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• XMLBinaryDataHelper.java

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org.eclipse.persistence.internal.oxm.XMLBinaryDataHelper Maven / Gradle / Ivy

/*
 * Copyright (c) 1998, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.internal.oxm;

import java.awt.Component;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.activation.DataHandler;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriter;
import javax.mail.internet.ContentType;
import javax.mail.internet.MimeMultipart;
import javax.xml.namespace.QName;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import org.eclipse.persistence.exceptions.ConversionException;
import org.eclipse.persistence.exceptions.XMLMarshalException;
import org.eclipse.persistence.internal.core.helper.CoreClassConstants;
import org.eclipse.persistence.internal.core.queries.CoreContainerPolicy;
import org.eclipse.persistence.internal.core.sessions.CoreAbstractSession;

public class XMLBinaryDataHelper {
    protected static XMLBinaryDataHelper binaryDataHelper;
    public Class DATA_HANDLER;
    public Class IMAGE;
    public Class SOURCE;
    public Class MULTIPART;

    public XMLBinaryDataHelper() {
        if (DATA_HANDLER == null) {
            initializeDataTypes();
        }
    }

    public static XMLBinaryDataHelper getXMLBinaryDataHelper() {
        if (binaryDataHelper == null) {
            setXMLBinaryDataHelper(new XMLBinaryDataHelper());
        }
        return binaryDataHelper;
    }

    public static void setXMLBinaryDataHelper(XMLBinaryDataHelper helper) {
        binaryDataHelper = helper;
    }

    public void initializeDataTypes() {
        //initialize types in this method to avoid loading them when the class is loaded
        DATA_HANDLER = javax.activation.DataHandler.class;
        IMAGE = java.awt.Image.class;
        SOURCE = javax.xml.transform.Source.class;
        MULTIPART = javax.mail.internet.MimeMultipart.class;
    }

    public Object convertObject(Object obj, Class classification, CoreAbstractSession session, CoreContainerPolicy cp) {
        if( obj instanceof List && cp != null){
            List theList = (List)obj;
            Object container = cp.containerInstance(theList.size());
            for(int i=0; i getBytesListForBinaryValues(List attributeValue, Marshaller marshaller, String mimeType){
        List returnList = new ArrayList(attributeValue.size());
        for(int i=0;i