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Source Code for Apache Log4j Core Implementation
Apache Log4j Core Implementation provides the functional components of the logging system. Users are free to create their own plugins and include them in the logging configuration. Apache Log4j Core is a required module to use Apache Log4j.
Bytecode (Java 8) for Apache Log4j Core Implementation is provided in a separate JAR file like log4j-core-2.14.1.jar.
Source Code files for Apache Log4j API are provided in both binary packge like apache-log4j-2.14.1-bin.zip and source package like apache-log4j-2.14.1-src.zip. You can download them at Apache Log4j Website.
You can also browse Source Code files for Apache Log4j Core Implementation 2.14.1 below.
✍: FYIcenter.com
⏎ org/apache/logging/log4j/core/appender/HttpURLConnectionManager.java
/* * 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.logging.log4j.core.appender; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL; import java.nio.charset.Charset; import java.util.Objects; import javax.net.ssl.HttpsURLConnection; import org.apache.logging.log4j.core.Layout; import org.apache.logging.log4j.core.LogEvent; import org.apache.logging.log4j.core.LoggerContext; import org.apache.logging.log4j.core.config.Configuration; import org.apache.logging.log4j.core.config.ConfigurationException; import org.apache.logging.log4j.core.config.Property; import org.apache.logging.log4j.core.net.ssl.LaxHostnameVerifier; import org.apache.logging.log4j.core.net.ssl.SslConfiguration; import org.apache.logging.log4j.core.util.IOUtils; public class HttpURLConnectionManager extends HttpManager { private static final Charset CHARSET = Charset.forName("US-ASCII"); private final URL url; private final boolean isHttps; private final String method; private final int connectTimeoutMillis; private final int readTimeoutMillis; private final Property[] headers; private final SslConfiguration sslConfiguration; private final boolean verifyHostname; public HttpURLConnectionManager(final Configuration configuration, final LoggerContext loggerContext, final String name, final URL url, final String method, final int connectTimeoutMillis, final int readTimeoutMillis, final Property[] headers, final SslConfiguration sslConfiguration, final boolean verifyHostname) { super(configuration, loggerContext, name); this.url = url; if (!(url.getProtocol().equalsIgnoreCase("http") || url.getProtocol().equalsIgnoreCase("https"))) { throw new ConfigurationException("URL must have scheme http or https"); } this.isHttps = this.url.getProtocol().equalsIgnoreCase("https"); this.method = Objects.requireNonNull(method, "method"); this.connectTimeoutMillis = connectTimeoutMillis; this.readTimeoutMillis = readTimeoutMillis; this.headers = headers != null ? headers : new Property[0]; this.sslConfiguration = sslConfiguration; if (this.sslConfiguration != null && !isHttps) { throw new ConfigurationException("SSL configuration can only be specified with URL scheme https"); } this.verifyHostname = verifyHostname; } @Override public void send(final Layout<?> layout, final LogEvent event) throws IOException { final HttpURLConnection urlConnection = (HttpURLConnection)url.openConnection(); urlConnection.setAllowUserInteraction(false); urlConnection.setDoOutput(true); urlConnection.setDoInput(true); urlConnection.setRequestMethod(method); if (connectTimeoutMillis > 0) { urlConnection.setConnectTimeout(connectTimeoutMillis); } if (readTimeoutMillis > 0) { urlConnection.setReadTimeout(readTimeoutMillis); } if (layout.getContentType() != null) { urlConnection.setRequestProperty("Content-Type", layout.getContentType()); } for (final Property header : headers) { urlConnection.setRequestProperty( header.getName(), header.isValueNeedsLookup() ? getConfiguration().getStrSubstitutor().replace(event, header.getValue()) : header.getValue()); } if (sslConfiguration != null) { ((HttpsURLConnection)urlConnection).setSSLSocketFactory(sslConfiguration.getSslSocketFactory()); } if (isHttps && !verifyHostname) { ((HttpsURLConnection)urlConnection).setHostnameVerifier(LaxHostnameVerifier.INSTANCE); } final byte[] msg = layout.toByteArray(event); urlConnection.setFixedLengthStreamingMode(msg.length); urlConnection.connect(); try (OutputStream os = urlConnection.getOutputStream()) { os.write(msg); } final byte[] buffer = new byte[1024]; try (InputStream is = urlConnection.getInputStream()) { while (IOUtils.EOF != is.read(buffer)) { // empty } } catch (final IOException e) { final StringBuilder errorMessage = new StringBuilder(); try (InputStream es = urlConnection.getErrorStream()) { errorMessage.append(urlConnection.getResponseCode()); if (urlConnection.getResponseMessage() != null) { errorMessage.append(' ').append(urlConnection.getResponseMessage()); } if (es != null) { errorMessage.append(" - "); int n; while (IOUtils.EOF != (n = es.read(buffer))) { errorMessage.append(new String(buffer, 0, n, CHARSET)); } } } if (urlConnection.getResponseCode() > -1) { throw new IOException(errorMessage.toString()); } else { throw e; } } } }
⏎ org/apache/logging/log4j/core/appender/HttpURLConnectionManager.java
Or download all of them as a single archive file:
File name: log4j-core-2.14.1-sources.jar File size: 1281358 bytes Release date: 2021-03-06 Download
⇒ Source Code for Apache Log4j JDK Logging Adapter
⇐ Source Code for Apache Log4j API
2015-11-03, 83508👍, 0💬
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