BasicShellTableFactory.java

/*
 * 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.jclouds.karaf.commands.table;

import org.jclouds.karaf.commands.table.internal.ScriptEngineShellTable;

import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.script.ScriptEngineManager;

/**
 * A basic {@link org.jclouds.karaf.commands.table.ShellTableFactory} implementation which is backed by a {@link Map}.
 */
public class BasicShellTableFactory implements ShellTableFactory {
   private ScriptEngineManager scriptEngineManager;

   private final Map properties = new HashMap();
  /**
   * Creates a table based on the values of the dictionary
   *
   * @param type
   * @return
   */
  @Override
  public ShellTable build(String type) {
      String delimiter = properties.containsKey(type + "." + DELIMITER_KEY) ? String.valueOf(properties.get(type + "." + DELIMITER_KEY)) : ";";
      String engine = properties.containsKey(type + "." + SCRIPTING_ENGINE) ? String.valueOf(properties.get(type + "." + SCRIPTING_ENGINE)) : "groovy";
      String headersValue = String.valueOf(properties.get(type + "." + HEADERS_KEY));
      String expressionsValue = String.valueOf(properties.get(type + "." + EXPRESSIONS_KEY));
      String alignValue = String.valueOf(properties.get(type + "." + ALIGN_KEY));
      String sortByValue = String.valueOf(properties.get(type + "." + SORTBY_KEY));
      Boolean ascendingValue = Boolean.parseBoolean(String.valueOf(properties.get(type + "." + ASCENDING_KEY)));

      List<String> headers =  Arrays.asList(headersValue.split(delimiter));
      List<String> expressions =  Arrays.asList(expressionsValue.split(delimiter));
      List<String> alignments =  Arrays.asList(alignValue.split(delimiter));
      ShellTable shellTable = new ScriptEngineShellTable(scriptEngineManager, engine);

      shellTable.setType(type);
      shellTable.setHeaders(headers);
      shellTable.setDisplayExpression(expressions);
      shellTable.setAlignments(alignments);
      shellTable.setSortBy(sortByValue);
      shellTable.setAscending(ascendingValue);
      return shellTable;
  }

  public Map getProperties() {
    return properties;
  }

  public ScriptEngineManager getScriptEngineManager() {
    return scriptEngineManager;
  }

  public void setScriptEngineManager(ScriptEngineManager scriptEngineManager) {
    this.scriptEngineManager = scriptEngineManager;
  }
}