private Object getConfig()

in meecrowave-gradle-plugin/src/main/java/org/apache/meecrowave/gradle/MeecrowaveTask.java [467:543]
73 lines of code
15 McCabe index (conditional complexity)

    private Object getConfig(final Class<?> configClass) throws Exception {
        final Object config = configClass.newInstance();
        for (final Field field : MeecrowaveTask.class.getDeclaredFields()) {
            try {
                final Field configField = configClass.getDeclaredField(field.getName());
                if (!configField.getType().equals(field.getType())) {
                    getLogger().debug("Skipping " + field.getName() + " since type doesnt match");
                    continue;
                }
                if (!field.isAccessible()) {
                    field.setAccessible(true);
                }

                final Object value = field.get(this);
                if (value != null) {
                    if (!configField.isAccessible()) {
                        configField.setAccessible(true);
                    }
                    configField.set(config, value);
                    getLogger().debug("using " + field.getName() + " = " + value);
                }
            } catch (final NoSuchFieldException nsfe) {
                // ignored
            } catch (final Exception e) {
                getLogger().warn("can't initialize attribute " + field.getName(), e);
            }
        }

        if (securityConstraints != null) {
            configClass.getMethod("setSecurityConstraints", Collection.class).invoke(config, securityConstraints.stream()
                    .map(item -> {
                        try {
                            final Class<?> recipeType = configClass.getClassLoader().loadClass("org.apache.xbean.recipe.ObjectRecipe");
                            final Class<?> builderType = configClass.getClassLoader().loadClass("org.apache.meecrowave.Meecrowave$SecurityConstaintBuilder");
                            final Object recipe = recipeType.getConstructor(Class.class).newInstance(builderType);
                            Stream.of(item.split(";"))
                                    .map(v -> v.split("="))
                                    .forEach(v -> {
                                        try {
                                            recipe.getClass().getMethod("setProperty", String.class, String.class).invoke(recipe, v[0], v[1]);
                                        } catch (final NoSuchMethodException | IllegalAccessException e) {
                                            throw new IllegalStateException(e);
                                        } catch (final InvocationTargetException e) {
                                            throw new IllegalStateException(e.getCause());
                                        }
                                    });
                            return recipe.getClass().getMethod("create", ClassLoader.class).invoke(recipe, configClass.getClassLoader());
                        } catch (final Exception cnfe) {
                            throw new IllegalArgumentException(item);
                        }
                    }).collect(toList()));
        }
        ofNullable(loginConfig).ifPresent(lc -> {
            try {
                final Class<?> recipeType = configClass.getClassLoader().loadClass("org.apache.xbean.recipe.ObjectRecipe");
                final Class<?> builderType = configClass.getClassLoader().loadClass("org.apache.meecrowave.Meecrowave$LoginConfigBuilder");
                final Object recipe = recipeType.getConstructor(Class.class).newInstance(builderType);
                Stream.of(loginConfig.split(";"))
                        .map(v -> v.split("="))
                        .forEach(v -> {
                            try {
                                recipe.getClass().getMethod("setProperty", String.class, String.class).invoke(recipe, v[0], v[1]);
                            } catch (final NoSuchMethodException | IllegalAccessException e) {
                                throw new IllegalStateException(e);
                            } catch (final InvocationTargetException e) {
                                throw new IllegalStateException(e.getCause());
                            }
                        });
                configClass.getMethod("setLoginConfig", Collection.class)
                        .invoke(config, recipe.getClass().getMethod("create", ClassLoader.class).invoke(recipe, configClass.getClassLoader()));
            } catch (final Exception cnfe) {
                throw new IllegalArgumentException(loginConfig);
            }
        });

        return config;
    }