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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/mom/JmsAppender.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.mom; import java.io.Serializable; import java.util.Properties; import java.util.concurrent.TimeUnit; import javax.jms.JMSException; import org.apache.logging.log4j.core.Appender; import org.apache.logging.log4j.core.Filter; import org.apache.logging.log4j.core.Layout; import org.apache.logging.log4j.core.LogEvent; import org.apache.logging.log4j.core.appender.AbstractAppender; import org.apache.logging.log4j.core.appender.AbstractManager; import org.apache.logging.log4j.core.appender.mom.JmsManager.JmsManagerConfiguration; import org.apache.logging.log4j.core.config.Node; import org.apache.logging.log4j.core.config.Property; import org.apache.logging.log4j.core.config.plugins.Plugin; import org.apache.logging.log4j.core.config.plugins.PluginAliases; import org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute; import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory; import org.apache.logging.log4j.core.config.plugins.validation.constraints.Required; import org.apache.logging.log4j.core.net.JndiManager; /** * Generic JMS Appender plugin for both queues and topics. This Appender replaces the previous split ones. However, * configurations set up for the 2.0 version of the JMS appenders will still work. */ @Plugin(name = "JMS", category = Node.CATEGORY, elementType = Appender.ELEMENT_TYPE, printObject = true) @PluginAliases({ "JMSQueue", "JMSTopic" }) public class JmsAppender extends AbstractAppender { public static class Builder<B extends Builder<B>> extends AbstractAppender.Builder<B> implements org.apache.logging.log4j.core.util.Builder<JmsAppender> { public static final int DEFAULT_RECONNECT_INTERVAL_MILLIS = 5000; @PluginBuilderAttribute private String factoryName; @PluginBuilderAttribute private String providerUrl; @PluginBuilderAttribute private String urlPkgPrefixes; @PluginBuilderAttribute private String securityPrincipalName; @PluginBuilderAttribute(sensitive = true) private String securityCredentials; @PluginBuilderAttribute @Required(message = "A javax.jms.ConnectionFactory JNDI name must be specified") private String factoryBindingName; @PluginBuilderAttribute @PluginAliases({ "queueBindingName", "topicBindingName" }) @Required(message = "A javax.jms.Destination JNDI name must be specified") private String destinationBindingName; @PluginBuilderAttribute private String userName; @PluginBuilderAttribute(sensitive = true) private char[] password; @PluginBuilderAttribute private long reconnectIntervalMillis = DEFAULT_RECONNECT_INTERVAL_MILLIS; @PluginBuilderAttribute private boolean immediateFail; // Programmatic access only for now. private JmsManager jmsManager; private Builder() { } @SuppressWarnings("resource") // actualJmsManager and jndiManager are managed by the JmsAppender @Override public JmsAppender build() { JmsManager actualJmsManager = jmsManager; JmsManagerConfiguration configuration = null; if (actualJmsManager == null) { final Properties jndiProperties = JndiManager.createProperties(factoryName, providerUrl, urlPkgPrefixes, securityPrincipalName, securityCredentials, null); configuration = new JmsManagerConfiguration(jndiProperties, factoryBindingName, destinationBindingName, userName, password, false, reconnectIntervalMillis); actualJmsManager = AbstractManager.getManager(getName(), JmsManager.FACTORY, configuration); } if (actualJmsManager == null) { // JmsManagerFactory has already logged an ERROR. return null; } final Layout<? extends Serializable> layout = getLayout(); if (layout == null) { LOGGER.error("No layout provided for JmsAppender"); return null; } try { return new JmsAppender(getName(), getFilter(), layout, isIgnoreExceptions(), getPropertyArray(), actualJmsManager); } catch (final JMSException e) { // Never happens since the ctor no longer actually throws a JMSException. throw new IllegalStateException(e); } } public Builder setDestinationBindingName(final String destinationBindingName) { this.destinationBindingName = destinationBindingName; return this; } public Builder setFactoryBindingName(final String factoryBindingName) { this.factoryBindingName = factoryBindingName; return this; } public Builder setFactoryName(final String factoryName) { this.factoryName = factoryName; return this; } public Builder setImmediateFail(final boolean immediateFail) { this.immediateFail = immediateFail; return this; } public Builder setJmsManager(final JmsManager jmsManager) { this.jmsManager = jmsManager; return this; } public Builder setPassword(final char[] password) { this.password = password; return this; } /** * @deprecated Use setPassword(char[]) */ @Deprecated public Builder setPassword(final String password) { this.password = password == null ? null : password.toCharArray(); return this; } public Builder setProviderUrl(final String providerUrl) { this.providerUrl = providerUrl; return this; } public Builder setReconnectIntervalMillis(final long reconnectIntervalMillis) { this.reconnectIntervalMillis = reconnectIntervalMillis; return this; } public Builder setSecurityCredentials(final String securityCredentials) { this.securityCredentials = securityCredentials; return this; } public Builder setSecurityPrincipalName(final String securityPrincipalName) { this.securityPrincipalName = securityPrincipalName; return this; } public Builder setUrlPkgPrefixes(final String urlPkgPrefixes) { this.urlPkgPrefixes = urlPkgPrefixes; return this; } /** * @deprecated Use {@link #setUserName(String)}. */ @Deprecated public Builder setUsername(final String username) { this.userName = username; return this; } public Builder setUserName(final String userName) { this.userName = userName; return this; } /** * Does not include the password. */ @Override public String toString() { return "Builder [name=" + getName() + ", factoryName=" + factoryName + ", providerUrl=" + providerUrl + ", urlPkgPrefixes=" + urlPkgPrefixes + ", securityPrincipalName=" + securityPrincipalName + ", securityCredentials=" + securityCredentials + ", factoryBindingName=" + factoryBindingName + ", destinationBindingName=" + destinationBindingName + ", username=" + userName + ", layout=" + getLayout() + ", filter=" + getFilter() + ", ignoreExceptions=" + isIgnoreExceptions() + ", jmsManager=" + jmsManager + "]"; } } @PluginBuilderFactory public static Builder newBuilder() { return new Builder(); } private volatile JmsManager manager; /** * * @throws JMSException not thrown as of 2.9 but retained in the signature for compatibility, will be removed in 3.0 */ protected JmsAppender(final String name, final Filter filter, final Layout<? extends Serializable> layout, final boolean ignoreExceptions, final Property[] properties, final JmsManager manager) throws JMSException { super(name, filter, layout, ignoreExceptions, properties); this.manager = manager; } /** * * @throws JMSException not thrown as of 2.9 but retained in the signature for compatibility, will be removed in 3.0 * @deprecated */ @Deprecated protected JmsAppender(final String name, final Filter filter, final Layout<? extends Serializable> layout, final boolean ignoreExceptions, final JmsManager manager) throws JMSException { super(name, filter, layout, ignoreExceptions, Property.EMPTY_ARRAY); this.manager = manager; } @Override public void append(final LogEvent event) { this.manager.send(event, toSerializable(event)); } public JmsManager getManager() { return manager; } @Override public boolean stop(final long timeout, final TimeUnit timeUnit) { setStopping(); boolean stopped = super.stop(timeout, timeUnit, false); stopped &= this.manager.stop(timeout, timeUnit); setStopped(); return stopped; } }
⏎ org/apache/logging/log4j/core/appender/mom/JmsAppender.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, 74598👍, 0💬
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