = TEMPLATE_CACHE.get();

    Class<?> currentType = pModel.getClass();
    Template template = templateCache.get(currentType);
    if (template == null) {
        final LinkedList<TypeNode> queue = new LinkedList<TypeNode>();
        queue.add(new TypeNode(null, currentType));

        TemplateNotFoundException firstE = null;

        do {//from   w  w w  .  j  a v  a 2 s  .c o  m
            // take first from queue
            TypeNode current = queue.removeFirst();
            currentType = current._type;

            // determine template
            template = templateCache.get(currentType);
            if (template == null) {
                final String templateName = currentType.getSimpleName() + ".ftl";
                try {
                    template = pConfiguration.getTemplate(templateName);
                } catch (final TemplateNotFoundException e) {
                    if (firstE == null) {
                        firstE = e;
                    }
                }
            }

            if (template != null) {
                // fill cache including parents
                templateCache.put(currentType, template);
                while (true) {
                    templateCache.put(currentType, template);
                    current = current._parent;
                    if (current == null) {
                        break;
                    }
                    currentType = current._type;
                }
            } else {
                // fill queue with next nodes
                for (final Class<?> interfaceType : currentType.getInterfaces()) {
                    queue.add(new TypeNode(current, interfaceType));
                }
                final Class<?> superclassType = currentType.getSuperclass();
                if (superclassType != null) {
                    queue.add(new TypeNode(current, superclassType));
                }
            }
        } while (template == null && !queue.isEmpty());

        if (template == null) {
            throw firstE;
        }
    }

    write(pConfiguration, pWriter, template, pModel, pParams);
}

---

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