/protocols/ss7/map/map-impl/src/main/java/org/mobicents/protocols/ss7/map/service/lsm/LCSPrivacyCheckImpl.java
Java | 294 lines | 163 code | 30 blank | 101 comment | 28 complexity | 003ea4560fdbdafcf13fe7764809cbca 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.service.lsm; 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.service.lsm.LCSPrivacyCheck; 35import org.mobicents.protocols.ss7.map.api.service.lsm.PrivacyCheckRelatedAction; 36import org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive; 37 38/** 39 * @author amit bhayani 40 * 41 */ 42public class LCSPrivacyCheckImpl implements LCSPrivacyCheck, MAPAsnPrimitive { 43 44 private static final int _TAG_CALL_SESSION_UNRELATED = 0; 45 private static final int _TAG_CALL_SESSION_RELATED = 1; 46 47 private PrivacyCheckRelatedAction callSessionUnrelated = null; 48 private PrivacyCheckRelatedAction callSessionRelated = null; 49 50 /** 51 * 52 */ 53 public LCSPrivacyCheckImpl() { 54 super(); 55 } 56 57 /** 58 * @param callSessionUnrelated 59 * @param callSessionRelated 60 */ 61 public LCSPrivacyCheckImpl(PrivacyCheckRelatedAction callSessionUnrelated, PrivacyCheckRelatedAction callSessionRelated) { 62 super(); 63 this.callSessionUnrelated = callSessionUnrelated; 64 this.callSessionRelated = callSessionRelated; 65 } 66 67 /* 68 * (non-Javadoc) 69 * 70 * @see org.mobicents.protocols.ss7.map.api.service.lsm.LCSPrivacyCheck# 71 * getCallSessionUnrelated() 72 */ 73 @Override 74 public PrivacyCheckRelatedAction getCallSessionUnrelated() { 75 return this.callSessionUnrelated; 76 } 77 78 /* 79 * (non-Javadoc) 80 * 81 * @see org.mobicents.protocols.ss7.map.api.service.lsm.LCSPrivacyCheck# 82 * getCallSessionRelated() 83 */ 84 @Override 85 public PrivacyCheckRelatedAction getCallSessionRelated() { 86 return this.callSessionRelated; 87 } 88 89 /* 90 * (non-Javadoc) 91 * 92 * @see 93 * org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#getTag() 94 */ 95 @Override 96 public int getTag() throws MAPException { 97 return Tag.SEQUENCE; 98 } 99 100 /* 101 * (non-Javadoc) 102 * 103 * @see 104 * org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#getTagClass 105 * () 106 */ 107 @Override 108 public int getTagClass() { 109 return Tag.CLASS_UNIVERSAL; 110 } 111 112 /* 113 * (non-Javadoc) 114 * 115 * @see 116 * org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#getIsPrimitive 117 * () 118 */ 119 @Override 120 public boolean getIsPrimitive() { 121 return false; 122 } 123 124 /* 125 * (non-Javadoc) 126 * 127 * @see 128 * org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#decodeAll 129 * (org.mobicents.protocols.asn.AsnInputStream) 130 */ 131 @Override 132 public void decodeAll(AsnInputStream ansIS) throws MAPParsingComponentException { 133 try { 134 int length = ansIS.readLength(); 135 this._decode(ansIS, length); 136 } catch (IOException e) { 137 throw new MAPParsingComponentException("IOException when decoding SM_RP_DA: " + e.getMessage(), e, 138 MAPParsingComponentExceptionReason.MistypedParameter); 139 } catch (AsnException e) { 140 throw new MAPParsingComponentException("AsnException when decoding SM_RP_DA: " + e.getMessage(), e, 141 MAPParsingComponentExceptionReason.MistypedParameter); 142 } 143 } 144 145 /* 146 * (non-Javadoc) 147 * 148 * @see 149 * org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#decodeData 150 * (org.mobicents.protocols.asn.AsnInputStream, int) 151 */ 152 @Override 153 public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException { 154 try { 155 this._decode(ansIS, length); 156 } catch (IOException e) { 157 throw new MAPParsingComponentException("IOException when decoding SM_RP_DA: " + e.getMessage(), e, 158 MAPParsingComponentExceptionReason.MistypedParameter); 159 } catch (AsnException e) { 160 throw new MAPParsingComponentException("AsnException when decoding SM_RP_DA: " + e.getMessage(), e, 161 MAPParsingComponentExceptionReason.MistypedParameter); 162 } 163 } 164 165 private void _decode(AsnInputStream asnIS, int length) throws MAPParsingComponentException, IOException, AsnException { 166 167 AsnInputStream ais = asnIS.readSequenceStreamData(length); 168 169 int tag = ais.readTag(); 170 171 // Decode callSessionUnrelated [0] PrivacyCheckRelatedAction 172 if (ais.getTagClass() != Tag.CLASS_CONTEXT_SPECIFIC || !ais.isTagPrimitive() || tag != _TAG_CALL_SESSION_UNRELATED) { 173 throw new MAPParsingComponentException( 174 "Error while decoding LCSPrivacyCheck: Parameter 0 [callSessionUnrelated [0] PrivacyCheckRelatedAction] bad tag class, tag or not primitive", 175 MAPParsingComponentExceptionReason.MistypedParameter); 176 } 177 178 int length1 = ais.readLength(); 179 int action = (int) ais.readIntegerData(length1); 180 this.callSessionUnrelated = PrivacyCheckRelatedAction.getPrivacyCheckRelatedAction(action); 181 182 while (true) { 183 if (ais.available() == 0) 184 break; 185 186 tag = ais.readTag(); 187 switch (tag) { 188 case _TAG_CALL_SESSION_RELATED: 189 if (ais.getTagClass() != Tag.CLASS_CONTEXT_SPECIFIC || !ais.isTagPrimitive()) { 190 throw new MAPParsingComponentException( 191 "Error while decoding LCSPrivacyCheck: Parameter 1 [callSessionRelated [1] PrivacyCheckRelatedAction] bad tag class, tag or not primitive", 192 MAPParsingComponentExceptionReason.MistypedParameter); 193 } 194 length1 = ais.readLength(); 195 action = (int) ais.readIntegerData(length1); 196 this.callSessionRelated = PrivacyCheckRelatedAction.getPrivacyCheckRelatedAction(action); 197 break; 198 default: 199 // Do we care? 200 ais.advanceElement(); 201 break; 202 } 203 } 204 } 205 206 /* 207 * (non-Javadoc) 208 * 209 * @see 210 * org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#encodeAll 211 * (org.mobicents.protocols.asn.AsnOutputStream) 212 */ 213 @Override 214 public void encodeAll(AsnOutputStream asnOs) throws MAPException { 215 this.encodeAll(asnOs, Tag.CLASS_UNIVERSAL, Tag.SEQUENCE); 216 } 217 218 /* 219 * (non-Javadoc) 220 * 221 * @see 222 * org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#encodeAll 223 * (org.mobicents.protocols.asn.AsnOutputStream, int, int) 224 */ 225 @Override 226 public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException { 227 try { 228 asnOs.writeTag(tagClass, false, tag); 229 int pos = asnOs.StartContentDefiniteLength(); 230 this.encodeData(asnOs); 231 asnOs.FinalizeContent(pos); 232 } catch (AsnException e) { 233 throw new MAPException("AsnException when encoding InformServiceCentreRequest: " + e.getMessage(), e); 234 } 235 } 236 237 /* 238 * (non-Javadoc) 239 * 240 * @see 241 * org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#encodeData 242 * (org.mobicents.protocols.asn.AsnOutputStream) 243 */ 244 @Override 245 public void encodeData(AsnOutputStream asnOs) throws MAPException { 246 if (this.callSessionUnrelated == null) { 247 throw new MAPException("Error while encoding LCSPrivacyCheck the mandatory parameter callSessionUnrelated is not defined"); 248 } 249 250 try { 251 asnOs.writeInteger(Tag.CLASS_CONTEXT_SPECIFIC, _TAG_CALL_SESSION_UNRELATED, this.callSessionUnrelated.getAction()); 252 } catch (IOException e) { 253 throw new MAPException("IOException when encoding parameter callSessionUnrelated", e); 254 } catch (AsnException e) { 255 throw new MAPException("AsnException when encoding parameter callSessionUnrelated", e); 256 } 257 258 if (this.callSessionRelated != null) { 259 try { 260 asnOs.writeInteger(Tag.CLASS_CONTEXT_SPECIFIC, _TAG_CALL_SESSION_RELATED, this.callSessionRelated.getAction()); 261 } catch (IOException e) { 262 throw new MAPException("IOException when encoding parameter callSessionRelated", e); 263 } catch (AsnException e) { 264 throw new MAPException("AsnException when encoding parameter callSessionRelated", e); 265 } 266 } 267 } 268 269 @Override 270 public int hashCode() { 271 final int prime = 31; 272 int result = 1; 273 result = prime * result + ((callSessionRelated == null) ? 0 : callSessionRelated.hashCode()); 274 result = prime * result + ((callSessionUnrelated == null) ? 0 : callSessionUnrelated.hashCode()); 275 return result; 276 } 277 278 @Override 279 public boolean equals(Object obj) { 280 if (this == obj) 281 return true; 282 if (obj == null) 283 return false; 284 if (getClass() != obj.getClass()) 285 return false; 286 LCSPrivacyCheckImpl other = (LCSPrivacyCheckImpl) obj; 287 if (callSessionRelated != other.callSessionRelated) 288 return false; 289 if (callSessionUnrelated != other.callSessionUnrelated) 290 return false; 291 return true; 292 } 293 294}