Java URL Connection resolveModuleEntriesFromJar(URL url, String _prefix)

Description

resolve Module Entries From Jar

License

Open Source License

Declaration

private static List<String> resolveModuleEntriesFromJar(URL url, String _prefix) throws IOException 

Method Source Code

//package com.java2s;
/*/*w  ww  .  j  a  v a  2  s.  c o  m*/
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2019 jPOS Software SRL
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.IOException;
import java.net.JarURLConnection;

import java.net.URL;

import java.util.*;
import java.util.jar.JarEntry;

public class Main {
    private static List<String> resolveModuleEntriesFromJar(URL url, String _prefix) throws IOException {
        final String prefix = _prefix.endsWith("/") ? _prefix : _prefix + "/";

        List<String> resourceList = new ArrayList<String>();

        JarURLConnection conn = (JarURLConnection) url.openConnection();
        Enumeration entries = conn.getJarFile().entries();
        while (entries.hasMoreElements()) {
            JarEntry entry = (JarEntry) entries.nextElement();
            String name = entry.getName();
            if (name.startsWith(prefix) && !entry.isDirectory()) {
                resourceList.add(name);
            }
        }
        return resourceList;
    }
}

Related

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3. pingUrl(URL url)
4. queryComputeAPI(String url)
5. renderRequest(URLConnection connection)
6. retrieveData(URL url)
7. retrieveFromUrl(String url, boolean useCache, boolean deleteOnExit)
8. retrieveHtml(URLConnection http)
9. scanPackageByJar(List> classes, final String packageName, final URL jarUrl, final boolean recursive)