/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.felix.mosgi.jmx.httpconnector.mx4j.tools.adaptor.http;
/**
* Utility methods for the HTTP adaptor
*
* @author <a href="mailto:tibu@users.sourceforge.net">Carlos Quiroz</a>
* @version $Revision: 1.1.1.1 $
*/
public class HttpUtil
{
/**
* Gets a message apropriate for a give HTTP code
*
* @param code Reference Code
* @return The result message
* @see HttpConstants
*/
public static String getCodeMessage(int code) {
switch (code) {
case HttpConstants.STATUS_OKAY:
return "OK";
case HttpConstants.STATUS_NO_CONTENT:
return "No Content";
case HttpConstants.STATUS_MOVED_PERMANENTLY:
return "Moved Permanently";
case HttpConstants.STATUS_MOVED_TEMPORARILY:
return "Moved Temporarily";
case HttpConstants.STATUS_BAD_REQUEST:
return "Bad Request";
case HttpConstants.STATUS_FORBIDDEN:
return "Forbidden";
case HttpConstants.STATUS_NOT_FOUND:
return "Not Found";
case HttpConstants.STATUS_NOT_ALLOWED:
return "Method Not Allowed";
case HttpConstants.STATUS_INTERNAL_ERROR:
return "Internal Server Error";
case HttpConstants.STATUS_AUTHENTICATE:
return "Authentication requested";
case HttpConstants.STATUS_NOT_IMPLEMENTED:
return "Not Implemented";
default:
return "Unknown Code (" + code + ")";
}
}
/**
* Makes a path canonical
*
* @param path Target path
* @return The canonicalized path
*/
public static String canonicalizePath(String path) {
char[] chars = path.toCharArray();
int length = chars.length;
int idx;
int odx = 0;
while ((idx = indexOf(chars, length, '/', odx)) < length - 1)
{
int ndx = indexOf(chars, length, '/', idx + 1);
int kill = -1;
if (ndx == idx + 1)
{
kill = 1;
}
else if ((ndx >= idx + 2) && (chars[idx + 1] == '.'))
{
if (ndx == idx + 2)
{
kill = 2;
}
else if ((ndx == idx + 3) && (chars[idx + 2] == '.'))
{
kill = 3;
while ((idx > 0) && (chars[--idx] != '/'))
{
++kill;
}
}
}
if (kill == -1)
{
odx = ndx;
}
else if (idx + kill >= length)
{
length = odx = idx + 1;
}
else
{
length -= kill;
System.arraycopy(chars, idx + 1 + kill,
chars, idx + 1, length - idx - 1);
odx = idx;
}
}
return new String(chars, 0, length);
}
protected static int indexOf(char[] chars, int length, char chr, int from)
{
while ((from < length) && (chars[from] != chr))
{
++from;
}
return from;
}
/**
* Returns whether a boolean variable is in the variables. It tries to find
* it. If not found the the default is used. If found is tested to check if
* it is <code>true</code> or <code>1</code> and the answer is true.
* Otherwise is false
*/
public static boolean booleanVariableValue(HttpInputStream in, String variable, boolean defaultValue)
{
if (in.getVariables().containsKey(variable))
{
String result = (String)in.getVariables().get(variable);
return result.equals("true") || result.equals("1");
}
return defaultValue;
}
}