/protocols/ss7/map/map-impl/src/main/java/org/mobicents/protocols/ss7/map/errors/MAPErrorMessageAbsentSubscriberImpl.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.errors;
 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.errors.AbsentSubscriberReason;
 35import org.mobicents.protocols.ss7.map.api.errors.MAPErrorCode;
 36import org.mobicents.protocols.ss7.map.api.errors.MAPErrorMessageAbsentSubscriber;
 37import org.mobicents.protocols.ss7.map.api.primitives.MAPExtensionContainer;
 38import org.mobicents.protocols.ss7.map.primitives.MAPExtensionContainerImpl;
 39
 40/**
 41 * 
 42 * @author sergey vetyutnev
 43 * 
 44 */
 45public class MAPErrorMessageAbsentSubscriberImpl extends MAPErrorMessageImpl implements MAPErrorMessageAbsentSubscriber {
 46
 47	public static final int AbsentSubscriberReason_TAG = 0;
 48
 49	private MAPExtensionContainer extensionContainer;
 50	private AbsentSubscriberReason absentSubscriberReason;	
 51	
 52	
 53	public MAPErrorMessageAbsentSubscriberImpl(MAPExtensionContainer extensionContainer, AbsentSubscriberReason absentSubscriberReason) {
 54		super((long) MAPErrorCode.absentSubscriber);
 55
 56		this.extensionContainer = extensionContainer;
 57		this.absentSubscriberReason = absentSubscriberReason;
 58	}	
 59	
 60	protected MAPErrorMessageAbsentSubscriberImpl() {
 61		super((long) MAPErrorCode.absentSubscriber);
 62	}	
 63
 64	
 65	@Override
 66	public boolean isEmAbsentSubscriber() {
 67		return true;
 68	}
 69
 70	@Override
 71	public MAPErrorMessageAbsentSubscriber getEmAbsentSubscriber() {
 72		return this;
 73	}
 74
 75	@Override
 76	public MAPExtensionContainer getExtensionContainer() {
 77		return this.extensionContainer;
 78	}
 79
 80	@Override
 81	public AbsentSubscriberReason getAbsentSubscriberReason() {
 82		return this.absentSubscriberReason;
 83	}
 84
 85	@Override
 86	public void setExtensionContainer(MAPExtensionContainer extensionContainer) {
 87		this.extensionContainer = extensionContainer;
 88	}
 89
 90	@Override
 91	public void setAbsentSubscriberReason(AbsentSubscriberReason absentSubscriberReason) {
 92		this.absentSubscriberReason = absentSubscriberReason;
 93	}	
 94	
 95	
 96	@Override
 97	public int getTag() throws MAPException {
 98		return Tag.SEQUENCE;
 99	}
100
101	@Override
102	public int getTagClass() {
103		return Tag.CLASS_UNIVERSAL;
104	}
105
106	@Override
107	public boolean getIsPrimitive() {
108		return false;
109	}
110
111	@Override
112	public void decodeAll(AsnInputStream ansIS) throws MAPParsingComponentException {
113
114		try {
115			int length = ansIS.readLength();
116			this._decode(ansIS, length);
117		} catch (IOException e) {
118			throw new MAPParsingComponentException("IOException when decoding MAPErrorMessageAbsentSubscriber: " + e.getMessage(), e,
119					MAPParsingComponentExceptionReason.MistypedParameter);
120		} catch (AsnException e) {
121			throw new MAPParsingComponentException("AsnException when decoding MAPErrorMessageAbsentSubscriber: " + e.getMessage(), e,
122					MAPParsingComponentExceptionReason.MistypedParameter);
123		}
124	}
125
126	@Override
127	public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException {
128
129		try {
130			this._decode(ansIS, length);
131		} catch (IOException e) {
132			throw new MAPParsingComponentException("IOException when decoding MAPErrorMessageAbsentSubscriber: " + e.getMessage(), e,
133					MAPParsingComponentExceptionReason.MistypedParameter);
134		} catch (AsnException e) {
135			throw new MAPParsingComponentException("AsnException when decoding MAPErrorMessageAbsentSubscriber: " + e.getMessage(), e,
136					MAPParsingComponentExceptionReason.MistypedParameter);
137		}
138	}
139
140	private void _decode(AsnInputStream localAis, int length) throws MAPParsingComponentException, IOException, AsnException {
141
142		this.extensionContainer = null;
143		this.absentSubscriberReason = null;
144		
145		if (localAis.getTagClass() != Tag.CLASS_UNIVERSAL || localAis.getTag() != Tag.SEQUENCE || localAis.isTagPrimitive())
146			throw new MAPParsingComponentException(
147					"Error decoding MAPErrorMessageAbsentSubscriber: bad tag class or tag or parameter is primitive",
148					MAPParsingComponentExceptionReason.MistypedParameter);
149
150		AsnInputStream ais = localAis.readSequenceStreamData(length);
151
152		while (true) {
153			if (ais.available() == 0)
154				break;
155
156			int tag = ais.readTag();
157
158			switch (ais.getTagClass()) {
159			case Tag.CLASS_UNIVERSAL:
160				switch (tag) {
161				case Tag.SEQUENCE:
162					this.extensionContainer = new MAPExtensionContainerImpl();
163					((MAPExtensionContainerImpl)this.extensionContainer).decodeAll(ais);
164					break;
165
166				default:
167					ais.advanceElement();
168					break;
169				}
170				break;
171
172			case Tag.CLASS_CONTEXT_SPECIFIC:
173				switch (tag) {
174				case AbsentSubscriberReason_TAG:
175					int code = (int) ais.readInteger();
176					this.absentSubscriberReason = AbsentSubscriberReason.getInstance(code);
177					break;
178
179				default:
180					ais.advanceElement();
181					break;
182				}
183				break;
184
185			default:
186				ais.advanceElement();
187				break;
188			}
189		}
190	}
191
192	@Override
193	public void encodeAll(AsnOutputStream asnOs) throws MAPException {
194
195		this.encodeAll(asnOs, Tag.CLASS_UNIVERSAL, Tag.SEQUENCE);
196	}
197
198	@Override
199	public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException {
200		
201		try {
202			asnOs.writeTag(tagClass, false, tag);
203			int pos = asnOs.StartContentDefiniteLength();
204			this.encodeData(asnOs);
205			asnOs.FinalizeContent(pos);
206		} catch (AsnException e) {
207			throw new MAPException("AsnException when encoding MAPErrorMessageAbsentSubscriber: " + e.getMessage(), e);
208		}
209	}
210
211	@Override
212	public void encodeData(AsnOutputStream aos) throws MAPException {
213
214		if (this.absentSubscriberReason == null && this.extensionContainer == null)
215			return;
216
217		try {
218			if (this.extensionContainer != null)
219				((MAPExtensionContainerImpl) this.extensionContainer).encodeAll(aos);
220			if (this.absentSubscriberReason != null)
221				aos.writeInteger(Tag.CLASS_CONTEXT_SPECIFIC, AbsentSubscriberReason_TAG, this.absentSubscriberReason.getCode());
222
223		} catch (IOException e) {
224			throw new MAPException("IOException when encoding MAPErrorMessageAbsentSubscriber: " + e.getMessage(), e);
225		} catch (AsnException e) {
226			throw new MAPException("AsnException when encoding MAPErrorMessageAbsentSubscriber: " + e.getMessage(), e);
227		}
228	}
229
230	@Override
231	public String toString() {
232		StringBuilder sb = new StringBuilder();
233		
234		sb.append("MAPErrorMessageAbsentSubscriber [");
235		if (this.extensionContainer != null)
236			sb.append("extensionContainer=" + this.extensionContainer.toString());
237		if (this.absentSubscriberReason != null)
238			sb.append(", absentSubscriberReason=" + this.absentSubscriberReason.toString());
239		sb.append("]");
240		
241		return sb.toString();
242	}
243
244}