    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements. See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache license, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License. You may obtain a copy of the License at
    008     *
    009     *      http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the license for the specific language governing permissions and
    015     * limitations under the license.
    016     */
    017    package org.apache.logging.log4j.core.net.server;
    018
    019    import java.io.InputStream;
    020    import java.nio.charset.Charset;
    021
    022    import org.apache.logging.log4j.core.LogEvent;
    023    import org.apache.logging.log4j.core.jackson.Log4jXmlObjectMapper;
    024
    025    /**
    026     * Reads and logs {@link LogEvent}s from an {@link InputStream}.
    027     */
    028    public class XmlInputStreamLogEventBridge extends InputStreamLogEventBridge {
    029
    030        private static final String EVENT_END = "</Event>";
    031        private static final String EVENT_START_NS_N = "<Event>";
    032        private static final String EVENT_START_NS_Y = "<Event ";
    033
    034        public XmlInputStreamLogEventBridge() {
    035            this(1024, Charset.defaultCharset());
    036        }
    037
    038        public XmlInputStreamLogEventBridge(final int bufferSize, final Charset charset) {
    039            super(new Log4jXmlObjectMapper(), bufferSize, charset, EVENT_END);
    040        }
    041
    042        @Override
    043        protected int[] getEventIndices(final String text, final int beginIndex) {
    044            int start = text.indexOf(EVENT_START_NS_Y, beginIndex);
    045            int startLen = EVENT_START_NS_Y.length();
    046            if (start < 0) {
    047                start = text.indexOf(EVENT_START_NS_N, beginIndex);
    048                startLen = EVENT_START_NS_N.length();
    049            }
    050            final int end = start < 0 ? -1 : text.indexOf(EVENT_END, start + startLen);
    051            return new int[] { start, end };
    052        }
    053
    054    }