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Jtwig jtwig-reflection

There is a newer version: 5.87.0.RELEASE

package org.jtwig.reflection.model.java;

import com.google.common.base.Optional;

import java.util.Collection;
import java.util.Collections;
import java.util.Map;

public class JavaClass {
    private final Class nativeType;
    private final Map constants;
    private final Map fields;
    private final Map methodsByName;

    public JavaClass(Class nativeType, Map constants, Map fields, Map methodsByName) {
        this.nativeType = nativeType;
        this.constants = constants;
        this.fields = fields;
        this.methodsByName = methodsByName;
    }

    public Optional constant (String name) {
        return Optional.fromNullable(constants.get(name));
    }

    public Collection constants () {
        return constants.values();
    }

    public Optional field (String name) {
        return Optional.fromNullable(fields.get(name));
    }

    public Collection fields () {
        return fields.values();
    }

    public JavaMethods method (String name) {
        return Optional.fromNullable(methodsByName.get(name))
                .or(new JavaMethods(Collections.emptyMap()));
    }


    public void merge (JavaClass origin) {
        for (Map.Entry entry : origin.methodsByName.entrySet()) {
            if (methodsByName.containsKey(entry.getKey())) {
                methodsByName.get(entry.getKey()).merge(origin.methodsByName.get(entry.getKey()));
            } else {
                methodsByName.put(entry.getKey(), entry.getValue());
            }
        }

        for (Map.Entry entry : origin.fields.entrySet()) {
            if (!fields.containsKey(entry.getKey())) {
                fields.put(entry.getKey(), entry.getValue());
            }
        }

        for (Map.Entry entry : constants.entrySet()) {
            if (!constants.containsKey(entry.getKey())) {
                constants.put(entry.getKey(), entry.getValue());
            }
        }
    }

    public Class getNative() {
        return nativeType;
    }
}