/*
* TeleStax, Open Source Cloud Communications Copyright 2012.
* and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.mobicents.protocols.ss7.map.datacoding;
import org.mobicents.protocols.ss7.map.api.datacoding.CBSDataCodingGroup;
import org.mobicents.protocols.ss7.map.api.datacoding.CBSDataCodingScheme;
import org.mobicents.protocols.ss7.map.api.datacoding.CBSNationalLanguage;
import org.mobicents.protocols.ss7.map.api.smstpdu.CharacterSet;
import org.mobicents.protocols.ss7.map.api.smstpdu.DataCodingSchemaMessageClass;
/**
*
* @author sergey vetyutnev
*
*/
public class CBSDataCodingSchemeImpl implements CBSDataCodingScheme {
private int code;
public CBSDataCodingSchemeImpl(int code) {
this.code = code;
}
public CBSDataCodingSchemeImpl(CBSDataCodingGroup dataCodingGroup, CharacterSet characterSet,
CBSNationalLanguage nationalLanguageShiftTable, DataCodingSchemaMessageClass messageClass, boolean isCompressed) {
if (dataCodingGroup == null) {
this.code = 15;
return;
}
switch (dataCodingGroup) {
case GeneralGsm7:
if (nationalLanguageShiftTable != null)
this.code = nationalLanguageShiftTable.getCode();
else
this.code = 15; // default language
break;
case GeneralWithLanguageIndication:
if (characterSet == CharacterSet.GSM7) {
this.code = 0x10;
} else {
this.code = 0x11;
}
break;
case GeneralDataCodingIndication:
this.code = 0x40;
if (isCompressed)
this.code |= 0x20;
if (messageClass != null)
this.code |= (0x10 + messageClass.getCode());
if (characterSet != null)
this.code |= (characterSet.getCode() << 2);
break;
case MessageWithUserDataHeader:
this.code = 0x90;
if (messageClass != null)
this.code |= messageClass.getCode();
if (characterSet != null)
this.code |= (characterSet.getCode() << 2);
break;
case I1ProtocolMessage:
this.code = 0xD0;
break;
case DefinedByTheWAPForum:
this.code = 0xE0;
break;
case DataCodingMessageClass:
this.code = 0xF0;
if (messageClass != null)
this.code |= messageClass.getCode();
if (characterSet != null && characterSet == CharacterSet.GSM8)
this.code |= 0x04;
break;
default:
this.code = 15;
break;
}
}
@Override
public int getCode() {
return code;
}
@Override
public CBSDataCodingGroup getDataCodingGroup() {
switch ((this.code & 0xF0) >> 4) {
case 0:
case 2:
case 3:
return CBSDataCodingGroup.GeneralGsm7;
case 1:
return CBSDataCodingGroup.GeneralWithLanguageIndication;
case 9:
return CBSDataCodingGroup.MessageWithUserDataHeader;
case 13:
return CBSDataCodingGroup.I1ProtocolMessage;
case 14:
return CBSDataCodingGroup.DefinedByTheWAPForum;
case 15:
return CBSDataCodingGroup.DataCodingMessageClass;
default: {
if ((this.code & 0xC0) == 0x40) {
return CBSDataCodingGroup.GeneralDataCodingIndication;
}
}
}
return CBSDataCodingGroup.Reserved;
}
@Override
public CBSNationalLanguage getNationalLanguageShiftTable() {
if (this.getDataCodingGroup() == CBSDataCodingGroup.GeneralGsm7)
return CBSNationalLanguage.getInstance((code & 0xF0) >> 4, (code & 0x0F));
else
return null;
}
@Override
public CharacterSet getCharacterSet() {
switch (this.getDataCodingGroup()) {
case GeneralGsm7:
return CharacterSet.GSM7;
case GeneralWithLanguageIndication:
if ((this.code & 0x0F) == 1)
return CharacterSet.UCS2;
else
return CharacterSet.GSM7;
case GeneralDataCodingIndication:
case MessageWithUserDataHeader:
return CharacterSet.getInstance((code & 0x0C) >> 2);
case DataCodingMessageClass:
if ((code & 0x04) != 0)
return CharacterSet.GSM8;
else
return CharacterSet.GSM7;
}
return null;
}
@Override
public DataCodingSchemaMessageClass getMessageClass() {
switch (this.getDataCodingGroup()) {
case GeneralDataCodingIndication:
if ((code & 0x10) != 0)
return DataCodingSchemaMessageClass.getInstance(code & 0x03);
else
return null;
case MessageWithUserDataHeader:
case DataCodingMessageClass:
return DataCodingSchemaMessageClass.getInstance(code & 0x03);
}
return null;
}
@Override
public boolean getIsCompressed() {
if (this.getDataCodingGroup() == CBSDataCodingGroup.GeneralDataCodingIndication && (code & 0x20) != 0)
return true;
else
return false;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + code;
return result;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
CBSDataCodingSchemeImpl other = (CBSDataCodingSchemeImpl) obj;
if (code != other.code)
return false;
return true;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("CBSDataCodingScheme [");
sb.append("Code=");
sb.append(this.code);
sb.append(", CBSDataCodingGroup=");
sb.append(this.getDataCodingGroup());
if (this.getMessageClass() != null) {
sb.append(", MessageClass=");
sb.append(this.getMessageClass());
}
if (this.getNationalLanguageShiftTable() != null) {
sb.append(", NationalLanguageShiftTable=");
sb.append(this.getNationalLanguageShiftTable());
}
if (this.getCharacterSet() != null) {
sb.append(", CharacterSet=");
sb.append(this.getCharacterSet());
}
if (this.getIsCompressed())
sb.append(", Compressed");
sb.append("]");
return sb.toString();
}
}