java/java-psi-api/src/com/intellij/patterns/PsiModifierListOwnerPattern.java

/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * 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.intellij.patterns;

import com.intellij.openapi.util.Condition;
import com.intellij.psi.PsiModifierList;
import com.intellij.psi.PsiModifierListOwner;
import com.intellij.util.ProcessingContext;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.codeInsight.AnnotationUtil;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;

/**
 * @author peter
 */
public class PsiModifierListOwnerPattern<T extends PsiModifierListOwner, Self extends PsiModifierListOwnerPattern<T,Self>> extends PsiElementPattern<T,Self> {
  public PsiModifierListOwnerPattern(@NotNull final InitialPatternCondition<T> condition) {
    super(condition);
  }

  protected PsiModifierListOwnerPattern(final Class<T> aClass) {
    super(aClass);
  }

  public Self withModifiers(final String... modifiers) {
    return with(new PatternCondition<T>("withModifiers") {
      public boolean accepts(@NotNull final T t, final ProcessingContext context) {
        return ContainerUtil.and(modifiers, new Condition<String>() {
          public boolean value(final String s) {
            return t.hasModifierProperty(s);
          }
        });
      }
    });
  }

  public Self withoutModifiers(final String... modifiers) {
    return with(new PatternCondition<T>("withoutModifiers") {
      public boolean accepts(@NotNull final T t, final ProcessingContext context) {
        return ContainerUtil.and(modifiers, new Condition<String>() {
          public boolean value(final String s) {
            return !t.hasModifierProperty(s);
          }
        });
      }
    });
  }

  public Self withAnnotation(@NonNls final String qualifiedName) {
    return with(new PatternCondition<T>("withAnnotation") {
      public boolean accepts(@NotNull final T t, final ProcessingContext context) {
        final PsiModifierList modifierList = t.getModifierList();
        return modifierList != null && modifierList.findAnnotation(qualifiedName) != null;
      }
    });
  }

  public Self withAnnotations(@NonNls final String... qualifiedNames) {
    return with(new PatternCondition<T>("withAnnotations") {
      public boolean accepts(@NotNull final T t, final ProcessingContext context) {
        return AnnotationUtil.findAnnotation(t, qualifiedNames) != null;
      }
    });
  }

  public static class Capture<T extends PsiModifierListOwner> extends PsiModifierListOwnerPattern<T, Capture<T>> {
    public Capture(@NotNull InitialPatternCondition<T> condition) {
      super(condition);
    }
  }
}