Java tutorial
package com.redhat.jenkins.plugins.ci.messaging; import hudson.Extension; import hudson.ExtensionList; import hudson.model.Descriptor; import hudson.util.Secret; import java.util.logging.Logger; import jenkins.model.Jenkins; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.commons.lang3.StringUtils; import org.kohsuke.stapler.DataBoundConstructor; import org.kohsuke.stapler.DataBoundSetter; import com.redhat.jenkins.plugins.ci.authentication.AuthenticationMethod.AuthenticationMethodDescriptor; import com.redhat.jenkins.plugins.ci.authentication.activemq.ActiveMQAuthenticationMethod; import com.redhat.jenkins.plugins.ci.authentication.activemq.UsernameAuthenticationMethod; /* * The MIT License * * Copyright (c) Red Hat, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ public class ActiveMqMessagingProvider extends JMSMessagingProvider { private String broker; private String topic; private transient String user; private transient Secret password; private transient boolean migrationInProgress = false; private ActiveMQAuthenticationMethod authenticationMethod; private transient static final Logger log = Logger.getLogger(ActiveMqMessagingProvider.class.getName()); @DataBoundConstructor public ActiveMqMessagingProvider(String name, String broker, String topic, ActiveMQAuthenticationMethod authenticationMethod) { this.name = name; this.broker = broker; this.topic = topic; this.authenticationMethod = authenticationMethod; } protected Object readResolve() { if (user != null) { log.info("Legacy Message Provider username value is not null."); authenticationMethod = new UsernameAuthenticationMethod(user, password); log.info("Added default username/password authentication method using deprecated configuration."); setMigrationInProgress(true); } return this; } @DataBoundSetter public void setBroker(String broker) { this.broker = StringUtils.strip(StringUtils.stripToNull(broker), "/"); } @DataBoundSetter public void setTopic(String topic) { this.topic = topic; } @DataBoundSetter public void setAuthenticationMethod(ActiveMQAuthenticationMethod method) { this.authenticationMethod = method; } @Override public Descriptor<JMSMessagingProvider> getDescriptor() { return Jenkins.getInstance().getDescriptorByType(ActiveMqMessagingProviderDescriptor.class); } public String getBroker() { return broker; } public String getTopic() { return topic; } public ActiveMQAuthenticationMethod getAuthenticationMethod() { return authenticationMethod; } public ActiveMQConnectionFactory getConnectionFactory() { return getConnectionFactory(getBroker(), getAuthenticationMethod()); } public ActiveMQConnectionFactory getConnectionFactory(String broker, ActiveMQAuthenticationMethod authenticationMethod) { return authenticationMethod.getConnectionFactory(broker); } @Override public JMSMessagingWorker createWorker(MessagingProviderOverrides overrides, String jobname) { return new ActiveMqMessagingWorker(this, overrides, jobname); } public boolean IsMigrationInProgress() { return migrationInProgress; } private void setMigrationInProgress(boolean migrationInProgress) { this.migrationInProgress = migrationInProgress; } @Extension public static class ActiveMqMessagingProviderDescriptor extends MessagingProviderDescriptor { private final Logger log = Logger.getLogger(ActiveMqMessagingProviderDescriptor.class.getName()); @Override public String getDisplayName() { return "Active MQ"; } public ExtensionList<AuthenticationMethodDescriptor> getAuthenticationMethodDescriptors() { return AuthenticationMethodDescriptor.all(); } } }