Example usage for java.lang Class getComponentType

Introduction

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

Prototype

public Class<?> getComponentType() 

Source Link

Document

Returns the Class representing the component type of an array.

Usage

From source file:com.haulmont.restapi.service.QueriesControllerManager.java

protected Object toObject(Class clazz, String value) throws ParseException {
    if (clazz.isArray()) {
        Class componentType = clazz.getComponentType();
        JsonParser jsonParser = new JsonParser();
        JsonArray jsonArray = jsonParser.parse(value).getAsJsonArray();
        List result = new ArrayList();
        for (JsonElement jsonElement : jsonArray) {
            String stringValue = (jsonElement.isJsonPrimitive() && jsonElement.getAsJsonPrimitive().isString())
                    ? jsonElement.getAsJsonPrimitive().getAsString()
                    : jsonElement.toString();
            Object arrayElementValue = toObject(componentType, stringValue);
            result.add(arrayElementValue);
        }/* ww  w  .jav a  2s  . c  o  m*/
        return result;
    }
    if (String.class == clazz)
        return value;
    if (Integer.class == clazz || Integer.TYPE == clazz || Byte.class == clazz || Byte.TYPE == clazz
            || Short.class == clazz || Short.TYPE == clazz)
        return Datatypes.getNN(Integer.class).parse(value);
    if (Date.class == clazz) {
        try {
            return Datatypes.getNN(Date.class).parse(value);
        } catch (ParseException e) {
            try {
                return Datatypes.getNN(java.sql.Date.class).parse(value);
            } catch (ParseException e1) {
                return Datatypes.getNN(Time.class).parse(value);
            }
        }
    }
    if (BigDecimal.class == clazz)
        return Datatypes.getNN(BigDecimal.class).parse(value);
    if (Boolean.class == clazz || Boolean.TYPE == clazz)
        return Datatypes.getNN(Boolean.class).parse(value);
    if (Long.class == clazz || Long.TYPE == clazz)
        return Datatypes.getNN(Long.class).parse(value);
    if (Double.class == clazz || Double.TYPE == clazz || Float.class == clazz || Float.TYPE == clazz)
        return Datatypes.getNN(Double.class).parse(value);
    if (UUID.class == clazz)
        return UUID.fromString(value);
    throw new IllegalArgumentException("Parameters of type " + clazz.getName() + " are not supported");
}

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From source file:com.laxser.blitz.lama.provider.jdbc.PreparedStatementCallbackReturnId.java

public PreparedStatementCallbackReturnId(PreparedStatementSetter setter, Class<?> returnType) {
    this.setter = setter;
    if (returnType.isPrimitive()) {
        returnType = ClassUtils.primitiveToWrapper(returnType);
    }/*from w ww.j a va 2 s .co  m*/
    this.returnType = returnType;
    Class<?> idType = returnType;
    if (returnType.isArray()) {
        idType = returnType.getComponentType();
    }
    this.idType = idType;
    if (idType.isPrimitive()) {
        idType = ClassUtils.primitiveToWrapper(idType);
    }
    this.wrappedIdType = idType;
    this.mapper = new SingleColumnRowMapper(idType);
    if (wrappedIdType != Integer.class && wrappedIdType != Long.class) {
        throw new IllegalArgumentException(
                "wrong return type(int/long type or its array type only): " + returnType);
    }
}

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From source file:org.apache.sling.models.impl.injectors.OSGiServiceInjector.java

private Object getValue(Object adaptable, Type type, String filterString,
        DisposalCallbackRegistry callbackRegistry) {
    if (type instanceof Class) {
        Class<?> injectedClass = (Class<?>) type;
        if (injectedClass.isArray()) {
            Object[] services = getServices(adaptable, injectedClass.getComponentType(), filterString,
                    callbackRegistry);/*www. j ava  2s .  c  o m*/
            if (services == null) {
                return null;
            }
            Object arr = Array.newInstance(injectedClass.getComponentType(), services.length);
            for (int i = 0; i < services.length; i++) {
                Array.set(arr, i, services[i]);
            }
            return arr;
        } else {
            return getService(adaptable, injectedClass, filterString, callbackRegistry);
        }
    } else if (type instanceof ParameterizedType) {
        ParameterizedType ptype = (ParameterizedType) type;
        if (ptype.getActualTypeArguments().length != 1) {
            return null;
        }
        Class<?> collectionType = (Class<?>) ptype.getRawType();
        if (!(collectionType.equals(Collection.class) || collectionType.equals(List.class))) {
            return null;
        }

        Class<?> serviceType = (Class<?>) ptype.getActualTypeArguments()[0];
        Object[] services = getServices(adaptable, serviceType, filterString, callbackRegistry);
        if (services == null) {
            return null;
        }
        return Arrays.asList(services);
    } else {
        log.warn("Cannot handle type {}", type);
        return null;
    }
}

---

From source file:org.al.swagger.v2.AbstractSpecCollector.java

public Object createSchemaObject(Class<?> aClass) {
    if (aClass.isArray()) {
        GenericSwaggerSchema schema = new GenericSwaggerSchema();
        schema.setType("array");
        schema.setCollectionFormat("csv");
        schema.setItems(createSchemaObject(aClass.getComponentType()));
        return schema;

    } else if (JDKPrimitiveType.isPrimitiveType(aClass)) {

        SchemaGenerator generator = SimpleTypeFactory.getInstance().getSchemaGenerator(aClass);
        if (generator != null) {
            return generator.generateSchema(aClass);
        } else {//from   ww w. ja  v  a  2s . co  m
            throw new RuntimeException("Type " + aClass + " not supporeted");

        }

    } else {

        Map<String, Object> schemaMap = new LinkedHashMap<>();

        Map<String, Object> properties = new LinkedHashMap<>();
        schemaMap.put("properties", properties);

        List<Field> fields = Stream.of(aClass.getDeclaredFields())
                .filter(f -> !f.isAnnotationPresent(JsonIgnore.class) && !Modifier.isStatic(f.getModifiers()))
                .collect(Collectors.toList());
        for (Field f : fields) {
            if (f.getName().equalsIgnoreCase("rowId")) {
                properties.put(f.getName(), SimpleTypeFactory.getInstance().getSchemaGenerator(String.class)
                        .generateSchema(String.class));
            } else {
                Object schemaObject = createSchemaObject(f.getType());
                properties.put(f.getName(), schemaObject);
            }

        }

        return schemaMap;
    }

}

---

From source file:com.jaspersoft.jasperserver.export.modules.common.DefaultReportParametersTranslator.java

protected Object toArrayValue(Class valueClass, Object[] beanValue) {
    Class componentType = valueClass.getComponentType();
    Object value;/*from   www  . j ava  2s  .  c  o  m*/
    if (beanValue == null) {
        value = Array.newInstance(componentType, 0);
    } else {
        value = Array.newInstance(componentType, beanValue.length);
        for (int i = 0; i < beanValue.length; i++) {
            Array.set(value, i, toValue(beanValue[i]));
        }
    }
    return value;
}

---

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

/**
 * {@inheritDoc}//from   w  ww . java  2  s.c  o m
 */
@Override
public boolean canConvertValueForScript(final Object value, final ValueConverter globalDelegate,
        final Class<?> expectedClass) {
    boolean canConvert = expectedClass.isArray();

    if (canConvert) {
        final Class<?> componentClass = expectedClass.getComponentType();
        if (value instanceof Iterable<?>) {
            final Collection<?> coll = (Collection<?>) value;
            for (final Object element : coll) {
                canConvert = canConvert && globalDelegate.canConvertValueForScript(element, componentClass);

                if (!canConvert) {
                    break;
                }
            }
        } else if (value.getClass().isArray()) {
            final int length = Array.getLength(value);
            for (int idx = 0; idx < length && canConvert; idx++) {
                canConvert = canConvert
                        && globalDelegate.canConvertValueForScript(Array.get(value, idx), componentClass);
            }
        } else {
            canConvert = false;
        }
    }

    return canConvert;
}

---

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

/**
 * {@inheritDoc}/*from ww  w . j  a va  2  s.c o m*/
 */
@Override
public boolean canConvertValueForJava(final Object value, final ValueConverter globalDelegate,
        final Class<?> expectedClass) {
    boolean canConvert = expectedClass.isArray();

    if (canConvert) {
        final Class<?> componentClass = expectedClass.getComponentType();
        if (value instanceof Iterable<?>) {
            final Collection<?> coll = (Collection<?>) value;
            for (final Object element : coll) {
                canConvert = canConvert && globalDelegate.canConvertValueForJava(element, componentClass);

                if (!canConvert) {
                    break;
                }
            }
        } else if (value.getClass().isArray()) {
            final int length = Array.getLength(value);
            for (int idx = 0; idx < length && canConvert; idx++) {
                canConvert = canConvert
                        && globalDelegate.canConvertValueForJava(Array.get(value, idx), componentClass);
            }
        } else {
            canConvert = false;
        }
    }

    return canConvert;
}

---

From source file:com.astamuse.asta4d.data.DefaultContextDataFinder.java

@SuppressWarnings({ "rawtypes", "unchecked" })
@Override//from ww w  .j  ava 2  s. c o m
public ContextDataHolder findDataInContext(Context context, String scope, String name, Class<?> targetType)
        throws DataOperationException {
    ContextDataHolder dataHolder = findByType(context, scope, name, targetType);

    if (dataHolder != null) {
        return dataHolder;
    }

    if (StringUtils.isEmpty(scope)) {
        dataHolder = findDataByScopeOrder(context, 0, name);
    } else {
        dataHolder = context.getDataHolder(scope, name);
    }

    if (dataHolder == null) {
        return null;
    }

    Object foundData = dataHolder.getValue();
    Object transformedData = null;
    UnsupportedValueException usve = null;

    Class<?> srcType = new TypeInfo(foundData.getClass()).getType();
    if (targetType.isAssignableFrom(srcType)) {
        transformedData = foundData;
    } else if (srcType.isArray() && targetType.isAssignableFrom(srcType.getComponentType())) {
        transformedData = Array.get(foundData, 0);
    } else if (targetType.isArray() && targetType.getComponentType().isAssignableFrom(srcType)) {
        Object array = Array.newInstance(srcType, 1);
        Array.set(array, 0, foundData);
        transformedData = array;
    } else {
        try {
            transformedData = Configuration.getConfiguration().getDataTypeTransformer().transform(srcType,
                    targetType, foundData);
        } catch (UnsupportedValueException ex) {
            usve = ex;
        }
    }
    if (usve == null) {
        dataHolder.setData(dataHolder.getName(), dataHolder.getScope(), foundData, transformedData);
    } else {
        dataHolder.setData(dataHolder.getName(), InjectUtil.ContextDataTypeUnMatchScope, foundData,
                transformedData);
    }
    return dataHolder;
}

---

From source file:com.google.feedserver.util.BeanUtil.java

public boolean isBean(Class<?> valueClass) {
    if (valueClass.isArray()) {
        return isBean(valueClass.getComponentType());
    } else if (valueClass.isPrimitive()) {
        return false;
    } else {// w ww.jav a  2s  .  co  m
        return !primitiveTypes.contains(valueClass);
    }
}

---

From source file:org.jabsorb.ng.serializer.impl.ArraySerializer.java

@Override
public ObjectMatch tryUnmarshall(final SerializerState state, final Class<?> clazz, final Object o)
        throws UnmarshallException {

    final JSONArray jso = (JSONArray) o;
    final Class<?> cc = clazz.getComponentType();
    int i = 0;//w ww . ja va 2 s. com
    final ObjectMatch m = new ObjectMatch(-1);
    state.setSerialized(o, m);
    try {
        for (; i < jso.length(); i++) {
            m.setMismatch(ser.tryUnmarshall(state, cc, jso.get(i)).max(m).getMismatch());
        }
    } catch (final UnmarshallException e) {
        throw new UnmarshallException("element " + i + " " + e.getMessage(), e);
    } catch (final JSONException e) {
        throw new UnmarshallException("element " + i + " " + e.getMessage() + " not found in json object", e);
    }
    return m;
}

---

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