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This project contains some common utilities used in different projects from theMatchBox.

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package com.thematchbox.json;

/* Copyright 2015 theMatchBox

   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.
*/


import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;

import java.io.IOException;


public abstract class JsonReader {

    public void readNextToken(JsonParser parser, JsonToken jsonToken) throws IOException {
        if (parser.nextToken() != jsonToken) {
            throw new IOException("Expected " + jsonToken.name());
        }
    }

    public void readCurrentToken(JsonParser parser, JsonToken jsonToken) throws IOException {
        if (parser.getCurrentToken() != jsonToken) {
            throw new IOException("Expected " + jsonToken.name());
        }
    }

    public void readNextFieldName(JsonParser parser, String fieldName) throws IOException {
        JsonToken jsonToken = parser.nextToken();
        if (jsonToken != JsonToken.FIELD_NAME || !fieldName.equals(parser.getText())) {
            throw new IOException("Expected field name " + fieldName);
        }
    }




}




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