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InteractiveFaultLocalization · May 14, 2021 · 98838e5 · 98838e5
2 parents a94901f + bdeb2de
commit 98838e5
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Showing 3 changed files with 29 additions and 7 deletions.
diff --git a/...es/org.eclipse.sed.ifl/src/org/eclipse/sed/ifl/ide/gui/rulecreator/StringRuleCreator.java b/...es/org.eclipse.sed.ifl/src/org/eclipse/sed/ifl/ide/gui/rulecreator/StringRuleCreator.java
@@ -2,6 +2,10 @@
 
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
+
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
+
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.sed.ifl.control.score.filter.Rule;
 import org.eclipse.sed.ifl.control.score.filter.StringRule;
@@ -111,15 +115,33 @@ public void widgetDefaultSelected(SelectionEvent e) {
 
 	}
 
-	@Override
-	public Rule getRule() {
+	private boolean isInputValid(String input) {
+		//checking if input is empty or consists of only whitespace chars
 		String validation = text.getText().trim();
 		validation.replaceAll("\\s+","");
-		if(!validation.equals("")) {
-			return new StringRule(this.domain, text.getText(), matchingButton.getSelection(), caseButton.getSelection(), regexButton.getSelection());
-		} else {
+		if(validation.equals("")) {
 			MessageDialog.open(MessageDialog.ERROR, null, "Empty string input", "The provided input is an empty string."
 					+ " Please enter a string that is not empty.", SWT.NONE);
+			return false;
+		}
+		//checking if regex is valid
+		if (regexButton.getSelection()) {
+			try {
+				Pattern.compile(input);
+			} catch (PatternSyntaxException e) {
+				MessageDialog.open(MessageDialog.ERROR, null, "Invalid regular expression", "The provided regular expression is invalid."
+						+ " Please enter a valid regular expression.", SWT.NONE);
+				return false;
+			}
+		}
+		return true;
+	}
+
+	@Override
+	public Rule getRule() {
+		if(isInputValid(text.getText())) {
+			return new StringRule(this.domain, text.getText(), matchingButton.getSelection(), caseButton.getSelection(), regexButton.getSelection());
+		} else {
 			return null;
 		}
 	}

diff --git a/org.eclipse.sed.ifl.root/features/org.eclipse.sed.ifl.feature/feature.xml b/org.eclipse.sed.ifl.root/features/org.eclipse.sed.ifl.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.sed.ifl.feature"
       label="iFL for Eclipse"
-      version="3.3.0.0"
+      version="3.4.0.0"
       provider-name="University of Szeged Department of Software Engineering">
 
    <description url="https://github.com/sed-szeged/iFL4Eclipse">

diff --git a/org.eclipse.sed.ifl.root/releng/org.eclipse.sed.ifl.update/category.xml b/org.eclipse.sed.ifl.root/releng/org.eclipse.sed.ifl.update/category.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <site>
-   <feature url="features/org.eclipse.sed.ifl.feature_3.1.0.0.jar" id="org.eclipse.sed.ifl.feature" version="3.3.0.0">
+   <feature url="features/org.eclipse.sed.ifl.feature_3.1.0.0.jar" id="org.eclipse.sed.ifl.feature" version="3.4.0.0">
       <category name="iFL for Eclipse"/>
    </feature>
    <category-def name="iFL for Eclipse" label="iFL for Eclipse"/>