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/*
* Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.protocol;
import java.net.URI;
import net.jxta.document.Document;
import net.jxta.document.MimeMediaType;
import net.jxta.document.StructuredDocument;
import net.jxta.id.ID;
/**
* Generic Resolver Service message "Query".
*
* @see net.jxta.resolver.ResolverService
* @see net.jxta.protocol.ResolverResponseMsg
* @see JXTA Protocols Specification : Peer Resolver Protocol
*/
public abstract class ResolverQueryMsg {
/**
* credential
*/
private StructuredDocument credential = null;
/**
* Resolver query handler
*/
private String handlername = null;
/**
* Number of times a message has been forwarded, not propagated or walked
*/
protected int hopcount = 0;
/**
* Resolver query
*/
private String query = null;
/**
* Query ID of this query. Unique to the originating node only, it can be
* utilized to match queries to responses.
*/
protected int queryid = 0;
/**
* issuer of the query
*/
private ID srcPeerId = null;
/**
* Optional route info about the issuer
*/
private RouteAdvertisement srcPeerRoute = null;
/**
* returns the credential
*
* @return String credential
*/
public StructuredDocument getCredential() {
return credential;
}
/**
* Write advertisement into a document. asMimeType is a mime media-type
* specification and provides the form of the document which is being
* requested. Two standard document forms are defined. 'text/text' encodes
* the document in a form nice for printing out and 'text/xml' which
* provides an XML format.
*
* @param asMimeType mime-type requested representation for the returned
* document
* @return Document document representing the advertisement
*/
public abstract Document getDocument(MimeMediaType asMimeType);
/**
* returns the handlername
*
* @return String handlername name
*/
public String getHandlerName() {
return handlername;
}
/**
* returns the hop count
*
* @return int hop count
*/
public int getHopCount() {
return hopcount;
}
/**
* increment hop count
*/
public void incrementHopCount() {
hopcount++;
}
/**
* Set hop count
*
* @param newCount hop count
*/
public void setHopCount(int newCount) {
hopcount = newCount;
}
/**
* returns the query
*
* @return String value of the query
*/
public String getQuery() {
return query;
}
/**
* returns queryid value
*
* @return int queryid value
*/
public int getQueryId() {
return queryid;
}
/**
* Returns the source of the query
*
* @return String the peerid of the source of the query
* @deprecated Use {@link #getSrcPeer()} instead.
*/
@Deprecated
public String getSrc() {
return (null == srcPeerId) ? null : srcPeerId.toString();
}
/**
* Returns the source of the query
*
* @return The peerid of the source of the query
*/
public ID getSrcPeer() {
return (null == srcPeerId) ? null : srcPeerId;
}
/**
* Returns the source route of the query
*
* @return RouteAdvertisement route to the issuer of the query
*/
public RouteAdvertisement getSrcPeerRoute() {
if (srcPeerRoute == null) {
return null;
} else {
return srcPeerRoute.clone();
}
}
/**
* set the credential
*
* @param cred string representing credential
*/
public void setCredential(StructuredDocument cred) {
this.credential = cred;
}
/**
* set the handlername
*
* @param name handler name
*/
public void setHandlerName(String name) {
this.handlername = name;
}
/**
* set the Query string
*
* @param Query string representing the query
*/
public void setQuery(String Query) {
this.query = Query;
}
/**
* set the query id. Each query has a unique id.
*
* @param id int id
*/
public void setQueryId(int id) {
queryid = id;
}
/**
* set the source route of the query
*
* @param route route advertisement of the source peer
*/
public void setSrcPeerRoute(RouteAdvertisement route) {
srcPeerRoute = route;
}
/**
* Set the source of the query
*
* @param src is a containing the peerid of the source
* @deprecated Use {@link #setSrcPeer(ID)} instead.
*/
@Deprecated
public void setSrc(String src) {
if (null == src) {
setSrcPeer(null);
} else {
setSrcPeer(ID.create(URI.create(src)));
}
}
/**
* Set the source of the query
*
* @param srcPeer the peerid of the source
*/
public void setSrcPeer(ID srcPeer) {
srcPeerId = srcPeer;
}
/**
* All messages have a type (in xml this is !doctype) which identifies the
* message
*
* @return String "jxta:ResolverQuery"
*/
public static String getAdvertisementType() {
return "jxta:ResolverQuery";
}
/**
* Create a ResolverResponse from a ResolverQuery message. This method
* takes advantage of any internal information available in an incoming
* Resolver query to build a resolver response for that query. For instance,
* optional route information which may be available in the query will
* be used to bypass the route resolution to send the response.
*
* WARNING: A side effect of this call is that the following fields are
* transfered from the query to the response:
* - HandlerName
* - QueryId
*
* @return ResolverResponseMsg resolverResponse built from the resolverQuery msg
*/
public abstract ResolverResponseMsg makeResponse();
}
