/*
* Copyright 2000-2015 JetBrains s.r.o.
*
* Licensed 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 com.intellij.ide.script;
import com.intellij.openapi.project.Project;
import com.intellij.util.ObjectUtils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.ide.script.IdeScriptEngine;
public class IdeScriptBindings {
public static final Binding<IDE> IDE = Binding.create("IDE", IDE.class);
public static void ensureIdeIsBound(@Nullable Project project, @NotNull IdeScriptEngine engine) {
IDE oldIdeBinding = IDE.get(engine);
if (oldIdeBinding == null) {
IDE.set(engine, new IDE(project, engine));
}
}
private IdeScriptBindings() {
}
public static class Binding<T> {
private final String myName;
private final Class<T> myClass;
private Binding(@NotNull String name, @NotNull Class<T> clazz) {
myName = name;
myClass = clazz;
}
public void set(@NotNull IdeScriptEngine engine, T value) {
engine.setBinding(myName, value);
}
public T get(@NotNull IdeScriptEngine engine) {
return ObjectUtils.tryCast(engine.getBinding(myName), myClass);
}
static <T> Binding<T> create(@NotNull String name, @NotNull Class<T> clazz) {
return new Binding<>(name, clazz);
}
}
}