dataservices.java

Sequoia ERP是一个真正的企业级开源ERP解决方案。它提供的模块包括：电子商务应用(e-commerce), POS系统(point of sales),知识管理,存货与仓库管理

/*
 * $Id: DataServices.java 6759 2006-02-17 03:23:00Z jonesde $
 *
 *  Copyright (c) 2001-2005 The Open For Business Project - www.ofbiz.org
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a
 *  copy of this software and associated documentation files (the "Software"),
 *  to deal in the Software without restriction, including without limitation
 *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
 *  and/or sell copies of the Software, and to permit persons to whom the
 *  Software is furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included
 *  in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 *  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
 *  OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 *  THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.ofbiz.content.data;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.StringWriter;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.io.Writer;
import java.sql.Timestamp;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import org.ofbiz.base.util.Debug;
import org.ofbiz.base.util.GeneralException;
import org.ofbiz.base.util.UtilDateTime;
import org.ofbiz.base.util.UtilMisc;
import org.ofbiz.base.util.UtilValidate;
import org.ofbiz.entity.GenericDelegator;
import org.ofbiz.entity.GenericEntityException;
import org.ofbiz.entity.GenericValue;
import org.ofbiz.entity.util.ByteWrapper;
import org.ofbiz.service.DispatchContext;
import org.ofbiz.service.GenericServiceException;
import org.ofbiz.service.LocalDispatcher;
import org.ofbiz.service.ModelService;
import org.ofbiz.service.ServiceUtil;

/**
 * DataServices Class
 * 
 * @author     <a href="mailto:[e-mail]">Al Byers</a>
 * @author     <a href="mailto:[e-mail]">Andy Zeneski</a>
 * @version    $Rev: 6759 $
 * @since      3.0
 * 
 *  
 */
public class DataServices {

    public static final String module = DataServices.class.getName();

    /**
     * A top-level service for creating a DataResource and ElectronicText together.
     */
    public static Map createDataResourceAndText(DispatchContext dctx, Map context) {
        GenericDelegator delegator = dctx.getDelegator();
        LocalDispatcher dispatcher = dctx.getDispatcher();
        Map result = new HashMap();

            Map thisResult = createDataResourceMethod(dctx, context);
            if (thisResult.get(ModelService.RESPONSE_MESSAGE) != null) {
                return ServiceUtil.returnError((String) thisResult.get(ModelService.ERROR_MESSAGE));
            }

            result.put("dataResourceId", thisResult.get("dataResourceId"));
            context.put("dataResourceId", thisResult.get("dataResourceId"));

            String dataResourceTypeId = (String) context.get("dataResourceTypeId");
            if (dataResourceTypeId != null && dataResourceTypeId.equals("ELECTRONIC_TEXT")) {
                thisResult = createElectronicText(dctx, context);
                if (thisResult.get(ModelService.RESPONSE_MESSAGE) != null) {
                    return ServiceUtil.returnError((String) thisResult.get(ModelService.ERROR_MESSAGE));
                }
            }

        return result;
    }

    /**
     * A service wrapper for the createDataResourceMethod method. Forces permissions to be checked.
     */
    public static Map createDataResource(DispatchContext dctx, Map context) {
        Map result = createDataResourceMethod(dctx, context);
        return result;
    }

    public static Map createDataResourceMethod(DispatchContext dctx, Map context) {
        Map result = new HashMap();
        GenericDelegator delegator = dctx.getDelegator();
        LocalDispatcher dispatcher = dctx.getDispatcher();
            GenericValue userLogin = (GenericValue) context.get("userLogin");
            String userLoginId = (String) userLogin.get("userLoginId");
            String createdByUserLogin = userLoginId;
            String lastModifiedByUserLogin = userLoginId;
            Timestamp createdDate = UtilDateTime.nowTimestamp();
            Timestamp lastModifiedDate = UtilDateTime.nowTimestamp();
            String dataTemplateTypeId = (String) context.get("dataTemplateTypeId");
            if (UtilValidate.isEmpty(dataTemplateTypeId)) {
                dataTemplateTypeId = "NONE";
                context.put("dataTemplateTypeId", dataTemplateTypeId );
            }

            // If textData exists, then create DataResource and return dataResourceId
            String dataResourceId = (String) context.get("dataResourceId");
            if (UtilValidate.isEmpty(dataResourceId))
                dataResourceId = delegator.getNextSeqId("DataResource").toString();
            if (Debug.infoOn()) Debug.logInfo("in createDataResourceMethod, dataResourceId:" + dataResourceId, module);
            GenericValue dataResource = delegator.makeValue("DataResource", UtilMisc.toMap("dataResourceId", dataResourceId));
            dataResource.setNonPKFields(context);
            dataResource.put("createdByUserLogin", createdByUserLogin);
            dataResource.put("lastModifiedByUserLogin", lastModifiedByUserLogin);
            dataResource.put("createdDate", createdDate);
            dataResource.put("lastModifiedDate", lastModifiedDate);
            try {
                dataResource.create();
            } catch (GenericEntityException e) {
                return ServiceUtil.returnError(e.getMessage());
            } catch(Exception e2) {
                return ServiceUtil.returnError(e2.getMessage());
            }
            result.put("dataResourceId", dataResourceId);
            result.put("dataResource", dataResource);
        return result;
    }

    /**
     * A service wrapper for the createElectronicTextMethod method. Forces permissions to be checked.
     */
    public static Map createElectronicText(DispatchContext dctx, Map context) {
        Map result = createElectronicTextMethod(dctx, context);
        return result;
    }

    public static Map createElectronicTextMethod(DispatchContext dctx, Map context) {
        HashMap result = new HashMap();
        GenericDelegator delegator = dctx.getDelegator();
        LocalDispatcher dispatcher = dctx.getDispatcher();
            String dataResourceId = (String) context.get("dataResourceId");
            String textData = (String) context.get("textData");
            if (textData != null && textData.length() > 0) {
                GenericValue electronicText = delegator.makeValue("ElectronicText", UtilMisc.toMap("dataResourceId", dataResourceId, "textData", textData));
                try {
                    electronicText.create();
                } catch (GenericEntityException e) {
                    return ServiceUtil.returnError(e.getMessage());
                }
            }
        

        return result;
    }

    /**
     * A service wrapper for the createFileMethod method. Forces permissions to be checked.
     */
    public static Map createFile(DispatchContext dctx, Map context) {

        return createFileMethod(dctx, context);
    }

    public static Map createFileNoPerm(DispatchContext dctx, Map context) {
        context.put("skipPermissionCheck", "true");        
        return createFileMethod(dctx, context);
    }

    public static Map createFileMethod(DispatchContext dctx, Map context) {
        GenericDelegator delegator = dctx.getDelegator();
        LocalDispatcher dispatcher = dctx.getDispatcher();
            //GenericValue dataResource = (GenericValue) context.get("dataResource");
            String dataResourceTypeId = (String) context.get("dataResourceTypeId");
            String objectInfo = (String) context.get("objectInfo");
            ByteWrapper binData = (ByteWrapper) context.get("binData");
            String textData = (String) context.get("textData");

            // a few place holders
            String prefix = "";
            String sep = "";

            // extended validation for binary/character data
            if (UtilValidate.isNotEmpty(textData) && binData != null) {
                return ServiceUtil.returnError("Cannot process both character and binary data in the same file");
            }

            // obtain a reference to the file
            File file = null;
            if (UtilValidate.isEmpty(dataResourceTypeId) || dataResourceTypeId.equals("LOCAL_FILE")) {
                file = new File(objectInfo);
                if (!file.isAbsolute()) {
                    return ServiceUtil.returnError("DataResource LOCAL_FILE does not point to an absolute location");
                }
            } else if (dataResourceTypeId.equals("OFBIZ_FILE")) {
                prefix = System.getProperty("ofbiz.home");
                if (objectInfo.indexOf("/") != 0 && prefix.lastIndexOf("/") != (prefix.length() - 1)) {
                    sep = "/";
                }
                file = new File(prefix + sep + objectInfo);
            } else if (dataResourceTypeId.equals("CONTEXT_FILE")) {
                prefix = (String) context.get("rootDir");
                if (objectInfo.indexOf("/") != 0 && prefix.lastIndexOf("/") != (prefix.length() - 1)) {
                    sep = "/";
                }
                file = new File(prefix + sep + objectInfo);
            }
            if (file == null) {
                return ServiceUtil.returnError("Unable to obtain a reference to file - " + objectInfo);
            }

            // write the data to the file