------------------------------------------------------------
revno: 14205
committer: Morten Olav Hansen <morte...@gmail.com>
branch nick: dhis2
timestamp: Thu 2014-03-13 14:23:00 +0100
message:
support xml output in schemas
modified:
dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/SchemaController.java
--
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=== modified file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/SchemaController.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/SchemaController.java 2014-02-13 07:03:09 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/SchemaController.java 2014-03-13 13:23:00 +0000
@@ -28,20 +28,22 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+import com.fasterxml.jackson.dataformat.xml.ser.ToXmlGenerator;
import com.google.common.collect.Maps;
+import org.hisp.dhis.common.DxfNamespaces;
import org.hisp.dhis.common.IdentifiableObject;
import org.hisp.dhis.dxf2.metadata.ExchangeClasses;
import org.hisp.dhis.dxf2.utils.JacksonUtils;
import org.hisp.dhis.system.util.ReflectionUtils;
-import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.client.HttpClientErrorException;
+import javax.servlet.http.HttpServletResponse;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
import java.io.IOException;
-import java.io.OutputStream;
import java.util.Map;
/**
@@ -52,32 +54,102 @@
public class SchemaController
{
@RequestMapping( value = { "/schemas", "/schemas.json" }, method = RequestMethod.GET )
- public void getTypesJson( OutputStream outputStream ) throws IOException
- {
- Map<String, Map<String, ReflectionUtils.PropertyDescriptor>> output = Maps.newHashMap();
-
- for ( Class<? extends IdentifiableObject> key : ExchangeClasses.getAllExportMap().keySet() )
- {
- Map<String, ReflectionUtils.PropertyDescriptor> classMap = ReflectionUtils.getJacksonClassMap( key );
- output.put( ExchangeClasses.getAllExportMap().get( key ), classMap );
- }
-
- JacksonUtils.toJson( outputStream, output );
- }
-
- @RequestMapping( value = { "/schemas/{type}", "/schemas/{type}.json" }, method = RequestMethod.GET )
- public void getTypeJson( @PathVariable String type, OutputStream outputStream ) throws IOException
- {
- for ( Class<? extends IdentifiableObject> key : ExchangeClasses.getAllExportMap().keySet() )
- {
- if ( ExchangeClasses.getAllExportMap().get( key ).equals( type ) )
- {
- Map<String, ReflectionUtils.PropertyDescriptor> classMap = ReflectionUtils.getJacksonClassMap( key );
- JacksonUtils.toJson( outputStream, classMap );
- return;
- }
- }
-
- throw new HttpClientErrorException( HttpStatus.NOT_FOUND );
+ public void getTypesJson( HttpServletResponse response ) throws IOException
+ {
+ response.setContentType( MediaType.APPLICATION_JSON_VALUE );
+ Map<String, Map<String, ReflectionUtils.PropertyDescriptor>> output = Maps.newHashMap();
+
+ for ( Class<? extends IdentifiableObject> key : ExchangeClasses.getAllExportMap().keySet() )
+ {
+ Map<String, ReflectionUtils.PropertyDescriptor> classMap = ReflectionUtils.getJacksonClassMap( key );
+ output.put( ExchangeClasses.getAllExportMap().get( key ), classMap );
+ }
+
+ JacksonUtils.toJson( response.getOutputStream(), output );
+ }
+
+ @RequestMapping( value = { "/schemas.xml" }, method = RequestMethod.GET )
+ public void getTypesXml( HttpServletResponse response ) throws IOException
+ {
+ response.setContentType( MediaType.APPLICATION_XML_VALUE );
+ Map<String, Map<String, ReflectionUtils.PropertyDescriptor>> output = Maps.newHashMap();
+
+ for ( Class<? extends IdentifiableObject> key : ExchangeClasses.getAllExportMap().keySet() )
+ {
+ Map<String, ReflectionUtils.PropertyDescriptor> classMap = ReflectionUtils.getJacksonClassMap( key );
+ output.put( ExchangeClasses.getAllExportMap().get( key ), classMap );
+ }
+
+ try
+ {
+ ToXmlGenerator generator = (ToXmlGenerator) JacksonUtils.getXmlMapper().getJsonFactory().createJsonGenerator( response.getOutputStream() );
+ XMLStreamWriter staxWriter = generator.getStaxWriter();
+
+ staxWriter.writeStartElement( "", "schemas", DxfNamespaces.DXF_2_0 );
+
+ for ( String key : output.keySet() )
+ {
+ Map<String, ReflectionUtils.PropertyDescriptor> map = output.get( key );
+ writeClassMap( staxWriter, key, map );
+ }
+
+ staxWriter.writeEndElement();
+ staxWriter.close();
+ }
+ catch ( XMLStreamException ex )
+ {
+ ex.printStackTrace();
+ }
+ }
+
+ private void writeClassMap( XMLStreamWriter staxWriter, String type, Map<String, ReflectionUtils.PropertyDescriptor> classMap )
+ {
+ try
+ {
+ staxWriter.writeStartElement( "", "schema", DxfNamespaces.DXF_2_0 );
+ staxWriter.writeAttribute( "type", type );
+
+ for ( String field : classMap.keySet() )
+ {
+ staxWriter.writeStartElement( "", field, DxfNamespaces.DXF_2_0 );
+ ReflectionUtils.PropertyDescriptor descriptor = classMap.get( field );
+ writeDescriptor( staxWriter, descriptor );
+ staxWriter.writeEndElement();
+ }
+
+ staxWriter.writeEndElement();
+ }
+ catch ( XMLStreamException ignored )
+ {
+ }
+ }
+
+ private void writeDescriptor( XMLStreamWriter staxWriter, ReflectionUtils.PropertyDescriptor descriptor )
+ {
+ writeSimpleElement( staxWriter, "name", descriptor.getName() );
+ writeSimpleElement( staxWriter, "xmlName", descriptor.getXmlName() );
+ writeSimpleElement( staxWriter, "xmlAttribute", descriptor.isXmlAttribute() );
+ writeSimpleElement( staxWriter, "clazz", descriptor.getClazz() );
+ writeSimpleElement( staxWriter, "collection", descriptor.isCollection() );
+ writeSimpleElement( staxWriter, "identifiableObject", descriptor.isIdentifiableObject() );
+ writeSimpleElement( staxWriter, "description", descriptor.getDescription() );
+ }
+
+ private void writeSimpleElement( XMLStreamWriter staxWriter, String fieldName, Object text )
+ {
+ if ( text == null )
+ {
+ return;
+ }
+
+ try
+ {
+ staxWriter.writeStartElement( "", fieldName, DxfNamespaces.DXF_2_0 );
+ staxWriter.writeCharacters( text.toString() );
+ staxWriter.writeEndElement();
+ }
+ catch ( XMLStreamException ignored )
+ {
+ }
}
}
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