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// --- BEGIN COPYRIGHT BLOCK ---
// 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; version 2 of the License.
//
// 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, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cms.publish.publishers;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Vector;
/**
* Publisher utility class.
*
* @version $Revision$, $Date$
*/
public class Utils {
public static void checkHost(String hostname) throws UnknownHostException {
InetAddress.getByName(hostname);
}
public static void copyStream(InputStream in, OutputStream out) throws IOException {
byte[] buf = new byte[4096];
int len;
while ((len = in.read(buf)) != -1) {
out.write(buf, 0, len);
}
}
public static void copyStream(BufferedReader in, OutputStreamWriter out) throws IOException {
char[] buf = new char[4096];
int len;
while ((len = in.read(buf)) != -1) {
out.write(buf, 0, len);
}
}
/// Sorts an array of Strings.
// Java currently has no general sort function. Sorting Strings is
// common enough that it's worth making a special case.
public static void sortStrings(String[] strings) {
// Just does a bubblesort.
for (int i = 0; i < strings.length - 1; ++i) {
for (int j = i + 1; j < strings.length; ++j) {
if (strings[i].compareTo(strings[j]) > 0) {
String t = strings[i];
strings[i] = strings[j];
strings[j] = t;
}
}
}
}
/// Returns a date string formatted in Unix ls style - if it's within
// six months of now, Mmm dd hh:ss, else Mmm dd yyyy.
public static String lsDateStr(Date date) {
long dateTime = date.getTime();
if (dateTime == -1L)
return "------------";
long nowTime = System.currentTimeMillis();
SimpleDateFormat formatter = new SimpleDateFormat();
if (Math.abs(nowTime - dateTime) < 183L * 24L * 60L * 60L * 1000L)
formatter.applyPattern("MMM dd hh:ss");
else
formatter.applyPattern("MMM dd yyyy");
return formatter.format(date);
}
/**
* compares contents two byte arrays returning true if exactly same.
*/
static public boolean byteArraysAreEqual(byte[] a, byte[] b) {
if (a.length != b.length)
return false;
for (int i = 0; i < a.length; i++) {
if (a[i] != b[i])
return false;
}
return true;
}
/**
* strips out double quotes around String parameter
*
* @param s the string potentially bracketed with double quotes
* @return string stripped of surrounding double quotes
*/
public static String stripQuotes(String s) {
if (s == null) {
return s;
}
if ((s.startsWith("\"")) && (s.endsWith("\""))) {
return (s.substring(1, (s.length() - 1)));
}
return s;
}
/**
* returns an array of strings from a vector of Strings
* there'll be trouble if the Vector contains something other
* than just Strings
*/
public static String[] getStringArrayFromVector(Vector v) {
String s[] = new String[v.size()];
v.copyInto(s);
return s;
}
}
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