CharsetMapToCharacterEncodingGroupDataCodingProvider.java

package fr.sii.ogham.sms.sender.impl.cloudhopper.preparator;

import static com.cloudhopper.commons.charset.CharsetUtil.NAME_GSM;

import static com.cloudhopper.commons.charset.CharsetUtil.NAME_GSM7;

import static com.cloudhopper.commons.charset.CharsetUtil.NAME_GSM8;

import static com.cloudhopper.commons.charset.CharsetUtil.NAME_ISO_8859_1;

import static com.cloudhopper.commons.charset.CharsetUtil.NAME_PACKED_GSM;

import static com.cloudhopper.commons.charset.CharsetUtil.NAME_UCS_2;

import static com.cloudhopper.commons.gsm.DataCoding.CHAR_ENC_8BIT;

import static com.cloudhopper.commons.gsm.DataCoding.CHAR_ENC_DEFAULT;

import static com.cloudhopper.commons.gsm.DataCoding.CHAR_ENC_LATIN1;

import static com.cloudhopper.commons.gsm.DataCoding.CHAR_ENC_UCS2;

import java.util.Collections;

import java.util.HashMap;

import java.util.Map;

import com.cloudhopper.commons.charset.Charset;

import com.cloudhopper.commons.charset.CharsetUtil;

import com.cloudhopper.commons.gsm.DataCoding;

import fr.sii.ogham.sms.encoder.Encoded;

import fr.sii.ogham.sms.sender.impl.cloudhopper.encoder.NamedCharset;

import fr.sii.ogham.sms.sender.impl.cloudhopper.exception.DataCodingException;

import fr.sii.ogham.sms.sender.impl.cloudhopper.exception.UnsupportedCharsetException;

/**

 * Provide a Data Coding Scheme according to charset used to encode the message.

 * The resulting encoding is <b>Character Encoding Group</b>:

 * 

 * Bit 7 6 5 4 3 2 1 0<br>

 * <br>

 * Bits 7..4 contain the "Coding Group Bits" which control what values are

 * contained in bits 3..0 OR even 5..0<br>

 * <br>

 * <b>0000: Character Encoding Group</b>

 * <ul>

 * <li>Bits 0,1,2,3 Represent 16 Language Encodings</li>

 * </ul>

 * 

 * 

 * @author Aurélien Baudet

 *

 */

public class CharsetMapToCharacterEncodingGroupDataCodingProvider implements DataCodingProvider {

	private final boolean failIfUnknown;

	private final Map<String, Byte> alphabetIndexedByCharsetName;

	/**

	 * Provides {@link DataCoding} based on the charset used to encode the

	 * message.

	 * 

	 * <p>

	 * The default map is used (charset name {@literal ->} alphabet):

	 * <ul>

	 * <li>{@link CharsetUtil#NAME_GSM7} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_DEFAULT}</li>

	 * <li>{@link CharsetUtil#NAME_PACKED_GSM} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_DEFAULT}</li>

	 * <li>{@link CharsetUtil#NAME_GSM} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_8BIT}</li>

	 * <li>{@link CharsetUtil#NAME_GSM8} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_8BIT}</li>

	 * <li>{@link CharsetUtil#NAME_ISO_8859_1} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_LATIN1}</li>

	 * <li>{@link CharsetUtil#NAME_UCS_2} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_UCS2}</li>

	 * </ul>

	 * 

	 * @param failIfUnknown

	 *            if true it throws {@link UnsupportedCharsetException}, if

	 *            false is returns null to let other

	 *            {@link DataCodingProvider}(s) being executed.

	 */

	public CharsetMapToCharacterEncodingGroupDataCodingProvider(boolean failIfUnknown) {

	@Override

	public DataCoding provide(Encoded encoded) throws DataCodingException {

			}

		}

	}

	/**

	 * Default mapping used to determine {@link DataCoding} encoding value from

	 * {@link Charset}:

	 * <ul>

	 * <li>{@link CharsetUtil#NAME_GSM7} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_DEFAULT}</li>

	 * <li>{@link CharsetUtil#NAME_PACKED_GSM} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_DEFAULT}</li>

	 * <li>{@link CharsetUtil#NAME_GSM} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_8BIT}</li>

	 * <li>{@link CharsetUtil#NAME_GSM8} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_8BIT}</li>

	 * <li>{@link CharsetUtil#NAME_ISO_8859_1} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_LATIN1}</li>

	 * <li>{@link CharsetUtil#NAME_UCS_2} {@literal ->}

	 * {@link DataCoding#CHAR_ENC_UCS2}</li>

	 * </ul>

	 * 

	 * 

	 * @return the mapping

	 */

	public static Map<String, Byte> defaultMap() {

		// @formatter:off

		// SMPP v3.3 defines 0 for GSM 7-bit packed.

		// Since SMPP v3.4, meaning of DCS=0 is ambiguous...

		// But it is the only possible value for GSM 7-bit packed 

		// TODO: if other charset are used => which data coding values to use ? Where to find the information ???

//		map.put(CharsetUtil.NAME_AIRWIDE_GSM, DataCoding.);

//		map.put(CharsetUtil.NAME_AIRWIDE_IA5, DataCoding.);

//		map.put(CharsetUtil.NAME_ISO_8859_15, DataCoding.);

//		map.put(CharsetUtil.NAME_MODIFIED_UTF8, DataCoding.);

//		map.put(CharsetUtil.NAME_TMOBILENL_GSM, DataCoding.);

//		map.put(CharsetUtil.NAME_UTF_8, DataCoding.);

//		map.put(CharsetUtil.NAME_VFD2_GSM, DataCoding.);

//		map.put(CharsetUtil.NAME_VFTR_GSM, DataCoding.);

//		map.put(CharsetUtil.NAME_GSM, 		DataCoding.CHAR_ENC_8BIT);

//		map.put(CharsetUtil.NAME_GSM8, 		DataCoding.CHAR_ENC_8BIT);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_8BITA);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_CYRLLIC);

//		map.put(CharsetUtil.NAME_GSM7, 		DataCoding.CHAR_ENC_DEFAULT);

//		map.put(CharsetUtil.NAME_PACKED_GSM, 		DataCoding.CHAR_ENC_DEFAULT);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_EXKANJI);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_HEBREW);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_IA5);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_JIS);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_KSC5601);

//		map.put(CharsetUtil.NAME_ISO_8859_1, 		DataCoding.CHAR_ENC_LATIN1);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_MUSIC);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_PICTO);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_RSRVD);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_RSRVD2);

//		map.put(CharsetUtil., 		DataCoding.CHAR_ENC_RSRVD3);

//		map.put(CharsetUtil.NAME_UCS_2, 		DataCoding.CHAR_ENC_UCS2);

		// @formatter:on

	}

}

Mutations