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169 lines
4.5 KiB
169 lines
4.5 KiB
11 years ago
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/*
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* Copyright 2014 A.C.R. Development
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*/
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package acr.browser.lightning;
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import static android.util.Patterns.GOOD_IRI_CHAR;
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import java.util.Locale;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* {@hide}
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*
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* Web Address Parser
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*
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* This is called WebAddress, rather than URL or URI, because it
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* attempts to parse the stuff that a user will actually type into a
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* browser address widget.
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*
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* Unlike java.net.uri, this parser will not choke on URIs missing
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* schemes. It will only throw a ParseException if the input is
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* really hosed.
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*
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* If given an https scheme but no port, fills in port
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*
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*/
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public class WebAddress {
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private String mScheme;
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private String mHost;
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private int mPort;
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private String mPath;
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private String mAuthInfo;
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static final int MATCH_GROUP_SCHEME = 1;
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static final int MATCH_GROUP_AUTHORITY = 2;
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static final int MATCH_GROUP_HOST = 3;
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static final int MATCH_GROUP_PORT = 4;
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static final int MATCH_GROUP_PATH = 5;
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static Pattern sAddressPattern = Pattern.compile(
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/* scheme */ "(?:(http|https|file)\\:\\/\\/)?" +
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/* authority */ "(?:([-A-Za-z0-9$_.+!*'(),;?&=]+(?:\\:[-A-Za-z0-9$_.+!*'(),;?&=]+)?)@)?" +
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/* host */ "([" + GOOD_IRI_CHAR + "%_-][" + GOOD_IRI_CHAR + "%_\\.-]*|\\[[0-9a-fA-F:\\.]+\\])?" +
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/* port */ "(?:\\:([0-9]*))?" +
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/* path */ "(\\/?[^#]*)?" +
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/* anchor */ ".*", Pattern.CASE_INSENSITIVE);
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/** parses given uriString.
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* @throws Exception */
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public WebAddress(String address) throws Exception {
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if (address == null) {
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throw new NullPointerException();
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}
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// android.util.Log.d(LOGTAG, "WebAddress: " + address);
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mScheme = "";
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mHost = "";
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mPort = -1;
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mPath = "/";
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mAuthInfo = "";
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Matcher m = sAddressPattern.matcher(address);
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String t;
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if (m.matches()) {
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t = m.group(MATCH_GROUP_SCHEME);
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if (t != null) mScheme = t.toLowerCase(Locale.ROOT);
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t = m.group(MATCH_GROUP_AUTHORITY);
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if (t != null) mAuthInfo = t;
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t = m.group(MATCH_GROUP_HOST);
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if (t != null) mHost = t;
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t = m.group(MATCH_GROUP_PORT);
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if (t != null && t.length() > 0) {
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// The ':' character is not returned by the regex.
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try {
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mPort = Integer.parseInt(t);
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} catch (NumberFormatException ex) {
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throw new Exception();
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}
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}
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t = m.group(MATCH_GROUP_PATH);
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if (t != null && t.length() > 0) {
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/* handle busted myspace frontpage redirect with
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missing initial "/" */
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if (t.charAt(0) == '/') {
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mPath = t;
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} else {
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mPath = "/" + t;
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}
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}
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} else {
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// nothing found... outa here
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throw new Exception();
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}
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/* Get port from scheme or scheme from port, if necessary and
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possible */
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if (mPort == 443 && mScheme.equals("")) {
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mScheme = "https";
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} else if (mPort == -1) {
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if (mScheme.equals("https"))
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mPort = 443;
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else
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mPort = 80; // default
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}
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if (mScheme.equals("")) mScheme = "http";
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}
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@Override
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public String toString() {
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String port = "";
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if ((mPort != 443 && mScheme.equals("https")) ||
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(mPort != 80 && mScheme.equals("http"))) {
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port = ":" + Integer.toString(mPort);
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}
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String authInfo = "";
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if (mAuthInfo.length() > 0) {
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authInfo = mAuthInfo + "@";
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}
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return mScheme + "://" + authInfo + mHost + port + mPath;
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}
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public void setScheme(String scheme) {
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mScheme = scheme;
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}
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public String getScheme() {
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return mScheme;
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}
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public void setHost(String host) {
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mHost = host;
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}
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public String getHost() {
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return mHost;
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}
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public void setPort(int port) {
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mPort = port;
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}
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public int getPort() {
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return mPort;
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}
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public void setPath(String path) {
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mPath = path;
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}
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public String getPath() {
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return mPath;
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}
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public void setAuthInfo(String authInfo) {
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mAuthInfo = authInfo;
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}
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public String getAuthInfo() {
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return mAuthInfo;
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}
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}
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