/*
* TeleStax, Open Source Cloud Communications
* Copyright 2012, Telestax 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.isup.impl.message.parameter;
import javolution.xml.XMLFormat;
import javolution.xml.stream.XMLStreamException;
import org.mobicents.protocols.ss7.isup.ParameterException;
import org.mobicents.protocols.ss7.isup.message.parameter.RedirectionInformation;
/**
* Start time:15:18:18 2009-04-02<br>
* Project: mobicents-isup-stack<br>
*
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>
* @author sergey vetyutnev
*/
public class RedirectionInformationImpl extends AbstractISUPParameter implements RedirectionInformation {
private static final String REDIRECTING_INDICATOR = "redirectingIndicator";
private static final String ORIGINAL_REDIRECTION_REASON = "originalRedirectionReason";
private static final String REDIRECTION_COUNTER = "redirectionCounter";
private static final String REDIRECTION_REASON = "redirectionReason";
private static final int DEFAULT_INT_VALUE = 0;
private int redirectingIndicator;
private int originalRedirectionReason;
private int redirectionCounter;
private int redirectionReason;
public RedirectionInformationImpl(byte[] b) throws IllegalArgumentException, ParameterException {
super();
decode(b);
}
public RedirectionInformationImpl(int redirectingIndicator, int originalRedirectionReason, int redirectionCounter,
int redirectionReason) throws IllegalArgumentException {
super();
this.setRedirectingIndicator(redirectingIndicator);
this.setOriginalRedirectionReason(originalRedirectionReason);
this.setRedirectionCounter(redirectionCounter);
this.setRedirectionReason(redirectionReason);
}
public RedirectionInformationImpl() {
super();
}
public int decode(byte[] b) throws ParameterException {
if (b == null || b.length != 2) {
throw new ParameterException("byte[] must not be null and length must be 2");
}
try {
this.setRedirectingIndicator((b[0] & 0x07));
this.setOriginalRedirectionReason(((b[0] >> 4) & 0x0F));
this.setRedirectionCounter((b[1] & 0x07));
this.setRedirectionReason(((b[1] >> 4) & 0x0F));
} catch (Exception e) {
throw new ParameterException(e);
}
return 2;
}
public byte[] encode() throws ParameterException {
int b0 = redirectingIndicator & 0x07;
b0 |= (this.originalRedirectionReason & 0x0F) << 4;
int b1 = redirectionCounter & 0x07;
b1 |= (this.redirectionReason & 0x0F) << 4;
return new byte[] { (byte) b0, (byte) b1 };
}
public int getRedirectingIndicator() {
return redirectingIndicator;
}
public void setRedirectingIndicator(int redirectingIndicator) {
this.redirectingIndicator = redirectingIndicator & 0x07;
}
public int getOriginalRedirectionReason() {
return originalRedirectionReason;
}
public void setOriginalRedirectionReason(int originalRedirectionReason) {
this.originalRedirectionReason = originalRedirectionReason & 0x0F;
}
public int getRedirectionCounter() {
return redirectionCounter;
}
public void setRedirectionCounter(int redirectionCounter) throws IllegalArgumentException {
if (redirectionCounter < 1 || redirectionCounter > 5) {
throw new IllegalArgumentException("Out of range - must be between 1 and 5");
}
this.redirectionCounter = redirectionCounter & 0x07;
}
public int getRedirectionReason() {
return redirectionReason;
}
public void setRedirectionReason(int redirectionReason) {
this.redirectionReason = redirectionReason & 0x0F;
}
public String toString() {
return "RedirectionInformation [redirectingIndicator=" + redirectingIndicator + ", originalRedirectionReason="
+ originalRedirectionReason + ", redirectionCounter=" + redirectionCounter + ", redirectionReason="
+ redirectionReason + "]";
}
public int getCode() {
return _PARAMETER_CODE;
}
/**
* XML Serialization/Deserialization
*/
protected static final XMLFormat<RedirectionInformationImpl> ISUP_REDIRECTION_INFORMATION_XML = new XMLFormat<RedirectionInformationImpl>(
RedirectionInformationImpl.class) {
@Override
public void read(javolution.xml.XMLFormat.InputElement xml, RedirectionInformationImpl redirectionInformation)
throws XMLStreamException {
redirectionInformation.redirectingIndicator = xml.getAttribute(REDIRECTING_INDICATOR, DEFAULT_INT_VALUE);
redirectionInformation.originalRedirectionReason = xml.getAttribute(ORIGINAL_REDIRECTION_REASON, DEFAULT_INT_VALUE);
redirectionInformation.redirectionCounter = xml.getAttribute(REDIRECTION_COUNTER, DEFAULT_INT_VALUE);
redirectionInformation.redirectionReason = xml.getAttribute(REDIRECTION_REASON, DEFAULT_INT_VALUE);
}
@Override
public void write(RedirectionInformationImpl redirectionInformation, javolution.xml.XMLFormat.OutputElement xml)
throws XMLStreamException {
xml.setAttribute(REDIRECTING_INDICATOR, redirectionInformation.redirectingIndicator);
xml.setAttribute(ORIGINAL_REDIRECTION_REASON, redirectionInformation.originalRedirectionReason);
xml.setAttribute(REDIRECTION_COUNTER, redirectionInformation.redirectionCounter);
xml.setAttribute(REDIRECTION_REASON, redirectionInformation.redirectionReason);
}
};
}