Initial commit from SVN.
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wcrisman
243
Orb/src/com/de22/orb/Address.java
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243
Orb/src/com/de22/orb/Address.java
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/*
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* Copyright (c) 1999,2009 Declarative Engineering LLC.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Declarative Engineering LLC
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* verson 1 which accompanies this distribution, and is available at
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* http://declarativeengineering.com/legal/DE_Developer_License_v1.txt
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*/
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package com.de22.orb;
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import com.common.comparison.Comparator;
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import com.common.debug.*;
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public class Address implements IAddress {
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public static final int INVALID_PORT = -1;
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private String name = null;
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private int port = INVALID_PORT;
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private String resource = null;
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/**
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* Address constructor.
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*/
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public Address() {
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this(null, -1, null);
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}//Address()//
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/**
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* Address constructor.
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* @param address The address in string form which follows the URL rules.
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*/
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public Address(String address) {
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super();
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parseAddress(address);
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}//Address()//
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/**
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* Address constructor.
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* @param name The address URL or IP address.
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* @param port The address port number.
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*/
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public Address(String name, int port) {
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this(name, port, null);
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}//Address()//
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/**
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* Address constructor.
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* <p>Note: At least one of the parameters should normally be non-null. Some methods will require that multiple parameters be non-null.</p>
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* @param name The address URL or IP address.
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* @param port The address port number.
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* @param resource The referenced resource at the address.
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*/
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public Address(String name, int port, String resource) {
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super();
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this.name = name;
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this.port = port;
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this.resource = resource;
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}//Address()//
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/* (non-Javadoc)
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* @see java.lang.Object#clone()
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*/
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public Object clone() throws CloneNotSupportedException {
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return super.clone();
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}//clone()//
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/* (non-Javadoc)
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* @see java.lang.Object#hashCode()
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*/
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public int hashCode() {
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return port ^ (name != null ? name.hashCode() : 0) ^ (resource != null ? resource.hashCode() : 0);
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}//hashCode()//
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/* (non-Javadoc)
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* @see java.lang.Object#equals(java.lang.Object)
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*/
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public boolean equals(Object object) {
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return object instanceof Address && ((Address) object).port == port && Comparator.equals(((Address) object).name, name) && Comparator.equals(((Address) object).resource, resource);
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}//equals()//
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/**
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* Gets the ip address or machine name that identifies the first part of the address.
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* @return The IP or URL name of the computer being addressed.
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*/
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public String getName() {
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return name;
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}//getName()//
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/**
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* Gets the port number that identifies the second part of the address.
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* @return The addressed computer's port identifying the listener (server socket) being addressed.
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*/
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public int getPort() {
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return port;
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}//getPort()//
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/**
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* Gets the name of the resource that is being referenced at the address.
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* @return The addressed resource's name.
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*/
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public String getResource() {
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return resource;
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}//getResource()//
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/**
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* Parses the address from a string containing the name and port in the format (or variation of): [protocol]://[name]:[port]/[object].
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* @param address The address in string form.
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*/
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private void parseAddress(String address) {
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address = address.trim();
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try {
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int lastIndex = 0;
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int index = address.indexOf("://", lastIndex);
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//Try both slash directions.//
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if(index == -1) {
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index = address.indexOf(":\\\\", lastIndex);
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}//if//
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//Ignore beginning protocol and slashes.//
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if(index != -1) {
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//TODO: Capture the protocol.//
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lastIndex = index + 3;
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}//if//
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index = address.indexOf("//", lastIndex);
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//Try both slash directions.//
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if(index == -1) {
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index = address.indexOf("\\\\", lastIndex);
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}//if//
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//Ignore beginning slashes.//
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if(index != -1) {
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lastIndex = index + 2;
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}//if//
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index = address.indexOf(':', lastIndex);
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//Capture the name and or port.//
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if((index != -1) && (address.indexOf('/', lastIndex) != lastIndex) && (address.indexOf('\\', lastIndex) != lastIndex)) {
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int index2 = 0;
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if(index != lastIndex) {
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name = address.substring(lastIndex, index);
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}//if//
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lastIndex = index + 1;
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index = address.indexOf('/', lastIndex);
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index2 = address.indexOf("\\", lastIndex);
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index = (index2 != -1) && (index2 < index) ? index2 : index;
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if(index == -1) {
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port = Integer.parseInt(address.substring(lastIndex));
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lastIndex = -1;
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}//if//
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else {
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port = Integer.parseInt(address.substring(lastIndex, index));
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lastIndex = index;
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}//else//
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}//if//
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if((lastIndex != -1) && (name == null) && (address.indexOf('/', lastIndex) != lastIndex) && (address.indexOf('\\', lastIndex) != lastIndex)) {
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int index2 = address.indexOf("\\", lastIndex);
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index = address.indexOf('/', lastIndex);
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index = (index2 != -1) && (index2 < index) ? index2 : index;
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if(index == -1) {
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String part = address.substring(lastIndex);
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boolean isNumber = true;
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for(int ch = 0; isNumber && ch < part.length(); ch++) {
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isNumber = Character.isDigit(part.charAt(ch));
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}//for//
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if(isNumber) {
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//This allows input of just a port number.//
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port = Integer.parseInt(part);
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}//if//
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else {
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name = address.substring(lastIndex);
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}//else//
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lastIndex = -1;
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}//if//
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else {
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name = address.substring(lastIndex, index);
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lastIndex = index + 1;
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}//else//
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}//if//
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//Read the resource name.//
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if(lastIndex != -1) {
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if(address.startsWith("\\", lastIndex) || address.startsWith("/", lastIndex)) {
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lastIndex++;
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}//if//
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resource = address.substring(lastIndex);
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}//if//
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}//try//
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catch(Throwable e) {
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Debug.log(e);
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Debug.halt();
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}//catch//
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}//parseAddress()//
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/**
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* Sets the ip address or machine name that identifies the first part of the address.
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* @param name The IP or URL name of the computer being addressed.
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*/
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public void setName(String name) {
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this.name = name;
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}//setName()//
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/**
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* Sets the port number that identifies the second part of the address.
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* @param port The addressed computer's port identifying the listener (server socket) being addressed.
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*/
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public void setPort(int port) {
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this.port = port;
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}//setPort()//
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/**
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* Sets the name of the resource that is being referenced at the address.
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* @param resource The addressed resource's name.
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*/
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public void setResource(String resource) {
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this.resource = resource;
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}//setResource()//
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/**
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* Gets a string representation of the address.
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* @return A representation of the address in string form.
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*/
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public String toString() {
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String result = "";
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if(name != null) {
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result += name;
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if(port != INVALID_PORT) {
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result += ":" + port;
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}//if//
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}//if//
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else if(port != INVALID_PORT) {
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result += "<any>:" + port;
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}//else if//
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if(resource != null) {
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result += '/' + resource;
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}//if//
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return result;
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}//toString()//
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}//Address//
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