| /* |
| * 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.netbeans.modules.web.el; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import org.netbeans.modules.parsing.api.Snapshot; |
| import org.netbeans.modules.web.el.spi.ELVariableResolver; |
| import org.netbeans.modules.web.el.spi.ELVariableResolver.FieldInfo; |
| import org.openide.filesystems.FileObject; |
| import org.openide.util.Lookup; |
| |
| /** |
| * Convenience methods for dealing with {@link ELVariableResolver}s. |
| */ |
| public final class ELVariableResolvers { |
| |
| private ELVariableResolvers() { |
| } |
| |
| /** |
| * Gets the FQN class of the bean identified by {@code beanName}. |
| * @param beanName |
| * @param context |
| * @return the FQN of the bean or {@code null}. |
| */ |
| public static String findBeanClass( |
| final CompilationContext compilationContext, |
| final String beanName, |
| final FileObject context) { |
| return (String) compilationContext.cache().getOrCache( |
| CompilationCache.createKey(beanName, context), |
| new CompilationCache.ValueProvider<String>() { |
| |
| @Override |
| public String get() { |
| for (ELVariableResolver resolver : getResolvers()) { |
| FieldInfo beanClass = resolver.getInjectableField(beanName, context, compilationContext.context()); |
| if (beanClass != null) { |
| return beanClass.getEnclosingClass(); |
| } |
| } |
| return null; |
| |
| } |
| }); |
| } |
| |
| /** |
| * Gets the name of the bean of the given {@code clazz}. |
| * @param clazz the FQN class of the bean. |
| * @param context |
| * @return the bean name or {@code null}. |
| */ |
| public static String findBeanName( |
| final CompilationContext compilationContext, |
| final String clazz, |
| final FileObject context) { |
| |
| return (String) compilationContext.cache().getOrCache( |
| CompilationCache.createKey(clazz, context), |
| new CompilationCache.ValueProvider<String>() { |
| |
| @Override |
| public String get() { |
| for (ELVariableResolver resolver : getResolvers()) { |
| String beanName = resolver.getBeanName(clazz, context, compilationContext.context()); |
| if (beanName != null) { |
| return beanName; |
| } |
| } |
| return null; |
| } |
| }); |
| } |
| |
| public static List<ELVariableResolver.VariableInfo> getManagedBeans( |
| final CompilationContext compilationContext, |
| final FileObject context) { |
| |
| return (List<ELVariableResolver.VariableInfo>) compilationContext.cache().getOrCache( |
| CompilationCache.createKey(context), |
| new CompilationCache.ValueProvider<List<ELVariableResolver.VariableInfo>>() { |
| |
| @Override |
| public List<ELVariableResolver.VariableInfo> get() { |
| List<ELVariableResolver.VariableInfo> result = new ArrayList<>(); |
| for (ELVariableResolver resolver : getResolvers()) { |
| result.addAll(resolver.getManagedBeans(context, compilationContext.context())); |
| } |
| return result; |
| } |
| }); |
| |
| } |
| |
| public static List<ELVariableResolver.VariableInfo> getVariables( |
| final CompilationContext compilationContext, |
| final Snapshot snapshot, |
| final int offset) { |
| |
| return (List<ELVariableResolver.VariableInfo>) compilationContext.cache().getOrCache( |
| CompilationCache.createKey(snapshot, offset), |
| new CompilationCache.ValueProvider<List<ELVariableResolver.VariableInfo>>() { |
| |
| @Override |
| public List<ELVariableResolver.VariableInfo> get() { |
| List<ELVariableResolver.VariableInfo> result = new ArrayList<>(); |
| for (ELVariableResolver resolver : getResolvers()) { |
| result.addAll(resolver.getVariables(snapshot, offset, compilationContext.context())); |
| } |
| return result; |
| } |
| }); |
| |
| } |
| |
| public static List<ELVariableResolver.VariableInfo> getBeansInScope( |
| final CompilationContext compilationContext, |
| final String scope, |
| final Snapshot context) { |
| |
| return (List<ELVariableResolver.VariableInfo>) compilationContext.cache().getOrCache( |
| CompilationCache.createKey(scope, context), |
| new CompilationCache.ValueProvider<List<ELVariableResolver.VariableInfo>>() { |
| |
| @Override |
| public List<ELVariableResolver.VariableInfo> get() { |
| List<ELVariableResolver.VariableInfo> result = new ArrayList<>(); |
| for (ELVariableResolver resolver : getResolvers()) { |
| result.addAll(resolver.getBeansInScope(scope, context, compilationContext.context())); |
| } |
| return result; |
| } |
| }); |
| |
| } |
| |
| public static List<ELVariableResolver.VariableInfo> getRawObjectProperties( |
| final CompilationContext compilationContext, |
| final String name, |
| final Snapshot context) { |
| |
| return (List<ELVariableResolver.VariableInfo>) compilationContext.cache().getOrCache( |
| CompilationCache.createKey(name, context), |
| new CompilationCache.ValueProvider<List<ELVariableResolver.VariableInfo>>() { |
| |
| @Override |
| public List<ELVariableResolver.VariableInfo> get() { |
| List<ELVariableResolver.VariableInfo> result = new ArrayList<>(); |
| for (ELVariableResolver resolver : getResolvers()) { |
| result.addAll(resolver.getRawObjectProperties(name, context, compilationContext.context())); |
| } |
| return result; |
| } |
| }); |
| |
| |
| } |
| |
| private static Collection<? extends ELVariableResolver> getResolvers() { |
| return Lookup.getDefault().lookupAll(ELVariableResolver.class); |
| } |
| } |