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• AbstractXmlEncoder.java

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org.n52.svalbard.encode.AbstractXmlEncoder Maven / Gradle / Ivy

/*
 * Copyright 2015-2020 52°North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * 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.n52.svalbard.encode;

import java.util.function.Supplier;

import javax.inject.Inject;

import org.apache.xmlbeans.XmlObject;
import org.apache.xmlbeans.XmlOptions;
import org.n52.janmayen.http.MediaType;
import org.n52.janmayen.http.MediaTypes;
import org.n52.svalbard.encode.exception.EncodingException;
import org.n52.svalbard.encode.exception.NoEncoderForKeyException;
import org.n52.svalbard.util.XmlHelper;

/**
 *
 * @since 1.0.0
 *
 * @param  the resulting type, the "Target"
 * @param  the input type, the "Source"
 */
public abstract class AbstractXmlEncoder extends AbstractDelegatingEncoder
        implements SchemaAwareEncoder {

    private Supplier xmlOptions;

    public XmlOptions getXmlOptions() {
        return xmlOptions.get();
    }

    @Inject
    public void setXmlOptions(Supplier xmlOptions) {
        this.xmlOptions = xmlOptions;
    }

    @Override
    public T encode(S element) throws EncodingException {
        return encode(element, EncodingContext.empty());
    }

    @Override
    public MediaType getContentType() {
        return MediaTypes.TEXT_XML;
    }

    protected XmlObject substitute(XmlObject elementToSubstitute, XmlObject substitutionElement) {
        XmlObject substituteElement = XmlHelper.substituteElement(elementToSubstitute, substitutionElement);
        substituteElement.set(substitutionElement);
        return substituteElement;
    }

    public  Encoder getEncoder(String namespace, T o) throws EncodingException {
        return getAndCheck(getEncoderKey(namespace, o));
    }

    public  Encoder getEncoder(String namespace, Class o) throws EncodingException {
        return getAndCheck(getEncoderKey(namespace, o));
    }

    public  Encoder getDocumentEncoder(String namespace, T o) throws EncodingException {
        return getAndCheck(getDocumentEncoderKey(namespace, o));
    }

    public  Encoder getDocumentEncoder(String namespace, Class o)
            throws EncodingException {
        return getAndCheck(getDocumentEncoderKey(namespace, o));
    }

    public  Encoder getPropertyTypeEncoder(String namespace, T o) throws EncodingException {
        return getAndCheck(getPropertyTypeEncoderKey(namespace, o));
    }

    public  Encoder getPropertyTypeEncoder(String namespace, Class o)
            throws EncodingException {
        return getAndCheck(getPropertyTypeEncoderKey(namespace, o));
    }

    public  Encoder getAndCheck(EncoderKey key) throws NoEncoderForKeyException {
        Encoder encoder = getEncoder(key);
        if (encoder == null) {
            throw new NoEncoderForKeyException(key);
        }
        return encoder;
    }

    public  XmlObject encodeObjectToXml(String namespace, T object, EncodingContext helperValues)
            throws EncodingException {
        return getEncoder(namespace, object).encode(object,
                helperValues == null ? EncodingContext.empty() : helperValues);
    }

    public XmlObject encodeObjectToXml(String namespace, Object object) throws EncodingException {
        return encodeObjectToXml(namespace, object, null);
    }

    public String encodeObjectToXmlText(String namespace, Object object, EncodingContext helperValues)
            throws EncodingException {
        return encodeObjectToXml(namespace, object, helperValues).xmlText(getXmlOptions());
    }

    public String encodeObjectToXmlText(String namespace, Object object) throws EncodingException {
        return encodeObjectToXmlText(namespace, object, null);
    }

    public  XmlObject encodeObjectToXmlDocument(String namespace, T object, EncodingContext helperValues)
            throws EncodingException {
        return getDocumentEncoder(namespace, object).encode(object,
                helperValues == null ? EncodingContext.empty() : helperValues);
    }

    public XmlObject encodeObjectToXmlDocument(String namespace, Object object) throws EncodingException {
        return encodeObjectToXmlDocument(namespace, object, null);
    }

    public  XmlObject encodeObjectToXmlPropertyType(String namespace, T object, EncodingContext helperValues)
            throws EncodingException {
        return getPropertyTypeEncoder(namespace, object).encode(object,
                helperValues == null ? EncodingContext.empty() : helperValues);
    }

    public XmlObject encodeObjectToXmlPropertyType(String namespace, Object object) throws EncodingException {
        return encodeObjectToXmlPropertyType(namespace, object, null);
    }

    public EncoderKey getEncoderKey(String namespace, Object o) {
        return new XmlEncoderKey(namespace, o.getClass());
    }

    public EncoderKey getEncoderKey(String namespace, Class o) {
        return new XmlEncoderKey(namespace, o);
    }

    public EncoderKey getDocumentEncoderKey(String namespace, Object o) {
        return new XmlDocumentEncoderKey(namespace, o.getClass());
    }

    public EncoderKey getDocumentEncoderKey(String namespace, Class o) {
        return new XmlDocumentEncoderKey(namespace, o);
    }

    public EncoderKey getPropertyTypeEncoderKey(String namespace, Object o) {
        return new XmlPropertyTypeEncoderKey(namespace, o.getClass());
    }

    public EncoderKey getPropertyTypeEncoderKey(String namespace, Class o) {
        return new XmlPropertyTypeEncoderKey(namespace, o);
    }

}