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Glassfish example source code file (ProfileTransformer.java)

This example Glassfish source code file (ProfileTransformer.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Glassfish tags/keywords

dom, entityresolver, file, file, io, list, network, parser, profiletransformationexception, properties, streamresult, streamsource, streamsource, string, string, transformerexception, uri, uri, util, xml

The Glassfish ProfileTransformer.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.enterprise.admin.servermgmt.pe;

import java.io.File;
import java.util.Collections;
import java.util.List;

import com.sun.enterprise.util.i18n.StringManager;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URI;
import java.util.Properties;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.URIResolver;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.w3c.dom.Document;
import org.xml.sax.EntityResolver;

final class ProfileTransformer {
    
    private final File baseXml;
    private final List<File> styleSheets;
    private final File destDir;
    private final EntityResolver er;
    private final Properties op;
    private static final StringManager sm = StringManager.getManager(ProfileTransformer.class);
    
    ProfileTransformer(final File baseXml, final List<File> styleSheets, final File destDir,
        final EntityResolver er, final Properties op) {
        if (baseXml == null || styleSheets == null || destDir == null) {
            throw new IllegalArgumentException("null arguments");
        }
        this.baseXml     = baseXml;
        this.styleSheets = Collections.unmodifiableList(styleSheets);
        this.destDir     = destDir;
        this.er          = er;
        this.op          = new Properties(op);
    }
    
    File transform() throws ProfileTransformationException {
        if (styleSheets.isEmpty()) {
            return ( baseXml );
        }
        BufferedOutputStream bos = null;
        try {
            final String fn = baseXml.getName();
            final DocumentBuilderFactory bf = DocumentBuilderFactory.newInstance();
            // it is OK to keep this as a non-validating parser.
            final DocumentBuilder builder   = bf.newDocumentBuilder();
            builder.setEntityResolver(er);
            final TransformerFactory tf     = TransformerFactory.newInstance();
            Document doc  = null;
            DOMSource src = null;
            int cnt       = 0;
            File   rfn    = null;
            for (final File ss : styleSheets) {
                //System.out.println("ss = " + ss.getAbsolutePath());
                if (cnt == 0)
                    doc = builder.parse(baseXml);
                src             = new DOMSource(doc);
                rfn             = new File(destDir, fn + "transformed" + cnt);
                bos             = new BufferedOutputStream(new FileOutputStream(rfn));
                final StreamResult result = new StreamResult(bos);
                final StreamSource sss    = new StreamSource(ss);
                final Transformer xf      = tf.newTransformer(sss);
                xf.setURIResolver(new TemplateUriResolver());
                xf.setOutputProperties(op);
                xf.transform(src, result);
                doc = builder.parse(rfn);
                cnt++;
                final String msg = sm.getString("xformPhaseComplete", ss.getAbsolutePath(), rfn.getAbsolutePath());
                System.out.println(msg);
            }
            return ( rfn );
        } catch (final Exception e) {
            throw new ProfileTransformationException(e);
        } finally {
            try {
                if (bos != null) bos.close();
            } catch (IOException eee) {
                //Have to squelch
            }
        }
    }
    
    private static class TemplateUriResolver implements URIResolver {
        
        public Source resolve (final String href, final String base) throws TransformerException {
            try {
                StreamSource source     = null;
                final URI baseUri       = new URI(base);
                final URI tbResolved    = baseUri.resolve(href);
                final boolean isFileUri = tbResolved.toString().toLowerCase().startsWith("file:");
                if (isFileUri) {
                    final File f = new File(tbResolved);
                    if (f.exists()) {
                        //System.out.println("File Exists: " + f.toURI());
                        source = new StreamSource (f);
                    }
                } // in all other cases, let the processor take care of it
                return ( source ) ;
            } catch(final Exception e) {
                throw new TransformerException(e);
            }
        }
    }
}

Other Glassfish examples (source code examples)

Here is a short list of links related to this Glassfish ProfileTransformer.java source code file:

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