Display dicom file when user click on view inline

git-svn-id: https://scm.gforge.inria.fr/authscm/ycadoret/svn/gazelle/Maven/gazelle-proxy/trunk@35090 356b4b1a-1d2b-0410-8bf1-ffa24008f01e

gazelle-proxy-jar/src/main/java/net/ihe/gazelle/proxy/gui/MessageBean.java

 package net.ihe.gazelle.proxy.gui;
 
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.PrintStream;
 import java.net.URLEncoder;
 import java.sql.Timestamp;
 import java.util.ArrayList;
@@ -33,9 +37,14 @@ import org.apache.commons.httpclient.methods.multipart.FilePart;
 import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
 import org.apache.commons.httpclient.methods.multipart.Part;
 import org.apache.commons.httpclient.methods.multipart.PartSource;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang.StringEscapeUtils;
 import org.apache.commons.lang.StringUtils;
 import org.apache.log4j.Logger;
+import org.dcm4che2.tool.dcm2txt.Dcm2Txt;
+import org.jboss.resteasy.client.ClientRequest;
+import org.jboss.resteasy.client.ClientResponse;
 import org.jboss.seam.Component;
 import org.jboss.seam.ScopeType;
 import org.jboss.seam.annotations.In;
@@ -45,9 +54,6 @@ import org.jboss.seam.faces.FacesMessages;
 import org.jboss.seam.faces.Redirect;
 import org.jboss.seam.international.StatusMessage;
 
-import org.jboss.resteasy.client.ClientRequest;
-import org.jboss.resteasy.client.ClientResponse;
-
 @Name("messageBean")
 @Scope(ScopeType.PAGE)
 public class MessageBean {
@@ -122,23 +128,55 @@ public class MessageBean {
 		}
 	}
 
+	public byte[] dicom2txt(InputStream messageStream) throws IOException {
+		byte[] fileByte = null;
+		Dcm2Txt d2t = new Dcm2Txt();
+		File f = File.createTempFile("tmp", "dcm");
+		fileByte = IOUtils.toByteArray(messageStream);
+
+		FileUtils.writeByteArrayToFile(f, fileByte);
+
+		PrintStream ops = System.out;
+		ByteArrayOutputStream outStream = new ByteArrayOutputStream();
+
+		PrintStream nps = new PrintStream(outStream, true);
+
+		System.setOut(nps);
+		d2t.dump(f);
+		System.setOut(ops);
+		byte[] maChaine = outStream.toByteArray();
+		outStream.close();
+		f.delete();
+		return maChaine;
+	}
+
 	public void downloadFile(boolean inline) {
 		try {
 			HttpServletResponse response = (HttpServletResponse) extCtx.getResponse();
 			InputStream messageStream = message.getMessageReceivedStream();
 			ServletOutputStream servletOutputStream = response.getOutputStream();
 			response.setContentType("text/plain");
-			response.setContentLength(message.getMessageLength());
+
 			if (!inline) {
 				response.setHeader("Content-Disposition", "attachment;filename=\"" + message.getId() + "\"");
 			}
 
-			byte[] buf = new byte[8192];
-			while (true) {
-				int length = messageStream.read(buf);
-				if (length < 0)
-					break;
-				servletOutputStream.write(buf, 0, length);
+			if (message.getChannelType().getDiscriminator().equals("DicomMessage")) {
+				byte[] result = dicom2txt(messageStream);
+				response.setContentLength(result.length);
+				ByteArrayInputStream input = new ByteArrayInputStream(result);
+				IOUtils.copyLarge(input, servletOutputStream);
+			} else {
+
+				response.setContentLength(message.getMessageLength());
+				byte[] buf = new byte[8192];
+				while (true) {
+
+					int length = messageStream.read(buf);
+					if (length < 0)
+						break;
+					servletOutputStream.write(buf, 0, length);
+				}
 			}
 
 			try {