com.mg.framework.support.report.ReportUtils.java Source code

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Here is the source code for com.mg.framework.support.report.ReportUtils.java

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/**
 * ReportUtils.java
 *
 * Copyright (c) 1998 - 2007 BusinessTechnology, Ltd. All rights reserved
 *
 * This program is the proprietary and confidential information of BusinessTechnology, Ltd. and may
 * be used and disclosed only as authorized in a license agreement authorizing and controlling such
 * use and disclosure
 *
 * Millennium Business Suite Anywhere System.
 */
package com.mg.framework.support.report;

import com.mg.framework.api.Logger;
import com.mg.framework.api.report.RptProperties;
import com.mg.framework.service.ApplicationDictionaryLocator;
import com.mg.framework.utils.ServerUtils;
import com.mg.framework.utils.StringUtils;

import org.hibernate.LockMode;
import org.hibernate.Session;
import org.hibernate.metadata.ClassMetadata;
import org.hibernate.type.IntegerType;
import org.hibernate.type.LongType;
import org.hibernate.type.Type;

import java.io.Serializable;

/**
 *   . ?  ?, .. ??   ?    ?
 * 
 *
 * @author Oleg V. Safonov
 * @version $Id: ReportUtils.java,v 1.3 2008/08/04 13:35:47 safonov Exp $
 */
public class ReportUtils {
    private static Logger logger = ServerUtils.getLogger(ReportUtils.class);

    private static Serializable convertStringToID(String idDesc) {
        String[] idInfo = idDesc.split("#");
        if (idInfo.length == 2) {
            String typeName = idInfo[0];
            if (Integer.class.getName().equalsIgnoreCase(typeName))
                return Integer.parseInt(idInfo[1]);
            else if (Long.class.getName().equalsIgnoreCase(typeName))
                return Long.parseLong(idInfo[1]);
            else
                return idInfo[1];
        } else
            return null;
    }

    /**
     *   BIRT    BAi, ..  BIRT   , 
     * ? ?? ??  ? ?      ,
     *    ?     ? custom  ??. ? 
     *  ??  Entity.  ??  ? ? 
     * {@link com.mg.framework.api.report.RptProperties#ENTITY_IDS_DATASET_PARAMETER}  {@link
     * com.mg.framework.api.report.RptProperties#BUSINESS_SERVICE_DATASET_PARAMETER}
     *
     * @param name          ? 
     * @param value            
     * @param entityManager   ??
     * @return   
     */
    public static Object convertParamValue(String name, Object value, Object entityManager) {
        if (value instanceof String) {
            String strValue = (String) value;
            if (RptProperties.ENTITY_IDS_DATASET_PARAMETER.equalsIgnoreCase(name)) {
                //{<java type>#<identificator value>}[,{<java type>#<identificator value>}]
                if (strValue.startsWith("{") && strValue.endsWith("}")) {
                    String[] strIds = StringUtils.split(strValue.substring(1, strValue.length() - 1), "},{")
                            .toArray(new String[0]);
                    int length = strIds.length;
                    if (length == 0)
                        return value;
                    // ?? ?   > 1,  ? ? 
                    //   ? ??? ?   QL ?
                    if (length > 1) {
                        Serializable[] ids = new Serializable[strIds.length];
                        for (int i = 0; i < strIds.length; i++)
                            ids[i] = convertStringToID(strIds[i]);
                        return ids;
                    } else
                        return convertStringToID(strIds[0]);
                } else
                    return value;
            } else if (RptProperties.BUSINESS_SERVICE_DATASET_PARAMETER.equalsIgnoreCase(name)) {
                //? ?? ?-
                return ApplicationDictionaryLocator.locate().getBusinessService(strValue);
            } else if (strValue.startsWith("${entity:") && strValue.endsWith("}")) {
                //? ? ?? ??,   ??
                //${entity:<entity name>#<identificator value>[;searchHelp:<search help name>]}
                if (logger != null)
                    logger.debug("convert entity parameter: " + strValue);
                strValue = strValue.substring(9, strValue.length() - 1);
                //   searchHelp
                int idx = strValue.indexOf(";searchHelp:");
                if (idx != -1)
                    strValue = strValue.substring(0, idx);
                String[] entityInfo = strValue.split("#");
                //???  ? ?  ??
                if (entityInfo.length != 2) {
                    if (logger != null)
                        logger.error("invalid entity description: " + strValue);
                    return null;
                }
                Session entityManagerImpl = (Session) entityManager;
                ClassMetadata classMetadata = entityManagerImpl.getSessionFactory().getClassMetadata(entityInfo[0]);
                if (classMetadata == null) {
                    logger.error("metadata of entity not found: " + entityInfo[0]);
                    return null;
                }
                Type type = classMetadata.getIdentifierType();
                Serializable entityID = entityInfo[1];
                if (type instanceof IntegerType)
                    entityID = Integer.parseInt((String) entityID);
                if (type instanceof LongType)
                    entityID = Long.parseLong((String) entityID);
                return entityManagerImpl.get(entityInfo[0], entityID);
            } else
                return value;
        } else
            return value;
    }

    /**
     * ? ? ?  ?  ??
     *
     * @param entity ??
     * @return ? ?
     */
    public static String createEntityParam(Object entity) {
        if (entity == null)
            return null;
        // ??  ?,       
        //${entity:<entity name>#<identificator value>}
        Session session = (Session) ServerUtils.getPersistentManager().getDelegate();
        session.lock(entity, LockMode.NONE);//reassociate a transient instance with a session
        return createEntityParam(session.getEntityName(entity), session.getIdentifier(entity));
    }

    /**
     * ? ? ?  ?  ??
     *
     * @param entityName ? ??
     * @param entityId   
     * @return ? ?
     */
    public static String createEntityParam(String entityName, Serializable entityId) {
        StringBuilder sb = new StringBuilder("${entity:").append(entityName).append("#").append(entityId.toString())
                .append("}");
        return sb.toString();
    }

    /**
     * ? ? ?  ?   ??
     *
     * @param ids  ??
     * @return ? ?
     */
    public static String createEntityIdsParam(Serializable[] ids) {
        if (ids == null || ids.length == 0)
            return null;
        StringBuilder sb = new StringBuilder();
        //{<java type>#<identificator value>}[,{<java type>#<identificator value>}]
        for (Serializable id : ids) {
            if (sb.length() != 0)
                sb.append(",");
            sb.append("{").append(id.getClass().getName()).append("#").append(id).append("}");
        }
        return sb.toString();
    }

}