/* * 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.map.primitives; 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.map.api.MAPException; import org.mobicents.protocols.ss7.map.api.MAPParsingComponentException; import org.mobicents.protocols.ss7.map.api.MAPParsingComponentExceptionReason; /** * * Super class for implementing primitives that are OCTET STRING (SIZE (1)) * * @author sergey vetyutnev * */ public abstract class OctetStringLength1Base implements MAPAsnPrimitive { protected int data; protected String _PrimitiveName; public OctetStringLength1Base(String _PrimitiveName) { this._PrimitiveName = _PrimitiveName; } public OctetStringLength1Base(String _PrimitiveName, int data) { this(_PrimitiveName); this.data = data; } public int getTag() throws MAPException { return Tag.STRING_OCTET; } public int getTagClass() { return Tag.CLASS_UNIVERSAL; } public boolean getIsPrimitive() { return true; } @Override public void decodeAll(AsnInputStream ansIS) throws MAPParsingComponentException { try { int length = ansIS.readLength(); this._decode(ansIS, length); } catch (IOException e) { throw new MAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e, MAPParsingComponentExceptionReason.MistypedParameter); } } public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException { try { this._decode(ansIS, length); } catch (IOException e) { throw new MAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e, MAPParsingComponentExceptionReason.MistypedParameter); } } protected void _decode(AsnInputStream ansIS, int length) throws MAPParsingComponentException, IOException { if (length != 1) throw new MAPParsingComponentException("Error decoding " + _PrimitiveName + ": the field must contain 1 octet. Contains: " + length, MAPParsingComponentExceptionReason.MistypedParameter); this.data = ansIS.read() & 0xFF; } public void encodeAll(AsnOutputStream asnOs) throws MAPException { this.encodeAll(asnOs, this.getTagClass(), this.getTag()); } public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException { try { asnOs.writeTag(tagClass, this.getIsPrimitive(), tag); int pos = asnOs.StartContentDefiniteLength(); this.encodeData(asnOs); asnOs.FinalizeContent(pos); } catch (AsnException e) { throw new MAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e); } } public void encodeData(AsnOutputStream asnOs) throws MAPException { asnOs.write(this.data); } @Override public int hashCode() { return data; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; OctetStringLength1Base other = (OctetStringLength1Base) obj; return data == other.data; } @Override public String toString() { return _PrimitiveName + " [Data=" + this.data + "]"; } }