JDK 1.7 does not contain String.join()

Jason Faust · Jason Faust · commit 3b6960bab57e · 2018-09-28T16:42:00.000-04:00
diff --git a/net.sourceforge.pmd.eclipse.plugin/src/main/java/net/sourceforge/pmd/eclipse/ui/properties/PMDProjectPropertyPage.java b/net.sourceforge.pmd.eclipse.plugin/src/main/java/net/sourceforge/pmd/eclipse/ui/properties/PMDProjectPropertyPage.java
@@ -42,6 +42,7 @@
 import java.util.Comparator;
 import java.util.List;
 
+import org.apache.commons.lang3.StringUtils;
 import org.apache.log4j.Logger;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
@@ -414,7 +415,7 @@ public void widgetSelected(SelectionEvent e) {
                     files.add(buf.toString());
                 }
                 if (path != null) {
-                    ruleSetFileText.setText(String.join(",", files));
+                    ruleSetFileText.setText(StringUtils.join(files, ","));
                 }
             }
         });

Original file line number	Diff line number	Diff line change
`@@ -42,6 +42,7 @@`
`42`	`42`	`import java.util.Comparator;`
`43`	`43`	`import java.util.List;`
`44`	`44`
	`45`	`+import org.apache.commons.lang3.StringUtils;`
`45`	`46`	`import org.apache.log4j.Logger;`
`46`	`47`	`import org.eclipse.core.resources.IProject;`
`47`	`48`	`import org.eclipse.jface.viewers.ISelectionChangedListener;`
`@@ -414,7 +415,7 @@ public void widgetSelected(SelectionEvent e) {`
`414`	`415`	`files.add(buf.toString());`
`415`	`416`	`}`
`416`	`417`	`if (path != null) {`
`417`		`- ruleSetFileText.setText(String.join(",", files));`
	`418`	`+ ruleSetFileText.setText(StringUtils.join(files, ","));`
`418`	`419`	`}`
`419`	`420`	`}`
`420`	`421`	`});`