langtools/src/jdk.javadoc/share/classes/com/sun/tools/javadoc/main/AnnotationDescImpl.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/jdk.javadoc/share/classes/com/sun/tools/javadoc/main/AnnotationDescImpl.java Mon May 09 16:52:15 2016 -0700
@@ -0,0 +1,177 @@
+/*
+ * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.tools.javadoc.main;
+
+import com.sun.javadoc.*;
+
+import com.sun.tools.javac.code.Attribute;
+import com.sun.tools.javac.code.Symbol.*;
+import com.sun.tools.javac.util.List;
+import com.sun.tools.javac.util.Pair;
+
+
+/**
+ * Represents an annotation.
+ * An annotation associates a value with each element of an annotation type.
+ * Sure it ought to be called "Annotation", but that clashes with
+ * java.lang.annotation.Annotation.
+ *
+ * <p><b>This is NOT part of any supported API.
+ * If you write code that depends on this, you do so at your own risk.
+ * This code and its internal interfaces are subject to change or
+ * deletion without notice.</b>
+ *
+ * @author Scott Seligman
+ * @since 1.5
+ */
+
+public class AnnotationDescImpl implements AnnotationDesc {
+
+ private final DocEnv env;
+ private final Attribute.Compound annotation;
+
+
+ AnnotationDescImpl(DocEnv env, Attribute.Compound annotation) {
+ this.env = env;
+ this.annotation = annotation;
+ }
+
+ /**
+ * Returns the annotation type of this annotation.
+ */
+ public AnnotationTypeDoc annotationType() {
+ ClassSymbol atsym = (ClassSymbol)annotation.type.tsym;
+ if (annotation.type.isErroneous()) {
+ env.warning(null, "javadoc.class_not_found", annotation.type.toString());
+ return new AnnotationTypeDocImpl(env, atsym);
+ } else {
+ return (AnnotationTypeDoc)env.getClassDoc(atsym);
+ }
+ }
+
+ /**
+ * Returns this annotation's elements and their values.
+ * Only those explicitly present in the annotation are
+ * included, not those assuming their default values.
+ * Returns an empty array if there are none.
+ */
+ public ElementValuePair[] elementValues() {
+ List<Pair<MethodSymbol,Attribute>> vals = annotation.values;
+ ElementValuePair res[] = new ElementValuePair[vals.length()];
+ int i = 0;
+ for (Pair<MethodSymbol,Attribute> val : vals) {
+ res[i++] = new ElementValuePairImpl(env, val.fst, val.snd);
+ }
+ return res;
+ }
+
+ /**
+ * Check for the synthesized bit on the annotation.
+ *
+ * @return true if the annotation is synthesized.
+ */
+ public boolean isSynthesized() {
+ return annotation.isSynthesized();
+ }
+
+ /**
+ * Returns a string representation of this annotation.
+ * String is of one of the forms:
+ * <pre>
+ * {@code @com.example.foo(name1=val1, name2=val2)}
+ * {@code @com.example.foo(val)}
+ * {@code @com.example.foo}
+ * </pre>
+ * Omit parens for marker annotations, and omit "value=" when allowed.
+ */
+ @Override
+ public String toString() {
+ StringBuilder sb = new StringBuilder("@");
+ sb.append(annotation.type.tsym);
+
+ ElementValuePair vals[] = elementValues();
+ if (vals.length > 0) { // omit parens for marker annotation
+ sb.append('(');
+ boolean first = true;
+ for (ElementValuePair val : vals) {
+ if (!first) {
+ sb.append(", ");
+ }
+ first = false;
+
+ String name = val.element().name();
+ if (vals.length == 1 && name.equals("value")) {
+ sb.append(val.value());
+ } else {
+ sb.append(val);
+ }
+ }
+ sb.append(')');
+ }
+ return sb.toString();
+ }
+
+
+ /**
+ * Represents an association between an annotation type element
+ * and one of its values.
+ */
+ public static class ElementValuePairImpl implements ElementValuePair {
+
+ private final DocEnv env;
+ private final MethodSymbol meth;
+ private final Attribute value;
+
+ ElementValuePairImpl(DocEnv env, MethodSymbol meth, Attribute value) {
+ this.env = env;
+ this.meth = meth;
+ this.value = value;
+ }
+
+ /**
+ * Returns the annotation type element.
+ */
+ public AnnotationTypeElementDoc element() {
+ return env.getAnnotationTypeElementDoc(meth);
+ }
+
+ /**
+ * Returns the value associated with the annotation type element.
+ */
+ public AnnotationValue value() {
+ return new AnnotationValueImpl(env, value);
+ }
+
+ /**
+ * Returns a string representation of this pair
+ * of the form "name=value".
+ */
+ @Override
+ public String toString() {
+ return meth.name + "=" + value();
+ }
+ }
+}