groovy.json.JsonDelegate.groovy Maven / Gradle / Ivy
/*
* Copyright 2003-2012 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 groovy.json
/**
* Utility class used as delegate of closures representing JSON objects.
*
* @author Guillaume Laforge
* @since 1.8.0
*/
class JsonDelegate {
def content = [:]
/**
* Intercepts calls for setting a key and value for a JSON object
*
* @param name the key name
* @param args the value associated with the key
*/
def invokeMethod(String name, Object args) {
if (args) {
content[name] = args.size() == 1 ? args[0] : args.toList()
}
}
/**
* Factory method for creating JsonDelegates from closures.
*
* @param c closure representing JSON objects
* @return an instance of JsonDelegate
*/
static cloneDelegateAndGetContent(Closure c) {
def delegate = new JsonDelegate()
Closure cloned = c.clone()
cloned.delegate = delegate
cloned.resolveStrategy = Closure.DELEGATE_FIRST
cloned()
return delegate.content
}
}