Example usage for java.lang.reflect Array get

List of usage examples for java.lang.reflect Array get

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Introduction

In this page you can find the example usage for java.lang.reflect Array get.

Prototype

public static native Object get(Object array, int index)
        throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

Source Link

Document

Returns the value of the indexed component in the specified array object.

Usage

From source file:com.higgses.griffin.annotation.app.GinInjector.java

@SuppressWarnings("ConstantConditions")
private static void injectObject(Object handler, ViewFinder finder) {

    Class<?> handlerType = handler.getClass();

    // inject view
    Field[] fields = handlerType.getDeclaredFields();
    if (fields != null && fields.length > 0) {
        for (Field field : fields) {
            GinInjectView viewInject = field.getAnnotation(GinInjectView.class);
            if (viewInject != null) {
                try {
                    View view = finder.findViewById(viewInject.id(), viewInject.parentId());
                    if (view != null) {
                        field.setAccessible(true);
                        field.set(handler, view);
                    }//  w ww.ja v  a 2 s  .  co  m
                } catch (Throwable e) {
                    LogUtils.e(e.getMessage(), e);
                }
            } else {
                ResInject resInject = field.getAnnotation(ResInject.class);
                if (resInject != null) {
                    try {
                        Object res = ResLoader.loadRes(resInject.type(), finder.getContext(), resInject.id());
                        if (res != null) {
                            field.setAccessible(true);
                            field.set(handler, res);
                        }
                    } catch (Throwable e) {
                        LogUtils.e(e.getMessage(), e);
                    }
                } else {
                    PreferenceInject preferenceInject = field.getAnnotation(PreferenceInject.class);
                    if (preferenceInject != null) {
                        try {
                            Preference preference = finder.findPreference(preferenceInject.value());
                            if (preference != null) {
                                field.setAccessible(true);
                                field.set(handler, preference);
                            }
                        } catch (Throwable e) {
                            LogUtils.e(e.getMessage(), e);
                        }
                    }
                }
            }
        }
    }

    // inject event
    Method[] methods = handlerType.getDeclaredMethods();
    if (methods != null && methods.length > 0) {
        for (Method method : methods) {
            Annotation[] annotations = method.getDeclaredAnnotations();
            if (annotations != null && annotations.length > 0) {
                for (Annotation annotation : annotations) {
                    Class<?> annType = annotation.annotationType();
                    if (annType.getAnnotation(EventBase.class) != null) {
                        method.setAccessible(true);
                        try {
                            // ProGuard-keep class * extends
                            // java.lang.annotation.Annotation { *; }
                            Method valueMethod = annType.getDeclaredMethod("id");
                            Method parentIdMethod = null;
                            try {
                                parentIdMethod = annType.getDeclaredMethod("parentId");
                            } catch (Throwable e) {
                            }
                            Object values = valueMethod.invoke(annotation);
                            Object parentIds = parentIdMethod == null ? null
                                    : parentIdMethod.invoke(annotation);
                            int parentIdsLen = parentIds == null ? 0 : Array.getLength(parentIds);
                            int len = Array.getLength(values);
                            for (int i = 0; i < len; i++) {
                                ViewInjectInfo info = new ViewInjectInfo();
                                info.value = Array.get(values, i);
                                info.parentId = parentIdsLen > i ? (Integer) Array.get(parentIds, i) : 0;
                                EventListenerManager.addEventMethod(finder, info, annotation, handler, method);
                            }
                        } catch (Throwable e) {
                            LogUtils.e(e.getMessage(), e);
                        }
                    }
                }
            }
        }
    }
}

From source file:net.kemuri9.sling.filesystemprovider.impl.PersistenceHelper.java

/**
 * Create a {@link JSONObject} that represents the specified object.
 * @param obj the object to create a JSONObject representation for.
 * @return the JSONObject representation of the object.
 * @throws JSONException if an error occurs on creating the JSON data
 *//*from w ww  .  j ava2  s.c o  m*/
static JSONObject createJSONPropertyObject(Object obj) throws JSONException {
    String type = Object.class.getName().toString();
    boolean isArray = false;
    if (obj != null) {
        if (obj.getClass().isArray()) {
            isArray = true;
            Class<?> elemType = obj.getClass().getComponentType();
            if (elemType.isArray()) {
                throw new IllegalArgumentException("nested array types are not supported");
            }
            type = elemType.getName();
        } else {
            type = obj.getClass().getName().toString();
        }
    }

    JSONObject jsonObj = new JSONObject();
    jsonObj.put(FSPConstants.JSON_KEY_TYPE, type);
    boolean isBinary = false;
    if (isArray) {
        int arrSize = Array.getLength(obj);
        JSONArray arr = new JSONArray();
        jsonObj.put(FSPConstants.JSON_KEY_VALUES, arr);
        for (int arr_i = 0; arr_i < arrSize; ++arr_i) {
            Object arr_val_i = Array.get(obj, arr_i);
            Object storage = convertToJSONStorage(arr_val_i);
            if (storage instanceof JSONStorage) {
                JSONStorage jsonStore = (JSONStorage) storage;
                isBinary |= jsonStore.isBinary;
                storage = jsonStore.value;
            }
            arr.put(storage);
        }
    } else {
        // singly valued type
        Object storage = convertToJSONStorage(obj);
        if (storage instanceof JSONStorage) {
            JSONStorage jsonStore = (JSONStorage) storage;
            storage = jsonStore.value;
            isBinary = jsonStore.isBinary;
        }
        jsonObj.put(FSPConstants.JSON_KEY_VALUE, storage);
    }
    if (isBinary) {
        jsonObj.put(FSPConstants.JSON_KEY_BINARY, true);
    }

    return jsonObj;
}

From source file:net.solarnetwork.web.support.JSONView.java

private Collection<?> getPrimitiveCollection(Object array) {
    int len = Array.getLength(array);
    List<Object> result = new ArrayList<Object>(len);
    for (int i = 0; i < len; i++) {
        result.add(Array.get(array, i));
    }// w  w w . j  av  a2 s . c o  m
    return result;
}

From source file:de.ks.flatadocdb.defaults.ReflectionLuceneDocumentExtractor.java

private ReflectionLuceneDocumentExtractor.DocField createArrayDocField(Field f, MethodHandle getter) {
    return new DocField(f, getter, (id, value) -> {
        StringBuilder builder = new StringBuilder();

        int length = Array.getLength(value);
        for (int i = 0; i < length; i++) {
            Object element = Array.get(value, i);
            builder.append(element);// ww  w .j av  a 2s  .c  om
            if (i != length - 1) {
                builder.append(", ");
            }
        }
        return new StringField(id, builder.toString(), org.apache.lucene.document.Field.Store.YES);
    });
}

From source file:de.alpharogroup.lang.object.CloneObjectExtensions.java

/**
 * Try to clone the given object./*w ww.  j  a v  a 2  s. c o m*/
 *
 * @param object
 *            The object to clone.
 * @return The cloned object or null if the clone process failed.
 * @throws NoSuchMethodException
 *             Thrown if a matching method is not found or if the name is "&lt;init&gt;"or
 *             "&lt;clinit&gt;".
 * @throws SecurityException
 *             Thrown if the security manager indicates a security violation.
 * @throws IllegalAccessException
 *             Thrown if this {@code Method} object is enforcing Java language access control
 *             and the underlying method is inaccessible.
 * @throws IllegalArgumentException
 *             Thrown if an illegal argument is given
 * @throws InvocationTargetException
 *             Thrown if the property accessor method throws an exception
 * @throws ClassNotFoundException
 *             occurs if a given class cannot be located by the specified class loader
 * @throws InstantiationException
 *             Thrown if one of the following reasons: the class object
 *             <ul>
 *             <li>represents an abstract class</li>
 *             <li>represents an interface</li>
 *             <li>represents an array class</li>
 *             <li>represents a primitive type</li>
 *             <li>represents {@code void}</li>
 *             <li>has no nullary constructor</li>
 *             </ul>
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public static Object cloneObject(final Object object)
        throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException,
        InvocationTargetException, ClassNotFoundException, InstantiationException, IOException {
    Object clone = null;
    // Try to clone the object if it implements Serializable.
    if (object instanceof Serializable) {
        clone = SerializedObjectExtensions.copySerializedObject((Serializable) object);
        if (clone != null) {
            return clone;
        }
    }
    // Try to clone the object if it is Cloneble.
    if (clone == null && object instanceof Cloneable) {

        if (object.getClass().isArray()) {
            final Class<?> componentType = object.getClass().getComponentType();
            if (componentType.isPrimitive()) {
                int length = Array.getLength(object);
                clone = Array.newInstance(componentType, length);
                while (length-- > 0) {
                    Array.set(clone, length, Array.get(object, length));
                }
            } else {
                clone = ((Object[]) object).clone();
            }
            if (clone != null) {
                return clone;
            }
        }
        final Class<?> clazz = object.getClass();
        final Method cloneMethod = clazz.getMethod("clone", (Class[]) null);
        clone = cloneMethod.invoke(object, (Object[]) null);
        if (clone != null) {
            return clone;
        }
    }
    // Try to clone the object by copying all his properties with
    // the BeanUtils.copyProperties() method.
    if (clone == null) {
        clone = ReflectionExtensions.getNewInstance(object);
        BeanUtils.copyProperties(clone, object);
    }
    return clone;
}

From source file:org.apache.cayenne.log.CommonsJdbcEventLogger.java

void sqlLiteralForObject(StringBuilder buffer, Object object) {
    if (object == null) {
        buffer.append("NULL");
    } else if (object instanceof String) {
        buffer.append('\'');
        // lets escape quotes
        String literal = (String) object;
        if (literal.length() > TRIM_VALUES_THRESHOLD) {
            literal = literal.substring(0, TRIM_VALUES_THRESHOLD) + "...";
        }/*www  .j a v a 2s .c om*/

        int curPos = 0;
        int endPos = 0;

        while ((endPos = literal.indexOf('\'', curPos)) >= 0) {
            buffer.append(literal.substring(curPos, endPos + 1)).append('\'');
            curPos = endPos + 1;
        }

        if (curPos < literal.length())
            buffer.append(literal.substring(curPos));

        buffer.append('\'');
    }
    // handle byte pretty formatting
    else if (object instanceof Byte) {
        IDUtil.appendFormattedByte(buffer, ((Byte) object).byteValue());
    } else if (object instanceof Number) {
        // process numeric value (do something smart in the future)
        buffer.append(object);
    } else if (object instanceof java.sql.Date) {
        buffer.append('\'').append(object).append('\'');
    } else if (object instanceof java.sql.Time) {
        buffer.append('\'').append(object).append('\'');
    } else if (object instanceof java.util.Date) {
        long time = ((java.util.Date) object).getTime();
        buffer.append('\'').append(new java.sql.Timestamp(time)).append('\'');
    } else if (object instanceof java.util.Calendar) {
        long time = ((java.util.Calendar) object).getTimeInMillis();
        buffer.append(object.getClass().getName()).append('(').append(new java.sql.Timestamp(time)).append(')');
    } else if (object instanceof Character) {
        buffer.append(((Character) object).charValue());
    } else if (object instanceof Boolean) {
        buffer.append('\'').append(object).append('\'');
    } else if (object instanceof Enum<?>) {
        // buffer.append(object.getClass().getName()).append(".");
        buffer.append(((Enum<?>) object).name()).append("=");
        if (object instanceof ExtendedEnumeration) {
            Object value = ((ExtendedEnumeration) object).getDatabaseValue();
            if (value instanceof String)
                buffer.append("'");
            buffer.append(value);
            if (value instanceof String)
                buffer.append("'");
        } else {
            buffer.append(((Enum<?>) object).ordinal());
            // FIXME -- this isn't quite right
        }
    } else if (object instanceof SQLParameterBinding) {
        sqlLiteralForObject(buffer, ((SQLParameterBinding) object).getValue());
    } else if (object.getClass().isArray()) {
        buffer.append("< ");

        int len = Array.getLength(object);
        boolean trimming = false;
        if (len > TRIM_VALUES_THRESHOLD) {
            len = TRIM_VALUES_THRESHOLD;
            trimming = true;
        }

        for (int i = 0; i < len; i++) {
            if (i > 0) {
                buffer.append(",");
            }
            sqlLiteralForObject(buffer, Array.get(object, i));
        }

        if (trimming) {
            buffer.append("...");
        }

        buffer.append('>');
    } else {
        buffer.append(object.getClass().getName()).append("@").append(System.identityHashCode(object));
    }
}

From source file:com.lidroid.xutils.ViewUtils.java

@SuppressWarnings("ConstantConditions")
private static void injectObject(Object handler, ViewFinder finder) {

    Class<?> handlerType = handler.getClass();

    // inject ContentView
    ContentView contentView = handlerType.getAnnotation(ContentView.class);
    if (contentView != null) {
        try {//  w w  w .  j av  a 2s .  com
            Method setContentViewMethod = handlerType.getMethod("setContentView", int.class);
            setContentViewMethod.invoke(handler, contentView.value());
        } catch (Throwable e) {
            LogUtils.e(e.getMessage(), e);
        }
    }

    // inject view
    Field[] fields = handlerType.getDeclaredFields();
    if (fields != null && fields.length > 0) {
        for (Field field : fields) {
            ViewInject viewInject = field.getAnnotation(ViewInject.class);
            if (viewInject != null) {
                try {
                    View view = finder.findViewById(viewInject.value(), viewInject.parentId());
                    if (view != null) {
                        field.setAccessible(true);
                        field.set(handler, view);
                    }
                } catch (Throwable e) {
                    LogUtils.e(e.getMessage(), e);
                }
            } else {
                ResInject resInject = field.getAnnotation(ResInject.class);
                if (resInject != null) {
                    try {
                        Object res = ResLoader.loadRes(resInject.type(), finder.getContext(), resInject.id());
                        if (res != null) {
                            field.setAccessible(true);
                            field.set(handler, res);
                        }
                    } catch (Throwable e) {
                        LogUtils.e(e.getMessage(), e);
                    }
                } else {
                    PreferenceInject preferenceInject = field.getAnnotation(PreferenceInject.class);
                    if (preferenceInject != null) {
                        try {
                            Preference preference = finder.findPreference(preferenceInject.value());
                            if (preference != null) {
                                field.setAccessible(true);
                                field.set(handler, preference);
                            }
                        } catch (Throwable e) {
                            LogUtils.e(e.getMessage(), e);
                        }
                    }
                }
            }
        }
    }

    // inject event
    Method[] methods = handlerType.getDeclaredMethods();
    if (methods != null && methods.length > 0) {
        for (Method method : methods) {
            Annotation[] annotations = method.getDeclaredAnnotations();
            if (annotations != null && annotations.length > 0) {
                for (Annotation annotation : annotations) {
                    Class<?> annType = annotation.annotationType();
                    if (annType.getAnnotation(EventBase.class) != null) {
                        method.setAccessible(true);
                        try {
                            // ProGuard-keep class * extends java.lang.annotation.Annotation { *; }
                            Method valueMethod = annType.getDeclaredMethod("value");
                            Method parentIdMethod = null;
                            try {
                                parentIdMethod = annType.getDeclaredMethod("parentId");
                            } catch (Throwable e) {
                            }
                            Object values = valueMethod.invoke(annotation);
                            Object parentIds = parentIdMethod == null ? null
                                    : parentIdMethod.invoke(annotation);
                            int parentIdsLen = parentIds == null ? 0 : Array.getLength(parentIds);
                            int len = Array.getLength(values);
                            for (int i = 0; i < len; i++) {
                                ViewInjectInfo info = new ViewInjectInfo();
                                info.value = Array.get(values, i);
                                info.parentId = parentIdsLen > i ? (Integer) Array.get(parentIds, i) : 0;
                                EventListenerManager.addEventMethod(finder, info, annotation, handler, method);
                            }
                        } catch (Throwable e) {
                            LogUtils.e(e.getMessage(), e);
                        }
                    }
                }
            }
        }
    }
}

From source file:com.zhoukl.androidRDP.RdpUtils.RdpAnnotationUtil.java

@SuppressWarnings("ConstantConditions")
private static void injectObject(Object handler, ViewFinder finder) {

    Class<?> handlerType = handler.getClass();

    // inject ContentView
    ContentView contentView = handlerType.getAnnotation(ContentView.class);
    if (contentView != null) {
        try {//from ww  w .ja va2  s. c  o m
            Method setContentViewMethod = handlerType.getMethod("setContentView", int.class);
            setContentViewMethod.invoke(handler, contentView.value());
        } catch (Throwable e) {
            //LogUtils.e(e.getMessage(), e);
        }
    }

    // inject view
    Field[] fields = handlerType.getDeclaredFields();
    if (fields != null && fields.length > 0) {
        for (Field field : fields) {
            ViewInject viewInject = field.getAnnotation(ViewInject.class);
            if (viewInject != null) {
                try {
                    View view = finder.findViewById(viewInject.value(), viewInject.parentId());
                    if (view != null) {
                        field.setAccessible(true);
                        field.set(handler, view);
                    }
                } catch (Throwable e) {
                    //LogUtils.e(e.getMessage(), e);
                }
            } else {
                ResInject resInject = field.getAnnotation(ResInject.class);
                if (resInject != null) {
                    try {
                        Object res = ResLoader.loadRes(resInject.type(), finder.getContext(), resInject.id());
                        if (res != null) {
                            field.setAccessible(true);
                            field.set(handler, res);
                        }
                    } catch (Throwable e) {
                        //LogUtils.e(e.getMessage(), e);
                    }
                } else {
                    PreferenceInject preferenceInject = field.getAnnotation(PreferenceInject.class);
                    if (preferenceInject != null) {
                        try {
                            Preference preference = finder.findPreference(preferenceInject.value());
                            if (preference != null) {
                                field.setAccessible(true);
                                field.set(handler, preference);
                            }
                        } catch (Throwable e) {
                            //LogUtils.e(e.getMessage(), e);
                        }
                    }
                }
            }
        }
    }

    // inject event
    Method[] methods = handlerType.getDeclaredMethods();
    if (methods != null && methods.length > 0) {
        for (Method method : methods) {
            Annotation[] annotations = method.getDeclaredAnnotations();
            if (annotations != null && annotations.length > 0) {
                for (Annotation annotation : annotations) {
                    Class<?> annType = annotation.annotationType();
                    if (annType.getAnnotation(EventBase.class) != null) {
                        method.setAccessible(true);
                        try {
                            // ProGuard-keep class * extends java.lang.annotation.Annotation { *; }
                            Method valueMethod = annType.getDeclaredMethod("value");
                            Method parentIdMethod = null;
                            try {
                                parentIdMethod = annType.getDeclaredMethod("parentId");
                            } catch (Throwable e) {
                            }
                            Object values = valueMethod.invoke(annotation);
                            Object parentIds = parentIdMethod == null ? null
                                    : parentIdMethod.invoke(annotation);
                            int parentIdsLen = parentIds == null ? 0 : Array.getLength(parentIds);
                            int len = Array.getLength(values);
                            for (int i = 0; i < len; i++) {
                                ViewInjectInfo info = new ViewInjectInfo();
                                info.value = Array.get(values, i);
                                info.parentId = parentIdsLen > i ? (Integer) Array.get(parentIds, i) : 0;
                                EventListenerManager.addEventMethod(finder, info, annotation, handler, method);
                            }
                        } catch (Throwable e) {
                            //LogUtils.e(e.getMessage(), e);
                        }
                    }
                }
            }
        }
    }
}

From source file:com.google.api.server.spi.ObjectMapperUtil.java

private static boolean isEmpty(Object value) {
    Class<?> clazz = value.getClass();
    if (clazz.isArray()) {
        int len = Array.getLength(value);
        for (int i = 0; i < len; i++) {
            Object element = Array.get(value, i);
            if (element != null && !isEmpty(element)) {
                return false;
            }//ww  w. jav a  2s  .c om
        }
        return true;
    } else if (Collection.class.isAssignableFrom(clazz)) {
        Collection<?> c = (Collection<?>) value;
        for (Object element : c) {
            if (element != null && !isEmpty(element)) {
                return false;
            }
        }
        return true;
    } else if (Map.class.isAssignableFrom(clazz)) {
        Map<?, ?> m = (Map<?, ?>) value;
        for (Object entryValue : m.values()) {
            if (entryValue != null && !isEmpty(entryValue)) {
                return false;
            }
        }
        return true;
    }
    return false;
}

From source file:gda.data.scan.datawriter.scannablewriter.SingleScannableWriter.java

private final Object[] getArrayObject(final Object position) {

    if (position.getClass().isArray()) {
        final Object[] outputArray;

        if (position.getClass().getComponentType().isPrimitive()) {
            final int arrlength = Array.getLength(position);
            outputArray = new Object[arrlength];
            for (int i = 0; i < arrlength; ++i) {
                outputArray[i] = Array.get(position, i);
            }//from   www . j  a v  a 2 s .c  om

        } else {
            outputArray = (Object[]) position;
        }

        return outputArray;

    } else {
        return new Object[] { position };
    }
}