/*
* Copyright 2011 <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.ocpsoft.rewrite.config.tuckey;
import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.ocpsoft.rewrite.config.Direction;
import org.ocpsoft.rewrite.config.Rule;
import org.ocpsoft.rewrite.context.EvaluationContext;
import org.ocpsoft.rewrite.event.Rewrite;
import org.ocpsoft.rewrite.exception.RewriteException;
import org.ocpsoft.rewrite.servlet.config.HttpOperation;
import org.ocpsoft.rewrite.servlet.http.event.HttpServletRewrite;
import org.tuckey.web.filters.urlrewrite.UrlRewriter;
/**
* @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
*
*/
public class TuckeyRewriteRuleAdaptor implements Rule
{
private final UrlRewriter rewriter;
public TuckeyRewriteRuleAdaptor(final UrlRewriter urlRewriter)
{
this.rewriter = urlRewriter;
}
@Override
public boolean evaluate(final Rewrite event, final EvaluationContext context)
{
return Direction.isInbound().evaluate(event, context);
}
@Override
public void perform(final Rewrite event, final EvaluationContext context)
{
new HttpOperation() {
boolean forwarded = false;
@Override
public void performHttp(final HttpServletRewrite event, final EvaluationContext context)
{
try {
FilterChain filterChainAdaptor = new FilterChain() {
@Override
public void doFilter(final ServletRequest request, final ServletResponse response)
throws IOException, ServletException
{
forwarded = true;
}
};
if (rewriter.processRequest(event.getRequest(), event.getResponse(), filterChainAdaptor))
{
if (forwarded)
event.handled();
else
event.abort();
}
}
catch (Exception e) {
throw new RewriteException("Error processing [" + this.getClass().getName() + "]", e);
}
}
}.perform(event, context);
}
@Override
public String getId()
{
return "tuckey-" + hashCode();
}
}