[350474] Cannot create JPA Diagram because Eclipse try to puts XML file in the wrong folder
diff --git a/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/modelintegration/util/ModelIntegrationUtil.java b/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/modelintegration/util/ModelIntegrationUtil.java
index c38d3ba..2196274 100644
--- a/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/modelintegration/util/ModelIntegrationUtil.java
+++ b/jpa_diagram_editor/plugins/org.eclipse.jpt.jpadiagrameditor.ui/src/org/eclipse/jpt/jpadiagrameditor/ui/internal/modelintegration/util/ModelIntegrationUtil.java
@@ -25,7 +25,6 @@
 import java.util.WeakHashMap;
 
 import org.eclipse.core.filesystem.EFS;
-import org.eclipse.core.filesystem.IFileInfo;
 import org.eclipse.core.filesystem.IFileStore;
 import org.eclipse.core.filesystem.IFileSystem;
 import org.eclipse.core.resources.IContainer;
@@ -133,7 +132,7 @@
 		return null;
 	}
 
-	private static IPath copyExistingXMIContentAndDeleteFile(IProject project,
+	public static IPath copyExistingXMIContentAndDeleteFile(IProject project,
 			String diagramName, IFileStore newXMIFile) throws JavaModelException,	CoreException {
 		String xmiFileName = diagramName + "." + DIAGRAM_FILE_EXTENSION;		//$NON-NLS-1$
 		IPath folderPath = copyExistingXMIContent(project, xmiFileName, newXMIFile);
@@ -141,11 +140,6 @@
 			return folderPath;
 	    IPath projectPath = project.getFullPath();
 	    folderPath = projectPath.append(getDiagramsXMLFolderPath(project));
-	    IFileStore xmlFileStore = EFS.getLocalFileSystem().getStore(folderPath.append(diagramName).addFileExtension(DIAGRAM_XML_FILE_EXTENSION));
-	    IFileInfo info = xmlFileStore.fetchInfo();
-	    if(!info.exists()){
-	    	xmlFileStore.mkdir(EFS.NONE, null);
-	    }
 	    return folderPath;
 	}
 	
diff --git a/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/META-INF/MANIFEST.MF b/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/META-INF/MANIFEST.MF
index fb4ef4d..b8464c9 100644
--- a/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/META-INF/MANIFEST.MF
+++ b/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/META-INF/MANIFEST.MF
@@ -25,7 +25,8 @@
  org.eclipse.wst.common.frameworks;bundle-version="[1.2.0,2.0.0)",
  org.eclipse.wst.common.modulecore;bundle-version="[1.2.1,2.0.0)",
  org.eclipse.wst.common.project.facet.core;bundle-version="[1.3.0,2.0.0)",
- org.junit4;bundle-version="[4.8.1,5.0.0)"
+ org.junit4;bundle-version="[4.8.1,5.0.0)",
+ org.eclipse.core.filesystem;bundle-version="1.3.100"
 Export-Package: org.eclipse.jpt.jpadiagrameditor.ui.tests.internal;x-internal:=true,
  org.eclipse.jpt.jpadiagrameditor.ui.tests.internal.editor;x-internal:=true,
  org.eclipse.jpt.jpadiagrameditor.ui.tests.internal.feature;x-internal:=true,
diff --git a/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/src/org/eclipse/jpt/jpadiagrameditor/ui/tests/internal/modelintegration/util/ModelIntegrationUtilTest.java b/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/src/org/eclipse/jpt/jpadiagrameditor/ui/tests/internal/modelintegration/util/ModelIntegrationUtilTest.java
index 692bbd5..4d947ab 100644
--- a/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/src/org/eclipse/jpt/jpadiagrameditor/ui/tests/internal/modelintegration/util/ModelIntegrationUtilTest.java
+++ b/jpa_diagram_editor/tests/org.eclipse.jpt.jpadiagrameditor.ui.tests/src/org/eclipse/jpt/jpadiagrameditor/ui/tests/internal/modelintegration/util/ModelIntegrationUtilTest.java
@@ -24,8 +24,17 @@
 import org.eclipse.core.runtime.Path;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.util.BasicInternalEList;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jpt.jpa.core.JpaProject;
+import org.eclipse.jpt.jpa.core.JptJpaCorePlugin;
+import org.eclipse.jpt.jpadiagrameditor.ui.internal.JPADiagramEditorPlugin;
 import org.eclipse.jpt.jpadiagrameditor.ui.internal.modelintegration.util.ModelIntegrationUtil;
+import org.eclipse.jpt.jpadiagrameditor.ui.internal.preferences.JPAEditorPreferenceInitializer;
+import org.eclipse.jpt.jpadiagrameditor.ui.tests.internal.JPACreateFactory;
 import org.junit.Test;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.BundleListener;
 
 
 @SuppressWarnings("unchecked")
@@ -55,5 +64,28 @@
 		assertNotNull(p);
 		assertEquals(2, p.segmentCount());
 		assertEquals(p.segment(0), "src");
-	}		
+	}
+	
+	@Test
+	public void copyExistingXMIContentAndDeleteFileTest() throws Exception {
+		Bundle b = EasyMock.createMock(Bundle.class);
+		BundleContext bc = EasyMock.createMock(BundleContext.class);
+		EasyMock.expect(bc.getBundle()).andStubReturn(b);
+		EasyMock.expect(b.getSymbolicName()).andStubReturn("jpa_editor");
+		bc.addBundleListener(EasyMock.isA(BundleListener.class));
+		EasyMock.replay(bc, b);
+		
+		JPADiagramEditorPlugin p = new JPADiagramEditorPlugin();
+		p.start(bc);
+		JptJpaCorePlugin.getJpaProjectManager();
+		
+		IPreferenceStore store = JPADiagramEditorPlugin.getDefault().getPreferenceStore();
+		store.putValue(JPAEditorPreferenceInitializer.PROPERTY_DIAGRAM_FOLDER, "diagrams");
+		store.getString(JPAEditorPreferenceInitializer.PROPERTY_DIAGRAM_FOLDER);
+		
+		JPACreateFactory factory = JPACreateFactory.instance();
+		JpaProject jpaProject = factory.createJPAProject("Test_" + System.currentTimeMillis());
+		assertNotNull(jpaProject);		
+		ModelIntegrationUtil.copyExistingXMIContentAndDeleteFile(jpaProject.getProject(), "diagram_name", null);
+	}
 }