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/*
* 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
*
* 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.common.impl.validation;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.jdiameter.api.Avp;
import org.jdiameter.api.AvpSet;
import org.jdiameter.api.Message;
import org.jdiameter.api.validation.AvpNotAllowedException;
import org.jdiameter.api.validation.AvpRepresentation;
import org.jdiameter.api.validation.MessageRepresentation;
import org.jdiameter.api.validation.ValidatorLevel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This class represents message/command in validation framework. It contains basic info about command along with avp
* list - their multiplicity and allowance.
*
* @author Bartosz Baranowski
* @author Alexandre Mendonca
* @since 1.5.4.0-build404
*/
@SuppressWarnings("all") //3rd party lib
public class MessageRepresentationImpl implements MessageRepresentation {
private static transient Logger logger = LoggerFactory.getLogger(MessageRepresentationImpl.class);
private int commandCode = -1;
private long applicationId = 0;
private boolean isRequest = false;
protected Map unmuttableMessageAvps = new HashMap();
private String name = null;
public MessageRepresentationImpl(int commandCode, long applicationId, boolean isRequest) {
super();
this.commandCode = commandCode;
this.applicationId = applicationId;
this.isRequest = isRequest;
}
public MessageRepresentationImpl(int commandCode, boolean isRequest) {
this(commandCode, 0, isRequest);
}
public MessageRepresentationImpl(int commandCode, long applicationId, boolean isRequest, String name) {
super();
this.commandCode = commandCode;
this.applicationId = applicationId;
this.isRequest = isRequest;
this.name = name;
}
public MessageRepresentationImpl(MessageRepresentationImpl clone) {
super();
this.applicationId = clone.applicationId;
this.commandCode = clone.commandCode;
this.isRequest = clone.isRequest;
this.name = clone.name;
// TODO: copy avps?
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (int) (applicationId ^ (applicationId >>> 32));
result = prime * result + commandCode;
result = prime * result + (isRequest ? 1231 : 1237);
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
MessageRepresentationImpl other = (MessageRepresentationImpl) obj;
if (applicationId != other.applicationId) {
return false;
}
if (commandCode != other.commandCode) {
return false;
}
if (isRequest != other.isRequest) {
return false;
}
return true;
}
@Override
public Map getMessageAvps() {
return unmuttableMessageAvps;
}
public void setMessageAvps(Map messageAvps) {
//this.unmuttableMessageAvps = Collections.unmodifiableMap(messageAvps);
this.unmuttableMessageAvps = messageAvps;
}
@Override
public int getCommandCode() {
return commandCode;
}
@Override
public long getApplicationId() {
return applicationId;
}
@Override
public boolean isRequest() {
return isRequest;
}
@Override
public String getName() {
return name;
}
@Override
public AvpRepresentation getAvp(int code) {
return getAvp(code, 0);
}
@Override
public AvpRepresentation getAvp(int code, long vendorId) {
AvpRepresentation avp = unmuttableMessageAvps.get(new AvpRepresentationImpl(code, vendorId));
if (avp == null) {
logger.warn("AVP with code " + code + " and Vendor-Id " + vendorId + " not present in Message Representation!");
}
return avp;
}
// Convenience methods ------------------------------------------------------
@Override
public boolean isAllowed(int code, long vendorId) {
AvpRepresentation avpRep = new AvpRepresentationImpl(code, vendorId);
avpRep = this.unmuttableMessageAvps.get(avpRep);
if (avpRep == null) {
return true;
}
return avpRep.isAllowed();
}
@Override
public boolean isAllowed(int code) {
return this.isAllowed(code, 0);
}
@Override
public boolean isCountValidForMultiplicity(int code, int avpCount) {
return this.isCountValidForMultiplicity(code, 0, avpCount);
}
@Override
public boolean isCountValidForMultiplicity(int code, long vendorId, int avpCount) {
AvpRepresentation avpRep = getAvp(code, vendorId);
if (avpRep == null) {
return true;
}
return avpRep.isCountValidForMultiplicity(avpCount);
}
@Override
public boolean isCountValidForMultiplicity(AvpSet destination, int code, long vendorId) {
return this.isCountValidForMultiplicity(destination, code, vendorId, 0);
}
@Override
public boolean isCountValidForMultiplicity(AvpSet destination, int code) {
return this.isCountValidForMultiplicity(destination, code, 0L);
}
@Override
public boolean isCountValidForMultiplicity(AvpSet destination, int code, long vendorId, int numberToAdd) {
AvpRepresentation avpRep = getAvp(code, vendorId);
if (avpRep == null) {
return true;
}
return avpRep.isCountValidForMultiplicity(destination, numberToAdd);
}
@Override
public boolean isCountValidForMultiplicity(AvpSet destination, int code, int numberToAdd) {
return this.isCountValidForMultiplicity(destination, code, 0, numberToAdd);
}
/*
* (non-Javadoc)
*
* @see java.lang.Comparable#compareTo(java.lang.Object)
*/
public int compareTo(MessageRepresentation o) {
if (o == this) {
return 0;
}
if (o == null) {
return 1;
}
return this.hashCode() - o.hashCode();
}
@Override
public Object clone() throws CloneNotSupportedException {
MessageRepresentationImpl clone = (MessageRepresentationImpl) super.clone();
clone.applicationId = this.applicationId;
clone.commandCode = this.commandCode;
clone.isRequest = this.isRequest;
clone.name = this.name;
// clone.messageAvps = new HashMap();
Map map = new HashMap();
for (Entry entry : this.unmuttableMessageAvps.entrySet()) {
map.put((AvpRepresentation) entry.getKey().clone(), (AvpRepresentation) entry.getValue().clone());
}
clone.setMessageAvps(map);
return clone;
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append(isRequest ? "Request" : "Answer").append(" code: ").append(this.commandCode).append(" applicationId: ")
.append(this.applicationId)
.append(" name: ").append(this.name);
for (AvpRepresentation childAvp : this.getMessageAvps().values()) {
sb.append("\n").append(childAvp.toString());
}
return sb.toString();
}
// Validation part ----------------------------------------------------------
@Override
public void validate(Message msg, ValidatorLevel validatorLevel) throws AvpNotAllowedException {
if (validatorLevel == ValidatorLevel.OFF) {
return;
}
// if its !OFF, we will go down, at least to this section
for (AvpRepresentation ap : this.unmuttableMessageAvps.values()) {
AvpSet innerSet = msg.getAvps().getAvps(ap.getCode(), ap.getVendorId());
int count = 0;
if (innerSet != null) {
count = innerSet.size();
}
if (!ap.isCountValidForMultiplicity(count)) {
throw new AvpNotAllowedException("AVP: \n" + ap + "\n, has wrong count in message - " + (count), ap.getCode(),
ap.getVendorId());
}
// if its ALL, we need to go down deeper in AVPs
if (validatorLevel != ValidatorLevel.ALL) {
continue;
}
if (count != 0 && ap.isGrouped()) {
// we are grouped
validateGrouped(ap, innerSet);
}
}
}
/**
* @param ap
* @param innerSet
*/
private void validateGrouped(AvpRepresentation ap, AvpSet innerSet) {
// we have set of grouped avps, and ap is grouped, lets validate
// NOTE this methods can be called multiple time, until we dont have
for (int index = 0; index < innerSet.size(); index++) {
Avp presumablyGrouped = innerSet.getAvpByIndex(index);
ap.validate(presumablyGrouped);
// AvpSet groupedPart = null;
// try {
// groupedPart = presumablyGrouped.getGrouped();
// }
// catch (AvpDataException e) {
// logger.debug("Failed to get grouped AVP.", e);
// }
//
// if (groupedPart == null) {
// logger.error("Avp should be grouped, but its not: " + ap);
//
// continue;
// }
// else {
// validateGroupedChildren(ap, groupedPart);
// }
}
}
// /**
// * @param ap
// * @param presumablyGrouped
// */
// private void validateGroupedChildren(AvpRepresentation ap, AvpSet groupedAvp) {
// // we have grouped avp, and its representation, we should validate
// // children.
// for (AvpRepresentation childrenVAvp : ap.getChildren()) {
// AvpSet childSset = groupedAvp.getAvps(childrenVAvp.getCode(), childrenVAvp.getVendorId());
// int count = childSset.size();
//
// if (!childrenVAvp.isCountValidForMultiplicity(count)) {
// throw new AvpNotAllowedException("AVP: " + childrenVAvp + " has wrong count, in grouped parent avp - " + (count) + ", allowed: "
// + childrenVAvp.getMultiplicityIndicator(), ap.getCode(), ap.getVendorId());
// }
// if (childrenVAvp.isGrouped()) {
//
// validateGrouped(childrenVAvp, childSset);
// }
// // else we are good ?
// }
//
// }
}
