/*
* Copyright 2011 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 com.jayway.jsonpath;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
Used to specify generic type information in ReadContext
TypeRef ref = new TypeRef>() { };
Type parameters: - <T> –
/**
* Used to specify generic type information in {@link com.jayway.jsonpath.ReadContext}
*
* <code>
* TypeRef ref = new TypeRef<List<Integer>>() { };
* </code>
*
* @param <T>
*/
public abstract class TypeRef<T> implements Comparable<TypeRef<T>> {
protected final Type type;
protected TypeRef()
{
Type superClass = getClass().getGenericSuperclass();
if (superClass instanceof Class<?>) {
throw new IllegalArgumentException("No type info in TypeRef");
}
type = ((ParameterizedType) superClass).getActualTypeArguments()[0];
}
public Type getType() { return type; }
The only reason we define this method (and require implementation
of Comparable
) is to prevent constructing a
reference without type information.
/**
* The only reason we define this method (and require implementation
* of <code>Comparable</code>) is to prevent constructing a
* reference without type information.
*/
@Override
public int compareTo(TypeRef<T> o) {
return 0;
}
}