CommandTransformation.java

package org.springframework.roo.addon.tailor;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.springframework.roo.shell.ParserUtils;

/**
 * Data container to transport an input command and its arguments through all
 * configured actions, while those actions fill up a list of outputCommands.
 * 
 * @author Vladimir Tihomirov
 * @author Birgitta Boeckeler
 */
public class CommandTransformation {

  /**
   * The full input command string, incl. arguments
   */
  private String inputCommand;

  /**
   * A list of output commands, result of the transformation the inputCommand
   * goes through by action executions.
   */
  private final List<String> outputCommands = new ArrayList<String>();

  /**
   * Parsed tokens of the command <br>
   * - Arguments will be represented with key=argumentname without "--",
   * value=argumentvalue <br>
   * - The command elements before the actual "--" arguments will be in an
   * entry without a key
   */
  private Map<String, String> arguments;

  public CommandTransformation(final String command) {
    setInputCommand(command.trim());
    // ParserUtils.tokenize expects single blanks to split the command:
    // Make sure that there are no obsolete blanks in the command string
    while (inputCommand.contains("  ")) {
      inputCommand = inputCommand.replace("  ", " ");
    }
    setArguments(ParserUtils.tokenize(inputCommand));
  }

  public void addOutputCommand(final String... commandFragments) {
    String outputCommand = "";
    for (final String arg : commandFragments) {
      outputCommand = outputCommand.concat(arg);
    }
    outputCommands.add(outputCommand);
  }

  public void clearCommands() {
    outputCommands.clear();
  }

  public Map<String, String> getArguments() {
    return arguments;
  }

  public String getInputCommand() {
    return inputCommand;
  }

  public List<String> getOutputCommands() {
    return outputCommands;
  }

  public void setArguments(final Map<String, String> options) {
    arguments = options;
  }

  public void setInputCommand(final String command) {
    inputCommand = command;
  }
}