package javax.sip.message; import java.io.Serializable; import java.text.ParseException; import java.util.ListIterator; import javax.sip.SipException; import javax.sip.header.ContentDispositionHeader; import javax.sip.header.ContentEncodingHeader; import javax.sip.header.ContentLanguageHeader; import javax.sip.header.ContentLengthHeader; import javax.sip.header.ContentTypeHeader; import javax.sip.header.ExpiresHeader; import javax.sip.header.Header; public interface Message extends Cloneable, Serializable { void addFirst(Header header) throws SipException, NullPointerException; void addHeader(Header header); void addLast(Header header) throws SipException, NullPointerException; Header getHeader(String headerName); void setHeader(Header header); void removeFirst(String headerName) throws NullPointerException; void removeLast(String headerName) throws NullPointerException; void removeHeader(String headerName); ListIterator getHeaderNames(); ListIterator getHeaders(String headerName); ListIterator getUnrecognizedHeaders(); Object getApplicationData(); void setApplicationData(Object applicationData); ContentLengthHeader getContentLength(); void setContentLength(ContentLengthHeader contentLength); ContentLanguageHeader getContentLanguage(); void setContentLanguage(ContentLanguageHeader contentLanguage); ContentEncodingHeader getContentEncoding(); void setContentEncoding(ContentEncodingHeader contentEncoding); ContentDispositionHeader getContentDisposition(); void setContentDisposition(ContentDispositionHeader contentDisposition); Object getContent(); byte[] getRawContent(); void setContent(Object content, ContentTypeHeader contentTypeHeader) throws ParseException; void removeContent(); ExpiresHeader getExpires(); void setExpires(ExpiresHeader expires); String getSIPVersion(); void setSIPVersion(String version) throws ParseException; Object clone(); boolean equals(Object object); int hashCode(); String toString(); }