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

Example 66 with Closure

use of groovy.lang.Closure in project groovy-core by groovy.

the class DefaultTypeTransformation method continueCastOnSAM.

private static Object continueCastOnSAM(Object object, Class type) {
    if (object instanceof Closure) {
        Method m = CachedSAMClass.getSAMMethod(type);
        if (m != null) {
            return CachedSAMClass.coerceToSAM((Closure) object, m, type, type.isInterface());
        }
    }
    Object[] args = null;
    if (object instanceof Collection) {
        // let's try invoke the constructor with the list as arguments
        // such as for creating a Dimension, Point, Color etc.
        Collection collection = (Collection) object;
        args = collection.toArray();
    } else if (object instanceof Object[]) {
        args = (Object[]) object;
    } else if (object instanceof Map) {
        // emulate named params constructor
        args = new Object[1];
        args[0] = object;
    }
    Exception nested = null;
    if (args != null) {
        try {
            return InvokerHelper.invokeConstructorOf(type, args);
        } catch (InvokerInvocationException iie) {
            throw iie;
        } catch (GroovyRuntimeException e) {
            if (e.getMessage().contains("Could not find matching constructor for")) {
                try {
                    return InvokerHelper.invokeConstructorOf(type, object);
                } catch (InvokerInvocationException iie) {
                    throw iie;
                } catch (Exception ex) {
                    // let's ignore exception and return the original object
                    // as the caller has more context to be able to throw a more
                    // meaningful exception (but stash to get message later)
                    nested = e;
                }
            } else {
                nested = e;
            }
        } catch (Exception e) {
            // let's ignore exception and return the original object
            // as the caller has more context to be able to throw a more
            // meaningful exception (but stash to get message later)
            nested = e;
        }
    }
    GroovyCastException gce;
    if (nested != null) {
        gce = new GroovyCastException(object, type, nested);
    } else {
        gce = new GroovyCastException(object, type);
    }
    throw gce;
}

Example 67 with Closure

use of groovy.lang.Closure in project groovy-core by groovy.

the class ClosureStaticMetaMethod method invoke.

public Object invoke(Object object, Object[] arguments) {
    Closure cloned = (Closure) callable.clone();
    cloned.setDelegate(object);
    return cloned.call(arguments);
}

Example 68 with Closure

use of groovy.lang.Closure in project groovy-core by groovy.

the class AbstractTypeCheckingExtension method scopeExit.

public TypeCheckingScope scopeExit(Closure code) {
    TypeCheckingScope scope = scopeData.peek();
    Closure copy = code.rehydrate(scope, this, this);
    copy.call();
    return scopeExit();
}

Example 69 with Closure

use of groovy.lang.Closure in project groovy-core by groovy.

the class AbstractTypeCheckingExtension method newScope.

public TypeCheckingScope newScope(Closure code) {
    TypeCheckingScope scope = newScope();
    Closure callback = code.rehydrate(scope, this, this);
    callback.call();
    return scope;
}

Example 70 with Closure

use of groovy.lang.Closure in project groovy-core by groovy.

the class GroovyTypeCheckingExtensionSupport method handleUnresolvedAttribute.

@Override
public boolean handleUnresolvedAttribute(final AttributeExpression aexp) {
    setHandled(false);
    List<Closure> list = eventHandlers.get("handleUnresolvedAttribute");
    if (list != null) {
        for (Closure closure : list) {
            safeCall(closure, aexp);
        }
    }
    return handled;
}