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IndexedPropertyDescriptor.javaAPI DocAndroid 1.5 API8877Wed May 06 22:41:54 BST 2009java.beans

IndexedPropertyDescriptor

public class IndexedPropertyDescriptor extends PropertyDescriptor

Fields Summary
private Method
indexedGetter
private Method
indexedSetter
Constructors Summary
public IndexedPropertyDescriptor(String propertyName, Class beanClass, String getterName, String setterName, String indexedGetterName, String indexedSetterName)

        super(propertyName, beanClass, getterName, setterName);

        // RI behaves like this
        if (indexedGetterName == null && indexedSetterName == null &&
                (getterName != null || setterName != null)) {
            throw new IntrospectionException(Messages.getString("beans.50"));
        }
        setIndexedReadMethod(beanClass, indexedGetterName);
        setIndexedWriteMethod(beanClass, indexedSetterName);
public IndexedPropertyDescriptor(String propertyName, Method getter, Method setter, Method indexedGetter, Method indexedSetter)

        super(propertyName, getter, setter);
        
        // we need this in order to be compatible with RI
        if (indexedGetter == null && indexedSetter == null &&
                (getter != null || setter != null)) {
            throw new IntrospectionException(Messages.getString("beans.50"));
        }
        setIndexedReadMethod(indexedGetter);
        setIndexedWriteMethod(indexedSetter);
public IndexedPropertyDescriptor(String propertyName, Class beanClass)

        super(propertyName, beanClass, null, null);
        String getterName;
        String setterName;
        String indexedGetterName;
        String indexedSetterName;

        // array getter
        getterName = createDefaultMethodName(propertyName, "get"); //$NON-NLS-1$
        if (hasMethod(beanClass, getterName)) {
            setReadMethod(beanClass, getterName);
        }
        // array setter
        setterName = createDefaultMethodName(propertyName, "set"); //$NON-NLS-1$
        if (hasMethod(beanClass, setterName)) {
            setWriteMethod(beanClass, setterName);
        }
        // indexed getter
        indexedGetterName = createDefaultMethodName(propertyName, "get"); //$NON-NLS-1$
        if (hasMethod(beanClass, indexedGetterName)) {
            setIndexedReadMethod(beanClass, indexedGetterName);
        }
        // indexed setter
        indexedSetterName = createDefaultMethodName(propertyName, "set"); //$NON-NLS-1$
        if (hasMethod(beanClass, indexedSetterName)) {
            setIndexedWriteMethod(beanClass, indexedSetterName);
        }
        // RI seems to behave a bit differently
        if (indexedGetter == null && indexedSetter == null &&
                getReadMethod() == null && getWriteMethod() == null) {
            throw new IntrospectionException(
                    Messages.getString("beans.01", propertyName)); //$NON-NLS-1$
        }
        if (indexedGetter == null && indexedSetter == null) {
            // not an indexed property indeed
            throw new IntrospectionException(Messages.getString("beans.50"));
        }
Methods Summary
public booleanequals(java.lang.Object obj)

        boolean result = super.equals(obj);
        
        if (result) {
            IndexedPropertyDescriptor pd = (IndexedPropertyDescriptor) obj;
    
            if (indexedGetter != null) {
                result = indexedGetter.equals(pd.getIndexedReadMethod());
            } else if (result && indexedGetter == null) {
                result = pd.getIndexedReadMethod() == null;
            }
                
            if (result) {
                if (indexedSetter != null) {
                    result = indexedSetter.equals(pd.getIndexedWriteMethod());
                } else if (indexedSetter == null) {
                    result = pd.getIndexedWriteMethod() == null;
                }
            }
        }
            
        return result;
public java.lang.ClassgetIndexedPropertyType()

        Class<?> result = null;

        if (indexedGetter != null) {
            result = indexedGetter.getReturnType();
        } else if (indexedSetter != null) {
            Class<?>[] parameterTypes = indexedSetter.getParameterTypes();

            result = parameterTypes[1];
        }
        return result;
public java.lang.reflect.MethodgetIndexedReadMethod()

        return indexedGetter;
public java.lang.reflect.MethodgetIndexedWriteMethod()

        return indexedSetter;
private voidsetIndexedReadMethod(java.lang.Class beanClass, java.lang.String indexedGetterName)

        Method[] getters = findMethods(beanClass, indexedGetterName);
        boolean result = false;

        for (Method element : getters) {
            try {
                setIndexedReadMethod(element);
                result = true;
            } catch (IntrospectionException ie) {}

            if (result) {
                break;
            }
        }
public voidsetIndexedReadMethod(java.lang.reflect.Method indexedGetter)

        if (indexedGetter != null) {
            int modifiers = indexedGetter.getModifiers();
            Class<?>[] parameterTypes;
            Class<?> returnType;
            Class<?> indexedPropertyType;

            if (!Modifier.isPublic(modifiers)) {
                throw new IntrospectionException(Messages.getString("beans.21")); //$NON-NLS-1$
            }
            parameterTypes = indexedGetter.getParameterTypes();
            if (parameterTypes.length != 1) {
                throw new IntrospectionException(Messages.getString("beans.22")); //$NON-NLS-1$
            }
            if (!parameterTypes[0].equals(int.class)) {
                throw new IntrospectionException(Messages.getString("beans.23")); //$NON-NLS-1$
            }
            returnType = indexedGetter.getReturnType();
            indexedPropertyType = getIndexedPropertyType();
            if ((indexedPropertyType != null) && !returnType.equals(indexedPropertyType)) {
                throw new IntrospectionException(Messages.getString("beans.24")); //$NON-NLS-1$
            }
        }
        this.indexedGetter = indexedGetter;
private voidsetIndexedWriteMethod(java.lang.Class beanClass, java.lang.String indexedSetterName)

        Method[] setters = findMethods(beanClass, indexedSetterName);
        boolean result = false;

        for (Method element : setters) {
            try {
                setIndexedWriteMethod(element);
                result = true;
            } catch (IntrospectionException ie) {}

            if (result) {
                break;
            }
        }
public voidsetIndexedWriteMethod(java.lang.reflect.Method indexedSetter)

        if (indexedSetter != null) {
            int modifiers = indexedSetter.getModifiers();
            Class<?>[] parameterTypes;
            Class<?> firstParameterType;
            Class<?> secondParameterType;
            Class<?> propType;

            if (!Modifier.isPublic(modifiers)) {
                throw new IntrospectionException(Messages.getString("beans.25")); //$NON-NLS-1$
            }
            parameterTypes = indexedSetter.getParameterTypes();
            if (parameterTypes.length != 2) {
                throw new IntrospectionException(Messages.getString("beans.26")); //$NON-NLS-1$
            }
            firstParameterType = parameterTypes[0];
            if (!firstParameterType.equals(int.class)) {
                throw new IntrospectionException(Messages.getString("beans.27")); //$NON-NLS-1$
            }
            secondParameterType = parameterTypes[1];
            propType = getIndexedPropertyType();
            if (propType != null && !secondParameterType.equals(propType)) {
                throw new IntrospectionException(Messages.getString("beans.28")); //$NON-NLS-1$
            }
        }
        this.indexedSetter = indexedSetter;