| 1 | /*
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more
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| 3 | * contributor license agreements. See the NOTICE file distributed with
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| 4 | * this work for additional information regarding copyright ownership.
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0
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| 6 | * (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | *
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0
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| 10 | *
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| 11 | * Unless required by applicable law or agreed to in writing, software
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | * See the License for the specific language governing permissions and
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| 15 | * limitations under the License.
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| 16 | */
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| 17 |
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| 18 | #ifndef _LOG4CXX_FILTER_DENY_ALL_FILTER_H
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| 19 | #define _LOG4CXX_FILTER_DENY_ALL_FILTER_H
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| 20 |
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| 21 | #if defined(_MSC_VER)
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| 22 | #pragma warning ( push )
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| 23 | #pragma warning ( disable: 4231 4251 4275 4786 )
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| 24 | #endif
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| 25 |
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| 26 |
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| 27 | #include <log4cxx/spi/filter.h>
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| 28 |
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| 29 | namespace log4cxx
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| 30 | {
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| 31 | namespace filter
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| 32 | {
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| 33 | /**
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| 34 | This filter drops all logging events.
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| 35 | <p>You can add this filter to the end of a filter chain to
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| 36 | switch from the default "accept all unless instructed otherwise"
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| 37 | filtering behaviour to a "deny all unless instructed otherwise"
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| 38 | behaviour.
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| 39 | */
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| 40 |
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| 41 | class LOG4CXX_EXPORT DenyAllFilter : public spi::Filter
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| 42 | {
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| 43 | public:
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| 44 | DenyAllFilter() : spi::Filter() {
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| 45 | }
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| 46 |
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| 47 | typedef spi::Filter BASE_CLASS;
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| 48 | DECLARE_LOG4CXX_OBJECT(DenyAllFilter)
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| 49 | BEGIN_LOG4CXX_CAST_MAP()
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| 50 | LOG4CXX_CAST_ENTRY(DenyAllFilter)
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| 51 | LOG4CXX_CAST_ENTRY_CHAIN(BASE_CLASS)
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| 52 | END_LOG4CXX_CAST_MAP()
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| 53 |
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| 54 | /**
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| 55 | Always returns the integer constant {@link spi::Filter#DENY DENY}
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| 56 | regardless of the {@link spi::LoggingEvent LoggingEvent} parameter.
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| 57 | @param event The LoggingEvent to filter.
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| 58 | @return Always returns {@link spi::Filter#DENY DENY}.
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| 59 | */
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| 60 | FilterDecision decide(const spi::LoggingEventPtr& /* event */) const
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| 61 | { return spi::Filter::DENY; }
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| 62 | }; // class DenyAllFilter
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| 63 |
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| 64 | LOG4CXX_PTR_DEF(DenyAllFilter);
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| 65 | } // namespace filter
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| 66 | } // namespace log4cxx
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| 67 |
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| 68 | #if defined(_MSC_VER)
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| 69 | #pragma warning ( pop )
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| 70 | #endif
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| 71 |
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| 72 |
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| 73 | #endif // _LOG4CXX_FILTER_DENY_ALL_FILTER_H
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