/*
* URIUtils.java
*
* Copyright 2008 Mark Logic Corporation.
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.xmlcalabash.util;
import com.xmlcalabash.core.XProcException;
import java.io.UnsupportedEncodingException;
import java.io.File;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.MalformedURLException;
/**
*
* @author ndw
*/
public class URIUtils {
/** Creates a new instance of URIUtils */
protected URIUtils() {
}
public static String encode(String src) {
String genDelims = ":/?#[]@";
String subDelims = "!$&'()*+,;=";
String unreserved = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-._~";
String okChars = genDelims + subDelims + unreserved + "%"; // don't double-escape %-escaped chars!
// FIXME: This should be more general, but Windows seems to be the only problem
// and I'm to lazy to look up how to dyanmically escape "\"
String filesep = System.getProperty("file.separator");
if ("\\".equals(filesep)) {
src = src.replaceAll("\\\\", "/");
}
String encoded = "";
try {
byte[] bytes = src.getBytes("UTF-8");
for (int pos = 0; pos < bytes.length; pos++) {
if (okChars.indexOf(bytes[pos]) >= 0) {
encoded += (char) bytes[pos];
} else {
encoded += String.format("%%%02X", bytes[pos]);
}
}
} catch (UnsupportedEncodingException uee) {
// This can't happen for UTF-8!
}
return encoded;
}
public static URI homeAsURI() {
return dirAsURI(System.getProperty("user.home"));
}
public static URI cwdAsURI() {
return dirAsURI(System.getProperty("user.dir"));
}
public static URI dirAsURI(String dir) {
URI cwd = null;
try {
String path = encode(dir);
if (!path.endsWith("/")) {
path += "/";
}
if (!path.startsWith("/")) {
path = "/" + path;
}
cwd = new URI("file:" + path);
} catch (URISyntaxException use) {
throw new XProcException(use);
}
return cwd;
}
public static URI makeAbsolute(String localFn) {
URI cwd = cwdAsURI();
return cwd.resolve(encode(localFn));
}
}