/* * 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.isup.impl.message.parameter; 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.isup.ParameterException; import org.mobicents.protocols.ss7.isup.message.parameter.Problem; import org.mobicents.protocols.ss7.isup.message.parameter.ProblemType; import org.mobicents.protocols.ss7.isup.message.parameter.Reject; /** * @author baranowb * @author sergey vetyutnev * */ public class RejectImpl extends AbstractRemoteOperation implements Reject { // all are mandatory // this can actaully be null in this case. private Long invokeId; private Problem problem; public RejectImpl() { super(OperationType.Reject); } public Long getInvokeId() { return this.invokeId; } public Problem getProblem() { return this.problem; } 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; } public void setProblem(Problem p) { this.problem = p; } public String toString() { return "Reject[invokeId=" + invokeId + ", problem=" + problem + "]"; } public void decode(AsnInputStream ais) throws ParameterException { try { AsnInputStream localAis = ais.readSequenceStream(); int tag = localAis.readTag(); if (localAis.getTagClass() != Tag.CLASS_UNIVERSAL) { throw new ParameterException("Error while decoding Reject: bad tag class for InvokeID or NULL: tagClass = " + localAis.getTagClass()); } switch (tag) { case _TAG_IID: this.invokeId = localAis.readInteger(); break; case Tag.NULL: localAis.readNull(); break; } tag = localAis.readTag(); if (localAis.getTagClass() != ProblemType._TAG_CLASS) { throw new ParameterException( "Error while decoding Reject: bad tag class for a problem: tagClass = " + localAis.getTagClass()); } ProblemType pt = ProblemType.getFromInt(tag); if (pt == null) { throw new ParameterException( "Error while decoding Reject: ProblemType not found"); } this.problem = new ProblemImpl(); this.problem.setType(pt); ((AbstractAsnEncodable)this.problem).decode(localAis); } catch (IOException e) { throw new ParameterException("IOException while decoding Reject: " + e.getMessage(), e); } catch (AsnException e) { throw new ParameterException( "AsnException while decoding Reject: " + e.getMessage(), e); } } public void encode(AsnOutputStream aos) throws ParameterException { if (this.problem == null) { throw new ParameterException("Problem not set!"); } try { aos.writeTag(Tag.CLASS_CONTEXT_SPECIFIC, false, _TAG); int pos = aos.StartContentDefiniteLength(); if (this.invokeId == null) aos.writeNull(); else aos.writeInteger(this.invokeId); ((AbstractAsnEncodable)this.problem).encode(aos); aos.FinalizeContent(pos); } catch (IOException e) { throw new ParameterException("IOException while encoding Reject: " + e.getMessage(), e); } catch (AsnException e) { throw new ParameterException("AsnException while encoding Reject: " + e.getMessage(), e); } } }