/*
* Copyright 2013-2016 consulo.io
*
* 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 consulo.lang.injection;
import com.intellij.lang.injection.MultiHostInjector;
import com.intellij.openapi.components.ComponentManager;
import com.intellij.openapi.extensions.AbstractExtensionPointBean;
import com.intellij.openapi.util.NotNullLazyValue;
import com.intellij.psi.PsiElement;
import com.intellij.util.xmlb.annotations.Attribute;
import org.jetbrains.annotations.NotNull;
/**
* @author VISTALL
* @since 23:59/28.08.13
*/
public class MultiHostInjectorExtensionPoint extends AbstractExtensionPointBean {
@Attribute("forClass")
public String psiElementClass;
@Attribute("implementationClass")
public String implementationClass;
private MultiHostInjector myInstance;
private final NotNullLazyValue<Class<PsiElement>> myForClassHandler = new NotNullLazyValue<Class<PsiElement>>() {
@NotNull
@Override
protected Class<PsiElement> compute() {
assert psiElementClass != null : getPluginDescriptor().getPluginId().getIdString();
Class<PsiElement> clazz = findClassNoExceptions(psiElementClass);
assert clazz != null : psiElementClass;
return clazz;
}
};
private final NotNullLazyValue<Class<MultiHostInjector>> myImplementationClassHandler = new NotNullLazyValue<Class<MultiHostInjector>>() {
@NotNull
@Override
protected Class<MultiHostInjector> compute() {
assert implementationClass != null : getPluginDescriptor().getPluginId().getIdString();
Class<MultiHostInjector> clazz = findClassNoExceptions(implementationClass);
assert clazz != null : implementationClass;
return clazz;
}
};
@NotNull
public Class<PsiElement> getKey() {
return myForClassHandler.getValue();
}
@NotNull
public MultiHostInjector getInstance(@NotNull ComponentManager componentManager) {
if(myInstance == null) {
myInstance = instantiate(myImplementationClassHandler.getValue(), componentManager.getPicoContainer());
}
return myInstance;
}
}