com.jayway.jsonpath.spi.impl.JacksonProvider Maven / Gradle / Ivy

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Java port of Stefan Goessner JsonPath.
There is a newer version: 2.9.0
/*
 * 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.spi.impl;

import com.jayway.jsonpath.InvalidJsonException;
import com.jayway.jsonpath.spi.MappingProvider;
import com.jayway.jsonpath.spi.Mode;
import org.codehaus.jackson.JsonGenerator;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.type.CollectionType;

import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringWriter;
import java.util.*;

/**
 * @author Kalle Stenflo
 */
public class JacksonProvider extends AbstractJsonProvider implements MappingProvider{

    private ObjectMapper objectMapper = new ObjectMapper();

    @Override
    public Mode getMode() {
        return Mode.STRICT;
    }

    @Override
    public Object parse(String json) throws InvalidJsonException {
        try {
            return objectMapper.readValue(json, Object.class);
        } catch (IOException e) {
            throw new InvalidJsonException(e);
        }
    }

    @Override
    public Object parse(Reader jsonReader) throws InvalidJsonException {
        try {
            return objectMapper.readValue(jsonReader, Object.class);
        } catch (IOException e) {
            throw new InvalidJsonException(e);
        }
    }

    @Override
    public Object parse(InputStream jsonStream) throws InvalidJsonException {
        try {
            return objectMapper.readValue(jsonStream, Object.class);
        } catch (IOException e) {
            throw new InvalidJsonException(e);
        }
    }

    @Override
    public String toJson(Object obj) {
        StringWriter writer = new StringWriter();
        try {
            JsonGenerator jsonGenerator = objectMapper.getJsonFactory().createJsonGenerator(writer);
            objectMapper.writeValue(jsonGenerator, obj);
            writer.close();
            return writer.getBuffer().toString();
        } catch (IOException e) {
            throw new InvalidJsonException();
        }
    }

    @Override
    public Map createMap() {
        return new HashMap();
    }

    @Override
    public List