io.pkts.packet.sip.impl.ImmutableSipResponse Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of pkts-sip Show documentation
There is a newer version: 3.0.10
package io.pkts.packet.sip.impl;

import io.pkts.buffer.Buffer;
import io.pkts.packet.sip.SipParseException;
import io.pkts.packet.sip.SipResponse;
import io.pkts.packet.sip.header.CSeqHeader;
import io.pkts.packet.sip.header.SipHeader;
import io.pkts.packet.sip.header.ViaHeader;

import java.util.List;

/**
 * @author [email protected]
 */
public class ImmutableSipResponse extends ImmutableSipMessage implements SipResponse {

    /**
     * @param message            the full immutable buffer which has the entire SIP message in it, including all headers, body
     *                           initial line etc.
     * @param initialLine        the parsed initial line (which is just a reference into the message buffer)
     * @param headers
     * @param indexOfTo
     * @param indexOfFrom
     * @param indexOfCSeq
     * @param indexOfCallId
     * @param indexOfMaxForwards
     * @param indexOfVia
     * @param indexOfRoute
     * @param indexOfRecordRoute
     * @param indexOfContact
     * @param body
     */
    protected ImmutableSipResponse(final Buffer message,
                                   final SipResponseLine initialLine,
                                   final List headers,
                                   final short indexOfTo,
                                   final short indexOfFrom,
                                   final short indexOfCSeq,
                                   final short indexOfCallId,
                                   final short indexOfMaxForwards,
                                   final short indexOfVia,
                                   final short indexOfRoute,
                                   final short indexOfRecordRoute,
                                   final short indexOfContact,
                                   final Buffer body) {
        super(message, initialLine, headers, indexOfTo,
                indexOfFrom, indexOfCSeq, indexOfCallId,
                indexOfMaxForwards, indexOfVia, indexOfRoute,
                indexOfRecordRoute, indexOfContact, body);
    }

    @Override
    public Buffer getMethod() throws SipParseException {
        final CSeqHeader cseq = getCSeqHeader();
        if (cseq != null) {
            return cseq.getMethod();
        }

        return null;
    }

    @Override
    public SipResponse.Builder copy() {
        final SipResponseLine responseLine = getInitialLineAsObject().toResponseLine();
        final SipResponse.Builder builder = SipResponse.withStatusCode(responseLine.getStatusCode());
        builder.withReasonPhrase(responseLine.getReason());
        builder.withHeaders(this.getAllHeaders());
        builder.withBody(this.getContent());
        return builder;
    }


    @Override
    public int getStatus() {
        return getInitialLineAsObject().toResponseLine().getStatusCode();
    }

    @Override
    public Buffer getReasonPhrase() {
        return getInitialLineAsObject().toResponseLine().getReason();
    }

    @Override
    final public SipResponse clone() {
        // everything is immutable so no real reason to actually clone
        // TODO: remove the clone method alltogether?
        return this;
    }

}