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Glassfish example source code file (RepositoryNameValidator.java)

This example Glassfish source code file (RepositoryNameValidator.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

bytearrayinputstream, exception, inputsource, inputsource, invalidconfigexception, invalidconfigexception, io, management, parser, repositorynamevalidator, repositorynamevalidator, sax, string, string, stringmanager, valid_char, xml, xml_1, xml_2

The Glassfish RepositoryNameValidator.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;

import javax.xml.parsers.*;
import org.xml.sax.*;
import java.io.ByteArrayInputStream;

import javax.management.ObjectName;

import com.sun.enterprise.util.i18n.StringManager;

/**
 * Validates the repository name. A repository name must be a
 * - valid file name, 
 * - valid xml CDATA value &
 * - valid javax.management.ObjectName property value.
 */
public class RepositoryNameValidator extends StringValidator
{
    private static final String VALID_CHAR = 
        "[^\\,\\/ \\&\\;\\`\\'\\\\\"\\|\\*\\!\\?\\~\\<\\>\\^\\(\\)\\[\\]\\{\\}\\$\\:\\%]*";

    private static final String IAS_NAME = "com.sun.appserv:name=";

    private static final String XML_1 = 
        "<?xml version=\"1.0\" encoding=\"UTF-8\"?> ";

    private static final String XML_2 = "</xml>";

    /**
     * i18n strings manager object
     */
    private static final StringManager strMgr = 
        StringManager.getManager(RepositoryNameValidator.class);

    /**
     * Constructs new RepositoryNameValidator object.
     * @param name
     */
    public RepositoryNameValidator(String name)
    {
        super(name);
    }

    /**
     * Validates the given value for the given entry. This method first invokes
     * its superclass's validate method and then performs additional validations.
     * @throws InvalidConfigException
     */
    public void validate(Object str) throws InvalidConfigException
    {
        super.validate(str);
        checkValidName((String)str);
        checkValidXmlToken((String)str);
        checkValidObjectNameToken((String)str);
    }

    public void checkValidName(String name) throws InvalidConfigException
    {
        if (!name.matches(VALID_CHAR))
        {
            throw new InvalidConfigException(
                strMgr.getString("validator.invalid_value", getName(), name));
        }
    }

    /**
     * Implementation copied from 
     * com.sun.enterprise.admin.verifier.tests.StaticTest
     */
    public void checkValidXmlToken(String name) throws InvalidConfigException
    {
        try
        {
            //Construct a valid xml string
            String xml = XML_1 + name + XML_2;
            ByteArrayInputStream bais = new ByteArrayInputStream(xml.getBytes());
            InputSource is = new InputSource(bais);
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
            dbf.setValidating(false);
            DocumentBuilder db = dbf.newDocumentBuilder();
            db.parse(is);
        }
        catch (Exception e)
        {
            throw new InvalidConfigException(
                strMgr.getString("validator.invalid_value", getName(), name));
        }
    }

    public void checkValidObjectNameToken(String name) 
        throws InvalidConfigException
    {
        try
        {
            new ObjectName(IAS_NAME + name);
        }
        catch (Exception e)
        {
            throw new InvalidConfigException(
                strMgr.getString("validator.invalid_value", getName(), name));
        }
    }
}

Other Glassfish examples (source code examples)

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