/protocols/ss7/map/map-impl/src/main/java/org/mobicents/protocols/ss7/map/dialog/MAPOpenInfoImpl.java
Java | 319 lines | 207 code | 55 blank | 57 comment | 27 complexity | 7184c80f85bd73b4df9010557660bc03 MD5 | raw file
Possible License(s): LGPL-3.0, GPL-3.0, LGPL-2.1, GPL-2.0, CC-BY-SA-3.0, CC0-1.0, Apache-2.0, BSD-3-Clause
1/* 2 * JBoss, Home of Professional Open Source 3 * Copyright 2011, Red Hat, Inc. and individual contributors 4 * by the @authors tag. See the copyright.txt in the distribution for a 5 * full listing of individual contributors. 6 * 7 * This is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU Lesser General Public License as 9 * published by the Free Software Foundation; either version 2.1 of 10 * the License, or (at your option) any later version. 11 * 12 * This software is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this software; if not, write to the Free 19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 21 */ 22 23package org.mobicents.protocols.ss7.map.dialog; 24 25import java.io.IOException; 26 27import org.mobicents.protocols.asn.AsnException; 28import org.mobicents.protocols.asn.AsnInputStream; 29import org.mobicents.protocols.asn.AsnOutputStream; 30import org.mobicents.protocols.asn.Tag; 31import org.mobicents.protocols.ss7.map.api.MAPException; 32import org.mobicents.protocols.ss7.map.api.MAPParsingComponentException; 33import org.mobicents.protocols.ss7.map.api.MAPParsingComponentExceptionReason; 34import org.mobicents.protocols.ss7.map.api.primitives.AddressString; 35import org.mobicents.protocols.ss7.map.api.primitives.IMSI; 36import org.mobicents.protocols.ss7.map.api.primitives.MAPExtensionContainer; 37import org.mobicents.protocols.ss7.map.primitives.AddressStringImpl; 38import org.mobicents.protocols.ss7.map.primitives.IMSIImpl; 39import org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive; 40import org.mobicents.protocols.ss7.map.primitives.MAPExtensionContainerImpl; 41 42/** 43 * Below is Ericsson MAP-OpenInfo 44 * 45 * MAP−OpenInfo ::= SEQUENCE ( 46 * imsi (0) IMSI OPTIONAL, 47 * originationReference (1) AddressString OPTIONAL, 48 * msisdn (2) AddressString, 49 * ... 50 * vlrNo (3) AddressString OPTIONAL 51 * ) 52 * 53 * @author amit bhayani 54 * @author sergey vetyutnev 55 * 56 */ 57public class MAPOpenInfoImpl implements MAPAsnPrimitive { 58 59 public static final int MAP_OPEN_INFO_TAG = 0x00; 60 61 protected static final int DESTINATION_REF_TAG = 0x00; 62 protected static final int ORIGINATION_REF_TAG = 0x01; 63 protected static final int ERI_MSISDN_TAG = 0x02; 64 protected static final int ERI_NLR_NO_TAG = 0x03; 65 66 protected static final int OPEN_INFO_TAG_CLASS = Tag.CLASS_CONTEXT_SPECIFIC; 67 protected static final boolean OPEN_INFO_TAG_PC_PRIMITIVE = true; 68 protected static final boolean OPEN_INFO_TAG_PC_CONSTRUCTED = false; 69 70 private AddressString destReference; 71 private AddressString origReference; 72 private MAPExtensionContainer extensionContainer; 73 74 private boolean eriStyle; 75 private IMSI eriImsi; 76 private AddressString eriVlrNo; 77 78 public AddressString getDestReference() { 79 return this.destReference; 80 } 81 82 public AddressString getOrigReference() { 83 return this.origReference; 84 } 85 86 public MAPExtensionContainer getExtensionContainer() { 87 return extensionContainer; 88 } 89 90 public boolean getEriStyle() { 91 return this.eriStyle; 92 } 93 94 public IMSI getEriImsi() { 95 return eriImsi; 96 } 97 98 public AddressString getEriVlrNo() { 99 return eriVlrNo; 100 } 101 102 public void setDestReference(AddressString destReference) { 103 this.destReference = destReference; 104 } 105 106 public void setOrigReference(AddressString origReference) { 107 this.origReference = origReference; 108 } 109 110 public void setExtensionContainer(MAPExtensionContainer extensionContainer) { 111 this.extensionContainer = extensionContainer; 112 } 113 114 public void setEriStyle(boolean eriStyle) { 115 this.eriStyle = eriStyle; 116 } 117 118 public void setEriImsi(IMSI eriImsi) { 119 this.eriImsi = eriImsi; 120 } 121 122 public void setEriVlrNo(AddressString eriVlrNo) { 123 this.eriVlrNo = eriVlrNo; 124 } 125 126 127 @Override 128 public int getTag() throws MAPException { 129 return MAP_OPEN_INFO_TAG; 130 } 131 132 @Override 133 public int getTagClass() { 134 return Tag.CLASS_CONTEXT_SPECIFIC; 135 } 136 137 @Override 138 public boolean getIsPrimitive() { 139 return false; 140 } 141 142 @Override 143 public void decodeAll(AsnInputStream ansIS) throws MAPParsingComponentException { 144 145 try { 146 int length = ansIS.readLength(); 147 this._decode(ansIS, length); 148 } catch (IOException e) { 149 throw new MAPParsingComponentException("IOException when decoding MAPOpenInfo: " + e.getMessage(), e, 150 MAPParsingComponentExceptionReason.MistypedParameter); 151 } catch (AsnException e) { 152 throw new MAPParsingComponentException("AsnException when decoding MAPOpenInfo: " + e.getMessage(), e, 153 MAPParsingComponentExceptionReason.MistypedParameter); 154 } 155 } 156 157 @Override 158 public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException { 159 160 try { 161 this._decode(ansIS, length); 162 } catch (IOException e) { 163 throw new MAPParsingComponentException("IOException when decoding MAPOpenInfo: " + e.getMessage(), e, 164 MAPParsingComponentExceptionReason.MistypedParameter); 165 } catch (AsnException e) { 166 throw new MAPParsingComponentException("AsnException when decoding MAPOpenInfo: " + e.getMessage(), e, 167 MAPParsingComponentExceptionReason.MistypedParameter); 168 } 169 } 170 171 private void _decode(AsnInputStream ais, int length) throws MAPParsingComponentException, IOException, AsnException { 172 173 // Definitioon from GSM 09.02 version 5.15.1 Page 690 174 // map-open [0] IMPLICIT SEQUENCE { 175 // destinationReference [0] IMPLICIT OCTET STRING ( SIZE( 1 .. 20 ) ) 176 // OPTIONAL, 177 // originationReference [1] IMPLICIT OCTET STRING ( SIZE( 1 .. 20 ) ) 178 // OPTIONAL, 179 // ... , 180 // extensionContainer SEQUENCE { 181 // privateExtensionList [0] IMPLICIT SEQUENCE ( SIZE( 1 .. 10 ) ) OF 182 // SEQUENCE { 183 // extId MAP-EXTENSION .&extensionId ( { 184 // , 185 // ...} ) , 186 // extType MAP-EXTENSION .&ExtensionType ( { 187 // , 188 // ...} { @extId } ) OPTIONAL} OPTIONAL, 189 // pcs-Extensions [1] IMPLICIT SEQUENCE { 190 // ... } OPTIONAL, 191 // ... } OPTIONAL}, 192 193 this.destReference = null; 194 this.origReference = null; 195 this.extensionContainer = null; 196 this.eriStyle = false; 197 this.eriImsi = null; 198 this.eriVlrNo = null; 199 200 AsnInputStream localAis = ais.readSequenceStreamData(length); 201 202 // checking for Ericsson-style 203 int startPos = localAis.position(); 204 while (localAis.available() > 0) { 205 int tag = localAis.readTag(); 206 if (localAis.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC && tag == ERI_MSISDN_TAG) { 207 this.eriStyle = true; 208 break; 209 } 210 localAis.advanceElement(); 211 } 212 213 // parsing 214 localAis.position(startPos); 215 while (localAis.available() > 0) { 216 int tag = localAis.readTag(); 217 218 switch (localAis.getTagClass()) { 219 case Tag.CLASS_CONTEXT_SPECIFIC: 220 switch (tag) { 221 case DESTINATION_REF_TAG: 222 if (this.eriStyle) { 223 this.eriImsi = new IMSIImpl(); 224 ((IMSIImpl) this.eriImsi).decodeAll(localAis); 225 } else { 226 this.destReference = new AddressStringImpl(); 227 ((AddressStringImpl) this.destReference).decodeAll(localAis); 228 } 229 break; 230 231 case ORIGINATION_REF_TAG: 232 this.origReference = new AddressStringImpl(); 233 ((AddressStringImpl)this.origReference).decodeAll(localAis); 234 break; 235 236 case ERI_MSISDN_TAG: 237 this.destReference = new AddressStringImpl(); 238 ((AddressStringImpl) this.destReference).decodeAll(localAis); 239 break; 240 241 case ERI_NLR_NO_TAG: 242 this.eriVlrNo = new AddressStringImpl(); 243 ((AddressStringImpl)this.eriVlrNo).decodeAll(localAis); 244 break; 245 246 default: 247 localAis.advanceElement(); 248 break; 249 } 250 break; 251 252 case Tag.CLASS_UNIVERSAL: 253 switch (tag) { 254 case Tag.SEQUENCE: 255 this.extensionContainer = new MAPExtensionContainerImpl(); 256 ((MAPExtensionContainerImpl)this.extensionContainer).decodeAll(localAis); 257 break; 258 259 default: 260 localAis.advanceElement(); 261 break; 262 } 263 break; 264 265 default: 266 localAis.advanceElement(); 267 break; 268 } 269 } 270 } 271 272 @Override 273 public void encodeAll(AsnOutputStream asnOs) throws MAPException { 274 275 this.encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, MAP_OPEN_INFO_TAG); 276 } 277 278 @Override 279 public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException { 280 281 try { 282 asnOs.writeTag(tagClass, false, tag); 283 int pos = asnOs.StartContentDefiniteLength(); 284 this.encodeData(asnOs); 285 asnOs.FinalizeContent(pos); 286 } catch (AsnException e) { 287 throw new MAPException("AsnException when encoding MAPOpenInfo: " + e.getMessage(), e); 288 } 289 } 290 291 @Override 292 public void encodeData(AsnOutputStream asnOS) throws MAPException { 293 294 if (this.eriStyle) { 295 296 if (this.destReference == null) 297 throw new MAPException("Error when encoding MAPOpenInf Ericsson style: destReference parameter must not be null"); 298 299 if (this.eriImsi != null) 300 ((IMSIImpl) this.eriImsi).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, DESTINATION_REF_TAG); 301 if (this.origReference != null) 302 ((AddressStringImpl) this.origReference).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, ORIGINATION_REF_TAG); 303 ((AddressStringImpl) this.destReference).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, ERI_MSISDN_TAG); 304 if (this.eriVlrNo != null) 305 ((AddressStringImpl) this.eriVlrNo).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, ERI_NLR_NO_TAG); 306 } else { 307 308 if (this.destReference != null) 309 ((AddressStringImpl) this.destReference).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, DESTINATION_REF_TAG); 310 311 if (this.origReference != null) 312 ((AddressStringImpl) this.origReference).encodeAll(asnOS, Tag.CLASS_CONTEXT_SPECIFIC, ORIGINATION_REF_TAG); 313 314 if (this.extensionContainer != null) 315 ((MAPExtensionContainerImpl) this.extensionContainer).encodeAll(asnOS); 316 } 317 } 318} 319