Source Code : A simple Properties extension easing the loading and saving of data

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A simple Properties extension easing the loading and saving of data

        

/*
 *  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.ivy.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Properties;

/**
 * A simple Properties extension easing the loading and saving of data
 */
public class PropertiesFile extends Properties {
  private File file;

  private String header;

  public PropertiesFile(File file, String header) {
    this.file = file;
    this.header = header;
    if (file.exists()) {
      FileInputStream fis = null;
      try {
        fis = new FileInputStream(file);
        load(fis);
      } catch (Exception ex) {
        // Message.warn("exception occured while reading properties file "
        // + file + ": "
        // + ex.getMessage());
      }
      try {
        if (fis != null) {
          fis.close();
        }
      } catch (IOException e) {
        // ignored
      }
    }
  }

  public void save() {
    FileOutputStream fos = null;
    try {
      if (file.getParentFile() != null && !file.getParentFile().exists()) {
        file.getParentFile().mkdirs();
      }
      fos = new FileOutputStream(file);
      store(fos, header);
    } catch (Exception ex) {
      // Message.warn("exception occured while writing properties file " +
      // file + ": "
      // + ex.getMessage());
    }
    try {
      if (fos != null) {
        fos.close();
      }
    } catch (IOException e) {
      // ignored
    }
  }

}

   
    
    
    
    
    
    
    
  

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