br.com.objectos.way.base.zip.WayZip 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.way.base.zip;

import java.io.InputStream;
import java.util.Iterator;
import java.util.List;

import com.google.common.collect.FluentIterable;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Ordering;

/**
 * @author [email protected] (Marcio Endo)
 */
public class WayZip implements Iterable {

  private final List entries;

  WayZip(List entries) {
    this.entries = ImmutableList.copyOf(entries);
  }

  public List getErrors() {
    return FluentIterable.from(entries)
        .filter(WayZipEntry.IS_NOT_VALID)
        .toList();
  }

  @Override
  public Iterator iterator() {
    return entries.iterator();
  }

  public List open() {
    List sorted = Ordering.from(WayZipEntry.ORDER_BY_NAME)
        .sortedCopy(entries);

    return FluentIterable.from(sorted)
        .filter(WayZipEntry.IS_VALID)
        .transform(WayZipEntry.TO_STREAM)
        .toList();
  }

}