Java XML String Transform convertValidatorResult(Result result, StringWriter writer)

Description

Writes the content of the given Result into a StringWriter

License

Open Source License

Parameter

Parameter	Description
result	Result from SchematronValidator validation
writer	StringWriter to write report to

Declaration

public static void convertValidatorResult(Result result, StringWriter writer) 

Method Source Code

//package com.java2s;
/*//from   w w w .  j ava 2  s .c  om
 * Copyright (c) 2016 wetransform GmbH
 * 
 * All rights reserved. This program and the accompanying materials are made
 * available under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     wetransform GmbH <http://www.wetransform.to>
 */

import java.io.ByteArrayOutputStream;
import java.io.StringWriter;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Result;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

public class Main {
    /**
     * Writes the content of the given {@link Result} into a
     * {@link StringWriter}
     * 
     * @param result {@link Result} from {@link SchematronValidator} validation
     * @param writer {@link StringWriter} to write report to
     */
    public static void convertValidatorResult(Result result, StringWriter writer) {
        if (result instanceof DOMResult) {
            convertResult((DOMResult) result, writer);
        } else if (result instanceof StreamResult) {
            convertResult((StreamResult) result, writer);
        } else {
            throw new RuntimeException(String.format("Could not evaluate Schematron validation result of type '%s'",
                    result.getClass().getCanonicalName()));
        }
    }

    private static void convertResult(StreamResult result, StringWriter writer) {
        ByteArrayOutputStream baos = (ByteArrayOutputStream) result.getOutputStream();
        writer.write(baos.toString());
    }

    private static void convertResult(DOMResult result, StringWriter writer)
            throws TransformerFactoryConfigurationError {
        TransformerFactory txfFactory = TransformerFactory.newInstance();
        Transformer transformer;
        try {
            transformer = txfFactory.newTransformer();
            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
            DOMSource resultSource = new DOMSource(result.getNode(), result.getSystemId());
            StreamResult printer = new StreamResult(writer);
            transformer.transform(resultSource, printer);
        } catch (TransformerException e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }
}

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