[5304] | 1 | /**
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| 2 | *#########################################################################
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| 3 | *
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| 4 | * A component of the Gatherer application, part of the Greenstone digital
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| 5 | * library suite from the New Zealand Digital Library Project at the
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| 6 | * University of Waikato, New Zealand.
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| 7 | *
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| 8 | * <BR><BR>
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| 9 | *
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| 10 | * Author: John Thompson, Greenstone Digital Library, University of Waikato
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| 11 | *
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| 12 | * <BR><BR>
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| 13 | *
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| 14 | * Copyright (C) 1999 New Zealand Digital Library Project
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| 15 | *
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| 16 | * <BR><BR>
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| 17 | *
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| 18 | * This program is free software; you can redistribute it and/or modify
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| 19 | * it under the terms of the GNU General Public License as published by
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| 20 | * the Free Software Foundation; either version 2 of the License, or
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| 21 | * (at your option) any later version.
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| 22 | *
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| 23 | * <BR><BR>
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| 24 | *
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| 25 | * This program is distributed in the hope that it will be useful,
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| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 28 | * GNU General Public License for more details.
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| 29 | *
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| 30 | * <BR><BR>
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| 31 | *
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| 32 | * You should have received a copy of the GNU General Public License
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| 33 | * along with this program; if not, write to the Free Software
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| 34 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 35 | *########################################################################
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| 36 | */
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| 37 |
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| 38 |
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| 39 |
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| 40 |
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| 41 |
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| 42 |
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| 43 | package org.greenstone.gatherer.util;
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| 44 |
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| 45 | import java.io.File;
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| 46 | import java.io.Serializable;
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| 47 |
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| 48 | import java.lang.Cloneable;
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| 49 |
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| 50 | import java.net.MalformedURLException;
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| 51 | import java.net.URL;
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| 52 |
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| 53 | import java.util.Vector;
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| 54 |
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| 55 | import javax.swing.JProgressBar;
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| 56 |
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| 57 | /**
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| 58 | * Extends the standard URL class to include several new data elements and
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| 59 | * the ability to take a string and parse a valid url.
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| 60 | */
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| 61 | public class GURL
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| 62 | implements Cloneable, Serializable {
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| 63 |
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| 64 | private Integer type;
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| 65 |
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| 66 | private URL url;
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| 67 |
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| 68 | private String file;
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| 69 | private String host;
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| 70 | private String path;
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| 71 | private String protocol;
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| 72 | private String title = "empty";
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| 73 |
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| 74 | /** This Vector maintains a record of the url links from within
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| 75 | * this resource, and their type (EXTERNAL vs INTERNAL). Internal
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| 76 | * links can be 'hidden' from the user if desired, or a user can
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| 77 | * opt to have all internal links automatically moved into a
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| 78 | * collection if the page that depends upon them is moved. <BR>
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| 79 | * Each entry in the vector is of the form.
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| 80 | * links[i] = String url
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| 81 | * links[i+1] = int type
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| 82 | */
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| 83 | private Vector links;
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| 84 |
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| 85 | /* Static Integer identifiers for ease of use. */
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| 86 | static public Integer INTERNAL = new Integer(0);
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| 87 | static public Integer EXTERNAL = new Integer(1);
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| 88 |
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| 89 | public GURL(String url_str) {
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| 90 | this(url_str, GURL.EXTERNAL);
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| 91 | }
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| 92 |
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| 93 | public GURL(URL url) {
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| 94 | this(url, GURL.EXTERNAL);
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| 95 | }
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| 96 |
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| 97 | public GURL(URL url, Integer type) {
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| 98 | this.type = type;
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| 99 | this.url = url;
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| 100 | }
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| 101 |
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| 102 | public GURL(String url_str, Integer type) {
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| 103 | this.type = type;
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| 104 |
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| 105 | try {
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| 106 | if(!url_str.startsWith("file:") && url_str.indexOf("://") == -1) {
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| 107 | url_str = "http://" + url_str;
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| 108 | }
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| 109 | url = new URL(url_str);
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| 110 | }
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| 111 | catch (MalformedURLException e) {
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| 112 | // Fix it
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| 113 | }
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| 114 | }
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| 115 |
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| 116 | public void addLink(String url) {
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| 117 | addLink(url, GURL.EXTERNAL);
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| 118 | }
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| 119 |
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| 120 | public void addLink(String url, Integer type) {
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| 121 | if(links == null) {
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| 122 | links = new Vector();
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| 123 | }
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| 124 | links.add(url);
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| 125 | links.add(type);
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| 126 | }
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| 127 |
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| 128 | /** Used by tree renderer to display name. So we'll only return the
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| 129 | * filename.
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| 130 | */
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| 131 | public String getFile() {
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| 132 | return parseFile(url.getFile());
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| 133 | }
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| 134 |
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| 135 | public String getHost() {
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| 136 | return url.getHost();
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| 137 | }
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| 138 |
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| 139 | public String getLocalFile() {
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| 140 | String local_file = getPath() + File.separator + getFile();
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| 141 | // Strip msdos roots if they're still there.
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| 142 | while(local_file.indexOf(":") != -1) {
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| 143 | local_file = local_file.substring(0, local_file.indexOf(":")) + local_file.substring(local_file.indexOf(":") + 1);
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| 144 | }
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| 145 | return local_file;
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| 146 | }
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| 147 |
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| 148 | public String getPath() {
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| 149 | return getHost() + parsePath(url.getFile());
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| 150 | }
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| 151 |
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[5326] | 152 | public int getPort() {
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| 153 | return url.getPort();
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| 154 | }
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| 155 |
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[5304] | 156 | public String getProtocol() {
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| 157 | String protocol = url.getProtocol();
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| 158 | if(protocol.equals("file")) {
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| 159 | return protocol + ":";
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| 160 | }
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| 161 | return protocol + "://";
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| 162 | }
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| 163 |
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| 164 | public URL getURL() {
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| 165 | return url;
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| 166 | }
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| 167 |
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| 168 | public String toString() {
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| 169 | return url.toString();
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| 170 | }
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| 171 |
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| 172 | public boolean valid() {
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| 173 | return (url != null);
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| 174 | }
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| 175 |
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| 176 | private String parseFile(String raw) {
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| 177 | if(raw != null && !raw.equals("")) {
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| 178 | // Remove everything upto and including the last '/'
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| 179 | if(raw.indexOf("/") != -1) {
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| 180 | return raw.substring(raw.lastIndexOf("/") + 1);
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| 181 | }
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| 182 | }
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| 183 | return raw;
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| 184 | }
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| 185 |
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| 186 | private String parsePath(String raw) {
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| 187 | if(raw != null && !raw.equals("")) {
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| 188 | // Remove everything after the last "/"
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| 189 | if(raw.indexOf("/") != -1) {
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| 190 | return raw.substring(0, raw.lastIndexOf("/"));
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| 191 | }
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| 192 | }
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| 193 | return raw;
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| 194 | }
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| 195 |
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| 196 | }
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