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------------------------------------------------------------
revno: 12797
committer: Lars Helge Øverland <larshelge@xxxxxxxxx>
branch nick: dhis2
timestamp: Tue 2013-10-22 17:52:38 +0200
message:
  Added SvgConversionController to web-api
added:
  dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/SvgConversionController.java
modified:
  dhis-2/dhis-web/dhis-web-api/pom.xml


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=== modified file 'dhis-2/dhis-web/dhis-web-api/pom.xml'
--- dhis-2/dhis-web/dhis-web-api/pom.xml	2013-10-17 06:57:37 +0000
+++ dhis-2/dhis-web/dhis-web-api/pom.xml	2013-10-22 15:52:38 +0000
@@ -49,12 +49,6 @@
       <groupId>org.hisp.dhis</groupId>
       <artifactId>dhis-service-mapgeneration</artifactId>
     </dependency>
-	<!-- 
-    <dependency>
-      <groupId>org.hisp.dhis</groupId>
-      <artifactId>dhis-service-sms</artifactId>
-    </dependency>
-	-->
     <dependency>
       <groupId>org.hisp.dhis</groupId>
       <artifactId>dhis-service-analytics</artifactId>
@@ -83,6 +77,18 @@
       <groupId>org.hisp.dhis</groupId>
       <artifactId>dhis-web-api-mobile</artifactId>
     </dependency> <!-- remove this -->
+        
+    <!-- Batik -->
+
+    <dependency>
+      <groupId>org.apache.xmlgraphics</groupId>
+      <artifactId>batik-transcoder</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.xmlgraphics</groupId>
+      <artifactId>batik-codec</artifactId>
+    </dependency>
+    
   </dependencies>
 
   <properties>

=== added file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/SvgConversionController.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/SvgConversionController.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/SvgConversionController.java	2013-10-22 15:52:38 +0000
@@ -0,0 +1,111 @@
+package org.hisp.dhis.api.controller;
+
+/*
+ * Copyright (c) 2004-2013, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of the HISP project nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import java.awt.Color;
+import java.io.OutputStream;
+import java.io.StringReader;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.batik.transcoder.TranscoderException;
+import org.apache.batik.transcoder.TranscoderInput;
+import org.apache.batik.transcoder.TranscoderOutput;
+import org.apache.batik.transcoder.image.ImageTranscoder;
+import org.apache.batik.transcoder.image.PNGTranscoder;
+import org.apache.fop.svg.PDFTranscoder;
+import org.hisp.dhis.api.utils.ContextUtils;
+import org.hisp.dhis.api.utils.ContextUtils.CacheStrategy;
+import org.hisp.dhis.system.util.CodecUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+
+@Controller
+@RequestMapping
+public class SvgConversionController
+{
+    @Autowired
+    private ContextUtils contextUtils;
+    
+    @RequestMapping( value = "/svg.png", method = RequestMethod.POST )
+    public void toPng( @RequestBody String svg, @RequestParam( required = false ) String filename, HttpServletResponse response )
+        throws Exception
+    {
+        String name = filename != null ? CodecUtils.filenameEncode( filename ) : "file.png";
+
+        contextUtils.configureResponse( response, ContextUtils.CONTENT_TYPE_PNG, CacheStrategy.NO_CACHE, name, true );        
+        
+        convertToPng( svg, response.getOutputStream() );
+    }
+
+    @RequestMapping( value = "/svg.pdf", method = RequestMethod.POST )
+    public void toPdf( @RequestBody String svg, @RequestParam( required = false ) String filename, HttpServletResponse response )
+        throws Exception
+    {
+        String name = filename != null ? CodecUtils.filenameEncode( filename ) : "file.pdf";
+
+        contextUtils.configureResponse( response, ContextUtils.CONTENT_TYPE_PDF, CacheStrategy.NO_CACHE, name, true );        
+        
+        convertToPdf( svg, response.getOutputStream() );
+    }
+
+    // -------------------------------------------------------------------------
+    // Supportive methods
+    // -------------------------------------------------------------------------
+    
+    private void convertToPng( String svg, OutputStream out )
+        throws TranscoderException
+    {
+        PNGTranscoder t = new PNGTranscoder();
+
+        t.addTranscodingHint( ImageTranscoder.KEY_BACKGROUND_COLOR, Color.WHITE );
+
+        TranscoderInput input = new TranscoderInput( new StringReader( svg ) );
+
+        TranscoderOutput output = new TranscoderOutput( out );
+
+        t.transcode( input, output );
+    }
+
+    private void convertToPdf( String svg, OutputStream out )
+        throws TranscoderException
+    {
+        PDFTranscoder t = new PDFTranscoder();
+
+        TranscoderInput input = new TranscoderInput( new StringReader( svg ) );
+
+        TranscoderOutput output = new TranscoderOutput( out );
+
+        t.transcode( input, output );
+    }
+}