Mega Code Archive
Return True if the uri has a scheme
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//
// Copyright 2004-2005 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed 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.
//
/**
* URI Holder. This class assists with the decoding and encoding or HTTP URI's.
* It differs from the java.net.URL class as it does not provide communications
* ability, but it does assist with query string formatting.
* <P>
* UTF-8 encoding is used by default for % encoded characters. This may be
* overridden with the org.mortbay.util.URI.charset system property.
*
* @see UrlEncoded
* @author Greg Wilkins (gregw)
*/
public class Utils {
/**
* @param uri URI
* @return True if the uri has a scheme
*/
public static boolean hasScheme(String uri)
{
for (int i=0;i<uri.length();i++)
{
char c=uri.charAt(i);
if (c==':')
return true;
if (!(c>='a'&&c<='z' ||
c>='A'&&c<='Z' ||
(i>0 &&(c>='0'&&c<='9' ||
c=='.' ||
c=='+' ||
c=='-'))
))
break;
}
return false;
}
}
]]>