/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2016, TeleStax Inc. and individual contributors
* by the @authors tag.
*
* This program is free software: you can redistribute it and/or modify
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* JBoss, Home of Professional Open Source
* Copyright 2007-2011, 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.jdiameter.client.impl.parser;
import java.net.InetAddress;
import java.net.URISyntaxException;
import java.net.UnknownServiceException;
import java.util.Date;
import org.jdiameter.api.Avp;
import org.jdiameter.api.AvpDataException;
import org.jdiameter.api.AvpSet;
import org.jdiameter.api.InternalException;
import org.jdiameter.api.URI;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author erick.svenson@yahoo.com
* @author <a href="mailto:brainslog@gmail.com"> Alexandre Mendonca </a>
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>
*/
class AvpImpl implements Avp {
private static final long serialVersionUID = 1L;
private static final ElementParser parser = new ElementParser();
int avpCode;
long vendorID;
boolean isMandatory = false;
boolean isEncrypted = false;
boolean isVendorSpecific = false;
byte[] rawData = new byte[0];
AvpSet groupedData;
private static final Logger logger = LoggerFactory.getLogger(AvpImpl.class);
AvpImpl(int code, int flags, long vnd, byte[] data) {
avpCode = code;
//
isMandatory = (flags & 0x40) != 0;
isEncrypted = (flags & 0x20) != 0;
isVendorSpecific = (flags & 0x80) != 0;
//
vendorID = vnd;
rawData = data;
}
AvpImpl(Avp avp) {
avpCode = avp.getCode();
vendorID = avp.getVendorId();
isMandatory = avp.isMandatory();
isEncrypted = avp.isEncrypted();
isVendorSpecific = avp.isVendorId();
try {
rawData = avp.getRaw();
if (rawData == null || rawData.length == 0) {
groupedData = avp.getGrouped();
}
}
catch (AvpDataException e) {
logger.debug("Can not create Avp", e);
}
}
AvpImpl (int newCode, Avp avp) {
this(avp);
avpCode = newCode;
}
@Override
public int getCode() {
return avpCode;
}
@Override
public boolean isVendorId() {
return isVendorSpecific;
}
@Override
public boolean isMandatory() {
return isMandatory;
}
@Override
public boolean isEncrypted() {
return isEncrypted;
}
@Override
public long getVendorId() {
return vendorID;
}
@Override
public byte[] getRaw() throws AvpDataException {
return rawData;
}
@Override
public byte[] getOctetString() throws AvpDataException {
return rawData;
}
@Override
public String getUTF8String() throws AvpDataException {
try {
return parser.bytesToUtf8String(rawData);
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public int getInteger32() throws AvpDataException {
try {
return parser.bytesToInt(rawData);
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public long getInteger64() throws AvpDataException {
try {
return parser.bytesToLong(rawData);
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public long getUnsigned32() throws AvpDataException {
try {
byte[] u32ext = new byte[8];
System.arraycopy(rawData, 0, u32ext, 4, 4);
return parser.bytesToLong(u32ext);
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public long getUnsigned64() throws AvpDataException {
try {
return parser.bytesToLong(rawData);
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public float getFloat32() throws AvpDataException {
try {
return parser.bytesToFloat(rawData);
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public double getFloat64() throws AvpDataException {
try {
return parser.bytesToDouble(rawData);
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public InetAddress getAddress() throws AvpDataException {
try {
return parser.bytesToAddress(rawData);
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public Date getTime() throws AvpDataException {
try {
return parser.bytesToDate(rawData);
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public String getDiameterIdentity() throws AvpDataException {
try {
return parser.bytesToOctetString(rawData);
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public URI getDiameterURI() throws AvpDataException {
try {
return new URI(parser.bytesToOctetString(rawData));
}
catch (URISyntaxException e) {
throw new AvpDataException(e, this);
}
catch (UnknownServiceException e) {
throw new AvpDataException(e, this);
}
}
@Override
public AvpSet getGrouped() throws AvpDataException {
try {
if (groupedData == null) {
groupedData = parser.decodeAvpSet(rawData);
rawData = new byte[0];
}
return groupedData;
}
catch (Exception e) {
throw new AvpDataException(e, this);
}
}
@Override
public boolean isWrapperFor(Class<?> aClass) throws InternalException {
return false;
}
@Override
public <T> T unwrap(Class<T> aClass) throws InternalException {
return null;
}
@Override
public byte[] getRawData() {
return (rawData == null || rawData.length == 0) ? parser.encodeAvpSet(groupedData) : rawData;
}
// Caching toString.. Avp shouldn't be modified once created.
private String toString;
@Override
public String toString() {
if (toString == null) {
this.toString = new StringBuffer("AvpImpl [avpCode=").append(avpCode).append(", vendorID=").append(vendorID).append("]@").append(super.hashCode()).
toString();
}
return this.toString;
}
}