/*
* Copyright (C) 2013 salesforce.com, inc.
*
* 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.auraframework.renderer;
import java.io.IOException;
import java.util.List;
import org.auraframework.Aura;
import org.auraframework.def.ComponentDefRef;
import org.auraframework.def.Renderer;
import org.auraframework.instance.BaseComponent;
import org.auraframework.instance.Component;
import org.auraframework.instance.Wrapper;
import org.auraframework.service.RenderingService;
import org.auraframework.throwable.quickfix.QuickFixException;
/**
*/
public class ExpressionRenderer implements Renderer {
@Override
public void render(BaseComponent<?, ?> component, Appendable out) throws IOException, QuickFixException {
RenderingService renderingService = Aura.getRenderingService();
Object value = component.getAttributes().getValue("value");
if (value instanceof Wrapper) {
value = ((Wrapper) value).unwrap();
}
if (value instanceof String) {
out.append((String) value);
} else if (value instanceof List) {
List<?> kids = (List<?>) value;
for (Object kid : kids) {
if (kid instanceof BaseComponent) {
renderingService.render((BaseComponent<?, ?>) kid, out);
} else if (kid instanceof ComponentDefRef) {
Component cmp = ((ComponentDefRef) kid).newInstance(component);
renderingService.render(cmp, out);
}
}
} else if (value != null) {
out.append(value.toString());
}
}
}