| /* |
| * 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.maven.plugin.internal; |
| |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.maven.plugin.descriptor.MojoDescriptor; |
| import org.apache.maven.plugin.descriptor.Parameter; |
| import org.codehaus.plexus.component.configurator.ConfigurationListener; |
| |
| /** |
| * A configuration listener to help validate the plugin configuration. For instance, check for required but missing |
| * parameters. |
| * |
| */ |
| class ValidatingConfigurationListener implements ConfigurationListener { |
| private final Object mojo; |
| |
| private final ConfigurationListener delegate; |
| |
| private final Map<String, Parameter> missingParameters; |
| |
| ValidatingConfigurationListener(Object mojo, MojoDescriptor mojoDescriptor, ConfigurationListener delegate) { |
| this.mojo = mojo; |
| this.delegate = delegate; |
| this.missingParameters = new HashMap<>(); |
| |
| if (mojoDescriptor.getParameters() != null) { |
| for (Parameter param : mojoDescriptor.getParameters()) { |
| if (param.isRequired()) { |
| missingParameters.put(param.getName(), param); |
| } |
| } |
| } |
| } |
| |
| public Collection<Parameter> getMissingParameters() { |
| return missingParameters.values(); |
| } |
| |
| public void notifyFieldChangeUsingSetter(String fieldName, Object value, Object target) { |
| delegate.notifyFieldChangeUsingSetter(fieldName, value, target); |
| |
| if (mojo == target) { |
| notify(fieldName, value); |
| } |
| } |
| |
| public void notifyFieldChangeUsingReflection(String fieldName, Object value, Object target) { |
| delegate.notifyFieldChangeUsingReflection(fieldName, value, target); |
| |
| if (mojo == target) { |
| notify(fieldName, value); |
| } |
| } |
| |
| private void notify(String fieldName, Object value) { |
| if (value != null) { |
| missingParameters.remove(fieldName); |
| } |
| } |
| } |