Do not throw exception in case of non-concrete AbstractCodeMining type

Author: travkin79

bundles/org.eclipse.jface.text/src/org/eclipse/jface/internal/text/codemining/CodeMiningManager.java

@@ -248,7 +248,7 @@ private static enum CodeMiningMode {
 		public static CodeMiningMode createFor(List<ICodeMining> minings) {
 			Assert.isNotNull(minings);
 
-			CodeMiningMode mode= CodeMiningMode.InLine;
+			CodeMiningMode mode= CodeMiningMode.HeaderLine;
 			if (!minings.isEmpty()) {
 				ICodeMining first= minings.get(0);
 
@@ -258,8 +258,6 @@ public static CodeMiningMode createFor(List<ICodeMining> minings) {
 					mode= CodeMiningMode.HeaderLine;
 				} else if (CodeMiningMode.FooterLine.codeMiningType.isInstance(first)) {
 					mode= CodeMiningMode.FooterLine;
-				} else {
-					throw new IllegalStateException("Unexpected code mining type: " + first.getClass()); //$NON-NLS-1$
 				}
 			}
 			return mode;

examples/org.eclipse.jface.text.examples/src/org/eclipse/jface/text/examples/codemining/MultilineCodeMiningProvider.java

@@ -19,9 +19,9 @@
 import org.eclipse.jface.text.IDocument;
 import org.eclipse.jface.text.ITextViewer;
 import org.eclipse.jface.text.Position;
+import org.eclipse.jface.text.codemining.AbstractCodeMining;
 import org.eclipse.jface.text.codemining.AbstractCodeMiningProvider;
 import org.eclipse.jface.text.codemining.ICodeMining;
-import org.eclipse.jface.text.codemining.LineContentCodeMining;
 import org.eclipse.jface.text.codemining.LineHeaderCodeMining;
 
 public class MultilineCodeMiningProvider extends AbstractCodeMiningProvider {
@@ -35,7 +35,7 @@ public CompletableFuture<List<? extends ICodeMining>> provideCodeMinings(ITextVi
 		int index = 0;
 		while ((index = document.get().indexOf(multiLineText, index)) != -1) {
 			index += multiLineText.length();
-			res.add(new LineContentCodeMining(new Position(index, 1), this, null) {
+			res.add(new AbstractCodeMining(new Position(index, 1), this, null) {
 				@Override
 				public String getLabel() {
 					return "multiline first part in same line";

tests/org.eclipse.ui.editors.tests/src/org/eclipse/jface/text/tests/codemining/CodeMiningTestProvider.java

@@ -19,6 +19,7 @@
 import org.eclipse.jface.text.BadLocationException;
 import org.eclipse.jface.text.ITextViewer;
 import org.eclipse.jface.text.Position;
+import org.eclipse.jface.text.codemining.AbstractCodeMining;
 import org.eclipse.jface.text.codemining.AbstractCodeMiningProvider;
 import org.eclipse.jface.text.codemining.ICodeMining;
 import org.eclipse.jface.text.codemining.ICodeMiningProvider;
@@ -49,7 +50,7 @@ public String getLabel() {
 				});
 			}
 			if (provideContentMiningAtOffset >= 0) {
-				minings.add(new LineContentCodeMining(new Position(provideContentMiningAtOffset, 1), this, null) {
+				minings.add(new AbstractCodeMining(new Position(provideContentMiningAtOffset, 1), this, null) {
 					@Override
 					public String getLabel() {
 						return "Content mining";