| /* |
| * 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.tinkerpop.gremlin.jsr223; |
| |
| import java.lang.reflect.Method; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.LinkedHashSet; |
| import java.util.Set; |
| |
| /** |
| * Simple implementation of the {@link ImportCustomizer} which allows direct setting of all the different import types. |
| * |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| public class DefaultImportCustomizer implements ImportCustomizer { |
| |
| private final Set<Class> classImports; |
| private final Set<Method> methodImports; |
| private final Set<Enum> enumImports; |
| |
| private DefaultImportCustomizer(final Builder builder) { |
| classImports = builder.classImports; |
| methodImports = builder.methodImports; |
| enumImports = builder.enumImports; |
| } |
| |
| public Set<Class> getClassImports() { |
| return Collections.unmodifiableSet(classImports); |
| } |
| |
| public Set<Method> getMethodImports() { |
| return Collections.unmodifiableSet(methodImports); |
| } |
| |
| public Set<Enum> getEnumImports() { |
| return Collections.unmodifiableSet(enumImports); |
| } |
| |
| public static Builder build() { |
| return new Builder(); |
| } |
| |
| public static class Builder { |
| private Set<Class> classImports = new LinkedHashSet<>(); |
| private Set<Method> methodImports = new LinkedHashSet<>(); |
| private Set<Enum> enumImports = new LinkedHashSet<>(); |
| |
| private Builder() {} |
| |
| /** |
| * Adds classes that will be imported to the {@code ScriptEngine}. |
| */ |
| public Builder addClassImports(final Class... clazz) { |
| classImports.addAll(Arrays.asList(clazz)); |
| return this; |
| } |
| |
| /** |
| * Overload to {@link #addClassImports(Class[])}. |
| */ |
| public Builder addClassImports(final Collection<Class> classes) { |
| classImports.addAll(classes); |
| return this; |
| } |
| |
| /** |
| * Adds methods that are meant to be imported statically to the engine. When adding methods be sure that |
| * the classes of those methods are added to the {@link #addClassImports(Class[])} or |
| * {@link #addClassImports(Collection)}. If they are not added then the certain {@code ScriptEngine} instances |
| * may have problems importing the methods (e.g. gremlin-python). |
| */ |
| public Builder addMethodImports(final Method... method) { |
| methodImports.addAll(Arrays.asList(method)); |
| return this; |
| } |
| |
| /** |
| * Overload to {@link #addMethodImports(Method...)}. |
| */ |
| public Builder addMethodImports(final Collection<Method> methods) { |
| methodImports.addAll(methods); |
| return this; |
| } |
| |
| |
| /** |
| * Adds methods that are meant to be imported statically to the engine. When adding methods be sure that |
| * the classes of those methods are added to the {@link #addClassImports(Class[])} or |
| * {@link #addClassImports(Collection)}. If they are not added then the certain {@code ScriptEngine} instances |
| * may have problems importing the methods (e.g. gremlin-python). |
| */ |
| public Builder addEnumImports(final Enum... e) { |
| enumImports.addAll(Arrays.asList(e)); |
| return this; |
| } |
| |
| /** |
| * Overload to {@link #addEnumImports(Enum[])}. |
| */ |
| public Builder addEnumImports(final Collection<Enum> enums) { |
| enumImports.addAll(enums); |
| return this; |
| } |
| |
| public DefaultImportCustomizer create() { |
| return new DefaultImportCustomizer(this); |
| } |
| } |
| } |