com.sun.xml.bind.v2.model.impl.GetterSetterPropertySeed Maven / Gradle / Ivy

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This module contains the Metro runtime code.

There is a newer version: 4.0.4

/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.bind.v2.model.impl;

import java.lang.annotation.Annotation;
import java.beans.Introspector;

import com.sun.xml.bind.v2.model.annotation.Locatable;
import com.sun.xml.bind.v2.model.core.PropertyInfo;
import com.sun.xml.bind.v2.runtime.Location;

/**
 * {@link PropertyInfo} implementation backed by a getter and a setter.
 *
 * We allow the getter or setter to be null, in which case the bean
 * can only participate in unmarshalling (or marshalling)
 */
class GetterSetterPropertySeed implements
        PropertySeed {

    protected final MethodT getter;
    protected final MethodT setter;
    private ClassInfoImpl parent;

    GetterSetterPropertySeed(ClassInfoImpl parent, MethodT getter, MethodT setter) {
        this.parent = parent;
        this.getter = getter;
        this.setter = setter;

        if(getter==null && setter==null)
            throw new IllegalArgumentException();
    }

    public TypeT getRawType() {
        if(getter!=null)
            return parent.nav().getReturnType(getter);
        else
            return parent.nav().getMethodParameters(setter)[0];
    }

    public  A readAnnotation(Class annotation) {
        return parent.reader().getMethodAnnotation(annotation, getter,setter,this);
    }

    public boolean hasAnnotation(Class annotationType) {
        return parent.reader().hasMethodAnnotation(annotationType,getName(),getter,setter,this);
    }

    public String getName() {
        if(getter!=null)
            return getName(getter);
        else
            return getName(setter);
    }

    private String getName(MethodT m) {
        String seed = parent.nav().getMethodName(m);
        String lseed = seed.toLowerCase();
        if(lseed.startsWith("get") || lseed.startsWith("set"))
            return camelize(seed.substring(3));
        if(lseed.startsWith("is"))
            return camelize(seed.substring(2));
        return seed;
    }


    private static String camelize(String s) {
        return Introspector.decapitalize(s);
    }

    /**
     * Use the enclosing class as the upsream {@link Location}.
     */
    public Locatable getUpstream() {
        return parent;
    }

    public Location getLocation() {
        if(getter!=null)
            return parent.nav().getMethodLocation(getter);
        else
            return parent.nav().getMethodLocation(setter);
    }
}

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