/*
 * 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.netbeans.modules.db.explorer;

import java.net.URL;
import java.net.URLClassLoader;
import java.security.AllPermission;
import java.security.CodeSource;
import java.security.PermissionCollection;
import java.security.Permissions;
import java.util.Arrays;

/**
 * This class loader is used to load JDBC drivers from their locations.
 * Needed since JDBC drivers can reside in arbitrary locations, which the
 * system class loader does not know about.
 */
public class DbURLClassLoader extends URLClassLoader {
    
    /** Creates a new instance of DbURLClassLoader */
    public DbURLClassLoader(URL[] urls) {
        super(urls);
    }
    
    protected PermissionCollection getPermissions(CodeSource codesource) {
        Permissions permissions = new Permissions();
        permissions.add(new AllPermission());
        permissions.setReadOnly();
        
        return permissions;
    }
    
    public String toString() {
        return "DbURLClassLoader[urls=" + Arrays.asList(getURLs()) + "]"; // NOI18N
    }
}
