first commit

hrmsEjb/net/sf/jasperreports/engine/util/JRJdk14ImageEncoder.java

@@ -0,0 +1,37 @@
+package net.sf.jasperreports.engine.util;
+
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import javax.imageio.ImageIO;
+import net.sf.jasperreports.engine.JRException;
+
+public class JRJdk14ImageEncoder extends JRAbstractImageEncoder {
+  public byte[] encode(BufferedImage bi, byte imageType) throws JRException {
+    String formatName = null;
+    switch (imageType) {
+      case 1:
+        formatName = "gif";
+        break;
+      case 3:
+        formatName = "png";
+        break;
+      case 4:
+        formatName = "tiff";
+        break;
+      default:
+        formatName = "jpeg";
+        break;
+    } 
+    boolean success = false;
+    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    try {
+      success = ImageIO.write(bi, formatName, baos);
+    } catch (IOException e) {
+      throw new JRException(e);
+    } 
+    if (!success)
+      throw new JRException("No appropriate image writer found for the \"" + formatName + "\" format."); 
+    return baos.toByteArray();
+  }
+}