/*
* 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;
import com.jayway.jsonpath.Configuration;
import com.jayway.jsonpath.InvalidModelException;
import com.jayway.jsonpath.internal.filter.FilterFactory;
import com.jayway.jsonpath.internal.filter.PathTokenFilter;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Kalle Stenflo
*/
public class PathToken {
private static final Pattern ARRAY_INDEX_PATTERN = Pattern.compile("\\[(\\d+)]");
private final String fragment;
private final int tokenIndex;
private final boolean endToken;
public PathToken(String fragment, int tokenIndex, boolean isEndToken) {
this.fragment = fragment;
this.tokenIndex = tokenIndex;
this.endToken = isEndToken;
}
public PathTokenFilter getFilter(){
return FilterFactory.createFilter(this);
}
public Object filter(Object model, Configuration configuration){
return FilterFactory.createFilter(this).filter(model, configuration);
}
public Object apply(Object model, Configuration configuration){
return FilterFactory.createFilter(this).getRef(model, configuration);
}
public String getFragment() {
return fragment;
}
public boolean isRootToken(){
return this.tokenIndex == 0;
}
public boolean isEndToken(){
return this.endToken;
}
public boolean isArrayIndexToken(){
return ARRAY_INDEX_PATTERN.matcher(fragment).matches();
}
public int getArrayIndex(){
Matcher matcher = ARRAY_INDEX_PATTERN.matcher(fragment);
if(matcher.find()){
return Integer.parseInt(matcher.group(1));
}
else throw new InvalidModelException("Could not get array index from fragment " + fragment);
}
}