r4sas/lightning-i2p
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Fix that NullPointerException should NEVER be thrown by programmer, make exceptions more informative, simplify code logic, flip equals() on strings

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...and other small fixes
This commit is contained in:
Miłosz Sieradzki 2014-07-25 20:18:44 +02:00
parent c7b97621c7
commit 3c8e46188a
1 changed files with 50 additions and 53 deletions
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103
src/acr/browser/lightning/WebAddress.java
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@ -10,8 +10,6 @@ import java.util.regex.Pattern;
import static android.util.Patterns.GOOD_IRI_CHAR;
/**
* {@hide}
*
* Web Address Parser
*
* This is called WebAddress, rather than URL or URI, because it attempts to
@ -54,14 +52,13 @@ public class WebAddress {
/* anchor */".*", Pattern.CASE_INSENSITIVE);
/**
* parses given uriString.
* Parses given URI-like string.
*/
public WebAddress(String address) throws Exception {
if (address == null) {
throw new NullPointerException();
}
public WebAddress(String address) {
// android.util.Log.d(LOGTAG, "WebAddress: " + address);
if (address == null) {
throw new IllegalArgumentException("address can't be null");
}
mScheme = "";
mHost = "";
@ -71,73 +68,73 @@ public class WebAddress {
Matcher m = sAddressPattern.matcher(address);
String t;
if (m.matches()) {
t = m.group(MATCH_GROUP_SCHEME);
if (t != null) {
mScheme = t.toLowerCase(Locale.ROOT);
}
t = m.group(MATCH_GROUP_AUTHORITY);
if (t != null) {
mAuthInfo = t;
}
t = m.group(MATCH_GROUP_HOST);
if (t != null) {
mHost = t;
}
t = m.group(MATCH_GROUP_PORT);
if (t != null && t.length() > 0) {
// The ':' character is not returned by the regex.
try {
mPort = Integer.parseInt(t);
} catch (NumberFormatException ex) {
throw new Exception();
}
}
t = m.group(MATCH_GROUP_PATH);
if (t != null && t.length() > 0) {
/*
* handle busted myspace frontpage redirect with missing initial
* "/"
*/
if (t.charAt(0) == '/') {
mPath = t;
} else {
mPath = "/" + t;
}
}
if (!m.matches()) {
throw new IllegalArgumentException("Parsing of address '" +
address + "' failed");
}
} else {
// nothing found... outa here
throw new Exception();
t = m.group(MATCH_GROUP_SCHEME);
if (t != null) {
mScheme = t.toLowerCase(Locale.ROOT);
}
t = m.group(MATCH_GROUP_AUTHORITY);
if (t != null) {
mAuthInfo = t;
}
t = m.group(MATCH_GROUP_HOST);
if (t != null) {
mHost = t;
}
t = m.group(MATCH_GROUP_PORT);
if (t != null && !t.isEmpty()) {
// The ':' character is not returned by the regex.
try {
mPort = Integer.parseInt(t);
} catch (NumberFormatException ex) {
throw new RuntimeException("Parsing of port number failed", ex);
}
}
t = m.group(MATCH_GROUP_PATH);
if (t != null && !t.isEmpty()) {
/*
* handle busted myspace frontpage redirect with missing initial
* "/"
*/
if (t.charAt(0) == '/') {
mPath = t;
} else {
mPath = '/' + t;
}
}
/*
* Get port from scheme or scheme from port, if necessary and possible
*/
if (mPort == 443 && mScheme.equals("")) {
if (mPort == 443 && "".equals(mScheme)) {
mScheme = "https";
} else if (mPort == -1) {
if (mScheme.equals("https")) {
if ("https".equals(mScheme)) {
mPort = 443;
} else {
mPort = 80; // default
}
}
if (mScheme.equals("")) {
if ("".equals(mScheme)) {
mScheme = "http";
}
}
@Override
public String toString() {
String port = "";
if ((mPort != 443 && mScheme.equals("https"))
|| (mPort != 80 && mScheme.equals("http"))) {
port = ":" + Integer.toString(mPort);
if ((mPort != 443 && "https".equals(mScheme))
|| (mPort != 80 && "http".equals(mScheme))) {
port = ':' + Integer.toString(mPort);
}
String authInfo = "";
if (mAuthInfo.length() > 0) {
authInfo = mAuthInfo + "@";
if (!mAuthInfo.isEmpty()) {
authInfo = mAuthInfo + '@';
}
return mScheme + "://" + authInfo + mHost + port + mPath;