categoryxml.java

解觖java技术中后台无法上传数给的情况

/*
 * $Header: /cvsroot/mvnforum/mvnforum/src/com/mvnforum/admin/CategoryXML.java,v 1.10 2006/04/14 17:36:28 minhnn Exp $
 * $Author: minhnn $
 * $Revision: 1.10 $
 * $Date: 2006/04/14 17:36:28 $
 *
 * ====================================================================
 *
 * Copyright (C) 2002-2006 by MyVietnam.net
 *
 * All copyright notices regarding mvnForum MUST remain 
 * intact in the scripts and in the outputted HTML.
 * The "powered by" text/logo with a link back to
 * http://www.mvnForum.com and http://www.MyVietnam.net in 
 * the footer of the pages MUST remain visible when the pages
 * are viewed on the internet or intranet.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Support can be obtained from support forums at:
 * http://www.mvnForum.com/mvnforum/index
 *
 * Correspondence and Marketing Questions can be sent to:
 * info at MyVietnam net
 *
 * @author: Igor Manic   
 */
package com.mvnforum.admin;

import java.io.IOException;
import java.util.*;

import com.mvnforum.admin.importexport.XMLUtil;
import com.mvnforum.admin.importexport.XMLWriter;
import com.mvnforum.db.*;
import net.myvietnam.mvncore.exception.*;
import net.myvietnam.mvncore.filter.DisableHtmlTagFilter;
import net.myvietnam.mvncore.filter.EnableHtmlTagFilter;

/**
 * @author Igor Manic
 * @version $Revision: 1.10 $, $Date: 2006/04/14 17:36:28 $
 * <br/>
 * <code>CategoryXML</code> todo Igor: enter description
 *
 */
public class CategoryXML {

    private int categoryID;
    /** Returns <code>CategoryID</code> of this category or
      * <code>-1</code> if category is not created yet. */
    public int getCategoryID() { return categoryID; }

    private int parentCategoryID;

    /** Returns <code>ThreadID</code> of this category's parent category or
      * <code>0</code> if this category is not created yet or has no parent category. */
     public int getParentCategoryID() {
         return parentCategoryID;
     }

    public CategoryXML() {
        super();
        categoryID = -1;
        parentCategoryID = 0;
    }

    public void setCategoryID(String id) {
        categoryID = XMLUtil.stringToIntDef(id, -1);
    }

    public void setParentCategory(CategoryXML parentCategory) {
        parentCategoryID = parentCategory.getCategoryID();
    }

    public void setParentCategoryID(int value) {
        if (value < 0) parentCategoryID = -1;
        else parentCategoryID = value;
    }

    /**
     * Creates a category. All argument values (<code>int</code>s, <code>Timestamp</code>s, ...)
     * are represented as <code>String</code>s, because of more convenient using
     * of this method for XML parsing.
     *
     * @param categoryName Name of a category to be created.
     * @param categoryDesc Can be null.
     * @param categoryCreationDate Can be null.
     * @param categoryModifiedDate Can be null.
     * @param categoryOrder Can be null.
     * @param categoryOption Can be null.
     * @param categoryStatus Can be null.
     *
     * @throws CreateException
     * @throws DuplicateKeyException
     * @throws ObjectNotFoundException
     * @throws DatabaseException
     * @throws ForeignKeyNotFoundException
     *
     */
    public void addCategory(String categoryName,
                            String categoryDesc, String categoryCreationDate,
                            String categoryModifiedDate, String categoryOrder,
                            String categoryOption, String categoryStatus)
        throws CreateException, DuplicateKeyException, ObjectNotFoundException,
        DatabaseException, ForeignKeyNotFoundException {

        //parentCategoryID can be 0, and don't need to check if it's set or not
        if ((categoryName == null) || (categoryName.equals(""))) {
            throw new CreateException("Can't create a category with empty CategoryName.");
        } else {
            java.sql.Timestamp categoryCreationDate1;
            java.sql.Timestamp categoryModifiedDate1;
            int categoryOrder1;
            int categoryOption1;
            int categoryStatus1;

            try {
                if (categoryDesc == null) categoryDesc = "";
                categoryCreationDate1 = XMLUtil.stringToSqlTimestampDefNow(categoryCreationDate);
                categoryModifiedDate1 = XMLUtil.stringToSqlTimestampDefNow(categoryModifiedDate);
                categoryOrder1 = XMLUtil.stringToIntDef(categoryOrder, 0);
                categoryOption1 = XMLUtil.stringToIntDef(categoryOption, 0);
                categoryStatus1 = XMLUtil.stringToIntDef(categoryStatus, 0);
            } catch (NumberFormatException e) {
                throw new CreateException("Invalid data for a category. Expected a number.");
            }

            categoryName = EnableHtmlTagFilter.filter(categoryName);
            categoryDesc = EnableHtmlTagFilter.filter(categoryDesc);

            DAOFactory.getCategoryDAO().create(
                parentCategoryID, categoryName, categoryDesc,
                categoryCreationDate1, categoryModifiedDate1,
                categoryOrder1, categoryOption1, categoryStatus1);

            //todo Igor: Minh, you could move next piece of code into CategoryWebHelper.getCategoryIDFromPrimaryKey method
            Collection categories = DAOFactory.getCategoryDAO().getCategories();
            Iterator iter = categories.iterator();
            try {
                CategoryBean cat = null;
                categoryID = -1;
                while ((cat = (CategoryBean) iter.next()) != null) {
                    if ((cat.getCategoryName().equals(categoryName)) &&
                        (cat.getParentCategoryID() == parentCategoryID)) {
                        categoryID = cat.getCategoryID();
                        break;
                    }
                }
                if (categoryID < 0) {
                    throw new ObjectNotFoundException("Can't find category I've just added.");
                }
            } catch (NoSuchElementException e) {
                throw new ObjectNotFoundException("Can't find category I've just added.");
            }

        }
    }

    /**
     * Creates a category watch for this category. In order to know which category we are
     * reffering to, this method is supposed to be called after {@link #setCategoryID(String)}
     * or {@link #addCategory(String, String, String, String, String, String, String)}
     * have been called. Otherwise, this watch will be simply ignored.
     *
     * @param memberName
     * @param watchType Can be null.
     * @param watchOption Can be null.
     * @param watchStatus Can be null.
     * @param watchCreationDate Can be null.
     * @param watchLastSentDate Can be null.
     * @param watchEndDate Can be null.
     *
     * @throws BadInputException
     * @throws CreateException
     * @throws DatabaseException
     * @throws ObjectNotFoundException
     * @throws DuplicateKeyException