1 files changed, 303 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/helper/DataHelperImpl.java b/sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/helper/DataHelperImpl.java
new file mode 100644
index 0000000000..3986fa4be7
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/sdo/impl/src/main/java/org/apache/tuscany/sdo/helper/DataHelperImpl.java
@@ -0,0 +1,303 @@
+/**
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed 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.apache.tuscany.sdo.helper;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.Locale;
+import java.text.DateFormat;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+
+
+import commonj.sdo.helper.DataHelper;
+
+/**
+ * Data helper methods.
+ */
+public class DataHelperImpl implements DataHelper
+{
+  /**
+   * @param dateString - Must comply to the pattern of yyyy-MM-dd'T'HH:mm:ss'.'SSS Z
+   * @return null if dataString couldn't be parsed
+   */
+  public synchronized Date toDate(String dateString)
+  {
+    if (dateString == null)
+    {
+      return null;
+    }
+    
+    DateFormat [] DATE_PATTERNS =
+    {
+      new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'.'SSS Z"),
+      new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'.'SSS"),
+      new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss"),
+      new SimpleDateFormat("yyyy-MM-dd'T'HH:mm"),
+      new SimpleDateFormat("yyyy-MM-dd")
+    };
+    
+    for (int i = 0; i < DATE_PATTERNS.length; ++i)
+    {
+      try
+      {
+        return DATE_PATTERNS[i].parse(dateString);
+      }
+      catch (ParseException parseException)
+      {
+      }
+    }
+    
+    return null;
+  }
+  
+  public synchronized Calendar toCalendar(String dateString)
+  {
+    if (dateString == null)
+    {
+      return null;
+    }
+    
+    Date date = toDate(dateString);
+    if (date == null)
+    {
+      return null;
+    }
+    
+    Calendar calendar = new GregorianCalendar();
+    calendar.setTime(date);
+    
+    return calendar;
+  }
+  
+  public synchronized Calendar toCalendar(String dateString, Locale locale)
+  {
+    if (dateString == null || locale == null)
+    {
+      return null;
+    }
+    
+    Date date = toDate(dateString);
+    if (date == null)
+    {
+      return null;
+    }
+    
+    Calendar calendar = new GregorianCalendar(locale);
+    calendar.setTime(date);
+    return calendar;
+  }
+
+  public synchronized String toDateTime(Date date)
+  {
+    if (date == null)
+    {
+      return null;
+    }
+    
+    SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'.'SSS zz");
+    
+    return f.format(date);
+  }
+  
+  public synchronized String toDuration(Date date)
+  {
+    if (date == null)
+    {
+      return null;
+    }
+    
+    SimpleDateFormat f = new SimpleDateFormat("'P'yyyy'Y' MM'M' dd'D' 'T' HH'H' mm'M' ss'S.'SSS");
+    
+    return f.format(date);
+  }
+
+  public synchronized String toTime(Date date)
+  {
+    if (date == null)
+    {
+      return null;
+    }
+    
+    SimpleDateFormat f = new SimpleDateFormat("HH:mm:ss'.'SSS zz");
+    
+    return f.format(date);
+  }
+  
+  public synchronized String toDay(Date date)
+  {
+    if (date == null)
+    {
+      return null;
+    }
+    
+    SimpleDateFormat f = new SimpleDateFormat("---dd zz");
+    
+    return f.format(date);
+  }
+  
+  public synchronized String toMonth(Date date)
+  {
+    if (date == null)
+    {
+      return null;
+    }
+    
+    SimpleDateFormat f = new SimpleDateFormat("--MM zz");
+    
+    return f.format(date);
+  }
+
+  public synchronized String toMonthDay(Date date)
+  {
+    if (date == null)
+    {
+      return null;
+    }
+    
+    SimpleDateFormat f = new SimpleDateFormat("--MM-dd zz");
+    
+    return f.format(date);
+  }
+
+  public synchronized String toYear(Date date)
+  {
+    if (date == null)
+    {
+      return null;
+    }
+    
+    SimpleDateFormat f = new SimpleDateFormat("yyyy zz");
+    
+    return f.format(date); 
+  }
+
+  public synchronized String toYearMonth(Date date)
+  {
+    if (date == null)
+    {
+      return null;
+    }
+    
+    SimpleDateFormat f = new SimpleDateFormat("yyyy-MM zz");
+    
+    return f.format(date);
+  }
+
+  public synchronized String toYearMonthDay(Date date)
+  {
+    if (date == null)
+    {
+      return null;
+    }
+    
+    SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd zz");
+    
+    return f.format(date);
+  }
+
+  public synchronized String toDateTime(Calendar calendar)
+  {
+    if (calendar == null)
+    {
+      return null;
+    }
+    
+    return toDateTime(calendar.getTime());
+  }
+
+  public synchronized String toDuration(Calendar calendar)
+  {
+    if (calendar == null)
+    {
+      return null;
+    }
+    
+    return toDuration(calendar.getTime());
+  }
+
+  public synchronized String toTime(Calendar calendar)
+  {
+    if (calendar == null)
+    {
+      return null;
+    }
+    
+    return toTime(calendar.getTime());
+  }
+
+  public synchronized String toDay(Calendar calendar)
+  {
+    if (calendar == null)
+    {
+      return null;
+    }
+    
+    return toDay(calendar.getTime());
+  }
+
+  public synchronized String toMonth(Calendar calendar)
+  {
+    if (calendar == null)
+    {
+      return null;
+    }
+    
+    return toMonth(calendar.getTime());
+  }
+
+  public synchronized String toMonthDay(Calendar calendar)
+  {
+    if (calendar == null)
+    {
+      return null;
+    }
+    
+    return toMonthDay(calendar.getTime());
+  }
+
+  public synchronized String toYear(Calendar calendar)
+  {
+    if (calendar == null)
+    {
+      return null;
+    }
+    
+    return toYear(calendar.getTime());
+  }
+
+  public synchronized String toYearMonth(Calendar calendar)
+  {
+    if (calendar == null)
+    {
+      return null;
+    }
+    
+    return toYearMonth(calendar.getTime());
+  }
+
+  public synchronized String toYearMonthDay(Calendar calendar)
+  {
+    if (calendar == null)
+    {
+      return null;
+    }
+    
+    return toYearMonthDay(calendar.getTime());
+  }
+}