Method readFieldsCompressed

src/java/org/apache/nutch/protocol/Content.java:111–148

(DataInput in)

  }

  private final void readFieldsCompressed(DataInput in) throws IOException {
    byte oldVersion = in.readByte();
    switch (oldVersion) {
    case 0:
    case 1:
      url = Text.readString(in); // read url
      base = Text.readString(in); // read base

      content = new byte[in.readInt()]; // read content
      in.readFully(content);

      contentType = Text.readString(in); // read contentType
      // reconstruct metadata
      int keySize = in.readInt();
      String key;
      for (int i = 0; i < keySize; i++) {
        key = Text.readString(in);
        int valueSize = in.readInt();
        for (int j = 0; j < valueSize; j++) {
          metadata.add(key, Text.readString(in));
        }
      }
      break;
    case 2:
      url = Text.readString(in); // read url
      base = Text.readString(in); // read base

      content = new byte[in.readInt()]; // read content
      in.readFully(content);

      contentType = Text.readString(in); // read contentType
      metadata.readFields(in); // read meta data
      break;
    default:
      throw new VersionMismatchException((byte) 2, oldVersion);
    }

  }

  public final void readFields(DataInput in) throws IOException {
    metadata.clear();