PatternsetReader.java

/* ====================================================================
 * 
 * The ObjectStyle Group Software License, Version 1.0 
 *
 * Copyright (c) 2004 The ObjectStyle Group 
 * and individual authors of the software.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
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 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:  
 *       "This product includes software developed by the 
 *        ObjectStyle Group (http://objectstyle.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
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 * 4. The names "ObjectStyle Group" and "Cayenne" 
 *    must not be used to endorse or promote products derived
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 * 5. Products derived from this software may not be called "ObjectStyle"
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 *
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 * information on the ObjectStyle Group, please see
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package org.objectstyle.wolips.core.resources.pattern;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;

import org.eclipse.core.resources.IFile;
import org.objectstyle.wolips.core.CorePlugin;

/**
 * @author ulrich
 */
public class PatternsetReader {
	private String[] pattern = new String[0];

	/*
	 * private long lastReadAt = 0; private IFile theFile = null;
	 */

	public PatternsetReader(IFile patternset) {

		ArrayList<String> patternList = new ArrayList<String>();
		BufferedReader patternReader = null;
		try {
			patternReader = new BufferedReader(new FileReader(new File(patternset.getLocation().toOSString())));
			String line = patternReader.readLine();
			while (line != null) {
				if (line.length() > 0) {
					patternList.add(line);
				}
				line = patternReader.readLine();
			}
		} catch (IOException ioe) {
			CorePlugin.getDefault().log(ioe);
			// String msg = "An error occured while reading from pattern file: "
			// + patternset.getLocation().toOSString();
			// throw new InvocationException(msg, ioe);
		} finally {
			if (null != patternReader) {
				try {
					patternReader.close();
				} catch (IOException ioe) {
					// Ignore exception
				}
			}
		}
		setPattern(patternList.toArray(new String[patternList.size()]));
	}

	/**
	 * @param pattern
	 */
	public PatternsetReader(String[] pattern) {
		super();
		setPattern(pattern);
	}
	
	public void setPattern(String[] pattern) {
		this.pattern = pattern;
		if (this.pattern != null) {
			for (int patternNum = 0; patternNum < this.pattern.length; patternNum ++) {
				this.pattern[patternNum] = this.pattern[patternNum].replace("/", File.separator);
			}
		}
	}

	/**
	 * @return Returns the pattern.
	 */
	public String[] getPattern() {
		return pattern;
	}
}