Java tutorial
/* Copyright (C) 2010-2014 Pivotal Software, Inc. All rights reserved. This program and the accompanying materials are made available under the terms of the 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 com.springsource.hq.plugin.tcserver.serverconfig.services; import java.util.HashSet; import java.util.Set; import javax.xml.bind.annotation.XmlAttribute; import javax.xml.bind.annotation.XmlElement; import javax.xml.bind.annotation.XmlElementWrapper; import javax.xml.bind.annotation.XmlTransient; import javax.xml.bind.annotation.XmlType; import org.springframework.util.ObjectUtils; import org.springframework.util.StringUtils; import org.springframework.validation.Errors; import org.springframework.validation.Validator; import com.springsource.hq.plugin.tcserver.serverconfig.BindableAttributes; import com.springsource.hq.plugin.tcserver.serverconfig.Hierarchical; import com.springsource.hq.plugin.tcserver.serverconfig.Identity; import com.springsource.hq.plugin.tcserver.serverconfig.Settings; import com.springsource.hq.plugin.tcserver.serverconfig.ValidationUtils; import com.springsource.hq.plugin.tcserver.serverconfig.services.connector.Connector; import com.springsource.hq.plugin.tcserver.serverconfig.services.engine.Engine; /** * Holder for service settings. (http://tomcat.apache.org/tomcat-6.0-doc/config/service.html) * * @author Scott Andrews * @since 2.0 */ @BindableAttributes @XmlType(name = "service", propOrder = { "connectors", "engine" }) public class Service implements Validator, Hierarchical<Settings>, Identity { /** * The display name of this Service, which will be included in log messages if you utilize standard Catalina * components. The name of each Service that is associated with a particular Server must be unique. */ private String name; private Engine engine; private Set<Connector> connectors; private String id; private Settings parent; public Service() { engine = new Engine(); connectors = new HashSet<Connector>(); } @XmlAttribute(name = "name", required = true) public String getName() { return name; } public void setName(String name) { this.name = name; } @XmlElement(name = "engine", required = true) public Engine getEngine() { return engine; } public void setEngine(Engine engine) { this.engine = engine; } @XmlElementWrapper(name = "connectors", required = true) @XmlElement(name = "connector") public Set<Connector> getConnectors() { return connectors; } public void setConnectors(Set<Connector> connectors) { this.connectors = connectors; } @XmlTransient public String getId() { return id; } public void setId(String id) { this.id = id; } public boolean supports(Class<?> clazz) { return this.getClass().equals(clazz); } public void validate(Object target, Errors errors) { Service service = (Service) target; if (!errors.hasFieldErrors("name")) { if (!StringUtils.hasText(service.getName())) { errors.rejectValue("name", "service.name.required"); } else { // detect duplicate service names if (service.parent() != null) { for (Service s : service.parent().getServices()) { if (s != service && ObjectUtils.nullSafeEquals(service.getName(), s.getName())) { errors.reject("service.name.unique", new Object[] { service.getName() }, null); } } } } } ValidationUtils.validateCollection(service.getConnectors(), "connectors", errors); errors.pushNestedPath("engine"); service.getEngine().validate(service.getEngine(), errors); errors.popNestedPath(); } public void applyParentToChildren() { engine.setParent(this); engine.applyParentToChildren(); for (Connector connector : connectors) { connector.setParent(this); connector.applyParentToChildren(); } } public Settings parent() { return parent; } public void setParent(Settings parent) { this.parent = parent; } @XmlTransient public String getHumanId() { return name; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (!(obj instanceof Service)) { return false; } Service service = (Service) obj; return ObjectUtils.nullSafeEquals(this.getConnectors(), service.getConnectors()) && ObjectUtils.nullSafeEquals(this.getEngine(), service.getEngine()) && ObjectUtils.nullSafeEquals(this.getName(), service.getName()); } @Override public int hashCode() { return ObjectUtils.nullSafeHashCode(this.connectors) * 29 + ObjectUtils.nullSafeHashCode(this.engine) * 29 + ObjectUtils.nullSafeHashCode(this.name) * 29; } }