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Polishing

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This commit is contained in:
Juergen Hoeller
2014-07-24 18:35:49 +02:00
parent fca72f6b65
commit 6e95b2613e
78 changed files with 467 additions and 463 deletions
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41
spring-expression/src/main/java/org/springframework/expression/spel/standard/InternalSpelExpressionParser.java
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@@ -316,13 +316,15 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
SpelNodeImpl expr = null;
if (peekToken(TokenKind.DOT,TokenKind.SAFE_NAVI)) {
expr = eatDottedNode();
} else {
}
else {
expr = maybeEatNonDottedNode();
}
if (expr==null) {
return false;
} else {
}
else {
push(expr);
return true;
}
@@ -572,7 +574,8 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
List<SpelNodeImpl> listElements = new ArrayList<SpelNodeImpl>();
do {
listElements.add(eatExpression());
} while (peekToken(TokenKind.COMMA,true));
}
while (peekToken(TokenKind.COMMA,true));
closingCurly = eatToken(TokenKind.RCURLY);
expr = new InlineList(toPos(t.startpos,closingCurly.endpos),listElements.toArray(new SpelNodeImpl[listElements.size()]));
@@ -599,7 +602,7 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
}
nextToken();
SpelNodeImpl expr = eatExpression();
if(expr == null) {
if (expr == null) {
raiseInternalException(toPos(t), SpelMessage.MISSING_SELECTION_EXPRESSION);
}
eatToken(TokenKind.RSQUARE);
@@ -624,13 +627,13 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
Token node = peekToken();
while (isValidQualifiedId(node)) {
nextToken();
if(node.kind != TokenKind.DOT) {
if (node.kind != TokenKind.DOT) {
qualifiedIdPieces.add(new Identifier(node.stringValue(),toPos(node)));
}
node = peekToken();
}
if(qualifiedIdPieces.isEmpty()) {
if(node == null) {
if (qualifiedIdPieces.isEmpty()) {
if (node == null) {
raiseInternalException( this.expressionString.length(), SpelMessage.OOD);
}
raiseInternalException(node.startpos, SpelMessage.NOT_EXPECTED_TOKEN,
@@ -641,10 +644,10 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
}
private boolean isValidQualifiedId(Token node) {
if(node == null || node.kind == TokenKind.LITERAL_STRING) {
if (node == null || node.kind == TokenKind.LITERAL_STRING) {
return false;
}
if(node.kind == TokenKind.DOT || node.kind == TokenKind.IDENTIFIER) {
if (node.kind == TokenKind.DOT || node.kind == TokenKind.IDENTIFIER) {
return true;
}
String value = node.stringValue();
@@ -667,9 +670,7 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
// TODO what is the end position for a method reference? the name or the last arg?
return true;
}
return false;
}
//constructor
@@ -784,7 +785,7 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
// | GREATER_THAN_OR_EQUAL | INSTANCEOF | BETWEEN | MATCHES
private Token maybeEatRelationalOperator() {
Token t = peekToken();
if (t==null) {
if (t == null) {
return null;
}
if (t.isNumericRelationalOperator()) {
@@ -807,10 +808,10 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
private Token eatToken(TokenKind expectedKind) {
Token t = nextToken();
if (t==null) {
if (t == null) {
raiseInternalException( this.expressionString.length(), SpelMessage.OOD);
}
if (t.kind!=expectedKind) {
if (t.kind != expectedKind) {
raiseInternalException(t.startpos,SpelMessage.NOT_EXPECTED_TOKEN, expectedKind.toString().toLowerCase(),t.getKind().toString().toLowerCase());
}
return t;
@@ -825,7 +826,7 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
return false;
}
Token t = peekToken();
if (t.kind==desiredTokenKind) {
if (t.kind == desiredTokenKind) {
if (consumeIfMatched) {
this.tokenStreamPointer++;
}
@@ -835,7 +836,7 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
if (desiredTokenKind == TokenKind.IDENTIFIER) {
// might be one of the textual forms of the operators (e.g. NE for != ) - in which case we can treat it as an identifier
// The list is represented here: Tokenizer.alternativeOperatorNames and those ones are in order in the TokenKind enum
if (t.kind.ordinal()>=TokenKind.DIV.ordinal() && t.kind.ordinal()<=TokenKind.NOT.ordinal() && t.data!=null) {
if (t.kind.ordinal() >= TokenKind.DIV.ordinal() && t.kind.ordinal() <= TokenKind.NOT.ordinal() && t.data != null) {
// if t.data were null, we'd know it wasn't the textual form, it was the symbol form
return true;
}
@@ -848,7 +849,7 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
return false;
}
Token t = peekToken();
return t.kind == possible1 || t.kind == possible2;
return (t.kind == possible1 || t.kind == possible2);
}
private boolean peekToken(TokenKind possible1,TokenKind possible2, TokenKind possible3) {
@@ -924,14 +925,14 @@ class InternalSpelExpressionParser extends TemplateAwareExpressionParser {
}
/**
* Compress the start and end of a token into a single int
* Compress the start and end of a token into a single int.
*/
private int toPos(Token t) {
return (t.startpos<<16)+t.endpos;
return (t.startpos<<16) + t.endpos;
}
private int toPos(int start,int end) {
return (start<<16)+end;
return (start<<16) + end;
}
}