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:SystemUtils.java

public static Object[] CombineArrays(Object[] arr1, Object[] arr2) {
    Object[] combinedArr = null;//from  ww w. jav a 2 s. c  om
    Class arrClass;
    int arr1Len, arr2Len, totalLen;

    if (arr1 != null || arr2 != null) {
        if (arr1 != null) {
            arrClass = arr1.getClass();
        } else {
            arrClass = arr2.getClass();
        }

        arr1Len = (arr1 != null ? arr1.length : 0);
        arr2Len = (arr2 != null ? arr2.length : 0);

        totalLen = arr1Len + arr2Len;

        combinedArr = (Object[]) Array.newInstance(arrClass.getComponentType(), totalLen);

        if (arr1Len > 0) {
            System.arraycopy(arr1, 0, combinedArr, 0, arr1Len);
        }

        if (arr2Len > 0) {
            System.arraycopy(arr2, 0, combinedArr, arr1Len, arr2Len);
        }
    }

    return combinedArr;
}

From source file:org.apache.axis2.jaxws.runtime.description.marshal.impl.PackageSetBuilder.java

/**
 * Return the package associated with the class name.  The className may not be specified (in
 * which case a null Package is returned). if class has unnamed package return ""
 *
 * @param cls Class/*from  w w w  . j  av  a 2s.c o m*/
 * @return String or null 
 */
public static String getPackageFromClass(Class cls) {
    String pkgName = null;
    if (cls == null) {
        pkgName = null;
    } else if (cls.isArray()) {
        pkgName = getPackageFromClass(cls.getComponentType());
    } else if (cls.isPrimitive()) {
        pkgName = null;
    } else {
        pkgName = (cls.getPackage() == null) ? "" : cls.getPackage().getName();
    }
    return pkgName;
}

From source file:info.novatec.testit.livingdoc.converter.ArrayConverter.java

@Override
public boolean canConvertTo(Class<?> type) {
    return isArray(type) && TypeConversion.supports(type.getComponentType())
            && !type.getComponentType().isPrimitive();
}

From source file:com.silverwrist.dynamo.app.ApplicationContainer.java

private static final Class getUltimateComponent(Class klass) {
    while (klass.isArray())
        klass = klass.getComponentType();
    return klass;

}

From source file:jef.tools.ArrayUtils.java

/**
 * ?//from  ww  w .j av  a2 s.c om
 * 
 * @param obj
 * @param containerType
 * @return
 */
@SuppressWarnings("unchecked")
public static <T> T[] toObject(Object obj, Class<T> containerType) {
    Class<?> c = obj.getClass();
    Assert.isTrue(c.isArray());
    Class<?> priType = c.getComponentType();
    if (priType == containerType) {
        return (T[]) obj;
    }
    return cast(toObject(obj), containerType);
}

From source file:jef.tools.ArrayUtils.java

/**
 * ??/*  ww  w  . j  av a  2  s  .  c  om*/
 * 
 * @param objs
 * @return
 */
public static Object toPrimitive(Object[] obj) {
    Class<?> c = obj.getClass();
    Assert.isTrue(c.isArray());
    Class<?> objType = c.getComponentType();
    if (objType == Boolean.class) {
        return toPrimitive((Boolean[]) obj);
    } else if (objType == Byte.class) {
        return toPrimitive((Byte[]) obj);
    } else if (objType == Character.class) {
        return toPrimitive((Character[]) obj);
    } else if (objType == Integer.class) {
        return toPrimitive((Integer[]) obj);
    } else if (objType == Long.class) {
        return toPrimitive((Long[]) obj);
    } else if (objType == Float.class) {
        return toPrimitive((Float[]) obj);
    } else if (objType == Double.class) {
        return toPrimitive((Double[]) obj);
    } else if (objType == Short.class) {
        return toPrimitive((Short[]) obj);
    } else {
        throw new IllegalArgumentException();
    }
}

From source file:jef.tools.ArrayUtils.java

/**
 * ?//  w  ww.ja  va 2 s  . com
 * 
 * @param obj
 * @return
 */
public static Object[] toObject(Object obj) {
    Class<?> c = obj.getClass();
    Assert.isTrue(c.isArray());
    Class<?> priType = c.getComponentType();
    if (!priType.isPrimitive())
        return (Object[]) obj;
    if (priType == Boolean.TYPE) {
        return toObject((boolean[]) obj);
    } else if (priType == Byte.TYPE) {
        return toObject((byte[]) obj);
    } else if (priType == Character.TYPE) {
        return toObject((char[]) obj);
    } else if (priType == Integer.TYPE) {
        return toObject((int[]) obj);
    } else if (priType == Long.TYPE) {
        return toObject((long[]) obj);
    } else if (priType == Float.TYPE) {
        return toObject((float[]) obj);
    } else if (priType == Double.TYPE) {
        return toObject((double[]) obj);
    } else if (priType == Short.TYPE) {
        return toObject((short[]) obj);
    }
    throw new IllegalArgumentException();
}

From source file:org.eclipse.wb.internal.swing.databinding.model.generic.GenericUtils.java

private static IGenericType getObjectType(ClassLoader classLoader, ITypeBinding binding) throws Exception {
    Class<?> rawType = ReflectionUtils.getClassByName(classLoader,
            AstNodeUtils.getFullyQualifiedName(binding, true));
    String typeName = null;/*  w  ww. ja  v  a2s.  c  o  m*/
    if (binding instanceof DesignerTypeBinding) {
        // none
    } else if (binding.isWildcardType() && binding.getBound() == null) {
        return ClassGenericType.WILDCARD;
    } else {
        typeName = resolveTypeName(binding);
        if (binding.isParameterizedType()) {
            GenericTypeContainer genericType = new GenericTypeContainer(rawType);
            for (ITypeBinding subBinding : binding.getTypeArguments()) {
                genericType.getSubTypes().add(getObjectType(classLoader, subBinding));
            }
            return genericType;
        }
        if (binding.isArray() && rawType.isArray() && !rawType.getComponentType().isPrimitive()) {
            GenericTypeContainer genericType = new GenericTypeContainer(rawType, binding.getDimensions());
            genericType.getSubTypes().add(getObjectType(classLoader, binding.getElementType()));
            return genericType;
        }
    }
    return new ClassGenericType(rawType, typeName, null);
}

From source file:org.code_house.service.jolokia.Jolokia.java

private Object map(Class<?> type, Object value) {
    if (type.isArray()) {
        JSONArray array = (JSONArray) value;
        Object[] javaArray = (Object[]) Array.newInstance(type.getComponentType(), array.size());
        int index = 0;
        for (Object o : array) {
            Array.set(javaArray, index++, map(type.getComponentType(), o));
        }/*from   w w w  .j a va 2 s .  co m*/
        return javaArray;
    } else if (String.class.equals(type)) {
        return (String) value;
    }
    return null;
}

From source file:springfox.documentation.swagger.readers.parameter.ParameterMultiplesReader.java

@Override
public void apply(ParameterContext context) {

    MethodParameter methodParameter = context.methodParameter();
    ApiParam apiParam = methodParameter.getParameterAnnotation(ApiParam.class);

    Boolean allowMultiple;/*from www  .j  av  a  2 s .  co  m*/
    Class<?> parameterType = methodParameter.getParameterType();
    if (null != apiParam && !(parameterType != null && parameterType.isArray()
            && parameterType.getComponentType().isEnum())) {
        allowMultiple = apiParam.allowMultiple();
        context.parameterBuilder().allowMultiple(allowMultiple);
    }
}