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| 1 | +/* |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one or more |
| 3 | + * contributor license agreements. See the NOTICE file distributed with |
| 4 | + * this work for additional information regarding copyright ownership. |
| 5 | + * The ASF licenses this file to you under the Apache License, Version 2.0 |
| 6 | + * (the "License"); you may not use this file except in compliance with |
| 7 | + * the License. You may obtain a copy of the License at |
| 8 | + * |
| 9 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | + * |
| 11 | + * Unless required by applicable law or agreed to in writing, software |
| 12 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | + * See the License for the specific language governing permissions and |
| 15 | + * limitations under the License. |
| 16 | + */ |
| 17 | +package org.apache.logging.log4j.core.config; |
| 18 | + |
| 19 | +import java.nio.charset.Charset; |
| 20 | +import java.util.Collections; |
| 21 | +import java.util.Map; |
| 22 | +import org.apache.logging.log4j.core.LogEvent; |
| 23 | +import org.apache.logging.log4j.core.StringLayout; |
| 24 | +import org.apache.logging.log4j.core.layout.ByteBufferDestination; |
| 25 | +import org.apache.logging.log4j.status.StatusData; |
| 26 | + |
| 27 | +/** |
| 28 | + * A simple layout used only by {@link DefaultConfiguration} |
| 29 | + * <p> |
| 30 | + * This layout allows to create applications that don't contain {@link org.apache.logging.log4j.core.layout.PatternLayout} |
| 31 | + * and all its patterns, e.g. GraalVM applications. |
| 32 | + * </p> |
| 33 | + * |
| 34 | + * @since 2.25.0 |
| 35 | + */ |
| 36 | +final class DefaultLayout implements StringLayout { |
| 37 | + |
| 38 | + static final StringLayout INSTANCE = new DefaultLayout(); |
| 39 | + |
| 40 | + private DefaultLayout() {} |
| 41 | + |
| 42 | + @Override |
| 43 | + public String toSerializable(LogEvent event) { |
| 44 | + return new StatusData( |
| 45 | + event.getSource(), |
| 46 | + event.getLevel(), |
| 47 | + event.getMessage(), |
| 48 | + event.getThrown(), |
| 49 | + event.getThreadName()) |
| 50 | + .getFormattedStatus(); |
| 51 | + } |
| 52 | + |
| 53 | + @Override |
| 54 | + public byte[] toByteArray(LogEvent event) { |
| 55 | + return toSerializable(event).getBytes(Charset.defaultCharset()); |
| 56 | + } |
| 57 | + |
| 58 | + @Override |
| 59 | + public void encode(LogEvent event, ByteBufferDestination destination) { |
| 60 | + final byte[] data = toByteArray(event); |
| 61 | + destination.writeBytes(data, 0, data.length); |
| 62 | + } |
| 63 | + |
| 64 | + @Override |
| 65 | + public String getContentType() { |
| 66 | + return "text/plain"; |
| 67 | + } |
| 68 | + |
| 69 | + @Override |
| 70 | + public Charset getCharset() { |
| 71 | + return Charset.defaultCharset(); |
| 72 | + } |
| 73 | + |
| 74 | + @Override |
| 75 | + public byte[] getFooter() { |
| 76 | + return null; |
| 77 | + } |
| 78 | + |
| 79 | + @Override |
| 80 | + public byte[] getHeader() { |
| 81 | + return null; |
| 82 | + } |
| 83 | + |
| 84 | + @Override |
| 85 | + public Map<String, String> getContentFormat() { |
| 86 | + return Collections.emptyMap(); |
| 87 | + } |
| 88 | +} |
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