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Serialization of Java object to AMF

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A working example that uses BlaszDS in order to serialize Java object into AMF (this code should be cleaned up a bit), in order for it to compile and work it is required to add flex-messaging-core.jar and flex-messaging-common.jar to the classpath.

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  1. package amfdemo;
  2.  
  3. import java.io.ByteArrayInputStream;
  4. import java.io.ByteArrayOutputStream;
  5. import java.io.InputStream;
  6. import java.math.BigDecimal;
  7. import java.util.ArrayList;
  8. import java.util.Calendar;
  9. import java.util.HashMap;
  10.  
  11. import flex.messaging.io.SerializationContext;
  12. import flex.messaging.io.amf.Amf3Input;
  13. import flex.messaging.io.amf.Amf3Output;
  14. import javax.xml.parsers.DocumentBuilderFactory;
  15.  
  16. public class AmfTest {
  17.  
  18.     public static void main(String[] args) {
  19.         try {
  20.  
  21.             SerializationContext context = getSerializationContext();
  22.  
  23.             TestBean testBean = new TestBean();
  24.             testBean.setByte(new Byte((byte) 9));
  25.             testBean.setBigDecimal(new BigDecimal("9.9"));
  26.             testBean.setBoolean(new Boolean("true"));
  27.             testBean.setCharacter(new Character('c'));
  28.             testBean.setCalendar(Calendar.getInstance());
  29.             testBean.setDate(Calendar.getInstance().getTime());
  30.             testBean.setDouble(new Double(999.9));
  31.             testBean.setFloat(new Float(99.9f));
  32.             testBean.setInteger(new Integer("999"));
  33.             testBean.setList(new ArrayList());
  34.             testBean.setLong(new Long(99999));
  35.             testBean.setMap(new HashMap());
  36.             testBean.setDocument(DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument());
  37.             testBean.setShort(new Short("99"));
  38.             testBean.setString("test");
  39.  
  40.             ByteArrayOutputStream bout = new ByteArrayOutputStream();
  41.             Amf3Output amf3Output = new Amf3Output(context);
  42.             amf3Output.setOutputStream(bout);
  43.             amf3Output.writeObject(testBean);
  44.             amf3Output.flush();
  45.             amf3Output.close();
  46.  
  47.             InputStream bIn = new ByteArrayInputStream(bout.toByteArray());
  48.             Amf3Input amf3Input = new Amf3Input(context);
  49.             amf3Input.setInputStream(bIn);
  50.             TestBean o = (TestBean) amf3Input.readObject();
  51.  
  52.             System.out.println(o.getByte().equals(testBean.getByte()));
  53.             System.out.println(o.getBigDecimal().equals(testBean.getBigDecimal()));
  54.             System.out.println(o.getBoolean().equals(testBean.getBoolean()));
  55.             System.out.println(o.getCharacter().equals(testBean.getCharacter()));
  56.             System.out.println(o.getCalendar().equals(testBean.getCalendar()));
  57.             System.out.println(o.getDate().equals(testBean.getDate()));
  58.             System.out.println(o.getDouble().equals(testBean.getDouble()));
  59.             System.out.println(o.getFloat().equals(testBean.getFloat()));
  60.             System.out.println(o.getInteger().equals(testBean.getInteger()));
  61.             System.out.println(o.getLong().equals(testBean.getLong()));
  62.             System.out.println(o.getString().equals(testBean.getString()));
  63.  
  64.         } catch (Exception e) {
  65.             e.printStackTrace();
  66.         }
  67.     }
  68.  
  69.     public static SerializationContext getSerializationContext() {
  70.  
  71.         //Threadlocal SerializationContent
  72.         SerializationContext serializationContext = SerializationContext.getSerializationContext();
  73.         serializationContext.enableSmallMessages = true;
  74.         serializationContext.instantiateTypes = true;
  75.         //use _remoteClass field
  76.         serializationContext.supportRemoteClass = true;
  77.         //false  Legacy Flex 1.5 behavior was to return a java.util.Collection for Array
  78.         //ture New Flex 2+ behavior is to return Object[] for AS3 Array
  79.         serializationContext.legacyCollection = false;
  80.  
  81.         serializationContext.legacyMap = false;
  82.         //false Legacy flash.xml.XMLDocument Type
  83.         //true New E4X XML Type
  84.         serializationContext.legacyXMLDocument = false;
  85.  
  86.         //determines whether the constructed Document is name-space aware
  87.         serializationContext.legacyXMLNamespaces = false;
  88.         serializationContext.legacyThrowable = false;
  89.         serializationContext.legacyBigNumbers = false;
  90.  
  91.         serializationContext.restoreReferences = false;
  92.         serializationContext.logPropertyErrors = false;
  93.         serializationContext.ignorePropertyErrors = true;
  94.         return serializationContext;
  95.  
  96.     /*
  97.     serializationContext.enableSmallMessages = serialization.getPropertyAsBoolean(ENABLE_SMALL_MESSAGES, true);
  98.     serializationContext.instantiateTypes = serialization.getPropertyAsBoolean(INSTANTIATE_TYPES, true);
  99.     serializationContext.supportRemoteClass = serialization.getPropertyAsBoolean(SUPPORT_REMOTE_CLASS, false);
  100.     serializationContext.legacyCollection = serialization.getPropertyAsBoolean(LEGACY_COLLECTION, false);
  101.     serializationContext.legacyMap = serialization.getPropertyAsBoolean(LEGACY_MAP, false);
  102.     serializationContext.legacyXMLDocument = serialization.getPropertyAsBoolean(LEGACY_XML, false);
  103.     serializationContext.legacyXMLNamespaces = serialization.getPropertyAsBoolean(LEGACY_XML_NAMESPACES, false);
  104.     serializationContext.legacyThrowable = serialization.getPropertyAsBoolean(LEGACY_THROWABLE, false);
  105.     serializationContext.legacyBigNumbers = serialization.getPropertyAsBoolean(LEGACY_BIG_NUMBERS, false);
  106.     boolean showStacktraces = serialization.getPropertyAsBoolean(SHOW_STACKTRACES, false);
  107.     if (showStacktraces && Log.isWarn())
  108.     log.warn("The " + SHOW_STACKTRACES + " configuration option is deprecated and non-functional. Please remove this from your configuration file.");
  109.     serializationContext.restoreReferences = serialization.getPropertyAsBoolean(RESTORE_REFERENCES, false);
  110.     serializationContext.logPropertyErrors = serialization.getPropertyAsBoolean(LOG_PROPERTY_ERRORS, false);
  111.     serializationContext.ignorePropertyErrors = serialization.getPropertyAsBoolean(IGNORE_PROPERTY_ERRORS, true);
  112.      */
  113.     }
  114. }

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