io.resys.hdes.client.spi.groovy.ScriptFlatToCommandBuilder Maven / Gradle / Ivy

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package io.resys.hdes.client.spi.groovy;

/*-
 * #%L
 * wrench-assets-flow
 * %%
 * Copyright (C) 2016 - 2019 Copyright 2016 ReSys OÜ
 * %%
 * 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.
 * #L%
 */

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;

public class ScriptFlatToCommandBuilder {

  private final ObjectMapper objectMapper;

  public ScriptFlatToCommandBuilder(ObjectMapper objectMapper) {
    super();
    this.objectMapper = objectMapper;
  }

  public String build(InputStream inputStream) {
    try {

      ArrayNode result = objectMapper.createArrayNode();

      BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));
      String line;
      int index = 0;
      while ((line = br.readLine()) != null) {
        ObjectNode command = objectMapper.createObjectNode()
            .put("id", index++)
            .put("type", "ADD")
            .put("value", line)
            .put("origin", "SOURCE");
        result.add(command);
      }

      return objectMapper.writeValueAsString(result);
    } catch(IOException e) {
      throw new RuntimeException(e.getMessage(), e);
    }
  }
}