Examples with MetaProperty groovy.lang.MetaProperty used on opensource projects

Example 11 with MetaProperty

use of groovy.lang.MetaProperty in project groovy by apache.

the class MixinInMetaClass method mixinClassesToMetaClass.

public static void mixinClassesToMetaClass(MetaClass self, List<Class> categoryClasses) {
    final Class selfClass = self.getTheClass();
    if (self instanceof HandleMetaClass) {
        self = (MetaClass) ((HandleMetaClass) self).replaceDelegate();
    }
    if (!(self instanceof ExpandoMetaClass)) {
        if (self instanceof DelegatingMetaClass && ((DelegatingMetaClass) self).getAdaptee() instanceof ExpandoMetaClass) {
            self = ((DelegatingMetaClass) self).getAdaptee();
        } else {
            throw new GroovyRuntimeException("Can't mixin methods to meta class: " + self);
        }
    }
    ExpandoMetaClass mc = (ExpandoMetaClass) self;
    List<MetaMethod> arr = new ArrayList<MetaMethod>();
    for (Class categoryClass : categoryClasses) {
        final CachedClass cachedCategoryClass = ReflectionCache.getCachedClass(categoryClass);
        final MixinInMetaClass mixin = new MixinInMetaClass(mc, cachedCategoryClass);
        final MetaClass metaClass = GroovySystem.getMetaClassRegistry().getMetaClass(categoryClass);
        final List<MetaProperty> propList = metaClass.getProperties();
        for (MetaProperty prop : propList) if (self.getMetaProperty(prop.getName()) == null) {
            mc.registerBeanProperty(prop.getName(), new MixinInstanceMetaProperty(prop, mixin));
        }
        for (MetaProperty prop : cachedCategoryClass.getFields()) if (self.getMetaProperty(prop.getName()) == null) {
            mc.registerBeanProperty(prop.getName(), new MixinInstanceMetaProperty(prop, mixin));
        }
        for (MetaMethod method : metaClass.getMethods()) {
            final int mod = method.getModifiers();
            if (!Modifier.isPublic(mod))
                continue;
            if (method instanceof CachedMethod && ((CachedMethod) method).getCachedMethod().isSynthetic())
                continue;
            if (Modifier.isStatic(mod)) {
                if (method instanceof CachedMethod)
                    staticMethod(self, arr, (CachedMethod) method);
            } else if (method.getDeclaringClass().getTheClass() != Object.class || method.getName().equals("toString")) {
                //                    if (self.pickMethod(method.getName(), method.getNativeParameterTypes()) == null) {
                final MixinInstanceMetaMethod metaMethod = new MixinInstanceMetaMethod(method, mixin);
                arr.add(metaMethod);
            //                    }
            }
        }
    }
    for (Object res : arr) {
        final MetaMethod metaMethod = (MetaMethod) res;
        if (metaMethod.getDeclaringClass().isAssignableFrom(selfClass))
            mc.registerInstanceMethod(metaMethod);
        else {
            mc.registerSubclassInstanceMethod(metaMethod);
        }
    }
}

Example 12 with MetaProperty

use of groovy.lang.MetaProperty in project groovy by apache.

the class ObjectGraphBuilder method resolveLazyReferences.

private void resolveLazyReferences() {
    if (!lazyReferencesAllowed)
        return;
    for (NodeReference ref : lazyReferences) {
        if (ref.parent == null)
            continue;
        Object child = null;
        try {
            child = getProperty(ref.refId);
        } catch (MissingPropertyException mpe) {
        // ignore
        }
        if (child == null) {
            throw new IllegalArgumentException("There is no valid node for reference " + ref.parentName + "." + ref.childName + "=" + ref.refId);
        }
        // set child first
        childPropertySetter.setChild(ref.parent, child, ref.parentName, relationNameResolver.resolveChildRelationName(ref.parentName, ref.parent, ref.childName, child));
        // set parent afterwards
        String propertyName = relationNameResolver.resolveParentRelationName(ref.parentName, ref.parent, ref.childName, child);
        MetaProperty metaProperty = InvokerHelper.getMetaClass(child).hasProperty(child, propertyName);
        if (metaProperty != null) {
            metaProperty.setProperty(child, ref.parent);
        }
    }
}