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The core jetty server artifact.
//
// ========================================================================
// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.server;
import java.util.Set;
import org.eclipse.jetty.http.HttpField;
import org.eclipse.jetty.http.HttpFields;
import org.eclipse.jetty.http.HttpHeader;
import org.eclipse.jetty.http.HttpMethod;
import org.eclipse.jetty.http.HttpURI;
import org.eclipse.jetty.http.MetaData;
import org.eclipse.jetty.util.URIUtil;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
/* ------------------------------------------------------------ */
/**
*/
public class PushBuilderImpl implements PushBuilder
{
private static final Logger LOG = Log.getLogger(PushBuilderImpl.class);
private final static HttpField JettyPush = new HttpField("x-http2-push","PushBuilder");
private final Request _request;
private final HttpFields _fields;
private String _method;
private String _queryString;
private String _sessionId;
private boolean _conditional;
private String _path;
private String _etag;
private String _lastModified;
public PushBuilderImpl(Request request, HttpFields fields, String method, String queryString, String sessionId, boolean conditional)
{
super();
_request = request;
_fields = fields;
_method = method;
_queryString = queryString;
_sessionId = sessionId;
_conditional = conditional;
_fields.add(JettyPush);
if (LOG.isDebugEnabled())
LOG.debug("PushBuilder({} {}?{} s={} c={})",_method,_request.getRequestURI(),_queryString,_sessionId,_conditional);
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#getMethod()
*/
@Override
public String getMethod()
{
return _method;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#method(java.lang.String)
*/
@Override
public PushBuilder method(String method)
{
_method = method;
return this;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#getQueryString()
*/
@Override
public String getQueryString()
{
return _queryString;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#queryString(java.lang.String)
*/
@Override
public PushBuilder queryString(String queryString)
{
_queryString = queryString;
return this;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#getSessionId()
*/
@Override
public String getSessionId()
{
return _sessionId;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#sessionId(java.lang.String)
*/
@Override
public PushBuilder sessionId(String sessionId)
{
_sessionId = sessionId;
return this;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#isConditional()
*/
@Override
public boolean isConditional()
{
return _conditional;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#conditional(boolean)
*/
@Override
public PushBuilder conditional(boolean conditional)
{
_conditional = conditional;
return this;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#getHeaderNames()
*/
@Override
public Set getHeaderNames()
{
return _fields.getFieldNamesCollection();
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#getHeader(java.lang.String)
*/
@Override
public String getHeader(String name)
{
return _fields.get(name);
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#setHeader(java.lang.String, java.lang.String)
*/
@Override
public PushBuilder setHeader(String name,String value)
{
_fields.put(name,value);
return this;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#addHeader(java.lang.String, java.lang.String)
*/
@Override
public PushBuilder addHeader(String name,String value)
{
_fields.add(name,value);
return this;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#getPath()
*/
@Override
public String getPath()
{
return _path;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#path(java.lang.String)
*/
@Override
public PushBuilder path(String path)
{
_path = path;
return this;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#getEtag()
*/
@Override
public String getEtag()
{
return _etag;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#etag(java.lang.String)
*/
@Override
public PushBuilder etag(String etag)
{
_etag = etag;
return this;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#getLastModified()
*/
@Override
public String getLastModified()
{
return _lastModified;
}
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#lastModified(java.lang.String)
*/
@Override
public PushBuilder lastModified(String lastModified)
{
_lastModified = lastModified;
return this;
}
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/**
* @see org.eclipse.jetty.server.PushBuilder#push()
*/
@Override
public void push()
{
if (HttpMethod.POST.is(_method) || HttpMethod.PUT.is(_method))
throw new IllegalStateException("Bad Method "+_method);
if (_path==null || _path.length()==0)
throw new IllegalStateException("Bad Path "+_path);
String path=_path;
String query=_queryString;
int q=path.indexOf('?');
if (q>=0)
{
query=(query!=null && query.length()>0)?(_path.substring(q+1)+'&'+query):_path.substring(q+1);
path=_path.substring(0,q);
}
if (!path.startsWith("/"))
path=URIUtil.addPaths(_request.getContextPath(),path);
String param=null;
if (_sessionId!=null)
{
if (_request.isRequestedSessionIdFromURL())
param="jsessionid="+_sessionId;
// TODO else
// _fields.add("Cookie","JSESSIONID="+_sessionId);
}
if (_conditional)
{
if (_etag!=null)
_fields.add(HttpHeader.IF_NONE_MATCH,_etag);
else if (_lastModified!=null)
_fields.add(HttpHeader.IF_MODIFIED_SINCE,_lastModified);
}
HttpURI uri = HttpURI.createHttpURI(_request.getScheme(),_request.getServerName(),_request.getServerPort(),_path,param,query,null);
MetaData.Request push = new MetaData.Request(_method,uri,_request.getHttpVersion(),_fields);
if (LOG.isDebugEnabled())
LOG.debug("Push {} {} inm={} ims={}",_method,uri,_fields.get(HttpHeader.IF_NONE_MATCH),_fields.get(HttpHeader.IF_MODIFIED_SINCE));
_request.getHttpChannel().getHttpTransport().push(push);
_path=null;
_etag=null;
_lastModified=null;
}
}