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/*
 * Copyright (c) 2006 Hyperic, Inc.
 *
 * 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.
 */

package org.hyperic.sigar;

import java.util.HashMap;

import java.io.IOException;
import java.io.File;

/**
 * Helper class to build a map of mounted file systems.
 */
public class FileSystemMap extends HashMap {

    /**
     * FileSystemMap is read-only, this method is unsupported.
     * @see #init
     */
    public Object put(Object key, Object value) {
        throw new UnsupportedOperationException();
    }

    /**
     * Populate the map.  FileSystem.getDirName is used as the map key.
     */
    public void init(FileSystem[] fslist) {
        super.clear();

        for (int i=0; i