org.megatome.frame2.validator.CommonsValidatorWrapper.java Source code

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/*
 * ====================================================================
 *
 * Frame2 Open Source License
 *
 * Copyright (c) 2004-2007 Megatome Technologies.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by
 *        Megatome Technologies."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Frame2 Project", and "Frame2", 
 *    must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact iamthechad@sourceforge.net.
 *
 * 5. Products derived from this software may not be called "Frame2"
 *    nor may "Frame2" appear in their names without prior written
 *    permission of Megatome Technologies.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL MEGATOME TECHNOLOGIES OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 */
package org.megatome.frame2.validator;

import java.io.IOException;
import java.io.InputStream;

import javax.servlet.ServletContext;

import org.apache.commons.validator.Validator;
import org.apache.commons.validator.ValidatorException;
import org.apache.commons.validator.ValidatorResources;
import org.megatome.frame2.Globals;
import org.megatome.frame2.errors.Errors;
import org.megatome.frame2.log.Logger;
import org.megatome.frame2.log.LoggerFactory;
import org.xml.sax.SAXException;

public class CommonsValidatorWrapper {

    // public static final String RULES_FILE = "commons-validator-rules.xml";
    // public static final String MAPPINGS_FILE =
    // "commons-validation-mappings.xml";
    // public static final String ERRORS_KEY =
    // "org.megatome.frame2.errors.Errors";

    static String cvFilePath = "/WEB-INF/commonsvalidator"; //$NON-NLS-1$
    // static String cvRulesFile = Globals.RULES_FILE;
    static String cvMappingsFile = Globals.MAPPINGS_FILE;

    static ValidatorResources validatorResources;

    private static Logger LOGGER = LoggerFactory.instance(CommonsValidatorWrapper.class.getName());

    private CommonsValidatorWrapper() {
        // not public
    }

    public static void load(ServletContext context) throws CommonsValidatorException {

        // validatorResources = new ValidatorResources();

        String filePath = cvFilePath + Globals.FORWARD_SLASH + cvMappingsFile;
        InputStream in = context.getResourceAsStream(filePath);
        if (in == null) {
            // validatorResources = null;
            throw new CommonsValidatorException("invalid filePath: " + filePath); //$NON-NLS-1$
        }
        try {
            validatorResources = new ValidatorResources(in);
        } catch (IOException e) {
            validatorResources = null;
            throw new CommonsValidatorException(e);
        } catch (SAXException e) {
            validatorResources = null;
            throw new CommonsValidatorException(e);
        }

        /*
         * List<String> fileNames = new ArrayList<String>();
         * fileNames.add(cvRulesFile); fileNames.add(cvMappingsFile);
         * 
         * for (int i = 0; i < fileNames.size(); i++) { String filePath =
         * cvFilePath + Globals.FORWARD_SLASH + fileNames.get(i); InputStream in =
         * context.getResourceAsStream(filePath); if (in == null) {
         * validatorResources = null; throw new
         * CommonsValidatorException("invalid filePath: " + filePath);
         * //$NON-NLS-1$ } try {
         * ValidatorResourcesInitializer.initialize(validatorResources, in); }
         * catch (IOException e) { validatorResources = null; throw new
         * CommonsValidatorException(e); } }
         */

    }

    public static ValidatorResources getValidatorResources() {
        return validatorResources;
    }

    /**
     * Returns the filePath.
     * 
     * @return String
     */
    public static String getFilePath() {
        return cvFilePath;
    }

    /**
     * Sets the filePath.
     * 
     * @param filePath
     *            The filePath to set
     */
    public static void setFilePath(String filePath) {
        cvFilePath = filePath;
    }

    /**
     * Method to be called by the CommonsValidatorEvent class. signature will be
     * modified.
     */
    public static void validate(String beanName, Object o, Errors errors) {
        try {
            Validator validator = new Validator(validatorResources, beanName);
            // add the name bean to the validator as a resource
            // for the validations to be performed on.
            validator.setParameter(Validator.BEAN_PARAM, o);
            validator.setParameter(Globals.ERRORS_KEY, errors);

            validator.validate();
        } catch (ValidatorException e) {
            LOGGER.info("Error validating HttpEvent " + beanName + " : " + e); //$NON-NLS-1$ //$NON-NLS-2$
        } catch (IllegalArgumentException e) {
            LOGGER.warn("Error validating: " + e.getMessage()); //$NON-NLS-1$
        }

    }

    /**
     * Returns the mappingsFile.
     * 
     * @return String
     */
    public static String getMappingsFile() {
        return cvMappingsFile;
    }

    /**
     * Returns the rulesFile.
     * 
     * @return String
     */
    /*
     * public static String getRulesFile() { return cvRulesFile; }
     */

    /**
     * Sets the mappingsFile.
     * 
     * @param mappingsFile
     *            The mappingsFile to set
     */
    public static void setMappingsFile(String mappingsFile) {
        cvMappingsFile = mappingsFile;
    }

    /**
     * Sets the rulesFile.
     * 
     * @param rulesFile
     *            The rulesFile to set
     */
    /*
     * public static void setRulesFile(String rulesFile) { cvRulesFile =
     * rulesFile; }
     */

    /**
     * Release the validatorResources object.
     */
    public static void release() {
        validatorResources = null;
    }

}