com.centurylink.mdw.common.translator.impl.XmlBeanWrapperTranslator Maven / Gradle / Ivy

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MDW is a microservices based workflow framework

There is a newer version: 6.1.39

/*
 * Copyright (C) 2017 CenturyLink, Inc.
 *
 * 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 com.centurylink.mdw.common.translator.impl;

import java.lang.reflect.Constructor;

import org.w3c.dom.Document;
import org.w3c.dom.Node;

import com.centurylink.mdw.app.Compatibility;
import com.centurylink.mdw.translator.DocumentReferenceTranslator;
import com.centurylink.mdw.translator.TranslationException;
import com.centurylink.mdw.translator.XmlDocumentTranslator;
import com.centurylink.mdw.xml.XmlBeanWrapper;

public class XmlBeanWrapperTranslator extends DocumentReferenceTranslator implements XmlDocumentTranslator {

    public Object realToObject(String str) throws TranslationException {
        try {
            int xmlIdx = str.indexOf('<');
            String type = str.substring(0, xmlIdx).trim();
            if (Compatibility.hasCodeSubstitutions())
                type = Compatibility.getInstance().performCodeSubstitutions(type).getOutput();
            String xml = str.substring(xmlIdx);
            Class wrapperClass = Class.forName(type);
            Constructor constructor = wrapperClass.getConstructor(new Class[]{String.class});
            return constructor.newInstance(xml);
        } catch (Exception e) {
            throw new TranslationException(e.getMessage() + "\nstring content: \"" + str + "\"", e);
        }
    }

    public String realToString(Object object) throws TranslationException {
        XmlBeanWrapper xmlBeanWrapper = (XmlBeanWrapper)object;
        return xmlBeanWrapper.getClass().getName() + "\n" + xmlBeanWrapper.getXml();
    }

    public Document toDomDocument(Object obj) throws TranslationException {
        return ((XmlBeanWrapper)obj).toDomDocument();
    }

    public Object fromDomNode(Node domNode) throws TranslationException {
        throw new UnsupportedOperationException("Cannot create XmlBeanWrapper from DOM Node");
    }

}