For each conversion in swt.tools.

Change-Id: I9b24de33ba07df5717bb32326392f24555d5c88d
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>

19 files changed, 77 insertions, 129 deletions

diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTClass.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTClass.java
index a642b92ed9..e54221e232 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTClass.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTClass.java
@@ -37,8 +37,8 @@ public class ASTClass extends ASTItem implements JNIClass {
 			if (file.exists()) {
 				return file.getAbsolutePath();
 			}
-			for (int i = 0; i < imports.length; i++) {
-				file = new File(basePath + imports[i].replace('.', '/') + "/" + simpleName + ".java");
+			for (String import1 : imports) {
+				file = new File(basePath + import1.replace('.', '/') + "/" + simpleName + ".java");
 				if (file.exists()) {
 					return file.getAbsolutePath();				
 				}
@@ -53,10 +53,10 @@ public class ASTClass extends ASTItem implements JNIClass {
 			if (file.exists()) {
 				return packageName + "." + simpleName;				
 			}
-			for (int i = 0; i < imports.length; i++) {
-				file = new File(basePath + imports[i].replace('.', '/') + "/" + simpleName + ".java");
+			for (String import1 : imports) {
+				file = new File(basePath + import1.replace('.', '/') + "/" + simpleName + ".java");
 				if (file.exists()) {
-					return imports[i] + "." + simpleName;				
+					return import1 + "." + simpleName;				
 				}
 			}
 			return simpleName;
@@ -99,8 +99,7 @@ public ASTClass(String sourcePath, MetaData metaData) {
 
 	FieldDeclaration[] fields = type.getFields();
 	List<ASTField> fid = new ArrayList<>();
-	for (int i = 0; i < fields.length; i++) {
-		FieldDeclaration field = fields[i];
+	for (FieldDeclaration field : fields) {
 		List<VariableDeclarationFragment> fragments = field.fragments();
 		for (VariableDeclarationFragment fragment : fragments) {
 			fid.add(new ASTField(this, source, field, fragment));
@@ -109,9 +108,9 @@ public ASTClass(String sourcePath, MetaData metaData) {
 	this.fields = fid.toArray(new ASTField[fid.size()]);
 	MethodDeclaration[] methods = type.getMethods();
 	List<ASTMethod> mid = new ArrayList<>();
-	for (int i = 0; i < methods.length; i++) {
-		if (methods[i].getReturnType2() == null) continue;
-		mid.add(new ASTMethod(this, source, methods[i]));
+	for (MethodDeclaration method : methods) {
+		if (method.getReturnType2() == null) continue;
+		mid.add(new ASTMethod(this, source, method));
 	}
 	this.methods = mid.toArray(new ASTMethod[mid.size()]);
 }
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTField.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTField.java
index 1f490d200c..4427e75731 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTField.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTField.java
@@ -100,7 +100,7 @@ public String getAccessor() {
 @Override
 public String getCast() {
 	String cast = ((String)getParam("cast")).trim();
-	if (cast.length() > 0) {
+	if (!cast.isEmpty()) {
 		if (!cast.startsWith("(")) cast = "(" + cast;
 		if (!cast.endsWith(")")) cast = cast + ")";
 	}
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTMethod.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTMethod.java
index a8cd8ce367..c251dc5745 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTMethod.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ASTMethod.java
@@ -64,8 +64,7 @@ public ASTMethod(ASTClass declaringClass, String source, MethodDeclaration metho
 	paramTypes64 = new ASTType[parameters.size()];
 	this.parameters = new ASTParameter[paramTypes.length];
 	int i = 0;
-	for (Iterator<SingleVariableDeclaration> iterator = parameters.iterator(); iterator.hasNext(); i++) {
-		SingleVariableDeclaration param = iterator.next();
+	for (SingleVariableDeclaration param : parameters) {
 		paramTypes[i] = new ASTType(declaringClass.resolver, param.getType(), param.getExtraDimensions());
 		paramTypes64[i] = paramTypes[i];
 		this.parameters[i] = new ASTParameter(this, i, param.getName().getIdentifier());
@@ -116,8 +115,7 @@ public boolean isNativeUnique() {
 	boolean result = true;
 	String name = getName();
 	JNIMethod[] methods = declaringClass.getDeclaredMethods();
-	for (int i = 0; i < methods.length; i++) {
-		JNIMethod mth = methods[i];
+	for (JNIMethod mth : methods) {
 		if ((mth.getModifiers() & Modifier.NATIVE) != 0 &&
 			this != mth && !this.equals(mth) &&
 			name.equals(mth.getName()))
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/AbstractItem.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/AbstractItem.java
index 181d347b4d..bf40e0064d 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/AbstractItem.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/AbstractItem.java
@@ -31,8 +31,7 @@ public String flatten() {
 	Set<String> set = params.keySet();
 	String[] keys = set.toArray(new String[set.size()]);
 	Arrays.sort(keys);
-	for (int j = 0; j < keys.length; j++) {
-		String key = keys[j];
+	for (String key : keys) {
 		Object value = params.get(key);
 		String valueStr = "";
 		if (value instanceof String) {
@@ -77,8 +76,8 @@ public String[] getFlags() {
 @Override
 public boolean getFlag(String flag) {
 	String[] flags = getFlags();
-	for (int i = 0; i < flags.length; i++) {
-		if (flags[i].equals(flag)) return true;
+	for (String flag2 : flags) {
+		if (flag2.equals(flag)) return true;
 	}
 	return false;
 }
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupClass.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupClass.java
index 8f4cc1c977..fa768cdcf1 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupClass.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupClass.java
@@ -99,8 +99,7 @@ void loadDirectory(File file) {
 	if (entries == null) {
 		entries = new String[0];
 	}
-	for (int i = 0; i < entries.length; i++) {
-		String entry = entries[i];
+	for (String entry : entries) {
 		File f = new File(file, entry);
 		if (!f.isDirectory()) {
 			if (f.getAbsolutePath().endsWith(".java")) {
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupConstants.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupConstants.java
index 69b58d0608..d0192c7b14 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupConstants.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupConstants.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2017 IBM Corporation and others.
+ * Copyright (c) 2004, 2018 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -40,8 +40,7 @@ public void generate(JNIClass clazz) {
 
 public void generate(JNIField[] fields) {
 	sort(fields);
-	for (int i = 0; i < fields.length; i++) {
-		JNIField field = fields[i];
+	for (JNIField field : fields) {
 		if ((field.getModifiers() & Modifier.FINAL) == 0) continue;
 		generate(field);
 	}
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupNatives.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupNatives.java
index db66465645..293f759c9f 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupNatives.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/CleanupNatives.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2017 IBM Corporation and others.
+ * Copyright (c) 2004, 2018 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -29,8 +29,7 @@ public void generate(JNIClass clazz) {
 
 public void generate(JNIMethod[] methods) {
 	sort(methods);	
-	for (int i = 0; i < methods.length; i++) {
-		JNIMethod method = methods[i];
+	for (JNIMethod method : methods) {
 		if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
 		generate(method);
 	}
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ConstantsGenerator.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ConstantsGenerator.java
index 8bce4db357..385371f676 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ConstantsGenerator.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ConstantsGenerator.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2013 IBM Corporation and others.
+ * Copyright (c) 2004, 2018 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -10,7 +10,7 @@
  *******************************************************************************/
 package org.eclipse.swt.tools.internal;
 
-import java.lang.reflect.Modifier;
+import java.lang.reflect.*;
 
 public class ConstantsGenerator extends JNIGenerator {
 
@@ -23,8 +23,7 @@ public void generate(JNIClass clazz) {
 public void generate(JNIField[] fields) {
 	sort(fields);
 	outputln("int main() {");
-	for (int i = 0; i < fields.length; i++) {
-		JNIField field = fields[i];
+	for (JNIField field : fields) {
 		if ((field.getModifiers() & Modifier.FINAL) == 0) continue;
 		generate(field);
 	}
@@ -52,8 +51,7 @@ public static void main(String[] args) {
 	}
 	try {
 		ConstantsGenerator gen = new ConstantsGenerator();
-		for (int i = 0; i < args.length; i++) {
-			String clazzName = args[i];
+		for (String clazzName : args) {
 			Class<?> clazz = Class.forName(clazzName);
 			gen.generate(new ReflectClass(clazz));
 		}
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/EmbedMetaData.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/EmbedMetaData.java
index 1c457c13ef..23694e775c 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/EmbedMetaData.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/EmbedMetaData.java
@@ -49,8 +49,7 @@ public void generate(JNIClass clazz) {
 }
 
 public void generate(JNIField[] fields) {
-	for (int i = 0; i < fields.length; i++) {
-		JNIField field = fields[i];
+	for (JNIField field : fields) {
 		int mods = field.getModifiers();
 		if ((mods & Modifier.PUBLIC) == 0) continue;
 		if ((mods & Modifier.FINAL) != 0) continue;
@@ -70,8 +69,7 @@ public void generate(JNIField field) {
 }
 
 public void generate(JNIMethod[] methods) {
-	for (int i = 0; i < methods.length; i++) {
-		JNIMethod method = methods[i];
+	for (JNIMethod method : methods) {
 		if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
 		generate(method);
 	}
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGenerator.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGenerator.java
index 110167a12d..83557aabbe 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGenerator.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGenerator.java
@@ -131,8 +131,7 @@ static String getFunctionName(JNIMethod method, JNIType[] paramTypes) {
 		StringBuilder buffer = new StringBuilder();
 		buffer.append(function);
 		buffer.append("__");
-		for (int i = 0; i < paramTypes.length; i++) {
-			JNIType paramType = paramTypes[i];
+		for (JNIType paramType : paramTypes) {
 			buffer.append(toC(paramType.getTypeSignature(false)));
 		}
 		return buffer.toString();
@@ -217,8 +216,7 @@ public void generate() {
 	generateAutoGenNote();
 	generateIncludes();
 	sort(classes);
-	for (int i = 0; i < classes.length; i++) {
-		JNIClass clazz = classes[i];
+	for (JNIClass clazz : classes) {
 		if (getGenerate(clazz)) generate(clazz);
 		if (progress != null) progress.step();
 	}
@@ -238,8 +236,7 @@ public JNIClass[] getClasses() {
 }
 
 public boolean getCPP() {
-	for (int i = 0; i < classes.length; i++) {
-		JNIClass clazz = classes[i];
+	for (JNIClass clazz : classes) {
 		if (clazz.getFlag(FLAG_CPP)) {
 			return true;
 		}
@@ -272,8 +269,7 @@ public String getOutputName() {
 }
 
 public boolean getM() {
-	for (int i = 0; i < classes.length; i++) {
-		JNIClass clazz = classes[i];
+	for (JNIClass clazz : classes) {
 		if (clazz.getFlag(FLAG_M)) {
 			return true;
 		}
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGeneratorApp.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGeneratorApp.java
index 8a9ed8723d..6125715888 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGeneratorApp.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGeneratorApp.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2017 IBM Corporation and others.
+ * Copyright (c) 2004, 2018 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -226,11 +226,9 @@ public void generate(ProgressMonitor progress) {
 	this.progress = progress;
 	if (progress != null) {
 		int nativeCount = 0;
-		for (int i = 0; i < natives.length; i++) {
-			JNIClass clazz = natives[i];
+		for (JNIClass clazz : natives) {
 			JNIMethod[] methods = clazz.getDeclaredMethods();
-			for (int j = 0; j < methods.length; j++) {
-				JNIMethod method = methods[j];
+			for (JNIMethod method : methods) {
 				if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
 				nativeCount++;
 			}
@@ -299,8 +297,7 @@ String[] getClassNames() {
 				if(entries == null) {
 					entries = new String[0];
 				}
-				for (int i = 0; i < entries.length; i++) {
-					String entry = entries[i];
+				for (String entry : entries) {
 					File f = new File(file, entry);
 					if (!f.isDirectory()) {
 						if (f.getAbsolutePath().endsWith(".class")) {
@@ -354,8 +351,7 @@ JNIClass[] getASTClasses() {
 	if (files == null) {
 		files = new File[0];
 	}
-	for (int i = 0; i < files.length; i++) {
-		File file = files[i];
+	for (File file : files) {
 		try {
 			String path = file.getAbsolutePath().replace('\\', '/');
 			if (path.endsWith(".java")) {
@@ -381,11 +377,9 @@ JNIClass[] getASTClasses() {
 public JNIClass[] getNativesClasses(JNIClass[] classes) {
 	if (mainClass == null) return new JNIClass[0];
 	List<JNIClass> result = new ArrayList<>();
-	for (int i = 0; i < classes.length; i++) {
-		JNIClass clazz = classes[i];
+	for (JNIClass clazz : classes) {
 		JNIMethod[] methods = clazz.getDeclaredMethods();
-		for (int j = 0; j < methods.length; j++) {
-			JNIMethod method = methods[j];
+		for (JNIMethod method : methods) {
 			int mods = method.getModifiers();
 			if ((mods & Modifier.NATIVE) != 0) {
 				result.add(clazz);
@@ -410,8 +404,7 @@ public JNIClass[] getStructureClasses(JNIClass[] classes) {
 		}
 		JNIField[] fields = clazz.getDeclaredFields();
 		boolean hasPublicFields = false;
-		for (int j = 0; j < fields.length; j++) {
-			JNIField field = fields[j];
+		for (JNIField field : fields) {
 			int mods = field.getModifiers();
 			if ((mods & Modifier.PUBLIC) != 0 && (mods & Modifier.STATIC) == 0) {
 				hasPublicFields = true;
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGeneratorAppUI.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGeneratorAppUI.java
index 7a0834b38b..21274bd229 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGeneratorAppUI.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/JNIGeneratorAppUI.java
@@ -152,8 +152,7 @@ void generateAll() {
 	shell.setCursor(cursor);
 	shell.setEnabled(false);
 	Control[] children = actionsPanel.getChildren();
-	for (int i = 0; i < children.length; i++) {
-		Control child = children[i];
+	for (Control child : children) {
 		if (child instanceof Button) child.setEnabled(false);				
 	}
 	boolean showProgress = true;
@@ -201,8 +200,7 @@ void generateAll() {
 	while (!done[0]) {
 		if (!display.readAndDispatch()) display.sleep();
 	}
-	for (int i = 0; i < children.length; i++) {
-		Control child = children[i];
+	for (Control child : children) {
 		if (child instanceof Button) child.setEnabled(true);				
 	}
 	if (showProgress) {
@@ -240,8 +238,7 @@ JNIMethod[] getSelectedMethods() {
 	TableItem[] selection = membersLt.getSelection();
 	JNIMethod[] methods = new JNIMethod[selection.length];
 	int count = 0;
-	for (int i = 0; i < selection.length; i++) {
-		TableItem item = selection [i];
+	for (TableItem item : selection) {
 		Object data = item.getData();
 		if (data instanceof JNIMethod) {
 			methods[count++] = (JNIMethod)data;
@@ -259,8 +256,7 @@ JNIField[] getSelectedFields() {
 	TableItem[] selection = membersLt.getSelection();
 	JNIField[] fields = new JNIField[selection.length];
 	int count = 0;
-	for (int i = 0; i < selection.length; i++) {
-		TableItem item = selection [i];
+	for (TableItem item : selection) {
 		Object data = item.getData();
 		if (data instanceof JNIField) {
 			fields[count++] = (JNIField)data;
@@ -915,8 +911,7 @@ String getClassString(JNIType type) {
 String getFlagsString(String[] flags) {
 	if (flags.length == 0) return "";
 	StringBuilder buffer = new StringBuilder();
-	for (int j = 0; j < flags.length; j++) {
-		String flag = flags[j];
+	for (String flag : flags) {
 		if (buffer.length() != 0) buffer.append(", ");
 		buffer.append(flag);
 	}
@@ -958,8 +953,7 @@ void updateClasses() {
 		item.setChecked(clazz.getGenerate());
 	}
 	TableColumn[] columns = classesLt.getColumns();
-	for (int i = 0; i < columns.length; i++) {
-		TableColumn column = columns[i];
+	for (TableColumn column : columns) {
 		column.pack();
 	}
 	classesLt.setSelection(mainIndex);
@@ -969,8 +963,7 @@ void updateMembers() {
 	membersLt.removeAll();
 	membersLt.setHeaderVisible(false);
 	TableColumn[] columns = membersLt.getColumns();
-	for (int i = 0; i < columns.length; i++) {
-		TableColumn column = columns[i];
+	for (TableColumn column : columns) {
 		column.dispose();
 	}
 	int[] indices = classesLt.getSelectionIndices();
@@ -979,8 +972,7 @@ void updateMembers() {
 	JNIClass clazz = (JNIClass)classItem.getData();
 	boolean hasNatives = false;
 	JNIMethod[] methods = clazz.getDeclaredMethods();
-	for (int i = 0; i < methods.length; i++) {
-		JNIMethod method = methods[i];
+	for (JNIMethod method : methods) {
 		int mods = method.getModifiers();
 		if (hasNatives =((mods & Modifier.NATIVE) != 0)) break;
 	}
@@ -998,8 +990,7 @@ void updateMembers() {
 		column.setText("Exclude");
 		*/
 		JNIGenerator.sort(methods);
-		for (int i = 0; i < methods.length; i++) {
-			JNIMethod method = methods[i];
+		for (JNIMethod method : methods) {
 			if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
 			TableItem item = new TableItem(membersLt, SWT.NONE);
 			item.setData(method);
@@ -1026,8 +1017,7 @@ void updateMembers() {
 		column.setText("Exclude");
 		*/
 		JNIField[] fields = clazz.getDeclaredFields();	
-		for (int i = 0; i < fields.length; i++) {
-			JNIField field = fields[i];
+		for (JNIField field : fields) {
 			int mods = field.getModifiers(); 
 			if (((mods & Modifier.PUBLIC) == 0) ||
 				((mods & Modifier.FINAL) != 0) ||
@@ -1045,8 +1035,7 @@ void updateMembers() {
 		}
 	}
 	columns = membersLt.getColumns();
-	for (int i = 0; i < columns.length; i++) {
-		TableColumn column = columns[i];
+	for (TableColumn column : columns) {
 		column.pack();
 	}
 	membersLt.setHeaderVisible(true);
@@ -1076,8 +1065,7 @@ void updateParameters() {
 		item.setText(PARAM_FLAGS_COLUMN, getFlagsString(param.getFlags()));
 	}
 	TableColumn[] columns = paramsLt.getColumns();
-	for (int i = 0; i < columns.length; i++) {
-		TableColumn column = columns[i];
+	for (TableColumn column : columns) {
 		column.pack();
 	}
 	paramsLt.setRedraw(true);
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/MetaDataGenerator.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/MetaDataGenerator.java
index 44f58a34d1..284516f41c 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/MetaDataGenerator.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/MetaDataGenerator.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2017 IBM Corporation and others.
+ * Copyright (c) 2004, 2018 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -33,8 +33,7 @@ public void generate(JNIClass clazz) {
 }
 
 public void generate(JNIField[] fields) {
-	for (int i = 0; i < fields.length; i++) {
-		JNIField field = fields[i];
+	for (JNIField field : fields) {
 		int mods = field.getModifiers();
 		if ((mods & Modifier.PUBLIC) == 0) continue;
 		if ((mods & Modifier.FINAL) != 0) continue;
@@ -54,8 +53,7 @@ public void generate(JNIField field) {
 
 public void generate(JNIMethod[] methods) {
 	sort(methods);
-	for (int i = 0; i < methods.length; i++) {
-		JNIMethod method = methods[i];
+	for (JNIMethod method : methods) {
 		if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
 		generate(method);
 		outputln();
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/NativesGenerator.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/NativesGenerator.java
index f4ae947c36..c8583e58b5 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/NativesGenerator.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/NativesGenerator.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2017 IBM Corporation and others.
+ * Copyright (c) 2004, 2018 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -72,8 +72,7 @@ public void generate(JNIClass clazz) {
 
 public void generate(JNIMethod[] methods) {
 	sort(methods);	
-	for (int i = 0; i < methods.length; i++) {
-		JNIMethod method = methods[i];
+	for (JNIMethod method : methods) {
 		if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
 		generate(method);
 		if (progress != null) progress.step();
@@ -223,8 +222,7 @@ public void setEnterExitMacro(boolean enterExitMacro) {
 
 void generateExcludes(JNIMethod[] methods) {
 	HashSet<String> excludes = new HashSet<>();
-	for (int i = 0; i < methods.length; i++) {
-		JNIMethod method = methods[i];
+	for (JNIMethod method : methods) {
 		if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
 		String exclude = method.getExclude();
 		if (exclude.length() != 0) {
@@ -233,8 +231,7 @@ void generateExcludes(JNIMethod[] methods) {
 	}
 	for (String exclude: excludes) {
 		outputln(exclude);
-		for (int i = 0; i < methods.length; i++) {
-			JNIMethod method = methods[i];
+		for (JNIMethod method : methods) {
 			if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
 			String methodExclude = method.getExclude();
 			if (exclude.equals(methodExclude)) {
@@ -523,8 +520,7 @@ boolean generateLocalVars(JNIParameter[] params, JNIType returnType, JNIType ret
 boolean generateGetters(JNIMethod method, JNIParameter[] params) {
 	boolean genFailTag = false;
 	int criticalCount = 0;
-	for (int i = 0; i < params.length; i++) {
-		JNIParameter param = params[i];
+	for (JNIParameter param : params) {
 		if (!isCritical(param)) {
 			genFailTag |= generateGetParameter(method, param, false, 1);
 		} else {
@@ -532,8 +528,7 @@ boolean generateGetters(JNIMethod method, JNIParameter[] params) {
 		}
 	}
 	if (criticalCount != 0) {
-		for (int i = 0; i < params.length; i++) {
-			JNIParameter param = params[i];
+		for (JNIParameter param : params) {
 			if (isCritical(param)) {
 				genFailTag |= generateGetParameter(method, param, true, 2);
 			}
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ReflectField.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ReflectField.java
index 6cc20a87f1..da668963e0 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ReflectField.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ReflectField.java
@@ -97,7 +97,7 @@ public String getAccessor() {
 @Override
 public String getCast() {
 	String cast = ((String)getParam("cast")).trim();
-	if (cast.length() > 0) {
+	if (!cast.isEmpty()) {
 		if (!cast.startsWith("(")) cast = "(" + cast;
 		if (!cast.endsWith(")")) cast = cast + ")";
 	}
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ReflectMethod.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ReflectMethod.java
index aef0caf4c9..e8a68ed299 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ReflectMethod.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ReflectMethod.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2015 IBM Corporation and others.
+ * Copyright (c) 2004, 2018 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -128,8 +128,7 @@ public boolean isNativeUnique() {
 	boolean result = true;
 	String name = getName();
 	JNIMethod[] methods = declaringClass.getDeclaredMethods();
-	for (int i = 0; i < methods.length; i++) {
-		JNIMethod mth = methods[i];
+	for (JNIMethod mth : methods) {
 		if ((mth.getModifiers() & Modifier.NATIVE) != 0 &&
 			this != mth && !this.equals(mth) &&
 			name.equals(mth.getName()))
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/SizeofGenerator.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/SizeofGenerator.java
index 872a31c0c9..a56ea3f517 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/SizeofGenerator.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/SizeofGenerator.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2013 IBM Corporation and others.
+ * Copyright (c) 2004, 2018 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -10,7 +10,7 @@
  *******************************************************************************/
 package org.eclipse.swt.tools.internal;
 
-import java.lang.reflect.Modifier;
+import java.lang.reflect.*;
 
 public class SizeofGenerator extends JNIGenerator {
 
@@ -36,8 +36,7 @@ public void generate() {
 
 public void generate(JNIField[] fields) {
 	sort(fields);	
-	for (int i = 0; i < fields.length; i++) {
-		JNIField field = fields[i];
+	for (JNIField field : fields) {
 		if ((field.getModifiers() & Modifier.FINAL) == 0) continue;
 		generate(field);
 	}
@@ -58,8 +57,7 @@ public static void main(String[] args) {
 	}
 	try {
 		SizeofGenerator gen = new SizeofGenerator();
-		for (int i = 0; i < args.length; i++) {
-			String clazzName = args[i];
+		for (String clazzName : args) {
 			Class<?> clazz = Class.forName(clazzName);
 			gen.generate(new ReflectClass(clazz));
 		}
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/StatsGenerator.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/StatsGenerator.java
index f6d766bb49..8ccab69987 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/StatsGenerator.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/StatsGenerator.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2013 IBM Corporation and others.
+ * Copyright (c) 2004, 2018 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -10,7 +10,7 @@
  *******************************************************************************/
 package org.eclipse.swt.tools.internal;
 
-import java.lang.reflect.Modifier;
+import java.lang.reflect.*;
 
 public class StatsGenerator extends JNIGenerator {
 
@@ -110,8 +110,7 @@ void generateSourceFile(JNIClass clazz) {
 	output(className);
 	outputln("_nativeFunctionNames[] = {");
 	sort(methods);
-	for (int i = 0; i < methods.length; i++) {
-		JNIMethod method = methods[i];
+	for (JNIMethod method : methods) {
 		if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
 		String function = getFunctionName(method), function64 = getFunctionName(method, method.getParameterTypes64());
 		if (!function.equals(function64)) {
@@ -193,8 +192,7 @@ void generateStatsNatives(String className) {
 void generateFunctionEnum(JNIMethod[] methods) {
 	if (methods.length == 0) return;
 	outputln("typedef enum {");
-	for (int i = 0; i < methods.length; i++) {
-		JNIMethod method = methods[i];
+	for (JNIMethod method : methods) {
 		if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
 		String function = getFunctionName(method), function64 = getFunctionName(method, method.getParameterTypes64());
 		if (!function.equals(function64)) {
diff --git a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/StructsGenerator.java b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/StructsGenerator.java
index bc8d30c6cd..f58d9c9e77 100644
--- a/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/StructsGenerator.java
+++ b/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/StructsGenerator.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2017 IBM Corporation and others.
+ * Copyright (c) 2004, 2018 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -80,8 +80,7 @@ public String getSuffix() {
 
 void generateExcludes(JNIClass[] classes) {
 	HashSet<String> excludes = new HashSet<>();
-	for (int i = 0; i < classes.length; i++) {
-		JNIClass clazz = classes[i];
+	for (JNIClass clazz : classes) {
 		String exclude = clazz.getExclude();
 		if (exclude.length() != 0) {
 			excludes.add(exclude);
@@ -89,8 +88,7 @@ void generateExcludes(JNIClass[] classes) {
 	}
 	for (String exclude : excludes) {
 		outputln(exclude);
-		for (int i = 0; i < classes.length; i++) {
-			JNIClass clazz = classes[i];
+		for (JNIClass clazz : classes) {
 			String classExclude = clazz.getExclude();
 			if (exclude.equals(classExclude)) {
 				output("#define NO_");
@@ -201,8 +199,7 @@ void generateFIDsStructure(JNIClass clazz) {
 	output("\tjfieldID ");
 	JNIField[] fields = clazz.getDeclaredFields();
 	boolean first = true;
-	for (int i = 0; i < fields.length; i++) {
-		JNIField field = fields[i];
+	for (JNIField field : fields) {
 		if (ignoreField(field)) continue;
 		if (!first) output(", ");
 		output(field.getName());
@@ -248,8 +245,7 @@ void generateCacheFunction(JNIClass clazz) {
 	}
 	outputln();
 	JNIField[] fields = clazz.getDeclaredFields();
-	for (int i = 0; i < fields.length; i++) {
-		JNIField field = fields[i];
+	for (JNIField field : fields) {
 		if (ignoreField(field)) continue;
 		output("\t");
 		output(clazzName);
@@ -293,8 +289,7 @@ void generateGetFields(JNIClass clazz) {
 		}
 	}
 	JNIField[] fields = clazz.getDeclaredFields();
-	for (int i = 0; i < fields.length; i++) {
-		JNIField field = fields[i];
+	for (JNIField field : fields) {
 		if (ignoreField(field)) continue;
 		String exclude = field.getExclude();
 		if (exclude.length() != 0) {
@@ -447,8 +442,7 @@ void generateSetFields(JNIClass clazz) {
 		}
 	}
 	JNIField[] fields = clazz.getDeclaredFields();
-	for (int i = 0; i < fields.length; i++) {
-		JNIField field = fields[i];
+	for (JNIField field : fields) {
 		if (ignoreField(field)) continue;
 		String exclude = field.getExclude();
 		if (exclude.length() != 0) {