StreamWriter.java :  » Scripting » jscombiner » net » leegorous » jsc » Java Open Source

/*
 * Copyright 2008 leegorous.net
 * 
 * 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 net.leegorous.jsc;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;

/**
 * The class <code>StreamWrite</code> is, like its name, a file stream writer.
 * 
 * @author Leegorous
 * @version 0.2
 */
public class StreamWriter {
  private File file;
  private String charset = "UTF-8";
  
  private static StreamWriter writer = new StreamWriter();
  
  /**
   * A quick way to save the content to the specified file.<br/>
   * It do the same as: <p><code>new StreamWriter(file).write(content);</code></p>
   * @param file The target file.
   * @param content The content want to be saved.
   * @throws Exception If an error occurs.
   */
  public static void write(File file,String content) throws Exception {
    writer.setFile(file);
    writer.write(content);
  }
  
  /**
   * A quick way to save the content to the specified file.<br/>
   * It do the same as :<p><code>new StreamWriter(file, charset).write(content);</code></p>
   * @param file The target file.
   * @param content The content want to be saved.
   * @param charset The charset of the target file.
   * @throws Exception If an error occurs.
   */
  public static void write(File file, String content, String charset) throws Exception {
    writer.setFile(file);
    writer.setCharset(charset);
    writer.write(content);
  }
  
  public StreamWriter() {}
  
  public StreamWriter(File file) {
    this.setFile(file);
  }
  
  public StreamWriter(File file, String charset) {
    this(file);
    this.setCharset(charset);
  }
  
  public void setFile(File file) {
    this.file = file;
  }
  
  /**
   * Save the content as a specified file.
   * @param content The content want to saved.
   * @throws Exception If an error occurs
   */
  public void write(String content) throws Exception {
    BufferedWriter writer = null;
    try {
      writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), charset));
      writer.write(content.toString(),0,content.length());
      writer.flush();
    } catch (Exception e) {
      throw e;
    } finally {
      if (writer!=null) writer.close();
    }
  }

  public void setCharset(String charset) {
    this.charset = charset;
  }
}