ConvertibleVerse.java

package net.bible.android.control.versification;

import org.crosswire.jsword.passage.Verse;
import org.crosswire.jsword.versification.BibleBook;
import org.crosswire.jsword.versification.Versification;
import org.crosswire.jsword.versification.system.Versifications;
import org.json.JSONException;
import org.json.JSONObject;

/** Store a main verse and return it in requested versification after mapping (if map available)
 * 
 * @author Martin Denham [mjdenham at gmail dot com]
 * @see gnu.lgpl.License for license details.<br>
 *      The copyright to this program is held by it's author.
 */
public class ConvertibleVerse {
	
	private Verse mainVerse;

	static private VersificationConverter versificationConverter = new VersificationConverter();

	public ConvertibleVerse(Verse verse) {
		this(verse.getVersification(), verse.getBook(), verse.getChapter(), verse.getVerse());
	}

	public ConvertibleVerse(BibleBook book, int chapter, int verseNo) {
		this(Versifications.instance().getVersification(Versifications.DEFAULT_V11N), book, chapter, verseNo);
	}

	public ConvertibleVerse(Versification versification, BibleBook book, int chapter, int verseNo) {
		mainVerse = new Verse(versification, book, chapter, verseNo);
	}

	public boolean isConvertibleTo(Versification v11n) {
		return versificationConverter.isConvertibleTo(mainVerse, v11n);
	}

	public void setVerseNo(int verseNo) {
		mainVerse = new Verse(mainVerse.getVersification(), mainVerse.getBook(), mainVerse.getChapter(), verseNo);
	}
	public int getVerseNo() {
		return mainVerse.getVerse();
	}

	/** Set the verse, mapping to the required versification if necessary
	 */
	public void setVerse(Versification requiredVersification, Verse verse) {
		mainVerse = versificationConverter.convert(verse, requiredVersification);
	}

	public Verse getVerse() {
		return mainVerse;
	}

	public Verse getVerse(Versification versification) {
		return versificationConverter.convert(mainVerse, versification);
	}


	/** books should be the same as they are enums
	 */
	public BibleBook getBook() {
		return mainVerse.getBook();
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result
				+ ((mainVerse == null) ? 0 : mainVerse.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		ConvertibleVerse other = (ConvertibleVerse) obj;
		if (mainVerse == null) {
			if (other.mainVerse != null)
				return false;
		} else if (!mainVerse.equals(other.mainVerse))
			return false;
		return true;
	}
	
	public JSONObject getStateJson() throws JSONException {
		JSONObject object = new JSONObject();
		object.put("versification", mainVerse.getVersification().getName());
		object.put("bibleBook", mainVerse.getBook().ordinal());
		object.put("chapter", mainVerse.getChapter());
		object.put("verseNo", mainVerse.getVerse());
		return object;
	}
	
	public void restoreState(JSONObject jsonObject) throws JSONException {
		if (jsonObject!=null) {
			if (jsonObject.has("versification") && jsonObject.has("bibleBook")) {
				Versification v11n = Versifications.instance().getVersification(jsonObject.getString("versification"));
				int bibleBookNo =  jsonObject.getInt("bibleBook");
				int chapterNo = jsonObject.getInt("chapter");
				int verseNo = jsonObject.getInt("verseNo");
	
				mainVerse = new Verse(v11n, BibleBook.values()[bibleBookNo], chapterNo, verseNo, true);
			}
		}
	}
}