| /* |
| * 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.felix.sandbox.scrplugin.om; |
| |
| import java.util.List; |
| |
| import org.apache.felix.sandbox.scrplugin.tags.JavaClassDescription; |
| import org.apache.felix.sandbox.scrplugin.tags.JavaMethod; |
| import org.apache.felix.sandbox.scrplugin.tags.JavaTag; |
| import org.apache.maven.plugin.MojoExecutionException; |
| import org.codehaus.plexus.util.StringUtils; |
| |
| /** |
| * <code>Reference.java</code>... |
| * |
| */ |
| public class Reference extends AbstractObject { |
| |
| protected String name; |
| protected String interfacename; |
| protected String target; |
| protected String cardinality; |
| protected String policy; |
| protected String bind; |
| protected String unbind; |
| |
| /** |
| * Default constructor. |
| */ |
| public Reference() { |
| this(null); |
| } |
| |
| /** |
| * Constructor from java source. |
| */ |
| public Reference(JavaTag t) { |
| super(t); |
| // set default values |
| this.setBind("bind"); |
| this.setUnbind("unbind"); |
| } |
| |
| public String getName() { |
| return this.name; |
| } |
| public void setName(String name) { |
| this.name = name; |
| } |
| public String getInterfacename() { |
| return this.interfacename; |
| } |
| public void setInterfacename(String interfacename) { |
| this.interfacename = interfacename; |
| } |
| public String getTarget() { |
| return this.target; |
| } |
| public void setTarget(String target) { |
| this.target = target; |
| } |
| public String getCardinality() { |
| return this.cardinality; |
| } |
| public void setCardinality(String cardinality) { |
| this.cardinality = cardinality; |
| } |
| public String getPolicy() { |
| return this.policy; |
| } |
| public void setPolicy(String policy) { |
| this.policy = policy; |
| } |
| public String getBind() { |
| return this.bind; |
| } |
| public void setBind(String bind) { |
| this.bind = bind; |
| } |
| public String getUnbind() { |
| return this.unbind; |
| } |
| public void setUnbind(String unbind) { |
| this.unbind = unbind; |
| } |
| |
| /** |
| * Validate the property. |
| * If errors occur a message is added to the issues list, |
| * warnings can be added to the warnings list. |
| */ |
| public void validate(List issues, List warnings) |
| throws MojoExecutionException { |
| // validate name |
| if (StringUtils.isEmpty(this.name)) { |
| issues.add(this.getMessage("Reference has no name")); |
| } |
| |
| // validate interface |
| if (StringUtils.isEmpty(this.interfacename)) { |
| issues.add(this.getMessage("Missing interface name")); |
| } |
| |
| // validate cardinality |
| if (this.cardinality == null) { |
| this.cardinality = "1..1"; |
| } else if (!"0..1".equals(this.cardinality) && !"1..1".equals(this.cardinality) |
| && !"0..n".equals(this.cardinality) && !"1..n".equals(this.cardinality)) { |
| issues.add(this.getMessage("Invalid Cardinality specification " + this.cardinality)); |
| } |
| |
| // validate policy |
| if (this.policy == null) { |
| this.policy = "static"; |
| } else if (!"static".equals(this.policy) && !"dynamic".equals(this.policy)) { |
| issues.add(this.getMessage("Invalid Policy specification " + this.policy)); |
| } |
| |
| // validate bind and unbind methods |
| JavaClassDescription javaClass = this.tag.getJavaClassDescription(); |
| if (javaClass != null) { |
| this.bind = this.validateMethod(javaClass, this.bind, issues, warnings); |
| this.unbind = this.validateMethod(javaClass, this.unbind, issues, warnings); |
| } else { |
| issues.add(this.getMessage("Cannot find Java class to which the reference belongs")); |
| } |
| } |
| |
| protected String validateMethod(JavaClassDescription javaClass, String methodName, List issues, List warnings) |
| throws MojoExecutionException { |
| |
| JavaMethod method = this.findMethod(javaClass, methodName); |
| |
| if (method == null) { |
| issues.add(this.getMessage("Missing method " + methodName + " for reference " + this.getName())); |
| return null; |
| } |
| |
| if (method.isPublic()) { |
| warnings.add(this.getMessage("Method " + method.getName() + " should be declared protected")); |
| } else if (!method.isProtected()) { |
| issues.add(this.getMessage("Method " + method.getName() + " has wrong qualifier, public or protected required")); |
| return null; |
| } |
| |
| return method.getName(); |
| } |
| |
| protected JavaMethod findMethod(JavaClassDescription javaClass, String methodName) |
| throws MojoExecutionException { |
| |
| String[] sig = new String[]{ this.getInterfacename() }; |
| String[] sig2 = new String[]{ "org.osgi.framework.ServiceReference" }; |
| |
| // service interface or ServiceReference first |
| String realMethodName = methodName; |
| JavaMethod method = javaClass.getMethodBySignature(realMethodName, sig); |
| if (method == null) { |
| method = javaClass.getMethodBySignature(realMethodName, sig2); |
| } |
| |
| // append reference name with service interface and ServiceReference |
| if (method == null) { |
| realMethodName = methodName + Character.toUpperCase(this.name.charAt(0)) |
| + this.name.substring(1); |
| |
| method = javaClass.getMethodBySignature(realMethodName, sig); |
| } |
| if (method == null) { |
| method = javaClass.getMethodBySignature(realMethodName, sig2); |
| } |
| |
| // append type name with service interface and ServiceReference |
| if (method == null) { |
| int lastDot = this.getInterfacename().lastIndexOf('.'); |
| realMethodName = methodName |
| + this.getInterfacename().substring(lastDot + 1); |
| method = javaClass.getMethodBySignature(realMethodName, sig); |
| } |
| if (method == null) { |
| method = javaClass.getMethodBySignature(realMethodName, sig2); |
| } |
| |
| return method; |
| } |
| |
| } |