/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.ocpsoft.rewrite.prettyfaces;
import org.ocpsoft.rewrite.config.Rule;
import org.ocpsoft.rewrite.context.EvaluationContext;
import org.ocpsoft.rewrite.event.Rewrite;
import org.ocpsoft.rewrite.servlet.http.event.HttpOutboundServletRewrite;
import org.ocpsoft.rewrite.servlet.http.event.HttpServletRewrite;
import org.ocpsoft.urlbuilder.Address;
import org.ocpsoft.urlbuilder.AddressBuilder;
import com.ocpsoft.pretty.faces.config.rewrite.RewriteRule;
import com.ocpsoft.pretty.faces.rewrite.RewriteEngine;
import com.ocpsoft.pretty.faces.url.URL;
/**
* @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
*
*/
public class OutboundRewriteRuleAdaptor implements Rule
{
private final RewriteRule rule;
public OutboundRewriteRuleAdaptor(final RewriteRule rule)
{
this.rule = rule;
}
/**
* If the given URL is prefixed with this request's context-path, return the URI without the context path. Otherwise
* return the URI unchanged.
*/
private String stripContextPath(final String contextPath, String uri)
{
if (!contextPath.equals("/") && uri.startsWith(contextPath))
{
uri = uri.substring(contextPath.length());
}
return uri;
}
@Override
public String getId()
{
return toString();
}
@Override
public boolean evaluate(final Rewrite event, final EvaluationContext context)
{
if ((event instanceof HttpOutboundServletRewrite) && rule.isOutbound())
{
Address outboundResource = ((HttpOutboundServletRewrite) event).getAddress();
String outboundUrl = outboundResource.toString();
String contextPath = ((HttpServletRewrite) event).getContextPath();
if (!contextPath.equals("/") && outboundUrl.startsWith(contextPath))
outboundUrl = outboundUrl.substring(contextPath.length());
if (rule.matches(URL.build(outboundUrl).decode().toURL()))
return true;
}
return false;
}
@Override
public void perform(final Rewrite event, final EvaluationContext context)
{
RewriteEngine engine = new RewriteEngine();
HttpOutboundServletRewrite outbound = (HttpOutboundServletRewrite) event;
String url = outbound.getOutboundAddress().toString();
String strippedUrl = stripContextPath(outbound.getContextPath(), url);
String result = "";
if (!strippedUrl.equals(url))
{
result = outbound.getContextPath();
}
strippedUrl = engine.processOutbound(((HttpServletRewrite) event).getRequest(),
((HttpServletRewrite) event).getResponse(), rule, strippedUrl);
result += strippedUrl;
outbound.setOutboundAddress(AddressBuilder.create(result));
}
}