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.gradle.model.internal.manage.schema.ModelSchemaExtractor.java

public <T> void validateType(Class<T> type) {
    if (!type.isInterface()) {
        throw invalid(type, "must be defined as an interface");
    }/*from  ww w.  j av  a2s.co m*/

    if (type.getInterfaces().length != 0) {
        throw invalid(type, "cannot extend other types");
    }

    if (type.getTypeParameters().length != 0) {
        throw invalid(type, "cannot be a parameterized type");
    }
}

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From source file:de.knurt.fam.plugin.DefaultPluginResolver.java

private boolean implementz(Class<?> clazz, String interfaceName) {
    boolean result = false;
    Class<?>[] interfaces = clazz.getInterfaces();
    for (Class<?> interfaze : interfaces) {
        if (interfaze.getName().equals(interfaceName)) {
            result = true;//from  w  w w.j  ava  2 s.co  m
            break;
        }
    }
    return result;
}

---

From source file:javazoom.jlgui.player.amp.playlist.PlaylistFactory.java

/**
 * Returns Playlist instantied from full qualified class name.
 *///from w ww  .j  a va 2  s  . c om
public Playlist getPlaylist() {
    if (_playlistInstance == null) {
        String classname = _config.getPlaylistClassName();
        boolean interfaceFound = false;
        try {
            Class aClass = Class.forName(classname);
            Class superClass = aClass;
            // Looking for Playlist interface implementation.
            while (superClass != null) {
                Class[] interfaces = superClass.getInterfaces();
                for (int i = 0; i < interfaces.length; i++) {
                    if ((interfaces[i].getName()).equals("javazoom.jlgui.player.amp.playlist.Playlist")) {
                        interfaceFound = true;
                        break;
                    }
                }
                if (interfaceFound == true)
                    break;
                superClass = superClass.getSuperclass();
            }
            if (interfaceFound == false) {
                log.error("Error : Playlist implementation not found in " + classname + " hierarchy");
            } else {
                Class[] argsClass = new Class[] {};
                Constructor c = aClass.getConstructor(argsClass);
                _playlistInstance = (Playlist) (c.newInstance(null));
                log.info(classname + " loaded");
            }
        } catch (Exception e) {
            log.error("Error : " + classname + " : " + e.getMessage());
        }
    }
    return _playlistInstance;
}

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From source file:com.seer.datacruncher.spring.ExtraCheckCustomCodeValidator.java

public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    String code = request.getParameter("value");
    String name = request.getParameter("name");
    String addReq = request.getParameter("addReq");

    //TODO: take the result message from "locale"
    String result = null;/*w w  w  .j av  a2s  .  com*/
    ObjectMapper mapper = new ObjectMapper();
    ServletOutputStream out = null;
    response.setContentType("application/json");
    out = response.getOutputStream();
    if (StringUtils.isEmpty(code) || StringUtils.isEmpty(name)) {
        result = I18n.getMessage("error.extracheck.invaliddata");
    } else {
        name = name.trim();
        if (addReq.equalsIgnoreCase("true")) {
            ReadList list = checksTypeDao.findCustomCodeByName(name);
            if (list != null && CollectionUtils.isNotEmpty(list.getResults())) {
                result = I18n.getMessage("error.extracheck.name.alreadyexist");
                out.write(mapper.writeValueAsBytes(result));
                out.flush();
                out.close();
                return null;
            }
        }
        try {
            File sourceDir = new File(System.getProperty("java.io.tmpdir"), "DataCruncher/src");
            sourceDir.mkdirs();
            String classNamePack = name.replace('.', File.separatorChar);
            String srcFilePath = sourceDir + "" + File.separatorChar + classNamePack + ".java";
            File sourceFile = new File(srcFilePath);
            if (sourceFile.exists()) {
                sourceFile.delete();
            }
            FileUtils.writeStringToFile(new File(srcFilePath), code);
            DynamicClassLoader dynacode = DynamicClassLoader.getInstance();
            dynacode.addSourceDir(sourceDir);
            CustomCodeValidator customCodeValidator = (CustomCodeValidator) dynacode
                    .newProxyInstance(CustomCodeValidator.class, name);
            boolean isValid = false;
            if (customCodeValidator != null) {
                Class clazz = dynacode.getLoadedClass(name);
                if (clazz != null) {
                    Class[] interfaces = clazz.getInterfaces();
                    if (ArrayUtils.isNotEmpty(interfaces)) {
                        for (Class clz : interfaces) {
                            if ((clz.getName().equalsIgnoreCase(
                                    "com.seer.datacruncher.utils.validation.SingleValidation"))) {
                                isValid = true;
                            }
                        }
                    }
                }
            }
            if (isValid) {
                result = "Success";
            } else {
                result = I18n.getMessage("error.extracheck.wrongimpl");
            }
        } catch (Exception e) {
            result = "Failed. Reason:" + e.getMessage();
        }
    }
    out.write(mapper.writeValueAsBytes(result));
    out.flush();
    out.close();
    return null;
}

---

From source file:org.duracloud.account.db.util.security.impl.AnnotationParserImpl.java

private Class getAnnotatedInterface(Class annotationClass, Class targetClass) {
    if (hasAnnotatedMethods(annotationClass, targetClass)) {
        return targetClass;
    }//from w  w w  . ja v a 2 s.c om

    for (Class iface : targetClass.getInterfaces()) {
        if (hasAnnotatedMethods(annotationClass, iface)) {
            return iface;
        }
    }

    throw new DuraCloudRuntimeException(
            "No annotationMetadata found of " + annotationClass.getName() + " over " + targetClass.getName());
}

---

From source file:org.rifidi.emulator.io.comm.ip.tcpclient.TCPClientCommunicationIncomingMessageHandler.java

/**
 * Creates a TCPServerCommunicationIncomingMessageHandler which is bound to
 * the passed TCPServerCommunication. This constructor has default access so
 * that only tcpserver-package classes can create these.
 * //from   w  ww . j av  a  2 s  .c  om
 * It also takes in a class which implements the AbstractStreamReader class
 * that is used to parse the bytes on the input socket in a way required by
 * the specific RFID reader being emulated.
 * 
 * @param hostCommunication
 *            The TCPServerCommunication this object is bound to.
 * @param reader
 *            The AbstractStreamReader with an overridden read() method.
 */
@SuppressWarnings("unchecked")
public TCPClientCommunicationIncomingMessageHandler(TCPClientCommunication hostCommunication) {

    this.hostCommunication = hostCommunication;

    // TODO Get AbstractStreamReader !!!!
    // Class reader = hostCommunication.getAbstractStreamReader();

    Class reader = GenericByteStreamReader.class;

    Class[] interfaces = reader.getInterfaces();
    boolean interfaceFound = false;
    for (Class i : interfaces) {
        if (i.equals(AbstractStreamReader.class)) {
            interfaceFound = true;
        }
    }
    if (interfaceFound) {
        this.readerClass = reader;
    } else {
        logger.error("Expected class that implemets AbstractStreamReader, but got class of type: "
                + reader.getClass());
        throw (new RuntimeException(
                "Expected class that implemets AbstractStreamReader, but got class of type: "
                        + reader.getClass()));
    }
}

---

From source file:com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.java

/**
 * @param jarPath The local path to the jar containing the ExternalDataSource.
 * @param className The name of the class implementing the ExternalDataSource.
 * @param apiVersionStr The API version the ExternalDataSource implements.
 *                         Must be a valid value of {@link ApiVersion}.
 *///  w w w.j av  a2s .  c o  m
public ExternalDataSourceExecutor(String jarPath, String className, String apiVersionStr)
        throws ImpalaException {
    Preconditions.checkNotNull(jarPath);

    apiVersion_ = ApiVersion.valueOf(apiVersionStr);
    if (apiVersion_ == null) {
        throw new ImpalaRuntimeException("Invalid API version: " + apiVersionStr);
    }
    jarPath_ = jarPath;
    className_ = className;

    try {
        URL url = new File(jarPath).toURI().toURL();
        URLClassLoader loader = URLClassLoader.newInstance(new URL[] { url }, getClass().getClassLoader());
        Class<?> c = Class.forName(className, true, loader);
        if (!ArrayUtils.contains(c.getInterfaces(), apiVersion_.getApiInterface())) {
            throw new ImpalaRuntimeException(
                    String.format("Class '%s' does not implement interface '%s' required for API version %s",
                            className, apiVersion_.getApiInterface().getName(), apiVersionStr));
        }
        Constructor<?> ctor = c.getConstructor();
        dataSource_ = (ExternalDataSource) ctor.newInstance();
    } catch (Exception ex) {
        throw new ImpalaRuntimeException(String.format(
                "Unable to load external data " + "source library from path=%s className=%s apiVersion=%s",
                jarPath, className, apiVersionStr), ex);
    }
}

---

From source file:org.openehealth.ipf.modules.cda.builder.CDAR2MetaObjectGraphBuilder.java

/**
 * Reflect the attribute type and instanciate it properly from factory This
 * needs a revision if no factory is found: for generic Boolean, Real etc.
 * values//  ww w.  j  av  a2  s. co m
 */
@SuppressWarnings("unchecked")
protected Object createAttributeByNameFromString(Class klass, String key, String value) {
    EClassImpl classifierImpl = (EClassImpl) ePackage.getEClassifier(klass.getInterfaces()[0].getSimpleName());
    if (classifierImpl != null) {
        EList eList = classifierImpl.getEAllAttributes();
        for (Object anEList : eList) {
            EAttributeImpl attrImpl = (EAttributeImpl) anEList;
            if (attrImpl.getName().equals(key)) {
                Class valueClass = attrImpl.getEAttributeType().getInstanceClass();
                if (Enumerator.class.isAssignableFrom(valueClass)) { // create
                    // enumeration
                    // instance
                    Object instance = ((CDAR2Factory) getMetaBuilder().getDefaultBuildNodeFactory())
                            .createFromString(attrImpl.basicGetEAttributeType(), value);
                    return instance;
                } else if (boolean.class.isAssignableFrom(valueClass)
                        || Boolean.class.isAssignableFrom(valueClass)) {
                    return value;
                } else if (Number.class.isAssignableFrom(valueClass)) { // call
                    // the
                    // string
                    // constructor
                    return value;
                }
            }
        }
        return value;
    } else {
        return null;
    }
}

---

From source file:com.seer.datacruncher.spring.EventTriggerValidator.java

public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    String code = request.getParameter("code");
    String name = request.getParameter("name");
    String addReq = request.getParameter("addReq");

    String result = null;//from  w  w  w. j  a  v a2 s  .c o m

    ObjectMapper mapper = new ObjectMapper();
    ServletOutputStream out = null;
    response.setContentType("application/json");
    out = response.getOutputStream();

    if (StringUtils.isEmpty(code) || StringUtils.isEmpty(name)) {
        result = I18n.getMessage("error.trigger.invaliddata");//"Failed. Reason:Invalid Data";
    } else {
        name = name.trim();
        if (addReq.equalsIgnoreCase("true")) {
            ReadList list = eventTriggerDao.findTriggersByName(name);
            if (list != null && CollectionUtils.isNotEmpty(list.getResults())) {
                result = I18n.getMessage("error.trigger.name.alreadyexist");//"Failed. Reason:Name alredy exist";
                out.write(mapper.writeValueAsBytes(result));
                out.flush();
                out.close();
                return null;
            }
        }
        try {
            File sourceDir = new File(System.getProperty("java.io.tmpdir"), "DataCruncher/src");
            sourceDir.mkdirs();
            String classNamePack = name.replace('.', File.separatorChar);
            String srcFilePath = sourceDir + "" + File.separatorChar + classNamePack + ".java";
            File sourceFile = new File(srcFilePath);
            if (sourceFile.exists()) {
                sourceFile.delete();
            }
            FileUtils.writeStringToFile(new File(srcFilePath), code);
            DynamicClassLoader dynacode = DynamicClassLoader.getInstance();
            dynacode.addSourceDir(sourceDir);
            EventTrigger eventTrigger = (EventTrigger) dynacode.newProxyInstance(EventTrigger.class, name);
            boolean isValid = false;
            if (eventTrigger != null) {
                Class clazz = dynacode.getLoadedClass(name);
                if (clazz != null) {
                    Class[] interfaces = clazz.getInterfaces();
                    if (ArrayUtils.isNotEmpty(interfaces)) {
                        for (Class clz : interfaces) {
                            if (clz.getName()
                                    .equalsIgnoreCase("com.seer.datacruncher.eventtrigger.EventTrigger")) {
                                isValid = true;
                            }
                        }
                    } else if (clazz.getSuperclass() != null && clazz.getSuperclass().getName()
                            .equalsIgnoreCase("com.seer.datacruncher.eventtrigger.EventTriggerImpl")) {
                        isValid = true;
                    }
                }
            }
            if (isValid) {
                result = "Success";
            } else {
                result = I18n.getMessage("error.trigger.wrongimpl");//"Failed. Reason: Custom code should implement com.seer.datacruncher.eventtrigger.EventTrigger Interface";
            }
        } catch (Exception e) {
            result = "Failed. Reason:" + e.getMessage();
        }
    }
    out.write(mapper.writeValueAsBytes(result));
    out.flush();
    out.close();
    return null;
}

---

From source file:it.openprj.jValidator.spring.ExtraCheckCustomCodeValidator.java

public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    String code = request.getParameter("value");
    String name = request.getParameter("name");
    String addReq = request.getParameter("addReq");

    //TODO: take the result message from "locale"
    String result = null;/*from w w  w.j  a  v a2s  . c  om*/
    ObjectMapper mapper = new ObjectMapper();
    ServletOutputStream out = null;
    response.setContentType("application/json");
    out = response.getOutputStream();
    if (StringUtils.isEmpty(code) || StringUtils.isEmpty(name)) {
        result = I18n.getMessage("error.extracheck.invaliddata");
    } else {
        name = name.trim();
        if (addReq.equalsIgnoreCase("true")) {
            ReadList list = checksTypeDao.findCustomCodeByName(name);
            if (list != null && CollectionUtils.isNotEmpty(list.getResults())) {
                result = I18n.getMessage("error.extracheck.name.alreadyexist");
                out.write(mapper.writeValueAsBytes(result));
                out.flush();
                out.close();
                return null;
            }
        }
        try {
            File sourceDir = new File(System.getProperty("java.io.tmpdir"), "jValidator/src");
            sourceDir.mkdirs();
            String classNamePack = name.replace('.', File.separatorChar);
            String srcFilePath = sourceDir + "" + File.separatorChar + classNamePack + ".java";
            File sourceFile = new File(srcFilePath);
            if (sourceFile.exists()) {
                sourceFile.delete();
            }
            FileUtils.writeStringToFile(new File(srcFilePath), code);
            DynamicClassLoader dynacode = DynamicClassLoader.getInstance();
            dynacode.addSourceDir(sourceDir);
            CustomCodeValidator customCodeValidator = (CustomCodeValidator) dynacode
                    .newProxyInstance(CustomCodeValidator.class, name);
            boolean isValid = false;
            if (customCodeValidator != null) {
                Class clazz = dynacode.getLoadedClass(name);
                if (clazz != null) {
                    Class[] interfaces = clazz.getInterfaces();
                    if (ArrayUtils.isNotEmpty(interfaces)) {
                        for (Class clz : interfaces) {
                            if ((clz.getName().equalsIgnoreCase(
                                    "it.openprj.jValidator.utils.validation.SingleValidation"))) {
                                isValid = true;
                            }
                        }
                    }
                }
            }
            if (isValid) {
                result = "Success";
            } else {
                result = I18n.getMessage("error.extracheck.wrongimpl");
            }
        } catch (Exception e) {
            result = "Failed. Reason:" + e.getMessage();
        }
    }
    out.write(mapper.writeValueAsBytes(result));
    out.flush();
    out.close();
    return null;
}

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