src/android/src/com/google/android/inputmethod/japanese/JapaneseKeyboardParser.java

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package org.mozc.android.inputmethod.japanese;

import org.mozc.android.inputmethod.japanese.JapaneseKeyboard.KeyboardSpecification;
import org.mozc.android.inputmethod.japanese.keyboard.Keyboard;
import org.mozc.android.inputmethod.japanese.keyboard.KeyboardParser;
import org.mozc.android.inputmethod.japanese.keyboard.Row;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;

import android.content.res.Resources;
import android.content.res.XmlResourceParser;

import org.xmlpull.v1.XmlPullParserException;

import java.io.IOException;
import java.util.List;

/**
 */
public class JapaneseKeyboardParser extends KeyboardParser {
  private final KeyboardSpecification specification;

  public JapaneseKeyboardParser(
      Resources resources, XmlResourceParser parser, KeyboardSpecification specification,
      int keyboardWidth, int keyboardHeight) {
    super(resources, parser, keyboardWidth, keyboardHeight);
    if (specification == null) {
      throw new NullPointerException("specification is null.");
    }
    this.specification = specification;
  }

  /**
   * Parses a XML file and returns the keyboard instance.
   * @return JapaneseKeyboard instance parsed from the resource.
   * @throws XmlPullParserException is thrown if parsing is failed.
   * @throws IOException is thrown if there is trouble to read data.
   */
  @Override
  public JapaneseKeyboard parseKeyboard() throws XmlPullParserException, IOException {
    return JapaneseKeyboard.class.cast(super.parseKeyboard());
  }

  @Override
  protected Keyboard buildKeyboard(Optional<String> contentDescription,
                                   List<Row> rowList, float flickThreshold) {
    return new JapaneseKeyboard(Preconditions.checkNotNull(contentDescription),
                                Preconditions.checkNotNull(rowList), flickThreshold,
                                specification);
  }
}