/* * 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.tcap.asn; import java.io.IOException; import org.mobicents.protocols.asn.AsnException; import org.mobicents.protocols.asn.AsnInputStream; import org.mobicents.protocols.asn.AsnOutputStream; import org.mobicents.protocols.asn.Tag; import org.mobicents.protocols.ss7.tcap.asn.comp.ComponentType; import org.mobicents.protocols.ss7.tcap.asn.comp.GeneralProblemType; import org.mobicents.protocols.ss7.tcap.asn.comp.OperationCode; import org.mobicents.protocols.ss7.tcap.asn.comp.Parameter; import org.mobicents.protocols.ss7.tcap.asn.comp.ReturnResult; /** * @author baranowb * @author amit bhayani * @author sergey vetyutnev * */ public class ReturnResultImpl implements ReturnResult { // mandatory private Long invokeId; // This is sequence, both must be present // optional: this is sequence private OperationCode operationCode; // optional private Parameter parameter; /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.tcap.asn.comp.Return#getInvokeId() */ public Long getInvokeId() { return this.invokeId; } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.tcap.asn.comp.Return#getOperationCode() */ public OperationCode getOperationCode() { return this.operationCode; } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.tcap.asn.comp.Return#getParameter() */ public Parameter getParameter() { return this.parameter; } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.tcap.asn.comp.Return#setInvokeId(java.lang .Long) */ public void setInvokeId(Long i) { if ((i == null) || (i < -128 || i > 127)) { throw new IllegalArgumentException("Invoke ID our of range: <-128,127>: " + i); } this.invokeId = i; } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.tcap.asn.comp.Return#setOperationCode(org * .mobicents.protocols.ss7.tcap.asn.comp.OperationCode[]) */ public void setOperationCode(OperationCode oc) { this.operationCode = oc; } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.tcap.asn.comp.Return#setParameter(org.mobicents .protocols.ss7.tcap.asn.comp.Parameter) */ public void setParameter(Parameter p) { this.parameter = p; } public ComponentType getType() { return ComponentType.ReturnResult; } public String toString() { return "ReturnResult[invokeId=" + invokeId + ", operationCode=" + operationCode + ", parameter=" + parameter + "]"; } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.tcap.asn.Encodable#decode(org.mobicents.protocols .asn.AsnInputStream) */ public void decode(AsnInputStream ais) throws ParseException { try { AsnInputStream localAis = ais.readSequenceStream(); int tag = localAis.readTag(); if (tag != _TAG_IID || localAis.getTagClass() != Tag.CLASS_UNIVERSAL) { throw new ParseException(null, GeneralProblemType.MistypedComponent, "Error while decoding ReturnLast: bad tag or tag class for InvokeID: tag=" + tag + ", tagClass = " + localAis.getTagClass()); } this.invokeId = localAis.readInteger(); if (localAis.available() <= 0) return; tag = localAis.readTag(); if (tag != Tag.SEQUENCE || localAis.getTagClass() != Tag.CLASS_UNIVERSAL) { throw new ParseException(null, GeneralProblemType.MistypedComponent, "Error while decoding ReturnLast: bad tag or tag class for sequence: tag=" + tag + ", tagClass = " + localAis.getTagClass()); } // sequence of OperationCode AsnInputStream sequenceStream = localAis.readSequenceStream(); tag = sequenceStream.readTag(); if (tag != OperationCode._TAG_GLOBAL && tag != OperationCode._TAG_LOCAL || localAis.getTagClass() != Tag.CLASS_UNIVERSAL) { throw new ParseException(null, GeneralProblemType.MistypedComponent, "Error while decoding ReturnLast: bad tag or tag class for operationCode: tag=" + tag + ", tagClass = " + localAis.getTagClass()); } this.operationCode = TcapFactory.createOperationCode(tag, sequenceStream); tag = sequenceStream.readTag(); this.parameter = TcapFactory.createParameter(tag, sequenceStream, true); } catch (IOException e) { throw new ParseException(null, GeneralProblemType.BadlyStructuredComponent, "IOException while decoding ReturnResult: " + e.getMessage(), e); } catch (AsnException e) { throw new ParseException(null, GeneralProblemType.BadlyStructuredComponent, "AsnException while decoding ReturnResult: " + e.getMessage(), e); } catch (ParseException e) { e.setInvokeId(this.invokeId); throw e; } } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.tcap.asn.Encodable#encode(org.mobicents.protocols .asn.AsnOutputStream) */ public void encode(AsnOutputStream aos) throws EncodeException { if (invokeId == null) throw new EncodeException("No Invoke ID set."); try { aos.writeTag(Tag.CLASS_CONTEXT_SPECIFIC, false, _TAG); int pos = aos.StartContentDefiniteLength(); aos.writeInteger(this.invokeId); if (this.operationCode != null && this.parameter != null) { aos.writeTag(Tag.CLASS_UNIVERSAL, false, Tag.SEQUENCE); int pos2 = aos.StartContentDefiniteLength(); this.operationCode.encode(aos); this.parameter.encode(aos); aos.FinalizeContent(pos2); } aos.FinalizeContent(pos); } catch (IOException e) { throw new EncodeException("IOException while encoding ReturnResult: " + e.getMessage(), e); } catch (AsnException e) { throw new EncodeException("AsnException while encoding ReturnResult: " + e.getMessage(), e); } } }