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Merge pull request #740 from SamWhited/jidrpfix
Fix RFC 6122 implementation
This commit is contained in:
Daniel Gultsch
commit
138345c5bf
@ -12,25 +12,25 @@ import gnu.inet.encoding.StringprepException;
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*/
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public final class Jid {
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private final String localpart;
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private final String domainpart;
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private final String resourcepart;
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private final String localpart;
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private final String domainpart;
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private final String resourcepart;
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// It's much more efficient to store the ful JID as well as the parts instead of figuring them
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// all out every time (since some characters are displayed but aren't used for comparisons).
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private final String displayjid;
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// It's much more efficient to store the ful JID as well as the parts instead of figuring them
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// all out every time (since some characters are displayed but aren't used for comparisons).
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private final String displayjid;
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public String getLocalpart() {
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return localpart;
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}
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public String getLocalpart() {
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return localpart;
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}
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public String getDomainpart() {
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return IDN.toUnicode(domainpart);
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}
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public String getDomainpart() {
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return IDN.toUnicode(domainpart);
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}
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public String getResourcepart() {
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return resourcepart;
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}
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public String getResourcepart() {
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return resourcepart;
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}
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public static Jid fromSessionID(SessionID id) throws InvalidJidException{
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if (id.getUserID().isEmpty()) {
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@ -40,152 +40,154 @@ public final class Jid {
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}
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}
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public static Jid fromString(final String jid) throws InvalidJidException {
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return new Jid(jid);
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}
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public static Jid fromString(final String jid) throws InvalidJidException {
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return new Jid(jid);
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}
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public static Jid fromParts(final String localpart,
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final String domainpart,
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final String resourcepart) throws InvalidJidException {
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String out;
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if (localpart == null || localpart.isEmpty()) {
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out = domainpart;
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} else {
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out = localpart + "@" + domainpart;
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}
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if (resourcepart != null && !resourcepart.isEmpty()) {
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out = out + "/" + resourcepart;
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}
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return new Jid(out);
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}
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public static Jid fromParts(final String localpart,
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final String domainpart,
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final String resourcepart) throws InvalidJidException {
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String out;
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if (localpart == null || localpart.isEmpty()) {
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out = domainpart;
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} else {
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out = localpart + "@" + domainpart;
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}
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if (resourcepart != null && !resourcepart.isEmpty()) {
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out = out + "/" + resourcepart;
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}
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return new Jid(out);
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}
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private Jid(final String jid) throws InvalidJidException {
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// Hackish Android way to count the number of chars in a string... should work everywhere.
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final int atCount = jid.length() - jid.replace("@", "").length();
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final int slashCount = jid.length() - jid.replace("/", "").length();
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private Jid(final String jid) throws InvalidJidException {
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// Hackish Android way to count the number of chars in a string... should work everywhere.
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final int atCount = jid.length() - jid.replace("@", "").length();
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final int slashCount = jid.length() - jid.replace("/", "").length();
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// Throw an error if there's anything obvious wrong with the JID...
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if (jid.isEmpty() || jid.length() > 3071) {
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throw new InvalidJidException(InvalidJidException.INVALID_LENGTH);
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}
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if (atCount > 1 || slashCount > 1 ||
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jid.startsWith("@") || jid.endsWith("@") ||
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jid.startsWith("/") || jid.endsWith("/")) {
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throw new InvalidJidException(InvalidJidException.INVALID_CHARACTER);
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}
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// Throw an error if there's anything obvious wrong with the JID...
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if (jid.isEmpty() || jid.length() > 3071) {
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throw new InvalidJidException(InvalidJidException.INVALID_LENGTH);
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}
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String finaljid;
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// Go ahead and check if the localpart or resourcepart is empty.
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if (jid.startsWith("@") || (jid.endsWith("@") && slashCount == 0) || jid.startsWith("/") || (jid.endsWith("/") && slashCount < 2)) {
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throw new InvalidJidException(InvalidJidException.INVALID_CHARACTER);
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}
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final int domainpartStart;
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if (atCount == 1) {
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final int atLoc = jid.indexOf("@");
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final String lp = jid.substring(0, atLoc);
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try {
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localpart = Stringprep.nodeprep(lp);
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} catch (final StringprepException e) {
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throw new InvalidJidException(InvalidJidException.STRINGPREP_FAIL, e);
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}
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if (localpart.isEmpty() || localpart.length() > 1023) {
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throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
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}
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domainpartStart = atLoc + 1;
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finaljid = lp + "@";
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} else {
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localpart = "";
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finaljid = "";
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domainpartStart = 0;
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}
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String finaljid;
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final String dp;
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if (slashCount == 1) {
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final int slashLoc = jid.indexOf("/");
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final String rp = jid.substring(slashLoc + 1, jid.length());
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try {
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resourcepart = Stringprep.resourceprep(rp);
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} catch (final StringprepException e) {
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throw new InvalidJidException(InvalidJidException.STRINGPREP_FAIL, e);
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}
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if (resourcepart.isEmpty() || resourcepart.length() > 1023) {
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throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
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}
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dp = IDN.toUnicode(jid.substring(domainpartStart, slashLoc), IDN.USE_STD3_ASCII_RULES);
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finaljid = finaljid + dp + "/" + rp;
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} else {
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resourcepart = "";
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dp = IDN.toUnicode(jid.substring(domainpartStart, jid.length()),
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IDN.USE_STD3_ASCII_RULES);
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finaljid = finaljid + dp;
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}
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final int domainpartStart;
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final int atLoc = jid.indexOf("@");
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final int slashLoc = jid.indexOf("/");
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// If there is no "@" in the JID (eg. "example.net" or "example.net/resource")
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// or there are one or more "@" signs but they're all in the resourcepart (eg. "example.net/@/rp@"):
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if (atCount == 0 || (atCount > 0 && slashLoc != -1 && atLoc > slashLoc)) {
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localpart = "";
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finaljid = "";
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domainpartStart = 0;
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} else {
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final String lp = jid.substring(0, atLoc);
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try {
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localpart = Stringprep.nodeprep(lp);
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} catch (final StringprepException e) {
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throw new InvalidJidException(InvalidJidException.STRINGPREP_FAIL, e);
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}
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if (localpart.isEmpty() || localpart.length() > 1023) {
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throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
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}
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domainpartStart = atLoc + 1;
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finaljid = lp + "@";
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}
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// Remove trailing "." before storing the domain part.
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if (dp.endsWith(".")) {
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try {
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domainpart = IDN.toASCII(dp.substring(0, dp.length() - 1), IDN.USE_STD3_ASCII_RULES);
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} catch (final IllegalArgumentException e) {
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throw new InvalidJidException(e);
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}
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} else {
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try {
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domainpart = IDN.toASCII(dp, IDN.USE_STD3_ASCII_RULES);
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} catch (final IllegalArgumentException e) {
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throw new InvalidJidException(e);
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}
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}
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final String dp;
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if (slashCount > 0) {
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final String rp = jid.substring(slashLoc + 1, jid.length());
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try {
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resourcepart = Stringprep.resourceprep(rp);
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} catch (final StringprepException e) {
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throw new InvalidJidException(InvalidJidException.STRINGPREP_FAIL, e);
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}
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if (resourcepart.isEmpty() || resourcepart.length() > 1023) {
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throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
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}
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dp = IDN.toUnicode(jid.substring(domainpartStart, slashLoc), IDN.USE_STD3_ASCII_RULES);
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finaljid = finaljid + dp + "/" + rp;
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} else {
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resourcepart = "";
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dp = IDN.toUnicode(jid.substring(domainpartStart, jid.length()),
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IDN.USE_STD3_ASCII_RULES);
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finaljid = finaljid + dp;
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}
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// TODO: Find a proper domain validation library; validate individual parts, separators, etc.
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if (domainpart.isEmpty() || domainpart.length() > 1023) {
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throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
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}
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// Remove trailing "." before storing the domain part.
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if (dp.endsWith(".")) {
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try {
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domainpart = IDN.toASCII(dp.substring(0, dp.length() - 1), IDN.USE_STD3_ASCII_RULES);
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} catch (final IllegalArgumentException e) {
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throw new InvalidJidException(e);
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}
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} else {
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try {
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domainpart = IDN.toASCII(dp, IDN.USE_STD3_ASCII_RULES);
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} catch (final IllegalArgumentException e) {
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throw new InvalidJidException(e);
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}
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}
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this.displayjid = finaljid;
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}
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// TODO: Find a proper domain validation library; validate individual parts, separators, etc.
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if (domainpart.isEmpty() || domainpart.length() > 1023) {
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throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH);
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}
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public Jid toBareJid() {
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try {
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return resourcepart.isEmpty() ? this : fromParts(localpart, domainpart, "");
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} catch (final InvalidJidException e) {
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// This should never happen.
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return null;
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}
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}
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this.displayjid = finaljid;
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}
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public Jid toDomainJid() {
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try {
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return resourcepart.isEmpty() && localpart.isEmpty() ? this : fromString(getDomainpart());
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} catch (final InvalidJidException e) {
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// This should never happen.
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return null;
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}
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}
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public Jid toBareJid() {
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try {
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return resourcepart.isEmpty() ? this : fromParts(localpart, domainpart, "");
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} catch (final InvalidJidException e) {
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// This should never happen.
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return null;
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}
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}
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@Override
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public String toString() {
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return displayjid;
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}
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public Jid toDomainJid() {
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try {
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return resourcepart.isEmpty() && localpart.isEmpty() ? this : fromString(getDomainpart());
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} catch (final InvalidJidException e) {
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// This should never happen.
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return null;
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}
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}
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@Override
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public boolean equals(final Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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@Override
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public String toString() {
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return displayjid;
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}
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final Jid jid = (Jid) o;
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@Override
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public boolean equals(final Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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return jid.hashCode() == this.hashCode();
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}
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final Jid jid = (Jid) o;
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@Override
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public int hashCode() {
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int result = localpart.hashCode();
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result = 31 * result + domainpart.hashCode();
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result = 31 * result + resourcepart.hashCode();
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return result;
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}
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return jid.hashCode() == this.hashCode();
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}
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public boolean hasLocalpart() {
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return !localpart.isEmpty();
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}
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@Override
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public int hashCode() {
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int result = localpart.hashCode();
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result = 31 * result + domainpart.hashCode();
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result = 31 * result + resourcepart.hashCode();
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return result;
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}
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public boolean isBareJid() {
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return this.resourcepart.isEmpty();
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}
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public boolean hasLocalpart() {
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return !localpart.isEmpty();
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}
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public boolean isBareJid() {
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return this.resourcepart.isEmpty();
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}
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}
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