/*
 * Copyright 2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.gradle.api.internal.project.taskfactory;

import org.gradle.api.file.FileCollection;
import org.gradle.api.internal.TaskInternal;
import org.gradle.api.tasks.Input;

import java.io.File;
import java.lang.annotation.Annotation;
import java.util.concurrent.Callable;

public class InputPropertyAnnotationHandler implements PropertyAnnotationHandler {
    public Class<? extends Annotation> getAnnotationType() {
        return Input.class;
    }

    public void attachActions(final TaskPropertyActionContext context) {
        context.setConfigureAction(new UpdateAction() {
            public void update(TaskInternal task, Callable<Object> futureValue) {
                task.getInputs().property(context.getName(), futureValue);
            }
        });
        Class<?> valueType = context.getValueType();
        if (File.class.isAssignableFrom(valueType)
            || FileCollection.class.isAssignableFrom(valueType)) {
            context.validationMessage("has @Input annotation used on property of type " + valueType.getName());
        }
    }

}