/*

 * 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.

 */



/*

 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.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.MAPPrivateExtension;



/**

 * @author sergey vetyutnev

 * 

 */

public class MAPPrivateExtensionImpl implements MAPPrivateExtension, MAPAsnPrimitive {



	private long[] oId;

	private byte[] data;



	public MAPPrivateExtensionImpl() {

	}



	public MAPPrivateExtensionImpl(long[] oId, byte[] data) {

		this.oId = oId;

		this.data = data;

	}



	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * org.mobicents.protocols.ss7.map.api.dialog.MAPPrivateExtension#getOId()

	 */

	@Override

	public long[] getOId() {

		return this.oId;

	}



	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * org.mobicents.protocols.ss7.map.api.dialog.MAPPrivateExtension#setOId

	 * (long[])

	 */

	@Override

	public void setOId(long[] oId) {

		this.oId = oId;

	}



	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * org.mobicents.protocols.ss7.map.api.dialog.MAPPrivateExtension#getData()

	 */

	@Override

	public byte[] getData() {

		return this.data;

	}



	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * org.mobicents.protocols.ss7.map.api.dialog.MAPPrivateExtension#setData

	 * (byte[])

	 */

	@Override

	public void setData(byte[] data) {

		this.data = data;

	}





	@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 PrivateExtension: " + e.getMessage(), e,

					MAPParsingComponentExceptionReason.MistypedParameter);

		} catch (AsnException e) {

			throw new MAPParsingComponentException("AsnException when decoding PrivateExtension: " + 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 PrivateExtension: " + e.getMessage(), e,

					MAPParsingComponentExceptionReason.MistypedParameter);

		} catch (AsnException e) {

			throw new MAPParsingComponentException("AsnException when decoding PrivateExtension: " + e.getMessage(), e,

					MAPParsingComponentExceptionReason.MistypedParameter);

		}

	}

	

	private void _decode(AsnInputStream ansIS) throws MAPParsingComponentException, IOException, AsnException {



		// extId

		int tag = ansIS.readTag();

		if (tag != Tag.OBJECT_IDENTIFIER || ansIS.getTagClass() != Tag.CLASS_UNIVERSAL || !ansIS.isTagPrimitive())

			throw new MAPParsingComponentException("Error decoding PrivateExtension: bad tag, tagClass or primitiveFactor of ExtentionId",

					MAPParsingComponentExceptionReason.MistypedParameter);

		this.oId = ansIS.readObjectIdentifier();



		// extType

		if (ansIS.available() > 0) {

			this.data = new byte[ansIS.available()];

			ansIS.read(this.data);

		}

		else

			this.data = null;

	}



	@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 PrivateExtension: " + e.getMessage(), e);

		}

	}



	@Override

	public void encodeData(AsnOutputStream asnOs) throws MAPException {

		

		if (this.oId == null || this.oId.length < 2)

			throw new MAPException("Error when encoding PrivateExtension: OId value must not be empty when coding PrivateExtension");

		

		try {

			asnOs.writeObjectIdentifier(this.oId);

			if (this.data != null)

				asnOs.write(this.data);

		} catch (IOException e) {

			throw new MAPException("IOException when encoding PrivateExtension: " + e.getMessage(), e);

		} catch (AsnException e) {

			throw new MAPException("AsnException when encoding PrivateExtension: " + e.getMessage(), e);

		}

	}

	

	@Override

	public String toString() {

		StringBuilder sb = new StringBuilder();

		sb.append("PrivateExtension [");

		

		if (this.oId != null || this.oId.length > 0) {

			sb.append("Oid=");

			sb.append(this.ArrayToString(this.oId));

		}



		if (this.data != null ) {

			sb.append(", data=");

			sb.append(this.ArrayToString(this.data));

		}



		sb.append("]");



		return sb.toString();

	}

	

	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();

	}

	

	private String ArrayToString(long[] array) {

		StringBuilder sb = new StringBuilder();

		int i1 = 0;

		for (long b : array) {

			if (i1 == 0)

				i1 = 1;

			else

				sb.append(", ");

			sb.append(b);

		}

		return sb.toString();

	}



	@Override

	public int hashCode() {

		final int prime = 31;

		int result = 1;

		result = prime * result + Arrays.hashCode(data);

		result = prime * result + Arrays.hashCode(oId);

		return result;

	}



	@Override

	public boolean equals(Object obj) {

		if (this == obj)

			return true;

		if (obj == null)

			return false;

		if (getClass() != obj.getClass())

			return false;

		MAPPrivateExtensionImpl other = (MAPPrivateExtensionImpl) obj;

		if (!Arrays.equals(data, other.data))

			return false;

		if (!Arrays.equals(oId, other.oId))

			return false;

		return true;

	}



	

	// ...............................

	





}