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Fix #150 again by moving towards a more RFC 2822-compliant definition of valid syntax

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git-svn-id: https://zxing.googlecode.com/svn/trunk@872 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2009-03-06 15:17:38 +00:00
parent 83f6b96f82
commit 415c9257d6
2 changed files with 20 additions and 9 deletions
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27
core/src/com/google/zxing/client/result/EmailDoCoMoResultParser.java
View file

@ -27,6 +27,9 @@ import com.google.zxing.Result;
*/
final class EmailDoCoMoResultParser extends AbstractDoCoMoResultParser {
private static final char[] ATEXT_SYMBOLS =
{'@','.','!','#','$','%','&','\'','*','+','-','/','=','?','^','_','`','{','|','}','~'};
public static EmailAddressParsedResult parse(Result result) {
String rawText = result.getText();
if (rawText == null || !rawText.startsWith("MATMSG:")) {
@ -47,8 +50,8 @@ final class EmailDoCoMoResultParser extends AbstractDoCoMoResultParser {
/**
* This implements only the most basic checking for an email address's validity -- that it contains
* an '@' and a '.', and that it contains no space or LF.
* We want to generally be lenient here since this class is only intended to encapsulate what's
* an '@' contains no characters disallowed by RFC 2822. This is an overly lenient definition of
* validity. We want to generally be lenient here since this class is only intended to encapsulate what's
* in a barcode, not "judge" it.
*/
static boolean isBasicallyValidEmailAddress(String email) {
@ -56,21 +59,29 @@ final class EmailDoCoMoResultParser extends AbstractDoCoMoResultParser {
return false;
}
boolean atFound = false;
boolean periodFound = false;
for (int i = 0; i < email.length(); i++) {
char c = email.charAt(i);
if ((c < 'a' || c > 'z') && (c < 'A' || c > 'Z') && (c < '0' || c > '9') &&
!isAtextSymbol(c)) {
return false;
}
if (c == '@') {
if (atFound) {
return false;
}
atFound = true;
} else if (c == '.') {
periodFound = true;
} else if (c == ' ' || c == '\n') {
return false;
}
}
return atFound && periodFound;
return atFound;
}
private static boolean isAtextSymbol(char c) {
for (int i = 0; i < ATEXT_SYMBOLS.length; i++) {
if (c == ATEXT_SYMBOLS[i]) {
return true;
}
}
return false;
}
}

2
core/test/src/com/google/zxing/client/result/ParsedReaderResultTestCase.java
View file

@ -73,7 +73,7 @@ public final class ParsedReaderResultTestCase extends TestCase {
doTestResult("srowen@example.org", "srowen@example.org", ParsedResultType.EMAIL_ADDRESS);
doTestResult("mailto:srowen@example.org", "srowen@example.org", ParsedResultType.EMAIL_ADDRESS);
doTestResult("MAILTO:srowen@example.org", "srowen@example.org", ParsedResultType.EMAIL_ADDRESS);
doTestResult("srowen@example", "srowen@example", ParsedResultType.TEXT);
doTestResult("srowen@example", "srowen@example", ParsedResultType.EMAIL_ADDRESS);
doTestResult("srowen", "srowen", ParsedResultType.TEXT);
doTestResult("Let's meet @ 2", "Let's meet @ 2", ParsedResultType.TEXT);
}