Java URI to Local Name getNameSpace(URI uri)

Description

get Name Space

License

Apache License

Declaration

public static URI getNameSpace(URI uri) throws URISyntaxException 

Method Source Code

//package com.java2s;
/*/*from ww w.ja  v  a 2s  . c o  m*/
 * Copyright (c) 2013. Knowledge Media Institute - The Open University
 *
 * 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.
 */

import java.net.URI;
import java.net.URISyntaxException;

public class Main {
    public static URI getNameSpace(URI uri) throws URISyntaxException {
        return getNameSpace(uri.toASCIIString());
    }

    public static URI getNameSpace(String uriString) throws URISyntaxException {
        int localNameIdx = getLocalNameIndex(uriString);
        return new URI(uriString.substring(0, localNameIdx - 1));
    }

    private static int getLocalNameIndex(String uri) {
        int separatorIdx = uri.indexOf('#');

        if (separatorIdx < 0) {
            separatorIdx = uri.lastIndexOf('/');
        }

        if (separatorIdx < 0) {
            separatorIdx = uri.lastIndexOf(':');
        }

        if (separatorIdx < 0) {
            throw new IllegalArgumentException("No separator character founds in URI: " + uri);
        }

        return separatorIdx + 1;
    }
}

Related

1. getName(URI uri)
2. getName(URI uri)
3. getName(URI uri)
4. getName(URI uri)
5. getNameSpace(URI uri)