/protocols/ss7/map/map-impl/src/main/java/org/mobicents/protocols/ss7/map/dialog/MAPUserAbortInfoImpl.java
Java | 276 lines | 170 code | 44 blank | 62 comment | 22 complexity | 4daae1629052f6970714172c7675a07c MD5 | raw file
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.dialog.MAPUserAbortChoice; 35import org.mobicents.protocols.ss7.map.api.dialog.ProcedureCancellationReason; 36import org.mobicents.protocols.ss7.map.api.dialog.ResourceUnavailableReason; 37import org.mobicents.protocols.ss7.map.api.primitives.MAPExtensionContainer; 38import org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive; 39import org.mobicents.protocols.ss7.map.primitives.MAPExtensionContainerImpl; 40 41/** 42 * MAP-UserAbortInfo ::= SEQUENCE { map-UserAbortChoice MAP-UserAbortChoice, ... 43 * extensionContainer ExtensionContainer OPTIONAL } 44 * 45 * MAP-UserAbortChoice ::= CHOICE { userSpecificReason [0] NULL, 46 * userResourceLimitation [1] NULL, resourceUnavailable [2] 47 * ResourceUnavailableReason, applicationProcedureCancellation [3] 48 * ProcedureCancellationReason} 49 * 50 * @author amit bhayani 51 * @author sergey vetyutnev 52 * 53 */ 54public class MAPUserAbortInfoImpl implements MAPAsnPrimitive { 55 56 public static final int MAP_USER_ABORT_INFO_TAG = 0x04; 57 58 protected static final int USER_ABORT_TAG_CLASS = Tag.CLASS_CONTEXT_SPECIFIC; 59 protected static final boolean USER_ABORT_TAG_PC_CONSTRUCTED = false; 60 61 private MAPUserAbortChoice mapUserAbortChoice = null; 62 private MAPExtensionContainer extensionContainer; 63 64 public MAPUserAbortChoice getMAPUserAbortChoice() { 65 return this.mapUserAbortChoice; 66 } 67 68 public MAPExtensionContainer getExtensionContainer() { 69 return extensionContainer; 70 } 71 72 public void setMAPUserAbortChoice(MAPUserAbortChoice mapUsrAbrtChoice) { 73 this.mapUserAbortChoice = mapUsrAbrtChoice; 74 } 75 76 public void setExtensionContainer(MAPExtensionContainer extensionContainer) { 77 this.extensionContainer = extensionContainer; 78 } 79 80 81 @Override 82 public int getTag() throws MAPException { 83 return MAP_USER_ABORT_INFO_TAG; 84 } 85 86 @Override 87 public int getTagClass() { 88 return Tag.CLASS_CONTEXT_SPECIFIC; 89 } 90 91 @Override 92 public boolean getIsPrimitive() { 93 return false; 94 } 95 96 @Override 97 public void decodeAll(AsnInputStream ansIS) throws MAPParsingComponentException { 98 99 try { 100 int length = ansIS.readLength(); 101 this._decode(ansIS, length); 102 } catch (IOException e) { 103 throw new MAPParsingComponentException("IOException when decoding MAPUserAbortInfo: " + e.getMessage(), e, 104 MAPParsingComponentExceptionReason.MistypedParameter); 105 } catch (AsnException e) { 106 throw new MAPParsingComponentException("AsnException when decoding MAPUserAbortInfo: " + e.getMessage(), e, 107 MAPParsingComponentExceptionReason.MistypedParameter); 108 } 109 } 110 111 @Override 112 public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException { 113 114 try { 115 this._decode(ansIS, length); 116 } catch (IOException e) { 117 throw new MAPParsingComponentException("IOException when decoding MAPUserAbortInfo: " + e.getMessage(), e, 118 MAPParsingComponentExceptionReason.MistypedParameter); 119 } catch (AsnException e) { 120 throw new MAPParsingComponentException("AsnException when decoding MAPUserAbortInfo: " + e.getMessage(), e, 121 MAPParsingComponentExceptionReason.MistypedParameter); 122 } 123 } 124 125 private void _decode(AsnInputStream ais, int length) throws MAPParsingComponentException, IOException, AsnException { 126 127 // MAP-UserAbortInfo ::= SEQUENCE { 128 // map-UserAbortChoice CHOICE { 129 // userSpecificReason [0] IMPLICIT NULL, 130 // userResourceLimitation [1] IMPLICIT NULL, 131 // resourceUnavailable [2] IMPLICIT ENUMERATED { 132 // shortTermResourceLimitation ( 0 ), 133 // longTermResourceLimitation ( 1 ) }, 134 // applicationProcedureCancellation [3] IMPLICIT ENUMERATED { 135 // handoverCancellation ( 0 ), 136 // radioChannelRelease ( 1 ), 137 // networkPathRelease ( 2 ), 138 // callRelease ( 3 ), 139 // associatedProcedureFailure ( 4 ), 140 // tandemDialogueRelease ( 5 ), 141 // remoteOperationsFailure ( 6 ) }}, 142 // ... , 143 // extensionContainer SEQUENCE { 144 // privateExtensionList [0] IMPLICIT SEQUENCE ( SIZE( 1 .. 10 ) ) OF 145 // SEQUENCE { 146 // extId MAP-EXTENSION .&extensionId ( { 147 // , 148 // ...} ) , 149 // extType MAP-EXTENSION .&ExtensionType ( { 150 // , 151 // ...} { @extId } ) OPTIONAL} OPTIONAL, 152 // pcs-Extensions [1] IMPLICIT SEQUENCE { 153 // ... } OPTIONAL, 154 // ... } OPTIONAL} 155 156 this.mapUserAbortChoice = null; 157 this.extensionContainer = null; 158 159 AsnInputStream localAis = ais.readSequenceStreamData(length); 160 161 int tag = localAis.readTag(); 162 163 if (localAis.getTagClass() != Tag.CLASS_CONTEXT_SPECIFIC || !localAis.isTagPrimitive()) 164 throw new MAPParsingComponentException("Error while decoding MAPUserAbortInfo.map-UserAbortChoice: bad tag class or not primitive element", 165 MAPParsingComponentExceptionReason.MistypedParameter); 166 167 MAPUserAbortChoiceImpl usAbrtChoice = new MAPUserAbortChoiceImpl(); 168 switch (tag) { 169 case MAPUserAbortChoiceImpl.USER_SPECIFIC_REASON_TAG: 170 localAis.readNull(); 171 usAbrtChoice.setUserSpecificReason(); 172 this.setMAPUserAbortChoice(usAbrtChoice); 173 break; 174 175 case MAPUserAbortChoiceImpl.USER_RESOURCE_LIMITATION_TAG: 176 localAis.readNull(); 177 usAbrtChoice.setUserResourceLimitation(); 178 this.setMAPUserAbortChoice(usAbrtChoice); 179 break; 180 181 case MAPUserAbortChoiceImpl.RESOURCE_UNAVAILABLE: 182 int code = (int) localAis.readInteger(); 183 ResourceUnavailableReason resUnaReas = ResourceUnavailableReason.getInstance(code); 184 usAbrtChoice.setResourceUnavailableReason(resUnaReas); 185 this.setMAPUserAbortChoice(usAbrtChoice); 186 break; 187 188 case MAPUserAbortChoiceImpl.APPLICATION_PROCEDURE_CANCELLATION: 189 code = (int) localAis.readInteger(); 190 ProcedureCancellationReason procCanReasn = ProcedureCancellationReason.getInstance(code); 191 usAbrtChoice.setProcedureCancellationReason(procCanReasn); 192 this.setMAPUserAbortChoice(usAbrtChoice); 193 break; 194 195 default: 196 throw new MAPParsingComponentException("Error while decoding MAPUserAbortInfo.map-UserAbortChoice: bad tag", 197 MAPParsingComponentExceptionReason.MistypedParameter); 198 } 199 200 while (localAis.available() > 0) { 201 tag = localAis.readTag(); 202 203 switch (localAis.getTagClass()) { 204 case Tag.CLASS_UNIVERSAL: 205 switch (tag) { 206 case Tag.SEQUENCE: 207 this.extensionContainer = new MAPExtensionContainerImpl(); 208 ((MAPExtensionContainerImpl)this.extensionContainer).decodeAll(localAis); 209 break; 210 211 default: 212 localAis.advanceElement(); 213 break; 214 } 215 break; 216 217 default: 218 localAis.advanceElement(); 219 break; 220 } 221 } 222 } 223 224 @Override 225 public void encodeAll(AsnOutputStream asnOs) throws MAPException { 226 227 this.encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, MAP_USER_ABORT_INFO_TAG); 228 } 229 230 @Override 231 public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException { 232 233 try { 234 asnOs.writeTag(tagClass, false, tag); 235 int pos = asnOs.StartContentDefiniteLength(); 236 this.encodeData(asnOs); 237 asnOs.FinalizeContent(pos); 238 } catch (AsnException e) { 239 throw new MAPException("AsnException when encoding MAPUserAbortInfo: " + e.getMessage(), e); 240 } 241 } 242 243 @Override 244 public void encodeData(AsnOutputStream asnOS) throws MAPException { 245 246 if (this.mapUserAbortChoice == null) 247 throw new MAPException("Error encoding MAPUserAbortInfo: UserSpecificReason must not be null"); 248 249 try { 250 if(this.mapUserAbortChoice.isUserSpecificReason()) { 251 asnOS.writeNull(Tag.CLASS_CONTEXT_SPECIFIC, MAPUserAbortChoiceImpl.USER_SPECIFIC_REASON_TAG); 252 } else if(this.mapUserAbortChoice.isUserResourceLimitation()) { 253 asnOS.writeNull(Tag.CLASS_CONTEXT_SPECIFIC, MAPUserAbortChoiceImpl.USER_RESOURCE_LIMITATION_TAG); 254 } else if(this.mapUserAbortChoice.isResourceUnavailableReason()) { 255 ResourceUnavailableReason rur = this.mapUserAbortChoice.getResourceUnavailableReason(); 256 if (rur == null) 257 throw new MAPException("Error encoding MAPUserAbortInfo: ResourceUnavailableReason value must not be null"); 258 asnOS.writeInteger(Tag.CLASS_CONTEXT_SPECIFIC, MAPUserAbortChoiceImpl.RESOURCE_UNAVAILABLE, rur.getCode()); 259 } else if(this.mapUserAbortChoice.isProcedureCancellationReason()) { 260 ProcedureCancellationReason pcr = this.mapUserAbortChoice.getProcedureCancellationReason(); 261 if (pcr == null) 262 throw new MAPException("Error encoding MAPUserAbortInfo: ProcedureCancellationReason value must not be null"); 263 asnOS.writeInteger(Tag.CLASS_CONTEXT_SPECIFIC, MAPUserAbortChoiceImpl.APPLICATION_PROCEDURE_CANCELLATION, pcr.getCode()); 264 } 265 266 if (this.extensionContainer != null) 267 ((MAPExtensionContainerImpl)this.extensionContainer).encodeAll(asnOS); 268 269 } catch (IOException e) { 270 throw new MAPException("IOException when encoding MAPUserAbortInfo: " + e.getMessage(), e); 271 } catch (AsnException e) { 272 throw new MAPException("AsnException when encoding MAPUserAbortInfo: " + e.getMessage(), e); 273 } 274 } 275} 276