FileDocCategorySizeDatePackage
TestApp.javaAPI DocApache Lucene 2.2.02867Sat Jun 16 22:20:42 BST 2007net.sf.snowball

TestApp

public class TestApp extends Object
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.

Fields Summary
Constructors Summary
Methods Summary
private static voidexitWithUsage()

    System.err.println("Usage: TestApp <stemmer name> <input file> [-o <output file>]");
    System.exit(1);
public static voidmain(java.lang.String[] args)


    if (args.length < 2) {
      exitWithUsage();
    }

    Class stemClass = Class.forName("net.sf.snowball.ext." +
                                    args[0] + "Stemmer");
    SnowballProgram stemmer = (SnowballProgram) stemClass.newInstance();
    Method stemMethod = stemClass.getMethod("stem", new Class[0]);

    Reader reader;
    reader = new InputStreamReader(new FileInputStream(args[1]));
    reader = new BufferedReader(reader);

    StringBuffer input = new StringBuffer();

    OutputStream outstream = System.out;

    if (args.length > 2 && args[2].equals("-o")) {
      outstream = new FileOutputStream(args[3]);
    } else if (args.length > 2) {
      exitWithUsage();
    }

    Writer output = new OutputStreamWriter(outstream);
    output = new BufferedWriter(output);

    int repeat = 1;
    if (args.length > 4) {
      repeat = Integer.parseInt(args[4]);
    }

    Object[] emptyArgs = new Object[0];
    int character;
    while ((character = reader.read()) != -1) {
      char ch = (char) character;
      if (Character.isWhitespace(ch)) {
        if (input.length() > 0) {
          stemmer.setCurrent(input.toString());
          for (int i = repeat; i != 0; i--) {
            stemMethod.invoke(stemmer, emptyArgs);
          }
          output.write(stemmer.getCurrent());
          output.write('\n");
          input.delete(0, input.length());
        }
      } else {
        input.append(Character.toLowerCase(ch));
      }
    }
    output.flush();