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1
25 package org.ofbiz.webapp.ftl;
26
27 import java.io.IOException  ;
28 import java.io.Writer ;
29 import java.util.Locale ;
30 import java.util.Map ;
31 import javax.servlet.http.HttpServletRequest ;
32
33 import freemarker.core.Environment;
34 import freemarker.ext.beans.BeanModel;
35 import freemarker.ext.beans.NumberModel;
36 import freemarker.template.SimpleNumber;
37 import freemarker.template.SimpleScalar;
38 import freemarker.template.TemplateModelException;
39 import freemarker.template.TemplateScalarModel;
40 import freemarker.template.TemplateTransformModel;
41
42 import org.ofbiz.base.util.Debug;
43 import org.ofbiz.base.util.UtilFormatOut;
44 import org.ofbiz.base.util.UtilHttp;
45
46
54 public class OfbizCurrencyTransform implements TemplateTransformModel {
55
56 public static final String module = OfbizCurrencyTransform.class.getName();
57
58 private static String getArg(Map args, String key) {
59 String result = "";
60 Object o = args.get(key);
61 if (o != null) {
62 if (Debug.verboseOn()) Debug.logVerbose("Arg Object : " + o.getClass().getName(), module);
63 if (o instanceof TemplateScalarModel) {
64 TemplateScalarModel s = (TemplateScalarModel) o;
65 try {
66 result = s.getAsString();
67 } catch (TemplateModelException e) {
68 Debug.logError(e, "Template Exception", module);
69 }
70 } else {
71 result = o.toString();
72 }
73 }
74 return result;
75 }
76
77 private static Double getAmount(Map args, String key) {
78 if (args.containsKey(key)) {
79 Object o = args.get(key);
80 if (Debug.verboseOn()) Debug.logVerbose("Amount Object : " + o.getClass().getName(), module);
81
82 if (o == null) {
84 o = new Double (0.00);
85 }
86
87 if (o instanceof NumberModel) {
88 NumberModel s = (NumberModel) o;
89 return new Double ( s.getAsNumber().doubleValue() );
90 }
91 if (o instanceof SimpleNumber) {
92 SimpleNumber s = (SimpleNumber) o;
93 return new Double ( s.getAsNumber().doubleValue() );
94 }
95 if (o instanceof SimpleScalar) {
96 SimpleScalar s = (SimpleScalar) o;
97 return new Double ( s.getAsString() );
98 }
99 return new Double ( o.toString() );
100 }
101 return new Double (0.00);
102 }
103
104 public Writer getWriter(final Writer out, Map args) {
105 final StringBuffer buf = new StringBuffer ();
106
107 final Double amount = OfbizCurrencyTransform.getAmount(args, "amount");
108 final String isoCode = OfbizCurrencyTransform.getArg(args, "isoCode");
109 final String locale = OfbizCurrencyTransform.getArg(args, "locale");
110
111 return new Writer (out) {
112 public void write(char cbuf[], int off, int len) {
113 buf.append(cbuf, off, len);
114 }
115
116 public void flush() throws IOException {
117 out.flush();
118 }
119
120 public void close() throws IOException {
121 try {
122 if (Debug.verboseOn()) Debug.logVerbose("parms: " + amount + " " + isoCode + " " + locale, module);
123 if (locale.length() < 1) {
124 Environment env = Environment.getCurrentEnvironment();
126 BeanModel req = (BeanModel) env.getVariable("request");
127 if (req != null) {
128 HttpServletRequest request = (HttpServletRequest ) req.getWrappedObject();
129 out.write(UtilFormatOut.formatCurrency(amount, isoCode, UtilHttp.getLocale(request)));
130 } else {
131 out.write(UtilFormatOut.formatCurrency(amount, isoCode, env.getLocale()));
132 }
133 } else {
134 out.write(UtilFormatOut.formatCurrency(amount.doubleValue(), isoCode, new Locale (locale)));
135 }
136 } catch (TemplateModelException e) {
137 throw new IOException (e.getMessage());
138 }
139 }
140 };
141 }
142 }
143 |
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