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Viewing changes to snowball/java/org/tartarus/snowball/TestApp.java

  • Committer: richard
  • Date: 2004-08-29 11:52:42 UTC
  • Revision ID: svn-v4:633ccae0-01f4-0310-8c99-d3591da6f01f:trunk:262
Import Java support files.

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snowball/java/org/tartarus/snowball/TestApp.java
 
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package net.sf.snowball;
 
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import java.lang.reflect.Method;
 
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import java.io.Reader;
 
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import java.io.Writer;
 
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import java.io.BufferedReader;
 
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import java.io.BufferedWriter;
 
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import java.io.FileInputStream;
 
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import java.io.InputStreamReader;
 
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import java.io.OutputStreamWriter;
 
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import java.io.OutputStream;
 
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import java.io.FileOutputStream;
 
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public class TestApp {
 
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    public static void main(String [] args) throws Throwable {
 
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        Class stemClass = Class.forName("net.sf.snowball.ext." +
 
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                                        args[0] + "Stemmer");
 
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        SnowballProgram stemmer = (SnowballProgram) stemClass.newInstance();
 
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        Method stemMethod = stemClass.getMethod("stem", new Class[0]);
 
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        Reader reader;
 
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        reader = new InputStreamReader(new FileInputStream(args[1]));
 
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        reader = new BufferedReader(reader);
 
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        StringBuffer input = new StringBuffer();
 
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        OutputStream outstream;
 
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        if (args.length > 2 && args[2].equals("-o")) {
 
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            outstream = new FileOutputStream(args[3]);
 
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        } else if (args.length == 2) {
 
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            System.err.println("Usage: TestApp <input file> [-o <output file>]");
 
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            return;
 
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        } else {
 
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            outstream = System.out;
 
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        }
 
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        Writer output = new OutputStreamWriter(outstream);
 
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        output = new BufferedWriter(output);
 
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        int repeat = 1;
 
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        if (args.length > 4) {
 
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            repeat = Integer.parseInt(args[4]);
 
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        }
 
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        Object [] emptyArgs = new Object[0];
 
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        int character;
 
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        while ((character = reader.read()) != -1) {
 
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            char ch = (char) character;
 
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            if (Character.isWhitespace((char) ch)) {
 
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                if (input.length() > 0) {
 
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                    stemmer.setCurrent(input.toString());
 
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                    for (int i = repeat; i != 0; i--) {
 
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                        stemMethod.invoke(stemmer, emptyArgs);
 
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                    }
 
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                    output.write(stemmer.getCurrent());
 
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                    output.write('\n');
 
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                    input.delete(0, input.length());
 
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                }
 
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            } else {
 
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                input.append(Character.toLowerCase(ch));
 
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            }
 
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        }
 
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        output.flush();
 
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    }
 
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}