| package org.apache.maven.plugin; |
| |
| /* |
| * 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.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import org.apache.maven.plugin.descriptor.MojoDescriptor; |
| import org.apache.maven.plugin.descriptor.Parameter; |
| import org.codehaus.plexus.util.StringUtils; |
| |
| /** |
| * PluginParameterException |
| */ |
| public class PluginParameterException |
| extends PluginConfigurationException |
| { |
| |
| private static final String LS = System.lineSeparator(); |
| |
| private final List<Parameter> parameters; |
| |
| private final MojoDescriptor mojo; |
| |
| public PluginParameterException( MojoDescriptor mojo, List<Parameter> parameters ) |
| { |
| super( mojo.getPluginDescriptor(), "The parameters " + format( parameters ) + " for goal " |
| + mojo.getRoleHint() + " are missing or invalid" ); |
| |
| this.mojo = mojo; |
| |
| this.parameters = parameters; |
| } |
| |
| private static String format( List<Parameter> parameters ) |
| { |
| StringBuilder buffer = new StringBuilder( 128 ); |
| if ( parameters != null ) |
| { |
| for ( Parameter parameter : parameters ) |
| { |
| if ( buffer.length() > 0 ) |
| { |
| buffer.append( ", " ); |
| } |
| buffer.append( '\'' ).append( parameter.getName() ).append( '\'' ); |
| } |
| } |
| return buffer.toString(); |
| } |
| |
| public MojoDescriptor getMojoDescriptor() |
| { |
| return mojo; |
| } |
| |
| public List<Parameter> getParameters() |
| { |
| return parameters; |
| } |
| |
| private static void decomposeParameterIntoUserInstructions( MojoDescriptor mojo, Parameter param, |
| StringBuilder messageBuffer ) |
| { |
| String expression = param.getExpression(); |
| |
| if ( param.isEditable() ) |
| { |
| boolean isArray = param.getType().endsWith( "[]" ); |
| boolean isCollection = false; |
| boolean isMap = false; |
| boolean isProperties = false; |
| if ( !isArray ) |
| { |
| try |
| { |
| //assuming Type is available in current ClassLoader |
| isCollection = Collection.class.isAssignableFrom( Class.forName( param.getType() ) ); |
| isMap = Map.class.isAssignableFrom( Class.forName( param.getType() ) ); |
| isProperties = Properties.class.isAssignableFrom( Class.forName( param.getType() ) ); |
| } |
| catch ( ClassNotFoundException e ) |
| { |
| // assume it is not assignable from Collection or Map |
| } |
| } |
| |
| messageBuffer.append( "Inside the definition for plugin '" ); |
| messageBuffer.append( mojo.getPluginDescriptor().getArtifactId() ); |
| messageBuffer.append( "', specify the following:" ).append( LS ).append( LS ); |
| messageBuffer.append( "<configuration>" ).append( LS ).append( " ..." ).append( LS ); |
| messageBuffer.append( " <" ).append( param.getName() ).append( '>' ); |
| if ( isArray || isCollection ) |
| { |
| messageBuffer.append( LS ); |
| messageBuffer.append( " <item>" ); |
| } |
| else if ( isProperties ) |
| { |
| messageBuffer.append( LS ); |
| messageBuffer.append( " <property>" ).append( LS ); |
| messageBuffer.append( " <name>KEY</name>" ).append( LS ); |
| messageBuffer.append( " <value>" ); |
| } |
| else if ( isMap ) |
| { |
| messageBuffer.append( LS ); |
| messageBuffer.append( " <KEY>" ); |
| } |
| messageBuffer.append( "VALUE" ); |
| if ( isArray || isCollection ) |
| { |
| messageBuffer.append( "</item>" ).append( LS ); |
| messageBuffer.append( " " ); |
| } |
| else if ( isProperties ) |
| { |
| messageBuffer.append( "</value>" ).append( LS ); |
| messageBuffer.append( " </property>" ).append( LS ); |
| messageBuffer.append( " " ); |
| } |
| else if ( isMap ) |
| { |
| messageBuffer.append( "</KEY>" ).append( LS ); |
| messageBuffer.append( " " ); |
| } |
| messageBuffer.append( "</" ).append( param.getName() ).append( ">" ).append( LS ); |
| messageBuffer.append( "</configuration>" ); |
| |
| String alias = param.getAlias(); |
| if ( StringUtils.isNotEmpty( alias ) && !alias.equals( param.getName() ) ) |
| { |
| messageBuffer.append( LS ).append( LS ).append( "-OR-" ).append( LS ).append( LS ); |
| messageBuffer.append( "<configuration>" ).append( LS ).append( " ..." ).append( LS ); |
| messageBuffer.append( " <" ).append( alias ).append( |
| ">VALUE</" ).append( alias ).append( ">" ).append( LS ).append( "</configuration>" ).append( LS ); |
| } |
| } |
| |
| if ( StringUtils.isEmpty( expression ) ) |
| { |
| messageBuffer.append( '.' ); |
| } |
| else |
| { |
| if ( param.isEditable() ) |
| { |
| messageBuffer.append( LS ).append( LS ).append( "-OR-" ).append( LS ).append( LS ); |
| } |
| |
| //addParameterUsageInfo( expression, messageBuffer ); |
| } |
| } |
| |
| public String buildDiagnosticMessage() |
| { |
| StringBuilder messageBuffer = new StringBuilder( 256 ); |
| |
| List<Parameter> params = getParameters(); |
| MojoDescriptor mojo = getMojoDescriptor(); |
| |
| messageBuffer.append( "One or more required plugin parameters are invalid/missing for '" ) |
| .append( mojo.getPluginDescriptor().getGoalPrefix() ).append( ':' ).append( mojo.getGoal() ) |
| .append( "'" ).append( LS ); |
| |
| int idx = 0; |
| for ( Iterator<Parameter> it = params.iterator(); it.hasNext(); idx++ ) |
| { |
| Parameter param = it.next(); |
| |
| messageBuffer.append( LS ).append( "[" ).append( idx ).append( "] " ); |
| |
| decomposeParameterIntoUserInstructions( mojo, param, messageBuffer ); |
| |
| messageBuffer.append( LS ); |
| } |
| |
| return messageBuffer.toString(); |
| } |
| } |