Add JSON serialize functionality

There was only possibility to serialize topology to gstreamer format.
Added JSON serialize functionality. JSON format is is compatible with
VAS.

Signed-off-by: Emilia Dominiak <emilia.dominiak@intel.com>

Author: edominia

org.sofproject.alsa.topo/.classpath

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<accessrules>
+			<accessrule kind="accessible" pattern="javafx/**"/>
+		</accessrules>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>

org.sofproject.alsa.topo/src/org/sofproject/alsa/topo/model/AlsaTopoGraph.java

@@ -490,37 +490,16 @@ public void serialize() throws CoreException, IOException {
 		ByteArrayOutputStream os = new ByteArrayOutputStream();
 
 		Writer writer = new BufferedWriter(new OutputStreamWriter(os));
-		// tlv-s
 		tlvs.serialize(writer);
-
-		// vendor tokens
 		vTokensIndex.serialize(writer);
-
-		// vendor tuples
 		vTuplesIndex.serialize(writer);
-
-		// data
 		dataIndex.serialize(writer);
-
-		// control bytes
 		controlBytes.serialize(writer);
-
-		// control mixers
 		controlMixers.serialize(writer);
-
-		// pcm capabilities
 		pcmCapsIndex.serialize(writer);
-
-		// pcm-s
 		pcms.serialize(writer);
-
-		// be-s
 		beIndex.serialize(writer);
-
-		// hw-configs
 		hwConfigs.serialize(writer);
-
-		// pipelines (widgets + graphs)
 		pipelines.serialize(writer);
 		interConnections.serialize(writer);
 
@@ -536,7 +515,35 @@ public void serialize() throws CoreException, IOException {
 		}
 		outputFile.getParent().refreshLocal(1, null);
 	}
-
+	
+	@Override
+	public String getPipelineString() {
+		try {
+			ByteArrayOutputStream os = new ByteArrayOutputStream();
+			Writer writer = new BufferedWriter(new OutputStreamWriter(os));
+			tlvs.serialize(writer);
+			vTokensIndex.serialize(writer);
+			vTuplesIndex.serialize(writer);
+			dataIndex.serialize(writer);
+			controlBytes.serialize(writer);
+			controlMixers.serialize(writer);
+			pcmCapsIndex.serialize(writer);
+			pcms.serialize(writer);
+			beIndex.serialize(writer);
+			hwConfigs.serialize(writer);
+			pipelines.serialize(writer);
+			interConnections.serialize(writer);
+			
+			writer.close();
+			os.close();
+
+			return os.toString();
+		} catch (IOException e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+	
 	@Override
 	public IRemoteOpsProvider getRemoteOpsProvider() {
 		return null; // no extra ops

org.sofproject.alsa.topo/src/org/sofproject/alsa/topo/model/AlsaTopoPipeline.java

@@ -29,7 +29,10 @@
 
 package org.sofproject.alsa.topo.model;
 
+import java.io.BufferedWriter;
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.io.OutputStreamWriter;
 import java.io.Writer;
 import java.util.Collection;
 import java.util.HashMap;

org.sofproject.fw.ui/.classpath

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<accessrules>
+			<accessrule kind="accessible" pattern="javafx/**"/>
+		</accessrules>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>

org.sofproject.gst.topo/.classpath

@@ -1,7 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<accessrules>
+			<accessrule kind="accessible" pattern="javafx/**"/>
+		</accessrules>
+	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry exported="true" kind="lib" path="lib/jackson-annotations-2.10.1.jar"/>
+	<classpathentry exported="true" kind="lib" path="lib/jackson-core-2.10.1.jar"/>
+	<classpathentry exported="true" kind="lib" path="lib/jackson-databind-2.10.1.jar"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

org.sofproject.gst.topo/META-INF/MANIFEST.MF

@@ -10,3 +10,8 @@ Require-Bundle: org.sofproject.core,
  org.sofproject.ui,
  org.sofproject.topo.ui,
  com.jcraft.jsch
+Bundle-ClassPath: lib/jackson-annotations-2.10.1.jar,
+ lib/jackson-core-2.10.1.jar,
+ lib/jackson-databind-2.10.1.jar,
+ .
+Export-Package: org.sofproject.gst.json

org.sofproject.gst.topo/build.properties

@@ -2,4 +2,7 @@ source.. = src/
 output.. = bin/
 bin.includes = META-INF/,\
                .,\
-               plugin.xml
+               plugin.xml,\
+               lib/jackson-annotations-2.10.1.jar,\
+               lib/jackson-core-2.10.1.jar,\
+               lib/jackson-databind-2.10.1.jar