[OFBiz] SVN: r6137 - in trunk/applications/accounting/src/org/ofbiz/accounting: . util

sichen at svn.ofbiz.org sichen at svn.ofbiz.org
Thu Nov 17 12:19:18 EST 2005


Author: sichen
Date: 2005-11-17 11:19:15 -0600 (Thu, 17 Nov 2005)
New Revision: 6137

Added:
   trunk/applications/accounting/src/org/ofbiz/accounting/util/
   trunk/applications/accounting/src/org/ofbiz/accounting/util/UtilAccounting.java
Log:
Utility methods for accounting application, including methods to determine types of payments and GL accounts and methods to work with BigDecimals

Added: trunk/applications/accounting/src/org/ofbiz/accounting/util/UtilAccounting.java
===================================================================
--- trunk/applications/accounting/src/org/ofbiz/accounting/util/UtilAccounting.java	2005-11-17 08:09:01 UTC (rev 6136)
+++ trunk/applications/accounting/src/org/ofbiz/accounting/util/UtilAccounting.java	2005-11-17 17:19:15 UTC (rev 6137)
@@ -0,0 +1,266 @@
+/*
+ * $Id:$
+ *
+ *  Copyright (c) 2003-2005 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.
+ *
+ *  @author Si Chen (sichen at opensourcestrategies.com)
+ *  @author Leon Torres (leon at opensourcestrategies.com)
+ */
+
+package org.ofbiz.accounting.util;
+
+import java.sql.Timestamp;
+import java.util.List;
+import java.util.Map;
+import java.math.BigDecimal;
+
+import org.ofbiz.base.util.Debug;
+import org.ofbiz.base.util.UtilMisc;
+import org.ofbiz.base.util.UtilProperties;
+import org.ofbiz.entity.GenericEntityException;
+import org.ofbiz.entity.GenericValue;
+import org.ofbiz.service.GenericServiceException;
+import org.ofbiz.service.LocalDispatcher;
+
+public class UtilAccounting {
+
+    public static String module = UtilAccounting.class.getName();
+
+    // properties file name for arithmetic configuration
+    private static final String arithmeticPropertiesFile = "arithmetic.properties";
+
+    // default scale and rounding mode for BigDecimals
+    private static final int DEFAULT_BD_SCALE = 2;
+    private static final int DEFAULT_BD_ROUNDING_MODE = BigDecimal.ROUND_HALF_UP; 
+
+    /**
+     * Little method to figure out the net or ending balance of a GlAccountHistory or GlAccountAndHistory value, based on what kind
+     * of account (DEBIT or CREDIT) it is
+     * @param account - GlAccountHistory or GlAccountAndHistory value
+     * @return balance - a Double 
+     */
+    public static Double getNetBalance(GenericValue account, String debugModule) {
+        try {
+            String parentClassId = account.getRelatedOne("GlAccount").getRelatedOne("GlAccountClass").getRelatedOne("ParentGlAccountClass").getString("glAccountClassId");
+            double balance = 0.0;
+            if (parentClassId.equals("DEBIT")) {
+                balance = account.getDouble("postedDebits").doubleValue() - account.getDouble("postedCredits").doubleValue();
+            } else if (parentClassId.equals("CREDIT")) {
+                balance = account.getDouble("postedCredits").doubleValue() - account.getDouble("postedDebits").doubleValue();
+            }
+            return new Double(balance);    
+        } catch (GenericEntityException ex) {
+            Debug.logError(ex.getMessage(), debugModule);
+            return null;
+        }
+    }
+
+
+    /**
+     * Recurses up payment type tree via parentTypeId to see if input payment type ID is in tree.
+     */
+    private static boolean isPaymentTypeRecurse(GenericValue paymentType, String inputTypeId) throws GenericEntityException {
+
+        // first check the parentTypeId against inputTypeId
+        String parentTypeId = paymentType.getString("parentTypeId");
+        if (parentTypeId == null) {
+            return false;
+        }
+        if (parentTypeId.equals(inputTypeId)) {
+            return true;
+        }
+
+        // otherwise, we have to go to the grandparent (recurse)
+        return isPaymentTypeRecurse(paymentType.getRelatedOne("ParentPaymentType"), inputTypeId);
+    }
+
+
+    /**
+     * Checks if a payment is of a specified PaymentType.paymentTypeId. It's better to use the
+     * more specific calls like isVendorPrepay().
+     */
+    public static boolean isPaymentType(GenericValue payment, String inputTypeId) throws GenericEntityException {
+        if (payment == null) { 
+            throw new GenericEntityException("Cannot check payment type: input payment is null");
+        }
+
+        GenericValue paymentType = payment.getRelatedOneCache("PaymentType");
+        if (paymentType == null) {
+            throw new GenericEntityException("Cannot find PaymentType for paymentId " + payment.getString("paymentId"));
+        }
+
+        String paymentTypeId = paymentType.getString("paymentTypeId");
+        if (inputTypeId.equals(paymentTypeId)) {
+            return true;
+        }
+
+        // recurse up tree
+        return isPaymentTypeRecurse(paymentType, inputTypeId);
+    }
+
+
+    public static boolean isTaxPayment(GenericValue payment) throws GenericEntityException {
+        return isPaymentType(payment, "TAX_PAYMENT");
+    }
+
+    public static boolean isDisbursement(GenericValue payment) throws GenericEntityException {
+        return isPaymentType(payment, "DISBURSEMENT");
+    }
+
+    public static boolean isReceipt(GenericValue payment) throws GenericEntityException {
+        return isPaymentType(payment, "RECEIPT");
+    }
+
+
+    /**
+     * Recurses up class tree via parentClassId to see if input account class ID is in tree.
+     */
+    private static boolean isAccountClassRecurse(GenericValue accountClass, String inputClassId) throws GenericEntityException {
+
+        // first check parentClassId against inputClassId
+        String parentClassId = accountClass.getString("parentClassId");
+        if (parentClassId == null) {
+            return false;
+        }
+        if (parentClassId.equals(inputClassId)) {
+            return true;
+        }
+
+        // otherwise, we have to go to the grandparent (recurse)
+        return isAccountClassRecurse(accountClass.getRelatedOne("ParentGlAccountClass"), inputClassId);
+    }
+
+    /**
+     * Checks if an account is of a specified GlAccountClass.glAccountClassId. It's better to use the
+     * more specific calls like isDebitAccount().
+     */
+    public static boolean isAccountClass(GenericValue account, String inputClassId) throws GenericEntityException {
+        if (account == null) {
+            throw new GenericEntityException("Cannot check account class: input account is null");
+        }
+
+        GenericValue accountClass = account.getRelatedOneCache("GlAccountClass");
+        if (accountClass == null) {
+            throw new GenericEntityException("Cannot find GlAccountClass for glAccountId " + account.getString("glAccountId"));
+        }
+
+        String accountClassId = accountClass.getString("glAccountClassId");
+        if (inputClassId.equals(accountClassId)) {
+            return true;
+        }
+
+        // recurse up the tree
+        return isAccountClassRecurse(accountClass, inputClassId);
+
+    }
+
+
+    public static boolean isDebitAccount(GenericValue account) throws GenericEntityException {
+        return isAccountClass(account, "DEBIT");
+    }
+
+    public static boolean isCreditAccount(GenericValue account) throws GenericEntityException {
+        return isAccountClass(account, "CREDIT");
+    }
+
+    public static boolean isAssetAccount(GenericValue account) throws GenericEntityException {
+        return isAccountClass(account, "ASSET");
+    }
+
+    public static boolean isLiabilityAccount(GenericValue account) throws GenericEntityException {
+        return isAccountClass(account, "LIABILITY");
+    }
+
+    public static boolean isEquityAccount(GenericValue account) throws GenericEntityException {
+        return isAccountClass(account, "EQUITY");
+    }
+
+    public static boolean isIncomeAccount(GenericValue account) throws GenericEntityException {
+        return isAccountClass(account, "INCOME");
+    }
+
+    public static boolean isRevenueAccount(GenericValue account) throws GenericEntityException {
+        return isAccountClass(account, "REVENUE");
+    }
+
+    public static boolean isExpenseAccount(GenericValue account) throws GenericEntityException {
+        return isAccountClass(account, "EXPENSE");
+    }
+
+    /**
+     * Method to get BigDecimal scale factor from a property
+     * @param   property - Name of the config property from arithmeticPropertiesFile (e.g., "invoice.decimals")
+     * @return  int - Scale factor to pass to BigDecimal's methods. Defaults to DEFAULT_BD_SCALE (2)
+     */
+    public static int getBigDecimalScale(String property) {
+        if ((property == null) || (property.length() == 0)) return DEFAULT_BD_SCALE;
+
+        int scale = -1;
+        String value = UtilProperties.getPropertyValue(arithmeticPropertiesFile, property);
+        if (value != null) {
+            try {
+                scale = Integer.parseInt(value);
+            } catch (NumberFormatException e) {
+            }
+        }
+        if (scale == -1) {
+            Debug.logWarning("Could not set decimal precision from " + property + "=" + value + ". Using default scale of " + DEFAULT_BD_SCALE + ".", module);
+            scale = DEFAULT_BD_SCALE;
+        }
+        return scale;
+    }
+    
+    /**
+     * Method to get BigDecimal rounding mode from a property
+     * @param   property - Name of the config property from arithmeticPropertiesFile (e.g., "invoice.rounding")
+     * @return  int - Rounding mode to pass to BigDecimal's methods. Defaults to DEFAULT_BD_ROUNDING_MODE (BigDecimal.ROUND_HALF_UP)
+     */
+    public static int getBigDecimalRoundingMode(String property) {
+        if ((property == null) || (property.length() == 0)) return DEFAULT_BD_ROUNDING_MODE;
+
+        String value = UtilProperties.getPropertyValue(arithmeticPropertiesFile, property);
+        int mode = roundingModeFromString(value);
+        if (mode == -1) {
+            Debug.logWarning("Could not set decimal rounding mode from " + property + "=" + value + ". Using default mode of " + DEFAULT_BD_SCALE + ".", module);
+            return DEFAULT_BD_ROUNDING_MODE;
+        }
+        return mode;
+    }
+
+    /**
+     * Method to get the BigDecimal rounding mode int value from a string name.
+     * @param   value - The name of the mode (e.g., "ROUND_HALF_UP")
+     * @return  int - The int value of the mode (e.g, BigDecimal.ROUND_HALF_UP) or -1 if the input was bad.
+     */
+    public static int roundingModeFromString(String value) {
+        if (value == null) return -1;
+        value = value.trim();
+        if ("ROUND_HALF_UP".equals(value)) return BigDecimal.ROUND_HALF_UP;
+        else if ("ROUND_HALF_DOWN".equals(value)) return BigDecimal.ROUND_HALF_DOWN;
+        else if ("ROUND_HALF_EVEN".equals(value)) return BigDecimal.ROUND_HALF_EVEN;
+        else if ("ROUND_UP".equals(value)) return BigDecimal.ROUND_UP;
+        else if ("ROUND_DOWN".equals(value)) return BigDecimal.ROUND_DOWN;
+        else if ("ROUND_CEILING".equals(value)) return BigDecimal.ROUND_CEILING;
+        else if ("ROUND_FLOOR".equals(value)) return BigDecimal.ROUND_FLOOR;
+        else if ("ROUND_UNNECCESSARY".equals(value)) return BigDecimal.ROUND_UNNECESSARY;
+        return -1;
+    }
+}



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