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Fixed content length check in XmlValidationModeDetector 

Issue: SPR-11477
This commit is contained in:
Juergen Hoeller 2014-02-28 14:00:32 +01:00
parent bc5af2c6b6
commit 1763bfbad0
1 changed files with 5 additions and 4 deletions
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9
spring-core/src/main/java/org/springframework/util/xml/XmlValidationModeDetector.java
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@ -1,5 +1,5 @@
/* /*
* Copyright 2002-2007 the original author or authors. * Copyright 2002-2014 the original author or authors.
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -123,7 +123,7 @@ public class XmlValidationModeDetector {
* Does the content contain the the DTD DOCTYPE declaration? * Does the content contain the the DTD DOCTYPE declaration?
*/ */
private boolean hasDoctype(String content) { private boolean hasDoctype(String content) {
return (content.indexOf(DOCTYPE) > -1); return content.contains(DOCTYPE);
} }
/** /**
@ -136,7 +136,8 @@ public class XmlValidationModeDetector {
return false; return false;
} }
int openTagIndex = content.indexOf('<'); int openTagIndex = content.indexOf('<');
return (openTagIndex > -1 && content.length() > openTagIndex && Character.isLetter(content.charAt(openTagIndex + 1))); return (openTagIndex > -1 && (content.length() > openTagIndex + 1) &&
Character.isLetter(content.charAt(openTagIndex + 1)));
} }
/** /**
@ -146,7 +147,7 @@ public class XmlValidationModeDetector {
* the DOCTYPE declaration or the root element of the document. * the DOCTYPE declaration or the root element of the document.
*/ */
private String consumeCommentTokens(String line) { private String consumeCommentTokens(String line) {
if (line.indexOf(START_COMMENT) == -1 && line.indexOf(END_COMMENT) == -1) { if (!line.contains(START_COMMENT) && !line.contains(END_COMMENT)) {
return line; return line;
} }
while ((line = consume(line)) != null) { while ((line = consume(line)) != null) {