org.apache.usergrid.chop.api.RunnerDeserializer.java Source code

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Here is the source code for org.apache.usergrid.chop.api.RunnerDeserializer.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.usergrid.chop.api;

import java.io.IOException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;

/**
 * A Jackson JSON Deserializer for Project.
 */
public class RunnerDeserializer extends JsonDeserializer<Runner> {
    private static final Logger LOG = LoggerFactory.getLogger(RunnerDeserializer.class);

    @Override
    public Runner deserialize(final JsonParser jp, final DeserializationContext ctxt) throws IOException {
        RunnerBuilder builder = new RunnerBuilder();

        String tmp = jp.getText();
        validate(jp, tmp, "{");
        LOG.debug("First token is {}", tmp);

        jp.nextToken();
        tmp = jp.getText();
        LOG.debug("Second token is {}", tmp);

        while (jp.hasCurrentToken()) {

            tmp = jp.getText();
            LOG.debug("Current token text = {}", tmp);

            if (tmp.equals("ipv4Address")) {
                jp.nextToken();
                builder.setIpv4Address(jp.getText());
            } else if (tmp.equals("hostname")) {
                jp.nextToken();
                builder.setHostname(jp.getText());
            } else if (tmp.equals("url")) {
                jp.nextToken();
                builder.setUrl(jp.getText());
            } else if (tmp.equals("serverPort")) {
                jp.nextToken();
                builder.setServerPort(jp.getValueAsInt());
            } else if (tmp.equals("tempDir")) {
                jp.nextToken();
                builder.setTempDir(jp.getText());
            }

            jp.nextToken();

            if (jp.getText().equals("}")) {
                break;
            }
        }

        return builder.getRunner();
    }

    private void validate(JsonParser jsonParser, String input, String expected) throws JsonProcessingException {
        if (!input.equals(expected)) {
            throw new JsonParseException("Unexpected token: " + input, jsonParser.getTokenLocation());
        }
    }
}