Java tutorial
package com.redhat.jenkins.plugins.ci.messaging; import hudson.ExtensionList; import hudson.model.Describable; import hudson.model.Descriptor; import java.io.Serializable; import java.util.List; import java.util.logging.Logger; import java.util.regex.Pattern; import jenkins.model.Jenkins; import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; import com.jayway.jsonpath.DocumentContext; import com.jayway.jsonpath.JsonPath; import com.jayway.jsonpath.PathNotFoundException; import com.redhat.jenkins.plugins.ci.messaging.checks.MsgCheck; import com.redhat.jenkins.plugins.ci.provider.data.ProviderData; /* * 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 abstract class JMSMessagingProvider implements Describable<JMSMessagingProvider>, Serializable { private static final long serialVersionUID = -4572907003185115933L; protected String name; protected String topic; protected static final Logger log = Logger.getLogger(JMSMessagingProvider.class.getName()); public final static String DEFAULT_PROVIDERNAME = "default"; public String getName() { return name; } public String getTopic() { return topic; } public abstract JMSMessagingWorker createWorker(ProviderData pdata, String jobname); public abstract JMSMessageWatcher createWatcher(); public boolean verify(String json, List<MsgCheck> checks) { if (checks != null && checks.size() > 0) { if (StringUtils.isBlank(json)) { // There are checks, but the json is empty. Must be false. return false; } DocumentContext context = JsonPath.parse(json); for (MsgCheck check : checks) { if (!verify(context, check)) { log.fine("msg check: " + check.toString() + " failed against: " + json); return false; } } log.fine("All msg checks have passed."); } return true; } private boolean verify(DocumentContext context, MsgCheck check) { String aVal = ""; String field = StringUtils.prependIfMissing(check.getField(), "$."); try { aVal = context.read(field).toString(); } catch (PathNotFoundException pnfe) { log.fine(pnfe.getMessage()); return false; } String eVal = StringUtils.defaultString(check.getExpectedValue()); return Pattern.compile(eVal).matcher(aVal).find(); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; JMSMessagingProvider that = (JMSMessagingProvider) o; return new EqualsBuilder().append(name, that.name).isEquals(); } @Override public int hashCode() { return new HashCodeBuilder(17, 37).append(name).toHashCode(); } public abstract static class MessagingProviderDescriptor extends Descriptor<JMSMessagingProvider> { public static ExtensionList<MessagingProviderDescriptor> all() { return Jenkins.getInstance().getExtensionList(MessagingProviderDescriptor.class); } } }