From bccec26d8d7217dfda325e43b01fefd3605d8e1b Mon Sep 17 00:00:00 2001
From: jding-tlnd <jding@talend.com>
Date: Wed, 17 Aug 2022 18:06:50 +0800
Subject: [PATCH] feat(TUP-35646):Research : tMap - possible payload to send to
 PTP https://jira.talendforge.org/browse/TUP-35646

---
 .../runtime/model/emf/CustomXMIResource.java  | 77 +++++++++++++++++++
 .../commons/runtime/model/emf/EmfHelper.java  | 18 ++---
 2 files changed, 86 insertions(+), 9 deletions(-)
 create mode 100644 main/plugins/org.talend.commons.runtime/src/org/talend/commons/runtime/model/emf/CustomXMIResource.java

diff --git a/main/plugins/org.talend.commons.runtime/src/org/talend/commons/runtime/model/emf/CustomXMIResource.java b/main/plugins/org.talend.commons.runtime/src/org/talend/commons/runtime/model/emf/CustomXMIResource.java
new file mode 100644
index 0000000000..e5d250673e
--- /dev/null
+++ b/main/plugins/org.talend.commons.runtime/src/org/talend/commons/runtime/model/emf/CustomXMIResource.java
@@ -0,0 +1,77 @@
+// ============================================================================
+//
+// Copyright (C) 2006-2022 Talend Inc. - www.talend.com
+//
+// This source code is available under agreement available at
+// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
+//
+// You should have received a copy of the agreement
+// along with this program; if not, write to Talend SA
+// 9 rue Pages 92150 Suresnes, France
+//
+// ============================================================================
+package org.talend.commons.runtime.model.emf;
+
+import java.util.Iterator;
+import java.util.Map;
+import java.util.StringJoiner;
+
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.xmi.XMLHelper;
+import org.eclipse.emf.ecore.xmi.XMLResource;
+import org.eclipse.emf.ecore.xmi.XMLSave;
+import org.eclipse.emf.ecore.xmi.impl.XMISaveImpl;
+import org.eclipse.emf.ecore.xmi.impl.XMLString;
+
+/**
+ * DOC jding  class global comment. Detailled comment
+ */
+public class CustomXMIResource extends TalendXMIResource {
+
+    CustomXMISave xmiSave;
+
+    public CustomXMIResource() {
+        super();
+    }
+
+    public CustomXMIResource(URI uri) {
+        super(uri);
+    }
+
+    @Override
+    protected XMLSave createXMLSave() {
+        xmiSave = new CustomXMISave(createXMLHelper());
+        return xmiSave;
+    }
+
+    public String getResourceContent(Map<?, ?> options) {
+        if (xmiSave == null) {
+            createXMLSave();
+        }
+        return xmiSave.getXMLContent(this, options);
+    }
+
+}
+
+class CustomXMISave extends XMISaveImpl {
+
+    public CustomXMISave(XMLHelper helper) {
+        super(helper);
+    }
+
+    public String getXMLContent(XMLResource resource, Map<?, ?> options) {
+        StringJoiner strJoin = new StringJoiner("");
+        super.init(resource, options);
+        super.traverse(resource.getContents());
+        XMLString xmlString = this.doc;
+        Iterator<String> iterator = xmlString.stringIterator();
+        while (iterator.hasNext()) {
+            String string = (String) iterator.next();
+            if (string != null) {
+                strJoin.add(string);
+            }
+        }
+        return strJoin.toString();
+    }
+
+}
diff --git a/main/plugins/org.talend.commons.runtime/src/org/talend/commons/runtime/model/emf/EmfHelper.java b/main/plugins/org.talend.commons.runtime/src/org/talend/commons/runtime/model/emf/EmfHelper.java
index 5d1c8eba38..4f2a421693 100644
--- a/main/plugins/org.talend.commons.runtime/src/org/talend/commons/runtime/model/emf/EmfHelper.java
+++ b/main/plugins/org.talend.commons.runtime/src/org/talend/commons/runtime/model/emf/EmfHelper.java
@@ -16,6 +16,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
@@ -177,15 +178,6 @@ public class EmfHelper {
         resource.save(null);
     }
 
-    public static Resource saveEmfModel(EPackage pkg, EObject model, String file) throws IOException {
-        ResourceSet resourceSet = getResourceSet(pkg);
-        URI uri = URI.createFileURI(file);
-        Resource resource = resourceSet.createResource(uri);
-        resource.getContents().add(model);
-        resource.save(null);
-        return resource;
-    }
-
     private static ResourceSet getResourceSet(EPackage pkg) {
         ResourceSet resourceSet = new ResourceSetImpl();
 
@@ -272,4 +264,12 @@ public class EmfHelper {
         return result;
     }
 
+    public static String getEmfModelContent(EObject model) throws Exception {
+        String content = "";
+        CustomXMIResource xmiResource = new CustomXMIResource();
+        xmiResource.getContents().add(model);
+        content = xmiResource.getResourceContent(Collections.EMPTY_MAP);
+        return content;
+    }
+
 }