/*
* 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.felix.http.base.internal.runtime.dto;
import javax.annotation.Nonnull;
import javax.servlet.DispatcherType;
import org.apache.felix.http.base.internal.handler.FilterHandler;
import org.apache.felix.http.base.internal.runtime.FilterInfo;
import org.osgi.service.http.runtime.dto.FailedFilterDTO;
import org.osgi.service.http.runtime.dto.FilterDTO;
public final class FilterDTOBuilder
{
/**
* Build an array of filter DTOs from a filter handler array
* @param handlers The filter handler array
* @return The filter DTO array
*/
public static @Nonnull FilterDTO[] build(@Nonnull final FilterHandler[] handlers)
{
if ( handlers.length == 0 )
{
return BuilderConstants.EMPTY_FILTER_DTO_ARRAY;
}
final FilterDTO[] array = new FilterDTO[handlers.length];
for(int i=0; i<handlers.length; i++)
{
array[i] = build(handlers[i], -1);
}
return array;
}
/**
* Build a filter DTO from a filter handler
* @param handler The filter handler
* @return A filter DTO
*/
public static @Nonnull FilterDTO build(@Nonnull final FilterHandler handler, final int reason)
{
final FilterDTO filterDTO = build(handler.getFilterInfo(), reason);
filterDTO.name = handler.getName();
filterDTO.servletContextId = handler.getContextServiceId();
return filterDTO;
}
/**
* Build a filter DTO from a filter info
* @param info The filter info
* @return A filter DTO
*/
public static @Nonnull FilterDTO build(@Nonnull final FilterInfo info, final int reason)
{
final FilterDTO filterDTO = (reason != -1 ? new FailedFilterDTO() : new FilterDTO());
filterDTO.asyncSupported = info.isAsyncSupported();
filterDTO.dispatcher = getNames(info.getDispatcher());
filterDTO.initParams = info.getInitParameters();
filterDTO.name = info.getName();
filterDTO.patterns = BuilderConstants.copyWithDefault(info.getPatterns(), BuilderConstants.EMPTY_STRING_ARRAY);
filterDTO.regexs = BuilderConstants.copyWithDefault(info.getRegexs(), BuilderConstants.EMPTY_STRING_ARRAY);
filterDTO.serviceId = info.getServiceId();
filterDTO.servletNames = BuilderConstants.copyWithDefault(info.getServletNames(), BuilderConstants.EMPTY_STRING_ARRAY);
if ( reason != -1 )
{
((FailedFilterDTO)filterDTO).failureReason = reason;
}
return filterDTO;
}
private static @Nonnull String[] getNames(@Nonnull final DispatcherType[] dispatcher)
{
final String[] names = new String[dispatcher.length];
for (int i = 0; i < dispatcher.length; i++)
{
names[i] = dispatcher[i].name();
}
return names;
}
}