com.codepine.api.testrail.internal.StringToMapDeserializer.java Source code

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Here is the source code for com.codepine.api.testrail.internal.StringToMapDeserializer.java

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 Kunal Shah
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.codepine.api.testrail.internal;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.google.common.base.Function;
import com.google.common.base.Splitter;
import com.google.common.collect.Maps;

import java.io.IOException;
import java.util.Map;

/**
 * Deserializer string of form a,b\nc,d\ne,f to a map of form {a->b, c->d, e->f}.
 */
public class StringToMapDeserializer extends JsonDeserializer<Map<String, String>> {

    @Override
    public Map<String, String> deserialize(JsonParser jp, DeserializationContext ctxt)
            throws IOException, JsonProcessingException {
        if (jp.getValueAsString() == null) {
            return null;
        }
        Map<String, String> items = Splitter.on("\n").omitEmptyStrings().withKeyValueSeparator(',')
                .split(jp.getValueAsString());
        items = Maps.transformValues(items, new Function<String, String>() {
            @Override
            public String apply(String value) {
                return value.trim();
            }
        });
        return items;
    }
}