/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.gateway.filter.rewrite.ext;
import org.apache.hadoop.gateway.filter.rewrite.api.UrlRewriteEnvironment;
import org.apache.hadoop.gateway.filter.rewrite.spi.UrlRewriteContext;
import org.apache.hadoop.gateway.filter.rewrite.spi.UrlRewriteStepProcessor;
import org.apache.hadoop.gateway.filter.rewrite.spi.UrlRewriteStepStatus;
import org.apache.hadoop.gateway.util.urltemplate.Matcher;
import org.apache.hadoop.gateway.util.urltemplate.Template;
public class UrlRewriteMatchProcessorExt implements UrlRewriteStepProcessor<UrlRewriteMatchDescriptor> {
//private UrlRewriteMatchDescriptor descriptor;
private Matcher<Void> matcher;
@Override
public String getType() {
return "match";
}
@Override
public void initialize( UrlRewriteEnvironment environment, UrlRewriteMatchDescriptor descriptor ) throws Exception {
Template template = descriptor.template();
if( template == null ) {
this.matcher = null;
} else {
this.matcher = new Matcher<Void>( descriptor.template(), null );
}
}
@Override
public UrlRewriteStepStatus process( UrlRewriteContext context ) throws Exception {
UrlRewriteStepStatus status = UrlRewriteStepStatus.SUCCESS;
if( matcher != null ) {
status = UrlRewriteStepStatus.FAILURE;
Matcher.Match match = matcher.match( context.getCurrentUrl() );
if( match != null ) {
context.addParameters( match.getParams() );
status = UrlRewriteStepStatus.SUCCESS;
}
}
return status;
}
@Override
public void destroy() {
matcher = null;
}
}