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The ACT full stack MVC framework
package act.data;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* 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.
* #L%
*/
import org.osgl.mvc.util.Binder;
import org.osgl.mvc.util.ParamValueProvider;
import org.osgl.storage.ISObject;
import org.osgl.util.C;
import org.osgl.util.IO;
import java.util.List;
import static act.data.annotation.ReadContent.ATTR_MERCY;
/**
* Read content lines from resource URL
*/
public class ContentLinesBinder extends Binder> {
public static final ContentLinesBinder INSTANCE = new ContentLinesBinder();
@Override
public List resolve(List bean, String model, ParamValueProvider params) {
try {
ISObject sobj = SObjectBinder.INSTANCE.resolve(null, model, params);
return null == sobj ? fallBack(model, params) : IO.readLines(sobj.asInputStream());
} catch (Exception e) {
return fallBack(model, params);
}
}
private List fallBack(String model, ParamValueProvider params) {
Boolean mercy = attribute(ATTR_MERCY);
if (null == mercy) {
mercy = false;
}
if (mercy) {
String val = params.paramVal(model);
return null == val ? C.list() : C.list(val);
}
return C.list();
}
}