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package org.apache.catalina;
import org.apache.catalina.net.ServerSocketFactory;
// START OF SJSAS 8.1 PE 6191830
import java.security.cert.X509Certificate;
// END OF SJSAS 8.1 PE 6191830
// START S1AS 6188932
import com.sun.appserv.ProxyHandler;
// END S1AS 6188932
// START SJSAS 6363251
import org.apache.coyote.Adapter;
// END SJSAS 6363251
/**
* A <b>Connector</b> is a component responsible receiving requests from,
* and returning responses to, a client application. A Connector performs
* the following general logic:
* <ul>
* <li>Receive a request from the client application.
* <li>Create (or allocate from a pool) appropriate Request and Response
* instances, and populate their properties based on the contents of
* the received request, as described below.
* <ul>
* <li>For all Requests, the <code>connector</code>,
* <code>protocol</code>, <code>remoteAddr</code>,
* <code>response</code>, <code>scheme</code>,
* <code>secure</code>, <code>serverName</code>,
* <code>serverPort</code> and <code>stream</code>
* properties <b>MUST</b> be set. The <code>contentLength</code>
* and <code>contentType</code> properties are also generally set.
* <li>For HttpRequests, the <code>method</code>, <code>queryString</code>,
* <code>requestedSessionCookie</code>,
* <code>requestedSessionId</code>, <code>requestedSessionURL</code>,
* <code>requestURI</code>, and <code>secure</code> properties
* <b>MUST</b> be set. In addition, the various <code>addXxx</code>
* methods must be called to record the presence of cookies, headers,
* and locales in the original request.
* <li>For all Responses, the <code>connector</code>, <code>request</code>,
* and <code>stream</code> properties <b>MUST</b> be set.
* <li>No additional headers must be set by the Connector for
* HttpResponses.
* </ul>
* <li>Identify an appropriate Container to use for processing this request.
* For a stand alone Catalina installation, this will probably be a
* (singleton) Engine implementation. For a Connector attaching Catalina
* to a web server such as Apache, this step could take advantage of
* parsing already performed within the web server to identify the
* Context, and perhaps even the Wrapper, to utilize in satisfying this
* Request.
* <li>Call the <code>invoke()</code> method of the selected Container,
* passing the initialized Request and Response instances as arguments.
* <li>Return any response created by the Container to the client, or
* return an appropriate error message if an exception of any type
* was thrown.
* <li>If utilizing a pool of Request and Response objects, recycle the pair
* of instances that was just used.
* </ul>
* It is expected that the implementation details of various Connectors will
* vary widely, so the logic above should considered typical rather than
* normative.
*
* @author Craig R. McClanahan
* @version $Revision: 1.6 $ $Date: 2007/05/05 05:31:50 $
*/
public interface Connector {
// ------------------------------------------------------------- Properties
/**
* Return the Container used for processing requests received by this
* Connector.
*/
public Container getContainer();
/**
* Set the Container used for processing requests received by this
* Connector.
*
* @param container The new Container to use
*/
public void setContainer(Container container);
/**
* Return the "enable DNS lookups" flag.
*/
public boolean getEnableLookups();
/**
* Set the "enable DNS lookups" flag.
*
* @param enableLookups The new "enable DNS lookups" flag value
*/
public void setEnableLookups(boolean enableLookups);
/**
* Return the server socket factory used by this Container.
*/
public ServerSocketFactory getFactory();
/**
* Set the server socket factory used by this Container.
*
* @param factory The new server socket factory
*/
public void setFactory(ServerSocketFactory factory);
/**
* Return descriptive information about this Connector implementation.
*/
public String getInfo();
/**
* Return the port number to which a request should be redirected if
* it comes in on a non-SSL port and is subject to a security constraint
* with a transport guarantee that requires SSL.
*/
public int getRedirectPort();
/**
* Set the redirect port number.
*
* @param redirectPort The redirect port number (non-SSL to SSL)
*/
public void setRedirectPort(int redirectPort);
/**
* Return the scheme that will be assigned to requests received
* through this connector. Default value is "http".
*/
public String getScheme();
/**
* Set the scheme that will be assigned to requests received through
* this connector.
*
* @param scheme The new scheme
*/
public void setScheme(String scheme);
/**
* Return the secure connection flag that will be assigned to requests
* received through this connector. Default value is "false".
*/
public boolean getSecure();
/**
* Set the secure connection flag that will be assigned to requests
* received through this connector.
*
* @param secure The new secure connection flag
*/
public void setSecure(boolean secure);
/**
* Return the <code>Service</code> with which we are associated (if any).
*/
public Service getService();
/**
* Set the <code>Service</code> with which we are associated (if any).
*
* @param service The service that owns this Engine
*/
public void setService(Service service);
// BEGIN S1AS 5000999
/**
* Sets the default host for this Connector.
*
* @param defaultHost The default host for this Connector
*/
public void setDefaultHost(String defaultHost);
/**
* Gets the default host of this Connector.
*
* @return The default host of this Connector
*/
public String getDefaultHost();
// END S1AS 5000999
// START S1AS 6188932
/**
* Returns the value of this connector's authPassthroughEnabled flag.
*
* @return true if this connector is receiving its requests from
* a trusted intermediate server, false otherwise
*/
public boolean getAuthPassthroughEnabled();
/**
* Sets the value of this connector's authPassthroughEnabled flag.
*
* @param authPassthroughEnabled true if this connector is receiving its
* requests from a trusted intermediate server, false otherwise
*/
public void setAuthPassthroughEnabled(boolean authPassthroughEnabled);
/**
* Gets the ProxyHandler instance associated with this CoyoteConnector.
*
* @return ProxyHandler instance associated with this CoyoteConnector,
* or null
*/
public ProxyHandler getProxyHandler();
/**
* Sets the ProxyHandler implementation for this CoyoteConnector to use.
*
* @param proxyHandler ProxyHandler instance to use
*/
public void setProxyHandler(ProxyHandler proxyHandler);
// END S1AS 6188932
// --------------------------------------------------------- Public Methods
/**
* Create (or allocate) and return a Request object suitable for
* specifying the contents of a Request to the responsible Container.
*/
public Request createRequest();
/**
* Create (or allocate) and return a Response object suitable for
* receiving the contents of a Response from the responsible Container.
*/
public Response createResponse();
/**
* Invoke a pre-startup initialization. This is used to allow connectors
* to bind to restricted ports under Unix operating environments.
*
* @exception LifecycleException If this server was already initialized.
*/
public void initialize()
throws LifecycleException;
// START OF SJSAS 8.1 PE 6191830
/**
* Get the underlying WebContainer certificate for the request
*/
public X509Certificate[] getCertificates(Request request);
// END OF SJSAS 8.1 PE 6191830
// START CR 6309511
/**
* Get the encoding to be used for byte<-->char conversion for
* data sent/received via this Connector
*/
public String getURIEncoding();
/**
* Set the encoding to be used for byte<-->char conversion for
* data sent/received via this Connector
*/
public void setURIEncoding(String encoding);
// END CR 6309511
// START SJSAS 6363251
/**
* Set the <code>Adapter</code> used by this connector.
*/
public void setAdapter(Adapter adapter);
/**
* Get the <code>Adapter</code> used by this connector.
*/
public Adapter getAdapter();
// END SJSAS 6363251
}
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