| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| *******************************************************************************/ |
| package org.ofbiz.webapp.ftl; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.math.BigDecimal; |
| import java.util.Locale; |
| import java.util.Map; |
| import javax.servlet.http.HttpServletRequest; |
| |
| import freemarker.core.Environment; |
| import freemarker.ext.beans.BeanModel; |
| import freemarker.ext.beans.NumberModel; |
| import freemarker.template.SimpleNumber; |
| import freemarker.template.SimpleScalar; |
| import freemarker.template.TemplateModelException; |
| import freemarker.template.TemplateScalarModel; |
| import freemarker.template.TemplateTransformModel; |
| |
| import org.ofbiz.base.util.Debug; |
| import org.ofbiz.base.util.UtilFormatOut; |
| import org.ofbiz.base.util.UtilHttp; |
| import org.ofbiz.base.util.UtilValidate; |
| import org.ofbiz.entity.Delegator; |
| import org.ofbiz.entity.util.EntityUtilProperties; |
| |
| /** |
| * OfbizCurrencyTransform - Freemarker Transform for content links |
| */ |
| public class OfbizCurrencyTransform implements TemplateTransformModel { |
| |
| public static final String module = OfbizCurrencyTransform.class.getName(); |
| |
| @SuppressWarnings("unchecked") |
| private static String getArg(Map args, String key) { |
| String result = ""; |
| Object o = args.get(key); |
| if (o != null) { |
| if (Debug.verboseOn()) Debug.logVerbose("Arg Object : " + o.getClass().getName(), module); |
| if (o instanceof TemplateScalarModel) { |
| TemplateScalarModel s = (TemplateScalarModel) o; |
| try { |
| result = s.getAsString(); |
| } catch (TemplateModelException e) { |
| Debug.logError(e, "Template Exception", module); |
| } |
| } else { |
| result = o.toString(); |
| } |
| } |
| return result; |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static BigDecimal getAmount(Map args, String key) { |
| if (args.containsKey(key)) { |
| Object o = args.get(key); |
| |
| // handle nulls better |
| if (o == null) { |
| o = 0.00; |
| } |
| if (Debug.verboseOn()) Debug.logVerbose("Amount Object : " + o.getClass().getName(), module); |
| |
| if (o instanceof SimpleScalar) { |
| SimpleScalar s = (SimpleScalar) o; |
| return new BigDecimal(s.getAsString()); |
| } |
| return new BigDecimal(o.toString()); |
| } |
| return BigDecimal.ZERO; |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static Integer getInteger(Map args, String key) { |
| if (args.containsKey(key)) { |
| Object o = args.get(key); |
| if (Debug.verboseOn()) Debug.logVerbose("Amount Object : " + o.getClass().getName(), module); |
| |
| // handle nulls better |
| if (o == null) { |
| return null; |
| } |
| |
| if (o instanceof NumberModel) { |
| NumberModel s = (NumberModel) o; |
| return s.getAsNumber().intValue(); |
| } |
| if (o instanceof SimpleNumber) { |
| SimpleNumber s = (SimpleNumber) o; |
| return s.getAsNumber().intValue(); |
| } |
| if (o instanceof SimpleScalar) { |
| SimpleScalar s = (SimpleScalar) o; |
| return Integer.valueOf(s.getAsString()); |
| } |
| return Integer.valueOf(o.toString()); |
| } |
| return null; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public Writer getWriter(final Writer out, Map args) { |
| final StringBuilder buf = new StringBuilder(); |
| |
| final BigDecimal amount = OfbizCurrencyTransform.getAmount(args, "amount"); |
| final String isoCode = OfbizCurrencyTransform.getArg(args, "isoCode"); |
| final String locale = OfbizCurrencyTransform.getArg(args, "locale"); |
| |
| // check the rounding -- DEFAULT is 10 to not round for display, only use this when necessary |
| // rounding should be handled by the code, however some times the numbers are coming from |
| // someplace else (i.e. an integration) |
| Integer roundingNumber = getInteger(args, "rounding"); |
| String scaleEnabled = "N"; |
| Environment env = Environment.getCurrentEnvironment(); |
| BeanModel req = null; |
| try { |
| req = (BeanModel) env.getVariable("request"); |
| } catch (TemplateModelException e) { |
| Debug.logError(e.getMessage(), module); |
| } |
| if (req != null) { |
| HttpServletRequest request = (HttpServletRequest) req.getWrappedObject(); |
| Delegator delegator = (Delegator) request.getAttribute("delegator"); |
| // Get rounding from SystemProperty |
| if (UtilValidate.isNotEmpty(delegator)) { |
| scaleEnabled = EntityUtilProperties.getPropertyValue("general.properties", "currency.scale.enabled", "N", delegator); |
| if (UtilValidate.isEmpty(roundingNumber)) { |
| String roundingString = EntityUtilProperties.getPropertyValue("general.properties", "currency.rounding.default", "10", delegator); |
| if (UtilValidate.isInteger(roundingString)) roundingNumber = Integer.parseInt(roundingString); |
| } |
| } |
| } |
| if (roundingNumber == null) roundingNumber = 10; |
| if ("Y".equals(scaleEnabled)) { |
| if (amount.stripTrailingZeros().scale() <= 0) { |
| roundingNumber = 0; |
| } |
| } |
| final int rounding = roundingNumber; |
| |
| return new Writer(out) { |
| @Override |
| public void write(char cbuf[], int off, int len) { |
| buf.append(cbuf, off, len); |
| } |
| |
| @Override |
| public void flush() throws IOException { |
| out.flush(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| try { |
| if (Debug.verboseOn()) Debug.logVerbose("parms: " + amount + " " + isoCode + " " + locale, module); |
| if (locale.length() < 1) { |
| // Load the locale from the session |
| Environment env = Environment.getCurrentEnvironment(); |
| BeanModel req = (BeanModel) env.getVariable("request"); |
| if (req != null) { |
| HttpServletRequest request = (HttpServletRequest) req.getWrappedObject(); |
| out.write(UtilFormatOut.formatCurrency(amount, isoCode, UtilHttp.getLocale(request), rounding)); // we set the max to 10 digits as an hack to not round numbers in the ui |
| } else { |
| out.write(UtilFormatOut.formatCurrency(amount, isoCode, env.getLocale(), rounding)); // we set the max to 10 digits as an hack to not round numbers in the ui |
| } |
| } else { |
| out.write(UtilFormatOut.formatCurrency(amount, isoCode, new Locale(locale), rounding)); // we set the max to 10 digits as an hack to not round numbers in the ui |
| } |
| } catch (TemplateModelException e) { |
| throw new IOException(e.getMessage()); |
| } |
| } |
| }; |
| } |
| } |