/*
* 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.internal.token;
import com.jayway.jsonpath.internal.PathRef;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
*/
public class RootPathToken extends PathToken {
private static final Logger logger = LoggerFactory.getLogger(RootPathToken.class);
private PathToken tail;
private int tokenCount;
public RootPathToken() {
this.tail = this;
this.tokenCount = 1;
}
@Override
public int getTokenCount() {
return tokenCount;
}
public RootPathToken append(PathToken next) {
this.tail = tail.appendTailToken(next);
this.tokenCount++;
return this;
}
@Override
public void evaluate(String currentPath, PathRef pathRef, Object model, EvaluationContextImpl ctx) {
if (isLeaf()) {
PathRef op = ctx.forUpdate() ? pathRef : PathRef.NO_OP;
ctx.addResult("$", op, model);
} else {
next().evaluate("$", pathRef, model, ctx);
}
}
@Override
public String getPathFragment() {
return "$";
}
@Override
boolean isTokenDefinite() {
return true;
}
}