Use preferred spelling for "cannot"

src/main/java/org/apache/commons/jexl3/JexlArithmetic.java

@@ -981,7 +981,7 @@ public Boolean isEmpty(final Object object) {
      * Check for emptiness of various types: Number, Collection, Array, Map, String.
      *
      * @param object the object to check the emptiness of
-     * @param def the default value if object emptiness can not be determined
+     * @param def the default value if object emptiness cannot be determined
      * @return the boolean or null if there is no arithmetic solution
      */
     public Boolean isEmpty(final Object object, final Boolean def) {
@@ -1453,7 +1453,7 @@ public Number narrowNumber(final Number original, final Class<?> narrow) {
                     value = big.longValueExact();
                     // continue in sequence to try and further reduce
                 } catch (final ArithmeticException xa) {
-                    // if it is bigger than a double, it can not be narrowed
+                    // if it is bigger than a double, it cannot be narrowed
                     if (big.compareTo(BIGD_DOUBLE_MAX_VALUE) > 0
                         || big.compareTo(BIGD_DOUBLE_MIN_VALUE) < 0) {
                         return original;
@@ -1472,7 +1472,7 @@ public Number narrowNumber(final Number original, final Class<?> narrow) {
                     // else it can be represented as a long
                 } else if (original instanceof BigInteger) {
                     final BigInteger bigi = (BigInteger) original;
-                    // if it is bigger than a Long, it can not be narrowed
+                    // if it is bigger than a Long, it cannot be narrowed
                     if (!BigInteger.valueOf(bigi.longValue()).equals(bigi)) {
                         return original;
                     }
@@ -1642,7 +1642,7 @@ public Object or(final Object left, final Object right) {
      * <>Empty string is considered as 0.</>
      * @param arg the arg
      * @return a BigDecimal
-     * @throws CoercionException if the string can not be coerced into a BigDecimal
+     * @throws CoercionException if the string cannot be coerced into a BigDecimal
      */
     private BigDecimal parseBigDecimal(final String arg) throws ArithmeticException {
         try {
@@ -1659,7 +1659,7 @@ private BigDecimal parseBigDecimal(final String arg) throws ArithmeticException
      * <>Empty string is considered as 0.</>
      * @param arg the arg
      * @return a big integer
-     * @throws ArithmeticException if the string can not be coerced into a big integer
+     * @throws ArithmeticException if the string cannot be coerced into a big integer
      */
     private BigInteger parseBigInteger(final String arg) throws ArithmeticException {
         try {
@@ -1676,7 +1676,7 @@ private BigInteger parseBigInteger(final String arg) throws ArithmeticException
      * <>Empty string is considered as NaN.</>
      * @param arg the arg
      * @return a double
-     * @throws ArithmeticException if the string can not be coerced into a double
+     * @throws ArithmeticException if the string cannot be coerced into a double
      */
     private double parseDouble(final String arg) throws ArithmeticException {
         try {
@@ -1693,7 +1693,7 @@ private double parseDouble(final String arg) throws ArithmeticException {
      * <p>This ensure the represented number is a natural (not a real).</p>
      * @param arg the arg
      * @return an int
-     * @throws ArithmeticException if the string can not be coerced into a long
+     * @throws ArithmeticException if the string cannot be coerced into a long
      */
     private int parseInteger(final String arg) throws ArithmeticException {
         final long l = parseLong(arg);
@@ -1709,7 +1709,7 @@ private int parseInteger(final String arg) throws ArithmeticException {
      * <p>This ensure the represented number is a natural (not a real).</p>
      * @param arg the arg
      * @return a long
-     * @throws ArithmeticException if the string can not be coerced into a long
+     * @throws ArithmeticException if the string cannot be coerced into a long
      */
     private long parseLong(final String arg) throws ArithmeticException {
         final double d = parseDouble(arg);
@@ -1737,7 +1737,7 @@ public static Integer parseIdentifier(final Object id) {
         if (id instanceof CharSequence) {
             final CharSequence str = (CharSequence) id;
             final int length = str.length();
-            // can not be empty string and can not be longer than Integer.MAX_VALUE representation
+            // cannot be empty string and cannot be longer than Integer.MAX_VALUE representation
             if (length > 0 && length <= 10) {
                 int val = 0;
                 for (int i = 0; i < length; ++i) {
@@ -1877,7 +1877,7 @@ public Integer size(final Object object) {
      * Calculate the {@code size} of various types: Collection, Array, Map, String.
      *
      * @param object the object to get the size of
-     * @param def the default value if object size can not be determined
+     * @param def the default value if object size cannot be determined
      * @return the size of object or null if there is no arithmetic solution
      */
     public Integer size(final Object object, final Integer def) {

src/main/java/org/apache/commons/jexl3/JexlFeatures.java

@@ -36,7 +36,7 @@
  * are the recommended starting points to selectively enable or disable chosen features.</p>
  * <ul>
  * <li>Registers: register syntax (#number), used internally for {g,s}etProperty
- * <li>Reserved Names: a set of reserved variable names that can not be used as local variable (or parameter) names
+ * <li>Reserved Names: a set of reserved variable names that cannot be used as local variable (or parameter) names
  * <li>Global Side Effect : assigning/modifying values on global variables (=, += , -=, ...)
  * <li>Lexical: lexical scope, prevents redefining local variables
  * <li>Lexical Shade: local variables shade globals, prevents confusing a global variable with a local one
@@ -265,7 +265,7 @@ public static String stringify(final int feature) {
     /** The feature flags. */
     private long flags;
 
-    /** The set of reserved names, aka global variables that can not be masked by local variables or parameters. */
+    /** The set of reserved names, aka global variables that cannot be masked by local variables or parameters. */
     private Set<String> reservedNames;
 
     /** The namespace names. */

src/main/java/org/apache/commons/jexl3/internal/Engine.java

@@ -365,7 +365,7 @@ public Engine(final JexlBuilder conf) {
         this.cache = (JexlCache<Source, ASTJexlScript>) (conf.cache() > 0 ? factory.apply(conf.cache()) : null);
         this.cacheThreshold = conf.cacheThreshold();
         if (uberspect == null) {
-            throw new IllegalArgumentException("uberspect can not be null");
+            throw new IllegalArgumentException("uberspect cannot be null");
         }
     }
 

src/main/java/org/apache/commons/jexl3/internal/FqcnResolver.java

@@ -62,7 +62,7 @@ final class FqcnResolver implements JexlContext.ClassNameResolver {
      */
     FqcnResolver(final FqcnResolver solver) {
         if (solver == null) {
-            throw new NullPointerException("parent solver can not be null");
+            throw new NullPointerException("parent solver cannot be null");
         }
         this.parent = solver;
         this.uberspect = solver.uberspect;

src/main/java/org/apache/commons/jexl3/internal/Interpreter.java

@@ -565,7 +565,7 @@ protected Object executeAssign(final JexlNode node, final JexlOperator assignop,
                     return actual; // 1
                 }
                 object = getVariable(frame, block, variable);
-                // top level is a symbol, can not be an antish var
+                // top level is a symbol, cannot be an antish var
                 antish = false;
             } else {
                 // check we are not assigning direct global
@@ -582,7 +582,7 @@ protected Object executeAssign(final JexlNode node, final JexlOperator assignop,
                     return actual; // 2
                 }
                 object = context.get(name);
-                // top level accesses object, can not be an antish var
+                // top level accesses object, cannot be an antish var
                 if (object != null) {
                     antish = false;
                 }
@@ -673,7 +673,7 @@ protected Object executeAssign(final JexlNode node, final JexlOperator assignop,
             throw new JexlException(objectNode, "illegal assignment form");
         }
         // we may have a null property as in map[null], no check needed.
-        // we can not *have* a null object though.
+        // we cannot *have* a null object though.
         if (object == null) {
             // no object, we fail
             return unsolvableProperty(objectNode, "<null>.<?>", true, null);

src/main/java/org/apache/commons/jexl3/internal/InterpreterBase.java

@@ -1041,7 +1041,7 @@ protected Object undefinedVariable(final JexlNode node, final String variable) {
     }
 
     /**
-     * Triggered when a method can not be resolved.
+     * Triggered when a method cannot be resolved.
      * @param node   the node where the error originated from
      * @param method the method name
      * @return throws JexlException if strict and not silent, null otherwise
@@ -1051,7 +1051,7 @@ protected Object unsolvableMethod(final JexlNode node, final String method) {
     }
 
     /**
-     * Triggered when a method can not be resolved.
+     * Triggered when a method cannot be resolved.
      * @param node   the node where the error originated from
      * @param method the method name
      * @param args the method arguments
@@ -1068,7 +1068,7 @@ protected Object unsolvableMethod(final JexlNode node, final String method, fina
     }
 
     /**
-     * Triggered when a property can not be resolved.
+     * Triggered when a property cannot be resolved.
      * @param node  the node where the error originated from
      * @param property   the property node
      * @param cause the cause if any
@@ -1086,7 +1086,7 @@ protected Object unsolvableProperty(final JexlNode node, final String property,
     }
 
     /**
-     * Triggered when a variable can not be resolved.
+     * Triggered when a variable cannot be resolved.
      * @param node  the node where the error originated from
      * @param variable   the variable name
      * @param undef whether the variable is undefined or null

src/main/java/org/apache/commons/jexl3/internal/TemplateEngine.java

@@ -224,7 +224,7 @@ final class ConstantExpression extends TemplateExpression {
         ConstantExpression(final Object val, final TemplateExpression source) {
             super(source);
             if (val == null) {
-                throw new NullPointerException("constant can not be null");
+                throw new NullPointerException("constant cannot be null");
             }
             this.value = val instanceof String
                     ? StringParser.buildTemplate((String) val, false)
@@ -487,7 +487,7 @@ final class NestedExpression extends JexlBasedExpression {
         NestedExpression(final CharSequence expr, final JexlNode node, final TemplateExpression source) {
             super(expr, node, source);
             if (this.source != this) {
-                throw new IllegalArgumentException("Nested TemplateExpression can not have a source");
+                throw new IllegalArgumentException("Nested TemplateExpression cannot have a source");
             }
         }
 

src/main/java/org/apache/commons/jexl3/internal/TemplateScript.java

@@ -104,7 +104,7 @@ private static Scope scopeOf(final JexlNode.Info info) {
      * Creates a new template from an character input.
      * @param engine the template engine
      * @param jexlInfo the source info
-     * @param directive the prefix for lines of code; can not be "$", "${", "#" or "#{"
+     * @param directive the prefix for lines of code; cannot be "$", "${", "#" or "#{"
                   since this would preclude being able to differentiate directives and jxlt expressions
      * @param reader    the input reader
      * @param parms     the parameter names

src/main/java/org/apache/commons/jexl3/internal/introspection/SandboxUberspect.java

@@ -55,10 +55,10 @@ private static boolean eq(final Object lhs, final Object rhs) {
      */
     public SandboxUberspect(final JexlUberspect theUberspect, final JexlSandbox theSandbox) {
         if (theSandbox == null) {
-            throw new NullPointerException("sandbox can not be null");
+            throw new NullPointerException("sandbox cannot be null");
         }
         if (theUberspect == null) {
-            throw new NullPointerException("uberspect can not be null");
+            throw new NullPointerException("uberspect cannot be null");
         }
         this.uberspect = theUberspect;
         this.sandbox = theSandbox.copy();

src/main/java/org/apache/commons/jexl3/internal/introspection/Uberspect.java

@@ -348,7 +348,7 @@ public JexlPropertyGet getPropertyGet(
                         }
                         break;
                     case FIELD:
-                        // a field may be? (can not be a number)
+                        // a field may be? (cannot be a number)
                         executor = FieldGetExecutor.discover(is, clazz, property);
                         // static class fields (enums included)
                         if (obj instanceof Class<?>) {

src/main/java/org/apache/commons/jexl3/introspection/JexlPermissions.java

@@ -299,15 +299,15 @@ public JexlPermissions compose(final String... src) {
      *   class0 {
      *     class1 {} # the whole class1 is hidden
      *     class2 {
-     *         class2(); # class2 constructors can not be invoked
+     *         class2(); # class2 constructors cannot be invoked
      *         class3 {
-     *             aMethod(); # aMethod can not be called
-     *             aField; # aField can not be accessed
+     *             aMethod(); # aMethod cannot be called
+     *             aField; # aField cannot be accessed
      *         }
      *     } # end of class2
-     *     class0(); # class0 constructors can not be invoked
-     *     method(); # method can not be called
-     *     field; # field can not be accessed
+     *     class0(); # class0 constructors cannot be invoked
+     *     method(); # method cannot be called
+     *     field; # field cannot be accessed
      *   } # end class0
      * } # end package my.package
      * </pre>
@@ -323,7 +323,7 @@ static JexlPermissions parse(final String... src) {
     /**
      * Checks whether a class allows JEXL introspection.
      * <p>If the class disallows JEXL introspection, none of its constructors, methods or fields
-     * as well as derived classes are visible to JEXL and can not be used in scripts or expressions.
+     * as well as derived classes are visible to JEXL and cannot be used in scripts or expressions.
      * If one of its super-classes is not allowed, tbe class is not allowed either.</p>
      * <p>For interfaces, only methods and fields are disallowed in derived interfaces or implementing classes.</p>
      * @param clazz the class to check
@@ -334,7 +334,7 @@ static JexlPermissions parse(final String... src) {
 
     /**
      * Checks whether a constructor allows JEXL introspection.
-     * <p>If a constructor is not allowed, the new operator can not be used to instantiate its declared class
+     * <p>If a constructor is not allowed, the new operator cannot be used to instantiate its declared class
      * in scripts or expressions.</p>
      * @param ctor the constructor to check
      * @return true if JEXL is allowed to introspect, false otherwise
@@ -344,15 +344,15 @@ static JexlPermissions parse(final String... src) {
 
     /**
      * Checks whether a field explicitly disallows JEXL introspection.
-     * <p>If a field is not allowed, it can not resolved and accessed in scripts or expressions.</p>
+     * <p>If a field is not allowed, it cannot resolved and accessed in scripts or expressions.</p>
      * @param field the field to check
      * @return true if JEXL is allowed to introspect, false otherwise
      * @since 3.3
      */
     boolean allow(final Field field);
     /**
      * Checks whether a method allows JEXL introspection.
-     * <p>If a method is not allowed, it can not resolved and called in scripts or expressions.</p>
+     * <p>If a method is not allowed, it cannot resolved and called in scripts or expressions.</p>
      * <p>Since methods can be overridden and overloaded, this also checks that no superclass or interface
      * explicitly disallows this methods.</p>
      * @param method the method to check
@@ -364,7 +364,7 @@ static JexlPermissions parse(final String... src) {
     /**
      * Checks whether a package allows JEXL introspection.
      * <p>If the package disallows JEXL introspection, none of its classes or interfaces are visible
-     * to JEXL and can not be used in scripts or expression.</p>
+     * to JEXL and cannot be used in scripts or expression.</p>
      * @param pack the package
      * @return true if JEXL is allowed to introspect, false otherwise
      * @since 3.3

src/main/java/org/apache/commons/jexl3/introspection/JexlSandbox.java

@@ -267,7 +267,7 @@ public Permissions get(final String clazz) {
      */
     @SuppressWarnings("null")
     public Permissions get(final Class<?> clazz) {
-        // argument clazz can not be null since permissions would be not null and block:
+        // argument clazz cannot be null since permissions would be not null and block:
         // we only store the result for classes we actively seek permissions for.
         return compute(clazz, true);
     }

src/main/java/org/apache/commons/jexl3/introspection/JexlUberspect.java

@@ -128,7 +128,7 @@ interface ResolverStrategy {
          * Applies this strategy to a list of resolver types.
          *
          * @param operator the property access operator, may be null
-         * @param obj      the instance we seek to obtain a property setter/getter from, can not be null
+         * @param obj      the instance we seek to obtain a property setter/getter from, cannot be null
          * @return the ordered list of resolvers types, must not be null
          */
         List<PropertyResolver> apply(JexlOperator operator, Object obj);

src/main/java/org/apache/commons/jexl3/parser/JexlNode.java

@@ -177,7 +177,7 @@ public int getLine() {
 
     /**
      * Whether this node is a constant node.
-     * <p>Its value can not change after the first evaluation and can be cached
+     * <p>Its value cannot change after the first evaluation and can be cached
      * indefinitely.</p>
      *
      * @return true if constant, false otherwise

src/main/java/org/apache/commons/jexl3/parser/JexlParser.java

@@ -302,7 +302,7 @@ protected String checkVariable(final ASTIdentifier identifier, final String name
                 identifier.setSymbol(symbol, name);
                 if (!declared) {
                     if (getFeatures().isLexicalShade()) {
-                        // can not reuse a local as a global
+                        // cannot reuse a local as a global
                         throw new JexlException.Parsing(info, name + ": variable is not declared").clean();
                     }
                     identifier.setShaded(true);
@@ -836,7 +836,7 @@ protected void throwFeatureException(final int feature, final JexlInfo info) {
      * Throws a feature exception.
      * @param feature the feature code
      * @param trigger the token that triggered it
-     * @throws JexlException.Parsing if actual error token can not be found
+     * @throws JexlException.Parsing if actual error token cannot be found
      * @throws JexlException.Feature in all other cases
      */
     protected void throwFeatureException(final int feature, final Token trigger) {

src/test/java/org/apache/commons/jexl3/ClassCreatorTest.java

@@ -315,7 +315,7 @@ public void testFunctorThree() throws Exception {
 
     @Test
     public void testMany() throws Exception {
-        // abort test if class creator can not run
+        // abort test if class creator cannot run
         if (!ClassCreator.canRun) {
             return;
         }
@@ -407,7 +407,7 @@ public void testMany() throws Exception {
 
     @Test
     public void testOne() throws Exception {
-        // abort test if class creator can not run
+        // abort test if class creator cannot run
         if (!ClassCreator.canRun) {
             logger.warn("unable to create classes");
             return;

src/test/java/org/apache/commons/jexl3/Issues200Test.java

@@ -494,7 +494,7 @@ public boolean has(final String name) {
             @Override
             public void set(final String name, final Object value) {
                 if ("java".equals(name)) {
-                    throw new JexlException(null, "can not set " + name);
+                    throw new JexlException(null, "cannot set " + name);
                 }
                 super.set(name, value);
             }