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authorReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
committerReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
commit1a0e611a9c5e1ee518670647ce1a44beae559b44 (patch)
treee5ef8f671bc6688f486e874d4e2e1a7813e4f0b2 /src/core/lombok/eclipse/EclipseAnnotationHandler.java
parent7fd947ea40c25dad9ee543ebc4b92de9a2e05efc (diff)
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Refactored the source folders.
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+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok.eclipse;
+
+import lombok.core.AnnotationValues;
+
+/**
+ * Implement this interface if you want to be triggered for a specific annotation.
+ *
+ * You MUST replace 'T' with a specific annotation type, such as:
+ *
+ * {@code public class HandleGetter implements EclipseAnnotationHandler<Getter>}
+ *
+ * Because this generics parameter is inspected to figure out which class you're interested in.
+ *
+ * You also need to register yourself via SPI discovery as being an implementation of {@code EclipseAnnotationHandler}.
+ */
+public interface EclipseAnnotationHandler<T extends java.lang.annotation.Annotation> {
+ /**
+ * Called when an annotation is found that is likely to match the annotation you're interested in.
+ *
+ * Be aware that you'll be called for ANY annotation node in the source that looks like a match. There is,
+ * for example, no guarantee that the annotation node belongs to a method, even if you set your
+ * TargetType in the annotation to methods only.
+ *
+ * @param annotation The actual annotation - use this object to retrieve the annotation parameters.
+ * @param ast The Eclipse AST node representing the annotation.
+ * @param annotationNode The Lombok AST wrapper around the 'ast' parameter. You can use this object
+ * to travel back up the chain (something javac AST can't do) to the parent of the annotation, as well
+ * as access useful methods such as generating warnings or errors focused on the annotation.
+ * @return {@code true} if you don't want to be called again about this annotation during this
+ * compile session (you've handled it), or {@code false} to indicate you aren't done yet.
+ */
+ boolean handle(AnnotationValues<T> annotation, org.eclipse.jdt.internal.compiler.ast.Annotation ast, EclipseNode annotationNode);
+}