/*
    * 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.apache.commons.compress.archivers.memory;
  
  import java.io.IOException;
  
  import org.apache.commons.compress.archivers.ArchiveInputStream;
  
  /**
   * A test input stream.
   */
  public final class MemoryArchiveInputStream extends ArchiveInputStream<MemoryArchiveEntry> {
  
      private final String[] fileNames;
      private final String[] content;
      private int p;
  
      public MemoryArchiveInputStream(final String[][] pFiles) {
          final int pFilesLength = pFiles.length;
          fileNames = new String[pFilesLength];
          content = new String[pFilesLength];
  
          for (int i = 0; i < pFilesLength; i++) {
              final String[] nameAndContent = pFiles[i];
              fileNames[i] = nameAndContent[0];
              content[i] = nameAndContent[1];
          }
          p = 0;
      }
  
      @Override
      public MemoryArchiveEntry getNextEntry() throws IOException {
          if (p >= fileNames.length) {
              return null;
          }
          return new MemoryArchiveEntry(fileNames[p]);
      }
  
      @Override
      public int read() throws IOException {
          return 0;
      }
  
      public String readString() {
          return content[p++];
      }
  
  }