Example usage for java.lang.reflect Array set

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

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Introduction

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

Prototype

public static native void set(Object array, int index, Object value)
        throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

Source Link

Document

Sets the value of the indexed component of the specified array object to the specified new value.

Usage

From source file:org.primeframework.mvc.parameter.convert.AbstractGlobalConverter.java

/**
 * This performs the conversion from a single String value to an array of the given type.
 *
 * @param value             The value to convert to an array.
 * @param convertTo         The array type to convert to.
 * @param dynamicAttributes The dynamic attributes used to assist in conversion.
 * @param expression        The full path to the expression that is causing the conversion.
 * @return The converted value.//from  w  w w  . ja v  a 2 s. c om
 * @throws ConversionException     If the conversion failed.
 * @throws ConverterStateException if the converter didn't have all of the information it needed to perform the
 *                                 conversion.
 */
protected Object stringToArray(String value, Type convertTo, Map<String, String> dynamicAttributes,
        String expression) throws ConversionException {
    if (value == null) {
        return null;
    }

    Object finalArray;
    Class<?> rawType = TypeTools.rawType(convertTo);
    if (StringUtils.isBlank(value)) {
        finalArray = Array.newInstance(rawType.getComponentType(), 0);
    } else {
        String[] parts = value.split(",");
        finalArray = Array.newInstance(rawType.getComponentType(), parts.length);
        for (int i = 0; i < parts.length; i++) {
            Object singleValue = stringToObject(parts[i], rawType.getComponentType(), dynamicAttributes,
                    expression);
            Array.set(finalArray, i, singleValue);
        }
    }

    return finalArray;
}

From source file:com.cisco.oss.foundation.monitoring.ServerInfo.java

@SuppressWarnings("unchecked")
private static Object getChild(Object obj, String attributeName, Object value, boolean isSet)
        throws SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException,
        InvocationTargetException {
    int substrstart = attributeName.indexOf('[');
    int substrend = attributeName.indexOf(']');

    if (substrstart == -1) {
        if (isSet) {
            String strFunc = "set" + attributeName;
            callSetMethod(obj, value, strFunc);
            return null;
        } else {//  w w w. j  av a 2  s .  c  om
            String getStr = "get";
            StringBuilder strBuild = new StringBuilder(attributeName);
            strBuild.insert(0, getStr);

            String getFuncStr = strBuild.toString();

            Method m = obj.getClass().getMethod(getFuncStr);
            Object result = m.invoke(obj);

            return result;
        }
    } else {
        String firststr = attributeName.substring(0, substrstart);
        String secondstr = attributeName.substring(substrstart + 1, substrend);
        Object parentObj = obj;
        Object requests = parentObj.getClass().getDeclaredMethod("get" + firststr, new Class[] {})
                .invoke(parentObj, new Object[] {});

        if (requests instanceof Map) {
            Object result = ((HashMap) requests).get(secondstr);
            return result;
        } else if (requests instanceof List) {
            if (isSet) {
                ((List) requests).set(Integer.parseInt(secondstr), value);
                return null;
            } else {
                Object request = ((List) requests).get(Integer.parseInt(secondstr));
                return request;
            }
        } else if (requests.getClass().isArray()) {
            if (isSet) {
                Object[] arr = (Object[]) requests;
                Array.set(arr, Integer.parseInt(secondstr), value);
                return null;
            } else {
                Object[] arr = (Object[]) requests;
                return Array.get(arr, Integer.parseInt(secondstr));
            }
        } else {
            return null;
        }
    }
}

From source file:org.apache.myfaces.shared_impl.renderkit._SharedRendererUtils.java

static Object getConvertedUISelectManyValue(FacesContext facesContext, UISelectMany component,
        String[] submittedValue) throws ConverterException {
    // Attention!
    // This code is duplicated in jsfapi component package.
    // If you change something here please do the same in the other class!

    if (submittedValue == null)
        throw new NullPointerException("submittedValue");

    ValueBinding vb = component.getValueBinding("value");
    Class valueType = null;/*from   w  w w .  j  a v a2  s.c o m*/
    Class arrayComponentType = null;
    if (vb != null) {
        valueType = vb.getType(facesContext);
        if (valueType != null && valueType.isArray()) {
            arrayComponentType = valueType.getComponentType();
        }
    }

    Converter converter = component.getConverter();
    if (converter == null) {
        if (valueType == null) {
            // No converter, and no idea of expected type
            // --> return the submitted String array
            return submittedValue;
        }

        if (List.class.isAssignableFrom(valueType)) {
            // expected type is a List
            // --> according to javadoc of UISelectMany we assume that the element type
            //     is java.lang.String, and copy the String array to a new List
            int len = submittedValue.length;
            List lst = new ArrayList(len);
            for (int i = 0; i < len; i++) {
                lst.add(submittedValue[i]);
            }
            return lst;
        }

        if (arrayComponentType == null) {
            throw new IllegalArgumentException("ValueBinding for UISelectMany must be of type List or Array");
        }

        if (String.class.equals(arrayComponentType))
            return submittedValue; //No conversion needed for String type
        if (Object.class.equals(arrayComponentType))
            return submittedValue; //No conversion for Object class

        try {
            converter = facesContext.getApplication().createConverter(arrayComponentType);
        } catch (FacesException e) {
            log(facesContext, "No Converter for type " + arrayComponentType.getName() + " found", e);
            return submittedValue;
        }
        if (converter == null) {
            log(facesContext, "No Converter for type " + arrayComponentType.getName() + " found.", null);
            return submittedValue;
        }
    }

    // Now, we have a converter...
    // We determine the type of the component array after converting one of it's elements
    if (vb != null) {
        valueType = vb.getType(facesContext);
        if (valueType != null && valueType.isArray()) {
            if (submittedValue.length > 0) {
                arrayComponentType = converter.getAsObject(facesContext, component, submittedValue[0])
                        .getClass();
            }
        }
    }

    if (valueType == null) {
        // ...but have no idea of expected type
        // --> so let's convert it to an Object array
        int len = submittedValue.length;
        Object[] convertedValues = (Object[]) Array
                .newInstance(arrayComponentType == null ? Object.class : arrayComponentType, len);
        for (int i = 0; i < len; i++) {
            convertedValues[i] = converter.getAsObject(facesContext, component, submittedValue[i]);
        }
        return convertedValues;
    }

    if (List.class.isAssignableFrom(valueType)) {
        // Curious case: According to specs we should assume, that the element type
        // of this List is java.lang.String. But there is a Converter set for this
        // component. Because the user must know what he is doing, we will convert the values.
        int len = submittedValue.length;
        List lst = new ArrayList(len);
        for (int i = 0; i < len; i++) {
            lst.add(converter.getAsObject(facesContext, component, submittedValue[i]));
        }
        return lst;
    }

    if (arrayComponentType == null) {
        throw new IllegalArgumentException("ValueBinding for UISelectMany must be of type List or Array");
    }

    if (arrayComponentType.isPrimitive()) {
        //primitive array
        int len = submittedValue.length;
        Object convertedValues = Array.newInstance(arrayComponentType, len);
        for (int i = 0; i < len; i++) {
            Array.set(convertedValues, i, converter.getAsObject(facesContext, component, submittedValue[i]));
        }
        return convertedValues;
    } else {
        //Object array
        int len = submittedValue.length;
        ArrayList convertedValues = new ArrayList(len);
        for (int i = 0; i < len; i++) {
            convertedValues.add(i, converter.getAsObject(facesContext, component, submittedValue[i]));
        }
        return convertedValues.toArray((Object[]) Array.newInstance(arrayComponentType, len));
    }
}

From source file:net.sf.json.JSONDynaBean.java

/**
 * DOCUMENT ME!/*from w ww .ja  v  a  2  s .com*/
 *
 * @param name DOCUMENT ME!
 * @param index DOCUMENT ME!
 * @param value DOCUMENT ME!
 */
public void set(String name, int index, Object value) {
    Object prop = dynaValues.get(name);

    if (prop == null) {
        throw new NullPointerException("Unindexed property name: " + name + " index: " + index);
    } else if (!(prop instanceof List) || !(prop.getClass().isArray())) {
        throw new IllegalArgumentException("Non-Indexed property name: " + name + " index: " + index);
    }

    if (prop.getClass().isArray()) {
        Array.set(prop, index, value);
    } else if (value instanceof List) {
        ((List) prop).set(index, value);
    }
}

From source file:ro.pippo.csv.CsvEngine.java

@Override
@SuppressWarnings("unchecked")
public <T> T fromString(String content, Class<T> classOfT) {
    if (!classOfT.isArray()) {
        if (Collection.class.isAssignableFrom(classOfT)) {
            // Collections are NOT supported for deserialization from CSV
            throw new RuntimeException("Collection types are not supported. Please specify an array[] type.");
        }// w  w w. ja  v  a  2 s.co m
        throw new RuntimeException(
                String.format("Array[] types are required. Please specify %s[]", classOfT.getName()));
    }

    Class<?> objectType = classOfT.getComponentType();
    int currentLine = 0;
    try (CSVParser parser = new CSVParser(new StringReader(content), getCSVFormat().withHeader())) {
        Set<String> columns = parser.getHeaderMap().keySet();
        Map<String, Field> fieldMap = getFieldMap(objectType);

        Constructor<?> objectConstructor;
        try {
            objectConstructor = objectType.getConstructor();
        } catch (NoSuchMethodException e) {
            throw new RuntimeException("A default constructor is required for " + objectType.getName());
        }

        List objects = new ArrayList<>();
        for (CSVRecord record : parser) {
            currentLine++;

            Object o = objectConstructor.newInstance();
            for (String column : columns) {
                Field field = fieldMap.get(caseSensitiveFieldNames ? column : column.toLowerCase());
                String value = record.get(column);
                Object object = objectFromString(value, field.getType());
                field.set(o, object);
            }

            objects.add(o);
        }

        Object array = Array.newInstance(objectType, objects.size());
        for (int i = 0; i < objects.size(); i++) {
            Array.set(array, i, objects.get(i));
        }

        return (T) array;
    } catch (Exception e) {
        throw new RuntimeException("Failed to parse CSV near line #" + currentLine, e);
    }
}

From source file:org.primeframework.mvc.parameter.convert.AbstractAnnotationConverter.java

/**
 * This performs the conversion from a single String value to an array of the given type.
 *
 * @param annotation        The annotation from the field.
 * @param value             The value to convert to an array.
 * @param convertTo         The array type to convert to.
 * @param dynamicAttributes The dynamic attributes used to assist in conversion.
 * @param expression        The full path to the expression that is causing the conversion.
 * @return The converted value./*from   w ww .ja  v  a  2 s.  c om*/
 * @throws ConversionException     If the conversion failed.
 * @throws ConverterStateException if the converter didn't have all of the information it needed to perform the
 *                                 conversion.
 */
protected Object stringToArray(T annotation, String value, Type convertTo,
        Map<String, String> dynamicAttributes, String expression) throws ConversionException {
    if (value == null) {
        return null;
    }

    Object finalArray;
    Class<?> rawType = TypeTools.rawType(convertTo);
    if (StringUtils.isBlank(value)) {
        finalArray = Array.newInstance(rawType.getComponentType(), 0);
    } else {
        String[] parts = value.split(",");
        finalArray = Array.newInstance(rawType.getComponentType(), parts.length);
        for (int i = 0; i < parts.length; i++) {
            Object singleValue = stringToObject(annotation, parts[i], rawType.getComponentType(),
                    dynamicAttributes, expression);
            Array.set(finalArray, i, singleValue);
        }
    }

    return finalArray;
}

From source file:org.apache.hawq.pxf.plugins.hdfs.WritableResolver.java

/**
 * Sets customWritable fields and creates a OneRow object.
 *///from  www.  ja v  a 2  s .c o m
@Override
public OneRow setFields(List<OneField> record) throws Exception {
    Writable key = null;

    int colIdx = 0;
    for (Field field : fields) {
        /*
         * extract recordkey based on the column descriptor type
         * and add to OneRow.key
         */
        if (colIdx == recordkeyIndex) {
            key = recordkeyAdapter.convertKeyValue(record.get(colIdx).val);
            colIdx++;
        }

        if (Modifier.isPrivate(field.getModifiers())) {
            continue;
        }

        String javaType = field.getType().getName();
        convertJavaToGPDBType(javaType);
        if (isArray(javaType)) {
            Object value = field.get(userObject);
            int length = Array.getLength(value);
            for (int j = 0; j < length; j++, colIdx++) {
                Array.set(value, j, record.get(colIdx).val);
            }
        } else {
            field.set(userObject, record.get(colIdx).val);
            colIdx++;
        }
    }

    return new OneRow(key, userObject);
}

From source file:org.nabucco.alfresco.enhScriptEnv.common.script.converter.general.ArrayConverter.java

protected Object convertToArray(final Object value, final ValueConverter globalDelegate,
        final Class<?> expectedClass, final boolean toScript) {
    final Object result;
    final Class<?> valueClass = value.getClass();
    if (valueClass.isArray()) {
        final Object arr = Array.newInstance(expectedClass.getComponentType(), Array.getLength(value));

        for (int idx = 0; idx < Array.getLength(value); idx++) {
            final Object converted = toScript
                    ? globalDelegate.convertValueForScript(Array.get(value, idx),
                            expectedClass.getComponentType())
                    : globalDelegate.convertValueForJava(Array.get(value, idx),
                            expectedClass.getComponentType());
            Array.set(arr, idx, converted);
        }/*from  www  .ja  va2s  .  co m*/
        result = arr;
    } else {
        final Collection<?> coll;
        if (value instanceof Collection<?>) {
            coll = (Collection<?>) value;
        } else {
            final List<Object> list = new ArrayList<Object>();
            final Iterator<?> it = (Iterator<?>) value;
            while (it.hasNext()) {
                list.add(it.next());
            }
            coll = list;
        }

        final Object arr = Array.newInstance(expectedClass.getComponentType(), coll.size());
        final Iterator<?> it = coll.iterator();
        for (int idx = 0; it.hasNext(); idx++) {
            final Object converted = toScript
                    ? globalDelegate.convertValueForScript(it.next(), expectedClass.getComponentType())
                    : globalDelegate.convertValueForJava(it.next(), expectedClass.getComponentType());
            Array.set(arr, idx, converted);
        }
        result = arr;
    }
    return result;
}

From source file:org.droidparts.inner.converter.ArrayCollectionConverter.java

private final <T> Object parseTypeArr(Converter<T> converter, Class<T> valType, String[] arr) throws Exception {
    Object objArr = Array.newInstance(valType, arr.length);
    for (int i = 0; i < arr.length; i++) {
        T item = converter.parseFromString(valType, null, null, arr[i]);
        Array.set(objArr, i, item);
    }//from w ww. j  a v  a 2  s.c  om
    return objArr;
}

From source file:com.medallia.spider.api.DynamicInputImpl.java

/**
 * @param rt some kind of array class//from   w w  w  .  j a  v  a 2s. c o m
 * @param data null, String or String[]
 * @return parsed data as per parseSingleValue
 * @throws AssertionError if parseSingleValue does
 */
private Object parseMultiValue(Class<?> rt, Object data, AnnotatedElement anno) throws AssertionError {
    String[] xs;
    // normalize the zero-and-one cases
    if (data == null) {
        xs = new String[0];
    } else if (data instanceof String[]) {
        xs = (String[]) data;
    } else {
        xs = new String[] { data.toString() };
    }

    Class<?> comp = rt.getComponentType();
    Object arr = Array.newInstance(rt.getComponentType(), xs.length);
    for (int i = 0; i < xs.length; i++) {
        Array.set(arr, i, parseSingleValue(comp, xs[i], anno, inputArgParsers));
    }
    return arr;
}