org.opencastproject.util.JsonVal Maven / Gradle / Ivy
/*
* Licensed to The Apereo Foundation under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
*
* The Apereo Foundation licenses this file to you under the Educational
* Community 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://opensource.org/licenses/ecl2.txt
*
* 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.opencastproject.util;
import static org.opencastproject.util.data.functions.Misc.cast;
import org.opencastproject.util.data.Function;
import java.util.List;
import java.util.Map;
public final class JsonVal {
private final Object val;
public JsonVal(Object val) {
this.val = val;
}
public A as(Function converter) {
return converter.apply(val);
}
public boolean isObj() {
return val instanceof Map;
}
public boolean isArr() {
return val instanceof List;
}
public Object get() {
return val;
}
public static final Function asString = caster(String.class);
public static final Function asInteger = caster(Integer.class);
public static final Function asLong = caster(Long.class);
public static final Function asFloat = caster(Float.class);
public static final Function asDouble = caster(Double.class);
public static final Function asBoolean = caster(Boolean.class);
public static final Function asJsonObj = new Function() {
@Override public JsonObj apply(Object o) {
return JsonObj.jsonObj((Map) o);
}
};
public static final Function asJsonArr = new Function() {
@Override public JsonArr apply(Object o) {
return new JsonArr((List) o);
}
};
public static final Function asJsonVal = new Function() {
@Override public JsonVal apply(Object o) {
return new JsonVal(o);
}
};
private static Function caster(final Class ev) {
return new Function() {
@Override public A apply(Object o) {
return cast(o, ev);
}
};
}
}