org.jlib.basefunctions.apachecommons.service.ApacheCommonsBaseFunctionsDispatcher.java Source code

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Here is the source code for org.jlib.basefunctions.apachecommons.service.ApacheCommonsBaseFunctionsDispatcher.java

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/*
 * jlib - Open Source Java Library
 *
 *     www.jlib.org
 *
 *
 *     Copyright 2005-2015 Igor Akkerman
 *
 *     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 org.jlib.basefunctions.apachecommons.service;

import java.util.Optional;

import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;

import org.jlib.basefunctions.BaseFunctionsDispatcher;
import org.jlib.basefunctions.Equals;
import org.jlib.basefunctions.EqualsEngine;
import org.jlib.basefunctions.HashCode;
import org.jlib.basefunctions.HashCodeEngine;
import org.jlib.basefunctions.ToString;
import org.jlib.basefunctions.ToStringEngine;
import org.jlib.basefunctions.apachecommons.equals.ApacheCommonsEqualsEngine;
import org.jlib.basefunctions.apachecommons.hashcode.ApacheCommonsHashCodeEngine;
import org.jlib.basefunctions.apachecommons.tostring.ApacheCommonsToStringEngine;
import org.jlib.basefunctions.apachecommons.tostring.DefaultToStringStylesConfiguration;
import static org.jlib.basefunctions.apachecommons.tostring.DefaultToStringStylesConfiguration.TO_STRING_STYLE_NAME_PROPERTY_NAME;
import org.jlib.basefunctions.apachecommons.tostring.IdentifierOrClassNameToStringStyleSupplier;
import org.jlib.systemproperty.SystemPropertyUtility;

public class ApacheCommonsBaseFunctionsDispatcher implements BaseFunctionsDispatcher {

    private ToStringStyle toStringStyle;

    public ApacheCommonsBaseFunctionsDispatcher() {
        final Optional<String> optionalIdentifierOrClassName = SystemPropertyUtility
                .getOptionalProperty(TO_STRING_STYLE_NAME_PROPERTY_NAME);

        if (!optionalIdentifierOrClassName.isPresent()) {
            toStringStyle = DefaultToStringStylesConfiguration.DEFAULT_TO_STRING_STYLE;
            return;
        }

        final IdentifierOrClassNameToStringStyleSupplier toStringStyleSupplier = new IdentifierOrClassNameToStringStyleSupplier();
        toStringStyleSupplier.setNamedStyleSupplier(DefaultToStringStylesConfiguration.NAMED_STYLE_SUPPLIER);
        toStringStyleSupplier
                .setClassNameToStringStyleSupplier(DefaultToStringStylesConfiguration.CLASS_NAME_STYLE_SUPPLIER);
        toStringStyleSupplier.setIdentifierOrClassName(optionalIdentifierOrClassName.get());

        toStringStyle = toStringStyleSupplier.get();
    }

    @Override
    public <Obj> Equals<Obj> genericEquals() {
        return EqualsBuilder::reflectionEquals;
    }

    @Override
    public <Obj> Equals<Obj> genericEquals(final String... excludedFields) {
        return (object1, object2) -> EqualsBuilder.reflectionEquals(object1, object2, excludedFields);
    }

    @Override
    public <Obj> EqualsEngine<Obj> equalsEngine(final Obj thiz, final Object other) {
        return new ApacheCommonsEqualsEngine<>(other);
    }

    @Override
    public <Obj> HashCode<Obj> genericHashCode() {
        return HashCodeBuilder::reflectionHashCode;
    }

    @Override
    public <Obj> HashCode<Obj> genericHashCode(final String... excludedFields) {
        return object -> HashCodeBuilder.reflectionHashCode(object, excludedFields);
    }

    @Override
    public <Obj> HashCodeEngine<Obj> hashCodeEngine(final Obj object) {
        return new ApacheCommonsHashCodeEngine<>();
    }

    @Override
    public <Obj> ToString<Obj> genericToString() {
        return object -> ToStringBuilder.reflectionToString(object, toStringStyle);
    }

    @Override
    public <Obj> ToStringEngine<Obj> toStringEngine(final Obj object) {
        return new ApacheCommonsToStringEngine<>(object, toStringStyle);
    }

    public void setToStringStyle(final ToStringStyle toStringStyle) {
        this.toStringStyle = toStringStyle;
    }
}