001/*
002 * Copyright 2010-2013 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.jetbrains.jet.lang.resolve.java.kt;
018
019import com.intellij.psi.PsiAnnotation;
020import com.intellij.psi.PsiParameter;
021import org.jetbrains.annotations.NotNull;
022import org.jetbrains.annotations.Nullable;
023import org.jetbrains.jet.lang.resolve.java.JvmStdlibNames;
024import org.jetbrains.jet.lang.resolve.java.resolver.JavaAnnotationResolver;
025
026public class JetValueParameterAnnotation extends PsiAnnotationWrapper {
027    private static final JetValueParameterAnnotation NULL_ANNOTATION = new JetValueParameterAnnotation(null);
028    static {
029        NULL_ANNOTATION.checkInitialized();
030    }
031
032    private String name;
033    private String type;
034    private boolean receiver;
035    private boolean hasDefaultValue;
036    private boolean vararg;
037
038    private JetValueParameterAnnotation(@Nullable PsiAnnotation psiAnnotation) {
039        super(psiAnnotation);
040    }
041
042    @Override
043    protected void initialize() {
044        name = getStringAttribute(JvmStdlibNames.JET_VALUE_PARAMETER_NAME_FIELD, "");
045        type = getStringAttribute(JvmStdlibNames.JET_VALUE_PARAMETER_TYPE_FIELD, "");
046        receiver = getBooleanAttribute(JvmStdlibNames.JET_VALUE_PARAMETER_RECEIVER_FIELD, false);
047        hasDefaultValue = getBooleanAttribute(JvmStdlibNames.JET_VALUE_PARAMETER_HAS_DEFAULT_VALUE_FIELD, false);
048        vararg = getBooleanAttribute(JvmStdlibNames.JET_VALUE_PARAMETER_VARARG, false);
049    }
050
051    @NotNull
052    public String name() {
053        checkInitialized();
054        return name;
055    }
056
057    @NotNull
058    public String type() {
059        checkInitialized();
060        return type;
061    }
062
063    public boolean receiver() {
064        checkInitialized();
065        return receiver;
066    }
067    
068    public boolean hasDefaultValue() {
069        checkInitialized();
070        return hasDefaultValue;
071    }
072
073    public boolean vararg() {
074        checkInitialized();
075        return vararg;
076    }
077
078    public static JetValueParameterAnnotation get(PsiParameter psiParameter) {
079        PsiAnnotation annotation =
080                JavaAnnotationResolver.findOwnAnnotation(psiParameter, JvmStdlibNames.JET_VALUE_PARAMETER.getFqName().asString());
081        return annotation != null ? new JetValueParameterAnnotation(annotation) : NULL_ANNOTATION;
082    }
083}