os.rio-core.0.6.0.source-code.GentooMove Maven / Gradle / Ivy

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/*
 * Copyright 2014 Objectos, Fábrica de Software LTDA.
 *
 * 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.
 */
package br.com.objectos.rio;

/**
 * @author [email protected] (Marcio Endo)
 */
class GentooMove {

  private final String source;
  private final String dest;

  public GentooMove(String source, String dest) {
    this.source = source;
    this.dest = dest;
  }

  @Override
  public String toString() {
    int lastIndex = dest.lastIndexOf('/');
    String destination = dest.substring(0, lastIndex);

    return new Builder()
        .add("rm -rf %s; ", dest)
        .add("mv %s %s; ", source, destination)
        .toString();
  }

  private class Builder {

    private final StringBuilder builder = new StringBuilder();

    public Builder add(String format, Object... args) {
      builder.append(String.format(format, args));
      return this;
    }

    @Override
    public String toString() {
      return builder.toString();
    }

  }

}