/*
 * Copyright 2013 Google Inc. All Rights Reserved.
 *
 * 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 com.google.errorprone.matchers;

import static com.google.errorprone.matchers.MultiMatcher.MatchType.ALL;
import static com.google.errorprone.matchers.MultiMatcher.MatchType.ANY;

import com.google.errorprone.VisitorState;

import com.sun.source.tree.AnnotationTree;
import com.sun.source.tree.ClassTree;
import com.sun.source.tree.CompilationUnitTree;
import com.sun.source.tree.MethodTree;
import com.sun.source.tree.Tree;
import com.sun.source.tree.VariableTree;

import java.util.List;

/**
 * Matches if the given annotation matcher matches all of or any of the annotations on the tree
 * node.
 *
 * @author eaftan@google.com (Eddie Aftandilian)
 */
public class Annotation<T extends Tree> extends MultiMatcher<T, AnnotationTree> {

  public Annotation(MatchType matchType, Matcher<AnnotationTree> nodeMatcher) {
    super(matchType, nodeMatcher);
  }

  @Override
  public boolean matches(T tree, VisitorState state) {

    List<? extends AnnotationTree> annotations;
    switch (tree.getKind()) {
      case CLASS:
        annotations = ((ClassTree) tree).getModifiers().getAnnotations();
        break;
      case VARIABLE:
        annotations = ((VariableTree) tree).getModifiers().getAnnotations();
        break;
      case METHOD:
        annotations = ((MethodTree) tree).getModifiers().getAnnotations();
        break;
      case COMPILATION_UNIT:
        annotations = ((CompilationUnitTree) tree).getPackageAnnotations();
        break;
      default:
        throw new IllegalArgumentException("Cannot access annotations from tree of kind "
            + tree.getKind());
    }

    for (AnnotationTree annotation : annotations) {
      boolean matches = nodeMatcher.matches(annotation, state);
      if (matchType == ANY && matches) {
        matchingNode = annotation;
        return true;
      }
      if (matchType == ALL && !matches) {
        return false;
      }
    }
    return matchType == ALL && annotations.size() >= 1;
  }
}

@@ -1544,17 +1544,16 @@
 tate) %7B%0A
-%0A
     List
@@ -1600,54 +1600,41 @@
     
-switch (tree.getKind()) %7B%0A      case CLASS:%0A  
+if (tree instanceof ClassTree) %7B%0A
     
@@ -1709,42 +1709,51 @@
     
-    break;%0A      case VARIABLE:%0A  
+%7D else if (tree instanceof VariableTree) %7B%0A
     
@@ -1831,40 +1831,49 @@
     
-    break;%0A      case METHOD:%0A  
+%7D else if (tree instanceof MethodTree) %7B%0A
     
@@ -1949,50 +1949,58 @@
     
-    break;%0A      case COMPILATION_UNIT:%0A  
+%7D else if (tree instanceof CompilationUnitTree) %7B%0A
     
@@ -2077,36 +2077,17 @@
     
-    break;%0A      default:%0A  
+%7D else %7B%0A
     
@@ -2167,17 +2167,15 @@
  of 
-kind
+type
  %22%0A
-  
     
@@ -2194,12 +2194,13 @@
 .get
-Kind
+Class
 ());

Fix javac7 test failure