impl/maven-core/src/main/java/org/apache/maven/lifecycle/internal/concurrent/BuildPlanExecutor.java [1020:1073]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    private void finalizeMojoConfiguration(MojoExecution mojoExecution) {
        MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

        XmlNode executionConfiguration = mojoExecution.getConfiguration() != null
                ? mojoExecution.getConfiguration().getDom()
                : null;
        if (executionConfiguration == null) {
            executionConfiguration = XmlNode.newInstance("configuration");
        }

        XmlNode defaultConfiguration = getMojoConfiguration(mojoDescriptor);

        List<XmlNode> children = new ArrayList<>();
        if (mojoDescriptor.getParameters() != null) {
            for (Parameter parameter : mojoDescriptor.getParameters()) {
                XmlNode parameterConfiguration = executionConfiguration.child(parameter.getName());

                if (parameterConfiguration == null) {
                    parameterConfiguration = executionConfiguration.child(parameter.getAlias());
                }

                XmlNode parameterDefaults = defaultConfiguration.child(parameter.getName());

                if (parameterConfiguration != null) {
                    parameterConfiguration = XmlService.merge(parameterConfiguration, parameterDefaults, Boolean.TRUE);
                } else {
                    parameterConfiguration = parameterDefaults;
                }

                if (parameterConfiguration != null) {
                    Map<String, String> attributes = new HashMap<>(parameterConfiguration.attributes());

                    String attributeForImplementation = parameterConfiguration.attribute("implementation");
                    String parameterForImplementation = parameter.getImplementation();
                    if ((attributeForImplementation == null || attributeForImplementation.isEmpty())
                            && ((parameterForImplementation != null) && !parameterForImplementation.isEmpty())) {
                        attributes.put("implementation", parameter.getImplementation());
                    }

                    parameterConfiguration = XmlNode.newInstance(
                            parameter.getName(),
                            parameterConfiguration.value(),
                            attributes,
                            parameterConfiguration.children(),
                            parameterConfiguration.inputLocation());

                    children.add(parameterConfiguration);
                }
            }
        }
        XmlNode finalConfiguration = XmlNode.newInstance("configuration", children);

        mojoExecution.setConfiguration(finalConfiguration);
    }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



impl/maven-core/src/main/java/org/apache/maven/lifecycle/internal/DefaultLifecycleExecutionPlanCalculator.java [282:335]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    private void finalizeMojoConfiguration(MojoExecution mojoExecution) {
        MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

        XmlNode executionConfiguration = mojoExecution.getConfiguration() != null
                ? mojoExecution.getConfiguration().getDom()
                : null;
        if (executionConfiguration == null) {
            executionConfiguration = XmlNode.newInstance("configuration");
        }

        XmlNode defaultConfiguration = getMojoConfiguration(mojoDescriptor);

        List<XmlNode> children = new ArrayList<>();
        if (mojoDescriptor.getParameters() != null) {
            for (Parameter parameter : mojoDescriptor.getParameters()) {
                XmlNode parameterConfiguration = executionConfiguration.child(parameter.getName());

                if (parameterConfiguration == null) {
                    parameterConfiguration = executionConfiguration.child(parameter.getAlias());
                }

                XmlNode parameterDefaults = defaultConfiguration.child(parameter.getName());

                if (parameterConfiguration != null) {
                    parameterConfiguration = XmlService.merge(parameterConfiguration, parameterDefaults, Boolean.TRUE);
                } else {
                    parameterConfiguration = parameterDefaults;
                }

                if (parameterConfiguration != null) {
                    Map<String, String> attributes = new HashMap<>(parameterConfiguration.attributes());

                    String attributeForImplementation = parameterConfiguration.attribute("implementation");
                    String parameterForImplementation = parameter.getImplementation();
                    if ((attributeForImplementation == null || attributeForImplementation.isEmpty())
                            && ((parameterForImplementation != null) && !parameterForImplementation.isEmpty())) {
                        attributes.put("implementation", parameter.getImplementation());
                    }

                    parameterConfiguration = XmlNode.newInstance(
                            parameter.getName(),
                            parameterConfiguration.value(),
                            attributes,
                            parameterConfiguration.children(),
                            parameterConfiguration.inputLocation());

                    children.add(parameterConfiguration);
                }
            }
        }
        XmlNode finalConfiguration = XmlNode.newInstance("configuration", children);

        mojoExecution.setConfiguration(finalConfiguration);
    }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -