java-decompiler: cleanups and fixes

- duplicates eliminated
- immutable fields
- typos
- formatting

src/org/jetbrains/java/decompiler/util/TextUtil.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jetbrains.java.decompiler.util;
+
+import org.jetbrains.java.decompiler.main.ClassesProcessor;
+import org.jetbrains.java.decompiler.main.DecompilerContext;
+import org.jetbrains.java.decompiler.main.TextBuffer;
+import org.jetbrains.java.decompiler.modules.decompiler.ExprProcessor;
+
+public class TextUtil {
+  public static void writeQualifiedSuper(TextBuffer buf, String qualifier) {
+    ClassesProcessor.ClassNode classNode = (ClassesProcessor.ClassNode)DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS_NODE);
+    if (!qualifier.equals(classNode.classStruct.qualifiedName)) {
+      buf.append(DecompilerContext.getImportCollector().getShortName(ExprProcessor.buildJavaClassName(qualifier))).append('.');
+    }
+    buf.append("super");
+  }
+}