/protocols/ss7/map/map-impl/src/main/java/org/mobicents/protocols/ss7/map/primitives/MAPExtensionContainerImpl.java
Java | 306 lines | 215 code | 52 blank | 39 comment | 62 complexity | 885c483eb344ad0a94b5bb87c323984e MD5 | raw file
Possible License(s): LGPL-3.0, GPL-3.0, LGPL-2.1, GPL-2.0, CC-BY-SA-3.0, CC0-1.0, Apache-2.0, BSD-3-Clause
- /*
- * JBoss, Home of Professional Open Source
- * Copyright 2011, Red Hat, Inc. 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 java.util.ArrayList;
- import java.util.Arrays;
-
- 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;
- import org.mobicents.protocols.ss7.map.api.primitives.MAPExtensionContainer;
- import org.mobicents.protocols.ss7.map.api.primitives.MAPPrivateExtension;
-
- /**
- * @author sergey vetyutnev
- *
- */
- public class MAPExtensionContainerImpl implements MAPExtensionContainer, MAPAsnPrimitive {
-
- protected static final int PRIVATEEXTENSIONLIST_REF_TAG = 0x00;
- protected static final int PSCEXTENSIONS_REF_TAG = 0x01;
-
- private ArrayList<MAPPrivateExtension> privateExtensionList;
- private byte[] pcsExtensions;
-
- public MAPExtensionContainerImpl() {
- }
-
- public MAPExtensionContainerImpl(ArrayList<MAPPrivateExtension> privateExtensionList, byte[] pcsExtensions) {
- this.privateExtensionList = privateExtensionList;
- this.pcsExtensions = pcsExtensions;
- }
-
- @Override
- public ArrayList<MAPPrivateExtension> getPrivateExtensionList() {
- return this.privateExtensionList;
- }
-
- @Override
- public void setPrivateExtensionList(ArrayList<MAPPrivateExtension> privateExtensionList) {
- this.privateExtensionList = privateExtensionList;
- }
-
- @Override
- public byte[] getPcsExtensions() {
- return this.pcsExtensions;
- }
-
- @Override
- public void setPcsExtensions(byte[] pcsExtensions) {
- this.pcsExtensions = pcsExtensions;
- }
-
-
- @Override
- public int getTag() throws MAPException {
- return Tag.SEQUENCE;
- }
-
- @Override
- public int getTagClass() {
- return Tag.CLASS_UNIVERSAL;
- }
-
- @Override
- public boolean getIsPrimitive() {
- return false;
- }
-
-
- @Override
- public void decodeAll(AsnInputStream ansIS) throws MAPParsingComponentException {
- // Definition from GSM 09.02 version 5.15.1 Page 690
- // extensionContainer SEQUENCE {
- // privateExtensionList [0] IMPLICIT SEQUENCE ( SIZE( 1 .. 10 ) ) OF
- // SEQUENCE {
- // extId MAP-EXTENSION .&extensionId ( {
- // ,
- // ...} ) ,
- // extType MAP-EXTENSION .&ExtensionType ( {
- // ,
- // ...} { @extId } ) OPTIONAL} OPTIONAL,
- // pcs-Extensions [1] IMPLICIT SEQUENCE {
- // ... } OPTIONAL,
- // ... } OPTIONAL,
- // ... }
-
- try {
- AsnInputStream ais = ansIS.readSequenceStream();
- this._decode(ais);
- } catch (IOException e) {
- throw new MAPParsingComponentException("IOException when decoding ExtensionContainer: " + e.getMessage(), e,
- MAPParsingComponentExceptionReason.MistypedParameter);
- } catch (AsnException e) {
- throw new MAPParsingComponentException("AsnException when decoding ExtensionContainer: " + e.getMessage(), e,
- MAPParsingComponentExceptionReason.MistypedParameter);
- }
- }
-
- @Override
- public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException {
-
- try {
- AsnInputStream ais = ansIS.readSequenceStreamData(length);
- this._decode(ais);
- } catch (IOException e) {
- throw new MAPParsingComponentException("IOException when decoding ExtensionContainer: " + e.getMessage(), e,
- MAPParsingComponentExceptionReason.MistypedParameter);
- } catch (AsnException e) {
- throw new MAPParsingComponentException("AsnException when decoding ExtensionContainer: " + e.getMessage(), e,
- MAPParsingComponentExceptionReason.MistypedParameter);
- }
- }
-
- private void _decode(AsnInputStream ansIS) throws MAPParsingComponentException, IOException, AsnException {
-
- this.privateExtensionList = null;
- this.pcsExtensions = null;
-
- while (true) {
- if (ansIS.available() == 0)
- break;
-
- int tag = ansIS.readTag();
- if (tag == MAPExtensionContainerImpl.PRIVATEEXTENSIONLIST_REF_TAG && ansIS.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {
-
- if(ansIS.isTagPrimitive())
- throw new MAPParsingComponentException("Error while ExtensionContainer decoding: privateExtensionList is primitive",
- MAPParsingComponentExceptionReason.MistypedParameter);
- if (this.privateExtensionList != null)
- throw new MAPParsingComponentException("Error while ExtensionContainer decoding: More than one PrivateExtensionList has found",
- MAPParsingComponentExceptionReason.MistypedParameter);
-
- AsnInputStream localAis2 = ansIS.readSequenceStream();
- this.privateExtensionList = new ArrayList<MAPPrivateExtension>();
- while (localAis2.available() > 0) {
- tag = localAis2.readTag();
- if (tag != Tag.SEQUENCE || localAis2.getTagClass() != Tag.CLASS_UNIVERSAL || localAis2.isTagPrimitive())
- throw new MAPParsingComponentException("Error while ExtensionContainer decoding: Bad tag, tagClass or primitiveFactor of PrivateExtension",
- MAPParsingComponentExceptionReason.MistypedParameter);
- if (this.privateExtensionList.size() >= 10)
- throw new MAPParsingComponentException("More then 10 PrivateExtension found when PrivateExtensionList decoding",
- MAPParsingComponentExceptionReason.MistypedParameter);
-
- MAPPrivateExtensionImpl privateExtension = new MAPPrivateExtensionImpl();
- privateExtension.decodeAll(localAis2);
- this.privateExtensionList.add(privateExtension);
- }
- } else if (tag == MAPExtensionContainerImpl.PSCEXTENSIONS_REF_TAG && ansIS.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {
-
- if(ansIS.isTagPrimitive())
- throw new MAPParsingComponentException("Error while PCS-Extensions decoding: PCS-Extensions is primitive",
- MAPParsingComponentExceptionReason.MistypedParameter);
- if (this.pcsExtensions != null)
- throw new MAPParsingComponentException("Error while PCS-Extensions decoding: More than one PCS-Extensions has found",
- MAPParsingComponentExceptionReason.MistypedParameter);
-
- this.pcsExtensions = ansIS.readSequence();
- }
- }
- }
-
- @Override
- public void encodeAll(AsnOutputStream asnOs) throws MAPException {
-
- this.encodeAll(asnOs, Tag.CLASS_UNIVERSAL, Tag.SEQUENCE);
- }
-
- @Override
- public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException {
-
- try {
- asnOs.writeTag(tagClass, false, tag);
- int pos = asnOs.StartContentDefiniteLength();
- this.encodeData(asnOs);
- asnOs.FinalizeContent(pos);
- } catch (AsnException e) {
- throw new MAPException("AsnException when encoding ExtensionContainer: " + e.getMessage(), e);
- }
- }
-
- @Override
- public void encodeData(AsnOutputStream asnOs) throws MAPException {
-
- if (this.privateExtensionList == null && this.pcsExtensions == null)
- throw new MAPException(
- "Error when encoding ExtensionContainer: Both PrivateExtensionList and PcsExtensions are empty when ExtensionContainer encoding");
- if (this.privateExtensionList != null && (this.privateExtensionList.size() == 0 || this.privateExtensionList.size() > 10))
- throw new MAPException(
- "Error when encoding ExtensionContainer: PrivateExtensionList must contains from 1 to 10 elements when ExtensionContainer encoding");
-
- try {
-
- if (this.privateExtensionList != null) {
- asnOs.writeTag(Tag.CLASS_CONTEXT_SPECIFIC, false, PRIVATEEXTENSIONLIST_REF_TAG);
- int pos2 = asnOs.StartContentDefiniteLength();
-
- for (MAPPrivateExtension pe : this.privateExtensionList) {
- ((MAPPrivateExtensionImpl)pe).encodeAll(asnOs);
- }
-
- asnOs.FinalizeContent(pos2);
- }
-
- if (this.pcsExtensions != null) {
- asnOs.writeTag(Tag.CLASS_CONTEXT_SPECIFIC, false, PSCEXTENSIONS_REF_TAG);
- int pos2 = asnOs.StartContentDefiniteLength();
-
- asnOs.write(this.pcsExtensions);
-
- asnOs.FinalizeContent(pos2);
- }
- } catch (AsnException e) {
- throw new MAPException("AsnException when encoding ExtensionContainer: " + e.getMessage(), e);
- }
- }
-
-
- @Override
- public String toString() {
- StringBuilder sb = new StringBuilder();
- sb.append("ExtensionContainer [");
-
- if (this.privateExtensionList != null && this.privateExtensionList.size() > 0) {
- for(MAPPrivateExtension pe : this.privateExtensionList) {
- sb.append("\n");
- sb.append(pe.toString());
- }
- }
-
- if (this.pcsExtensions != null) {
- sb.append("\nPcsExtensions=");
- sb.append(this.ArrayToString(this.pcsExtensions));
- }
-
- sb.append("]");
-
- return sb.toString();
- }
-
- @Override
- public int hashCode() {
- final int prime = 31;
- int result = 1;
- result = prime * result + Arrays.hashCode(pcsExtensions);
- result = prime * result + ((privateExtensionList == null) ? 0 : privateExtensionList.hashCode());
- return result;
- }
-
- @Override
- public boolean equals(Object obj) {
- if (this == obj)
- return true;
- if (obj == null)
- return false;
- if (getClass() != obj.getClass())
- return false;
- MAPExtensionContainerImpl other = (MAPExtensionContainerImpl) obj;
- if (!Arrays.equals(pcsExtensions, other.pcsExtensions))
- return false;
- if (privateExtensionList == null) {
- if (other.privateExtensionList != null)
- return false;
- } else if (!privateExtensionList.equals(other.privateExtensionList))
- return false;
- return true;
- }
-
- private String ArrayToString(byte[] array) {
- StringBuilder sb = new StringBuilder();
- int i1 = 0;
- for (byte b : array) {
- if (i1 == 0)
- i1 = 1;
- else
- sb.append(", ");
- sb.append(b);
- }
- return sb.toString();
- }
- }