io.sundr.codegen.model.AnnotationRef Maven / Gradle / Ivy

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/*
 *      Copyright 2016 The original authors.
 *
 *      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 io.sundr.codegen.model;

import java.util.Collection;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

public class AnnotationRef extends AttributeSupport {

    private final ClassRef classRef;
    private final Map parameters;

    public AnnotationRef(ClassRef classRef, Map parameters, Map attributes) {
        super(attributes);
        this.classRef = classRef;
        this.parameters = parameters;
    }

    public ClassRef getClassRef() {
        return classRef;
    }

    public Map getParameters() {
        return parameters;
    }

    public Set getReferences() {
       Set result = new HashSet<>();
       result.add(classRef);

       for (Object o : parameters.values()) {
           if (o instanceof ClassRef) {
               result.add((ClassRef) o);
           } else if (o instanceof AnnotationRef)  {
               result.addAll(((AnnotationRef) o).getReferences());
           } else if (o instanceof Collection)  {
               for (Object i : (Collection)o) {
                   if (i instanceof ClassRef) {
                       result.addAll(((ClassRef)i).getReferences());
                   } else if (i instanceof AnnotationRef) {
                       result.addAll(((AnnotationRef)i).getReferences());
                   }
               }
           }
       }
       return result;
    }

    private static String toString(Object value) {
        if  (value instanceof Collection) {
            return OB + ((Collection)value).stream().map(AnnotationRef::toString).collect(Collectors.joining(",")) + CB;
        } else if  (value instanceof PrimitiveRef) {
            return String.valueOf(value);
        } else if (value instanceof ClassRef) {
            return ((ClassRef) value).getFullyQualifiedName() + ".class";
        } else if (value instanceof AnnotationRef) {
            return value.toString();
        } else {
            return DQ + value + DQ;
        }
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        AnnotationRef that = (AnnotationRef) o;

        if (!classRef.equals(that.classRef)) return false;

        return true;
    }

    @Override
    public int hashCode() {
        return classRef.hashCode();
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(AT).append(classRef.toString());

        if (parameters != null && parameters.size() > 0) {
            sb.append(OP);
            boolean first = true;

            for (Map.Entry entry : parameters.entrySet()) {
                Object value = entry.getValue();
                if (first) {
                    first = false;
                } else {
                    sb.append(SPACE).append(COMA);
                }
                sb.append(entry.getKey()).append(SPACE).append(EQ).append(SPACE).append(toString(value));
            }
            sb.append(CP);
        }
        return sb.toString();
    }
}