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SMACK-225 Converted abstract class to interface, added missing hashcode method, fixed typos and some minor name changes and added licensing text
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/branches/smack_3_3_0@13600 b35dd754-fafc-0310-a699-88a17e54d16e
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0a1e72bb5f
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7 changed files with 81 additions and 23 deletions
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@ -203,6 +203,36 @@ last release.
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to use these icons outside of Smack.</li>
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to use these icons outside of Smack.</li>
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<li>Third-party source code is licensed as noted in their source files.
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<li>Third-party source code is licensed as noted in their source files.
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<li>Third-party binary code is licensed as follows.
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<pre>
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<b>dnsjava</b> <a href="http://dnsjava.org">(http://dnsjava.org)</a>
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Copyright (c) 1999-2005, Brian Wellington
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the dnsjava project nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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</pre></li>
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</ul>
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</ul>
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</div>
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</div>
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@ -22,18 +22,19 @@ import org.xbill.DNS.Lookup;
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import org.xbill.DNS.Record;
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import org.xbill.DNS.Record;
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import org.xbill.DNS.Type;
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import org.xbill.DNS.Type;
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public class DNSJavaResolver extends DNSResolver {
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/**
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* This implementation uses the <a href="http://www.dnsjava.org/">dnsjava</a> implementation for resolving DNS addresses.
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*
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*/
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public class DNSJavaResolver implements DNSResolver {
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private static DNSJavaResolver instance;
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private static DNSJavaResolver instance = new DNSJavaResolver();
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private DNSJavaResolver() {
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private DNSJavaResolver() {
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}
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}
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public static DNSResolver getInstance() {
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public static DNSResolver getInstance() {
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if (instance == null) {
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instance = new DNSJavaResolver();
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}
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return instance;
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return instance;
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}
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}
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@ -17,8 +17,17 @@ package org.jivesoftware.smack.util.dns;
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import java.util.List;
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import java.util.List;
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public abstract class DNSResolver {
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/**
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* Implementations of this interface define a class that is capable of resolving DNS addresses.
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*
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*/
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public interface DNSResolver {
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public abstract List<SRVRecord> lookupSRVRecords(String name);
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/**
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* Gets a list of service records for the specified service.
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* @param name The symbolic name of the service.
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* @return The list of SRV records mapped to the service name.
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*/
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List<SRVRecord> lookupSRVRecords(String name);
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}
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}
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@ -23,10 +23,10 @@ public class HostAddress {
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/**
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/**
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* Creates a new HostAddress with the given FQDN. The port will be set to the default XMPP client port: 5222
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* Creates a new HostAddress with the given FQDN. The port will be set to the default XMPP client port: 5222
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*
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*
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* @param fqdn
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* @param fqdn Fully qualified domain name.
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* @throws IllegalArgumentException
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* @throws IllegalArgumentException If the fqdn is null.
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*/
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*/
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public HostAddress(String fqdn) throws IllegalArgumentException {
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public HostAddress(String fqdn) {
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if (fqdn == null)
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if (fqdn == null)
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throw new IllegalArgumentException("FQDN is null");
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throw new IllegalArgumentException("FQDN is null");
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if (fqdn.charAt(fqdn.length() - 1) == '.') {
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if (fqdn.charAt(fqdn.length() - 1) == '.') {
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@ -39,7 +39,14 @@ public class HostAddress {
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this.port = 5222;
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this.port = 5222;
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}
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}
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public HostAddress(String fqdn, int port) throws IllegalArgumentException {
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/**
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* Creates a new HostAddress with the given FQDN. The port will be set to the default XMPP client port: 5222
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*
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* @param fqdn Fully qualified domain name.
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* @param port The port to connect on.
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* @throws IllegalArgumentException If the fqdn is null or port is out of valid range (0 - 65535).
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*/
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public HostAddress(String fqdn, int port) {
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this(fqdn);
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this(fqdn);
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if (port < 0 || port > 65535)
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if (port < 0 || port > 65535)
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throw new IllegalArgumentException(
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throw new IllegalArgumentException(
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@ -60,10 +67,12 @@ public class HostAddress {
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this.exception = e;
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this.exception = e;
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}
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}
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@Override
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public String toString() {
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public String toString() {
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return fqdn + ":" + port;
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return fqdn + ":" + port;
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}
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}
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@Override
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public boolean equals(Object o) {
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public boolean equals(Object o) {
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if (this == o) {
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if (this == o) {
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return true;
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return true;
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@ -80,6 +89,13 @@ public class HostAddress {
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return port == address.port;
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return port == address.port;
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}
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}
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@Override
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public int hashCode() {
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int result = 1;
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result = 37 * result + fqdn.hashCode();
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return result * 37 + port;
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}
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public String getErrorMessage() {
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public String getErrorMessage() {
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String error;
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String error;
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if (exception == null) {
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if (exception == null) {
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@ -28,12 +28,12 @@ import javax.naming.directory.InitialDirContext;
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import org.jivesoftware.smack.util.DNSUtil;
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import org.jivesoftware.smack.util.DNSUtil;
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/**
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/**
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* A DNS resolver (mostly for SRV records), which makes use of the API provided in the javax.* namepsace.
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* A DNS resolver (mostly for SRV records), which makes use of the API provided in the javax.* namespace.
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*
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*
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* @author Florian Schmaus
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* @author Florian Schmaus
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*
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*
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*/
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*/
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public class JavaxResolver extends DNSResolver {
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public class JavaxResolver implements DNSResolver {
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private static JavaxResolver instance;
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private static JavaxResolver instance;
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private static DirContext dirContext;
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private static DirContext dirContext;
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@ -48,14 +48,14 @@ public class JavaxResolver extends DNSResolver {
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}
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}
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// Try to set this DNS resolver as primary one
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// Try to set this DNS resolver as primary one
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DNSUtil.setDNSResolver(maybeGetInstance());
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DNSUtil.setDNSResolver(getInstance());
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}
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}
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private JavaxResolver() {
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private JavaxResolver() {
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}
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}
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public static DNSResolver maybeGetInstance() {
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public static DNSResolver getInstance() {
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if (instance == null && isSupported()) {
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if (instance == null && isSupported()) {
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instance = new JavaxResolver();
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instance = new JavaxResolver();
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}
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}
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@ -29,13 +29,13 @@ public class SRVRecord extends HostAddress implements Comparable<SRVRecord> {
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/**
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/**
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* Create a new SRVRecord
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* Create a new SRVRecord
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*
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*
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* @param fqdn
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* @param fqdn Fully qualified domain name
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* @param port
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* @param port The connection port
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* @param priority
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* @param priority Priority of the target host
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* @param weight
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* @param weight Relative weight for records with same priority
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* @throws IllegalArgumentException
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* @throws IllegalArgumentException fqdn is null or any other field is not in valid range (0-65535).
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*/
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*/
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public SRVRecord(String fqdn, int port, int priority, int weight) throws IllegalArgumentException {
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public SRVRecord(String fqdn, int port, int priority, int weight) {
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super(fqdn, port);
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super(fqdn, port);
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if (weight < 0 || weight > 65535)
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if (weight < 0 || weight > 65535)
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throw new IllegalArgumentException(
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throw new IllegalArgumentException(
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return weight;
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return weight;
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}
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}
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@Override
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public int compareTo(SRVRecord other) {
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public int compareTo(SRVRecord other) {
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// According to RFC2782,
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// According to RFC2782,
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// "[a] client MUST attempt to contact the target host with the lowest-numbered priority it can reach".
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// "[a] client MUST attempt to contact the target host with the lowest-numbered priority it can reach".
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return res;
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return res;
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}
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}
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@Override
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public String toString() {
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public String toString() {
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return super.toString() + " prio:" + priority + ":w:" + weight;
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return super.toString() + " prio:" + priority + ":w:" + weight;
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}
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}
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@ -24,7 +24,7 @@ public class DNSUtilTest {
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@Test
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@Test
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public void xmppClientDomainJavaXTest() {
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public void xmppClientDomainJavaXTest() {
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DNSResolver resolver = JavaxResolver.maybeGetInstance();
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DNSResolver resolver = JavaxResolver.getInstance();
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assertNotNull(resolver);
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assertNotNull(resolver);
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DNSUtil.setDNSResolver(resolver);
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DNSUtil.setDNSResolver(resolver);
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xmppClientDomainTest();
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xmppClientDomainTest();
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@ -32,7 +32,7 @@ public class DNSUtilTest {
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@Test
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@Test
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public void xmppServerDomainJavaXTest() {
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public void xmppServerDomainJavaXTest() {
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DNSResolver resolver = JavaxResolver.maybeGetInstance();
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DNSResolver resolver = JavaxResolver.getInstance();
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assertNotNull(resolver);
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assertNotNull(resolver);
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DNSUtil.setDNSResolver(resolver);
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DNSUtil.setDNSResolver(resolver);
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xmppServerDomainTest();
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xmppServerDomainTest();
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