/protocols/ss7/map/map-impl/src/main/java/org/mobicents/protocols/ss7/map/primitives/CellGlobalIdOrServiceAreaIdOrLAIImpl.java

  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.primitives;
 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.primitives.CellGlobalIdOrServiceAreaIdFixedLength;
 35import org.mobicents.protocols.ss7.map.api.primitives.CellGlobalIdOrServiceAreaIdOrLAI;
 36import org.mobicents.protocols.ss7.map.api.primitives.LAIFixedLength;
 37
 38/**
 39 * @author amit bhayani
 40 * 
 41 */
 42public class CellGlobalIdOrServiceAreaIdOrLAIImpl implements CellGlobalIdOrServiceAreaIdOrLAI, MAPAsnPrimitive {
 43	
 44	private static final int _TAG_CELL_GLOBAL_ID_OR_SERVICE_AREAR_ID = 0;
 45	private static final int _TAG_LAI = 1;
 46
 47	private CellGlobalIdOrServiceAreaIdFixedLength cellGlobalIdOrServiceAreaIdFixedLength = null;
 48	private LAIFixedLength laiFixedLength = null;
 49
 50	/**
 51	 * 
 52	 */
 53	public CellGlobalIdOrServiceAreaIdOrLAIImpl() {
 54		super();
 55	}
 56
 57	public CellGlobalIdOrServiceAreaIdOrLAIImpl(CellGlobalIdOrServiceAreaIdFixedLength cellGlobalIdOrServiceAreaIdFixedLength) {
 58
 59		this.cellGlobalIdOrServiceAreaIdFixedLength = cellGlobalIdOrServiceAreaIdFixedLength;
 60	}
 61
 62	public CellGlobalIdOrServiceAreaIdOrLAIImpl(LAIFixedLength laiFixedLength) {
 63
 64		this.laiFixedLength = laiFixedLength;
 65	}
 66	
 67	/*
 68	 * (non-Javadoc)
 69	 * 
 70	 * @see org.mobicents.protocols.ss7.map.api.service.lsm.
 71	 * CellGlobalIdOrServiceAreaIdOrLAI
 72	 * #getCellGlobalIdOrServiceAreaIdFixedLength()
 73	 */
 74	@Override
 75	public CellGlobalIdOrServiceAreaIdFixedLength getCellGlobalIdOrServiceAreaIdFixedLength() {
 76		return this.cellGlobalIdOrServiceAreaIdFixedLength;
 77	}
 78
 79	/*
 80	 * (non-Javadoc)
 81	 * 
 82	 * @see org.mobicents.protocols.ss7.map.api.service.lsm.
 83	 * CellGlobalIdOrServiceAreaIdOrLAI#getLAIFixedLength()
 84	 */
 85	@Override
 86	public LAIFixedLength getLAIFixedLength() {
 87		return this.laiFixedLength;
 88	}
 89
 90	/* (non-Javadoc)
 91	 * @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#getTag()
 92	 */
 93	@Override
 94	public int getTag() throws MAPException {
 95		if (this.cellGlobalIdOrServiceAreaIdFixedLength != null) {
 96			return _TAG_CELL_GLOBAL_ID_OR_SERVICE_AREAR_ID;
 97		} else {
 98			return _TAG_LAI;
 99		}
100	}
101
102	/* (non-Javadoc)
103	 * @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#getTagClass()
104	 */
105	@Override
106	public int getTagClass() {
107		return Tag.CLASS_CONTEXT_SPECIFIC;
108	}
109
110	/* (non-Javadoc)
111	 * @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#getIsPrimitive()
112	 */
113	@Override
114	public boolean getIsPrimitive() {
115		return true;
116	}
117
118	/* (non-Javadoc)
119	 * @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#decodeAll(org.mobicents.protocols.asn.AsnInputStream)
120	 */
121	@Override
122	public void decodeAll(AsnInputStream ansIS) throws MAPParsingComponentException {
123		try {
124			int length = ansIS.readLength();
125			this._decode(ansIS, length);
126		} catch (IOException e) {
127			throw new MAPParsingComponentException("IOException when decoding CellGlobalIdOrServiceAreaIdOrLAI: " + e.getMessage(), e,
128					MAPParsingComponentExceptionReason.MistypedParameter);
129		} catch (AsnException e) {
130			throw new MAPParsingComponentException("AsnException when decoding CellGlobalIdOrServiceAreaIdOrLAI: " + e.getMessage(), e,
131					MAPParsingComponentExceptionReason.MistypedParameter);
132		}		
133	}
134
135	/* (non-Javadoc)
136	 * @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#decodeData(org.mobicents.protocols.asn.AsnInputStream, int)
137	 */
138	@Override
139	public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException {
140		try {
141			this._decode(ansIS, length);
142		} catch (IOException e) {
143			throw new MAPParsingComponentException("IOException when decoding CellGlobalIdOrServiceAreaIdOrLAI: " + e.getMessage(), e,
144					MAPParsingComponentExceptionReason.MistypedParameter);
145		} catch (AsnException e) {
146			throw new MAPParsingComponentException("AsnException when decoding CellGlobalIdOrServiceAreaIdOrLAI: " + e.getMessage(), e,
147					MAPParsingComponentExceptionReason.MistypedParameter);
148		}		
149	}
150
151	private void _decode(AsnInputStream asnIS, int length) throws MAPParsingComponentException, IOException, AsnException {
152		
153		if (asnIS.getTagClass() != Tag.CLASS_CONTEXT_SPECIFIC || !asnIS.isTagPrimitive())
154			throw new MAPParsingComponentException("Error while decoding CellGlobalIdOrServiceAreaIdOrLAI: bad tag class or is not primitive: TagClass=" + asnIS.getTagClass(),
155					MAPParsingComponentExceptionReason.MistypedParameter);
156
157		switch (asnIS.getTag()) {
158		case _TAG_CELL_GLOBAL_ID_OR_SERVICE_AREAR_ID:
159			this.cellGlobalIdOrServiceAreaIdFixedLength = new CellGlobalIdOrServiceAreaIdFixedLengthImpl();
160			((CellGlobalIdOrServiceAreaIdFixedLengthImpl)this.cellGlobalIdOrServiceAreaIdFixedLength).decodeData(asnIS, length);
161			break;
162		case _TAG_LAI:
163			this.laiFixedLength = new LAIFixedLengthImpl();
164			((LAIFixedLengthImpl)this.laiFixedLength).decodeData(asnIS, length);
165			break;
166		default:
167			throw new MAPParsingComponentException(
168					"Error while decoding AdditionalNumber: Expexted msc-Number [0] ISDN-AddressString or sgsn-Number [1] ISDN-AddressString, but found "
169							+ asnIS.getTag(), MAPParsingComponentExceptionReason.MistypedParameter);
170		}
171	}
172
173	/* (non-Javadoc)
174	 * @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#encodeAll(org.mobicents.protocols.asn.AsnOutputStream)
175	 */
176	@Override
177	public void encodeAll(AsnOutputStream asnOs) throws MAPException {
178		this.encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, this.getTag());		
179	}
180
181	/* (non-Javadoc)
182	 * @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#encodeAll(org.mobicents.protocols.asn.AsnOutputStream, int, int)
183	 */
184	@Override
185	public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException {
186		try {
187			asnOs.writeTag(tagClass, true, tag);
188			int pos = asnOs.StartContentDefiniteLength();
189			this.encodeData(asnOs);
190			asnOs.FinalizeContent(pos);
191		} catch (AsnException e) {
192			throw new MAPException("AsnException when encoding CellGlobalIdOrServiceAreaIdOrLAI: " + e.getMessage(), e);
193		}		
194	}
195
196	/* (non-Javadoc)
197	 * @see org.mobicents.protocols.ss7.map.api.primitives.MAPAsnPrimitive#encodeData(org.mobicents.protocols.asn.AsnOutputStream)
198	 */
199	@Override
200	public void encodeData(AsnOutputStream asnOs) throws MAPException {
201
202		if (this.cellGlobalIdOrServiceAreaIdFixedLength == null && this.laiFixedLength == null)
203			throw new MAPException("Error while encoding the CellGlobalIdOrServiceAreaIdOrLAI: both cellGlobalIdOrServiceAreaIdFixedLength and laiFixedLength are not defined");
204		
205		if(this.cellGlobalIdOrServiceAreaIdFixedLength != null){
206			((CellGlobalIdOrServiceAreaIdFixedLengthImpl)this.cellGlobalIdOrServiceAreaIdFixedLength).encodeData(asnOs);
207		} else {
208			((LAIFixedLengthImpl)this.laiFixedLength).encodeData(asnOs);
209		}
210	}
211	
212	@Override
213	public String toString() {
214		StringBuilder sb = new StringBuilder();
215		
216		sb.append("CellGlobalIdOrServiceAreaIdOrLAI [");
217		if (this.cellGlobalIdOrServiceAreaIdFixedLength != null)
218			sb.append(this.cellGlobalIdOrServiceAreaIdFixedLength.toString());
219		if (this.laiFixedLength != null)
220			sb.append(this.laiFixedLength.toString());
221		sb.append("]");
222
223		return sb.toString();
224	}
225
226	@Override
227	public int hashCode() {
228		final int prime = 31;
229		int result = 1;
230		result = prime
231				* result
232				+ ((cellGlobalIdOrServiceAreaIdFixedLength == null) ? 0 : cellGlobalIdOrServiceAreaIdFixedLength
233						.hashCode());
234		result = prime * result + ((laiFixedLength == null) ? 0 : laiFixedLength.hashCode());
235		return result;
236	}
237
238	@Override
239	public boolean equals(Object obj) {
240		if (this == obj)
241			return true;
242		if (obj == null)
243			return false;
244		if (getClass() != obj.getClass())
245			return false;
246		CellGlobalIdOrServiceAreaIdOrLAIImpl other = (CellGlobalIdOrServiceAreaIdOrLAIImpl) obj;
247		if (cellGlobalIdOrServiceAreaIdFixedLength == null) {
248			if (other.cellGlobalIdOrServiceAreaIdFixedLength != null)
249				return false;
250		} else if (!cellGlobalIdOrServiceAreaIdFixedLength.equals(other.cellGlobalIdOrServiceAreaIdFixedLength))
251			return false;
252		if (laiFixedLength == null) {
253			if (other.laiFixedLength != null)
254				return false;
255		} else if (!laiFixedLength.equals(other.laiFixedLength))
256			return false;
257		return true;
258	}
259}
260