geronimo-javamail_1.5/geronimo-javamail_1.5_provider/src/main/java/org/apache/geronimo/javamail/store/nntp/newsrc/NNTPNewsrcFile.java

/*
 * 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.apache.geronimo.javamail.store.nntp.newsrc;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;

public class NNTPNewsrcFile extends NNTPNewsrc {
    // source for the file data
    File source;

    /**
     * Construct a NNTPNewsrc object that is targetted at a file-based backing
     * store.
     * 
     * @param source
     *            The source File for the .newsrc data.
     */
    public NNTPNewsrcFile(File source) {
        this.source = source;
    }

    /**
     * Retrieve an input reader for loading the newsrc file.
     * 
     * @return A BufferedReader object for reading from the newsrc file.
     * @exception IOException
     */
    public BufferedReader getInputReader() throws IOException {
        return new BufferedReader(new InputStreamReader(new FileInputStream(source), "ISO8859-1"));
    }

    /**
     * Obtain a writer for saving a newsrc file.
     * 
     * @return The output writer targetted to the newsrc file.
     * @exception IOException
     */
    public Writer getOutputWriter() throws IOException {
        // open this for overwriting
        return new OutputStreamWriter(new FileOutputStream(source, false), "ISO8859-1");
    }
}