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Add pointcut for filtering by constructors
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68 changes: 68 additions & 0 deletions
68
...roovy.eclipse.dsl/src/org/codehaus/groovy/eclipse/dsl/pointcuts/impl/FindASTPointcut.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| /* | ||
| * Copyright 2009-2019 the original author or authors. | ||
| * | ||
| * 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 org.codehaus.groovy.eclipse.dsl.pointcuts.impl; | ||
|
|
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| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.Objects; | ||
| import java.util.function.Function; | ||
|
|
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| import org.codehaus.groovy.ast.ASTNode; | ||
| import org.codehaus.groovy.ast.ClassNode; | ||
| import org.codehaus.groovy.eclipse.dsl.pointcuts.GroovyDSLDContext; | ||
| import org.eclipse.core.resources.IStorage; | ||
| import org.eclipse.jdt.groovy.core.util.GroovyUtils; | ||
|
|
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| public abstract class FindASTPointcut<T extends ASTNode> extends FilteringPointcut<T> { | ||
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| private final Function<ClassNode, ? extends Collection<T>> exploder; | ||
| private final Function<T, String> stringify; | ||
|
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| public FindASTPointcut(IStorage containerIdentifier, String pointcutName, Class<T> filterBy, | ||
| Function<ClassNode, ? extends Collection<T>> exploder, Function<T, String> stringify) { | ||
| super(containerIdentifier, pointcutName, filterBy); | ||
| this.exploder = Objects.requireNonNull(exploder); | ||
| this.stringify = Objects.requireNonNull(stringify); | ||
| } | ||
|
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| @Override | ||
| protected final Collection<T> explodeObject(Object object) { | ||
| Collection<T> result = new ArrayList<>(); | ||
| explodeObject(object, result); | ||
| return result; | ||
| } | ||
|
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| protected void explodeObject(Object object, Collection<T> result) { | ||
| if (filterBy.isInstance(object)) { | ||
| @SuppressWarnings("unchecked") | ||
| T node = (T) object; | ||
| result.add(node); | ||
| } else if (object instanceof ClassNode) { | ||
| result.addAll(exploder.apply( | ||
| GroovyUtils.getWrapperTypeIfPrimitive((ClassNode) object))); | ||
| } else if (object instanceof Collection) { | ||
| ((Collection<?>) object).forEach(item -> explodeObject(item, result)); | ||
| } | ||
| } | ||
|
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| @Override | ||
| protected T filterObject(T result, GroovyDSLDContext context, String firstArgAsString) { | ||
| if (firstArgAsString == null || firstArgAsString.equals(stringify.apply(result))) { | ||
| return result; | ||
| } | ||
| return null; | ||
| } | ||
| } |
56 changes: 56 additions & 0 deletions
56
...oovy.eclipse.dsl/src/org/codehaus/groovy/eclipse/dsl/pointcuts/impl/FindCtorPointcut.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * Copyright 2009-2019 the original author or authors. | ||
| * | ||
| * 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 org.codehaus.groovy.eclipse.dsl.pointcuts.impl; | ||
|
|
||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
|
|
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| import org.codehaus.groovy.ast.ClassNode; | ||
| import org.codehaus.groovy.ast.ConstructorNode; | ||
| import org.eclipse.core.resources.IStorage; | ||
| import org.eclipse.jdt.groovy.core.util.GroovyUtils; | ||
|
|
||
| /** | ||
| * Matches if the input has a constructor with the supplied characteristics -- | ||
| * either a signature (comma-separated simple type names) or another pointcut | ||
| * like {@code hasAnnotation}. | ||
| */ | ||
| public class FindCtorPointcut extends FindASTPointcut<ConstructorNode> { | ||
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| public FindCtorPointcut(IStorage containerIdentifier, String pointcutName) { | ||
| super(containerIdentifier, pointcutName, ConstructorNode.class, ClassNode::getDeclaredConstructors, ctor -> { | ||
| List<ClassNode> paramTypes = GroovyUtils.getParameterTypes(ctor.getParameters()); | ||
| return paramTypes.stream().map(FindCtorPointcut::getSimpleTypeName) | ||
| .map(name -> name.substring(name.lastIndexOf('$') + 1)) | ||
| .collect(Collectors.joining(",")); | ||
| }); | ||
| } | ||
|
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| private static String getSimpleTypeName(ClassNode type) { | ||
| int dims = 0; | ||
| while (type.isArray()) { | ||
| dims += 1; | ||
| type = type.getComponentType(); | ||
| } | ||
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| String name = type.getNameWithoutPackage(); | ||
| while (dims > 0) { | ||
| name += "[]"; | ||
| dims -= 1; | ||
| } | ||
| return name; | ||
| } | ||
| } |
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