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Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/plugin/internal/ValidatingConfigurationListener.java')
-rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/plugin/internal/ValidatingConfigurationListener.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/plugin/internal/ValidatingConfigurationListener.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/plugin/internal/ValidatingConfigurationListener.java new file mode 100644 index 00000000..706694b8 --- /dev/null +++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/plugin/internal/ValidatingConfigurationListener.java @@ -0,0 +1,97 @@ +package org.apache.maven.plugin.internal; + +/* + * 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. + */ + +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. + * + * @author Benjamin Bentmann + */ +class ValidatingConfigurationListener + implements ConfigurationListener +{ + + private final Object mojo; + + private final ConfigurationListener delegate; + + private final Map<String, Parameter> missingParameters; + + public ValidatingConfigurationListener( Object mojo, MojoDescriptor mojoDescriptor, ConfigurationListener delegate ) + { + this.mojo = mojo; + this.delegate = delegate; + this.missingParameters = new HashMap<String, Parameter>(); + + 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 ); + } + } + +} |