Fix violations

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270906 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/AntClassLoader.java

@@ -262,7 +262,7 @@ public class AntClassLoader extends ClassLoader implements BuildListener {
             String[] pathElements = actualClasspath.list();
             for (int i = 0; i < pathElements.length; ++i) {
                 try {
-                    addPathElement((String)pathElements[i]);
+                    addPathElement(pathElements[i]);
                 }
                 catch (BuildException e) {
                     // ignore path elements which are invalid relative to the project

src/main/org/apache/tools/ant/taskdefs/Ant.java

@@ -1,7 +1,7 @@
 /*
  * The Apache Software License, Version 1.1
  *
- * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
+ * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights
  * reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -146,7 +146,8 @@ public class Ant extends Task {
 
     private void reinit() {
         init();
-        for (int i=0; i<properties.size(); i++) {
+        final int count = properties.size();
+        for (int i = 0; i < count; i++) {
             Property p = (Property) properties.elementAt(i);
             Property newP = (Property) newProject.createTask("property");
             newP.setName(p.getName());
@@ -165,7 +166,8 @@ public class Ant extends Task {
 
     private void initializeProject() {
         Vector listeners = project.getBuildListeners();
-        for (int i = 0; i < listeners.size(); i++) {
+        final int count = properties.size();
+        for (int i = 0; i < count; i++) {
             newProject.addBuildListener((BuildListener)listeners.elementAt(i));
         }
 
@@ -205,10 +207,9 @@ public class Ant extends Task {
 
         // set user-defined or all properties from calling project
         Hashtable prop1;
-        if (inheritAll == true) {
+        if (inheritAll) {
            prop1 = project.getProperties();
-        }
-        else {
+        } else {
            prop1 = project.getUserProperties();
 
            // set Java built-in properties separately,
@@ -225,7 +226,7 @@ public class Ant extends Task {
             }
             
             String value = (String) prop1.get(arg);
-            if (inheritAll == true){
+            if (inheritAll){
                newProject.setProperty(arg, value);
             } else {
                newProject.setUserProperty(arg, value);
@@ -236,8 +237,7 @@ public class Ant extends Task {
     protected void handleOutput(String line) {
         if (newProject != null) {
             newProject.demuxOutput(line, false);
-        }
-        else {
+        } else {
             super.handleOutput(line);
         }
     }
@@ -245,8 +245,7 @@ public class Ant extends Task {
     protected void handleErrorOutput(String line) {
         if (newProject != null) {
             newProject.demuxOutput(line, true);
-        }
-        else {
+        } else {
             super.handleErrorOutput(line);
         }
     }
@@ -260,7 +259,7 @@ public class Ant extends Task {
                 reinit();
             }
         
-            if ( (dir == null) && (inheritAll == true) ) {
+            if ( (dir == null) && (inheritAll) ) {
                 dir = project.getBaseDir();
             }
 
@@ -344,7 +343,7 @@ public class Ant extends Task {
                     continue;
                 }
 
-                Object o = thisReferences.remove(refid);
+                thisReferences.remove(refid);
                 String toRefid = ref.getToRefid();
                 if (toRefid == null) {
                     toRefid = refid;

src/main/org/apache/tools/ant/taskdefs/AntStructure.java

@@ -1,7 +1,7 @@
 /*
  * The Apache Software License, Version 1.1
  *
- * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
+ * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights
  * reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -253,21 +253,22 @@ public class AntStructure extends Task {
 
         Enumeration enum = ih.getNestedElements();
         while (enum.hasMoreElements()) {
-            v.addElement((String) enum.nextElement());
+            v.addElement(enum.nextElement());
         }
 
         if (v.isEmpty()) {
             sb.append("EMPTY");
         } else {
             sb.append("(");
-            for (int i=0; i<v.size(); i++) {
+            final int count = v.size();
+            for (int i = 0; i < count; i++) {
                 if (i != 0) {
                     sb.append(" | ");
                 }
                 sb.append(v.elementAt(i));
             }
             sb.append(")");
-            if (v.size() > 1 || !v.elementAt(0).equals("#PCDATA")) {
+            if (count > 1 || !v.elementAt(0).equals("#PCDATA")) {
                 sb.append("*");
             }
         }
@@ -324,7 +325,8 @@ public class AntStructure extends Task {
         sb.append(">").append(lSep);
         out.println(sb);
 
-        for (int i=0; i<v.size(); i++) {
+        final int count = v.size();
+        for (int i = 0; i < count; i++) {
             String nestedName = (String) v.elementAt(i);
             if (!"#PCDATA".equals(nestedName) &&
                 !TASKS.equals(nestedName) &&
@@ -341,7 +343,8 @@ public class AntStructure extends Task {
      * Does this String match the XML-NMTOKEN production?
      */
     protected boolean isNmtoken(String s) {
-        for (int i = 0; i < s.length(); i++) {
+        final int length = s.length();
+        for (int i = 0; i < length; i++) {
             char c = s.charAt(i);
             // XXX - we are ommitting CombiningChar and Extender here
             if (!Character.isLetterOrDigit(c) &&

src/main/org/apache/tools/ant/taskdefs/Checksum.java

@@ -360,13 +360,13 @@ public class Checksum extends MatchingTask implements Condition {
                 fis.close();
                 fis = null;
                 byte[] fileDigest = messageDigest.digest ();
-                String checksum = "";
+                StringBuffer checksum = new StringBuffer();
                 for (int i = 0; i < fileDigest.length; i++) {
                     String hexStr = Integer.toHexString(0x00ff & fileDigest[i]);
                     if (hexStr.length() < 2) {
-                        checksum += "0";
+                        checksum.append("0");
                     }
-                    checksum += hexStr;
+                    checksum.append(hexStr);
                 }
                 //can either be a property name string or a file
                 Object destination = includeFileMap.get(src);
@@ -375,7 +375,7 @@ public class Checksum extends MatchingTask implements Condition {
                     if (isCondition) {
                         checksumMatches = checksum.equals(property);
                     } else {
-                        project.setProperty(prop, checksum);
+                        project.setProperty(prop, checksum.toString());
                     }
                 } else if (destination instanceof java.io.File) {
                     if (isCondition) {
@@ -398,7 +398,7 @@ public class Checksum extends MatchingTask implements Condition {
                     } else {
                         File dest = (File) destination;
                         fos = new FileOutputStream(dest);
-                        fos.write(checksum.getBytes());
+                        fos.write(checksum.toString().getBytes());
                         fos.close();
                         fos = null;
                     }