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From rwaldh...@apache.org
Subject cvs commit: jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example TestAll.java
Date Tue, 25 Nov 2003 23:13:38 GMT
rwaldhoff    2003/11/25 15:13:38

  Modified:    functor/src/test/org/apache/commons/functor/generator/util
                        TestIntegerRange.java TestLongRange.java
               functor/src/test/org/apache/commons/functor/example
                        TestAll.java
  Added:       functor/src/test/org/apache/commons/functor/example/lines
                        WordCount.java Lines.java Count.java Contains.java
                        Sum.java StartsWith.java TestLines.java
  Log:
  add examples
  
  Revision  Changes    Path
  1.4       +23 -2     jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/generator/util/TestIntegerRange.java
  
  Index: TestIntegerRange.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/generator/util/TestIntegerRange.java,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -r1.3 -r1.4
  --- TestIntegerRange.java	25 Nov 2003 00:01:15 -0000	1.3
  +++ TestIntegerRange.java	25 Nov 2003 23:13:38 -0000	1.4
  @@ -57,6 +57,9 @@
   
   package org.apache.commons.functor.generator.util;
   
  +import java.util.ArrayList;
  +import java.util.List;
  +
   import junit.framework.Test;
   import junit.framework.TestSuite;
   
  @@ -85,6 +88,24 @@
   
       // Tests
       // ------------------------------------------------------------------------
  +
  +    public void testGenerateListExample() {
  +        // generates a collection of Integers from 0 (inclusive) to 10 (exclusive)
  +        {
  +            List list = (List)(new IntegerRange(0,10).to(new ArrayList()));
  +            for(int i=0;i<10;i++) {
  +                assertEquals(new Integer(i),list.get(i));
  +            }
  +        }
  +
  +        // generates a collection of Integers from 10 (inclusive) to 0 (exclusive)
  +        {
  +            List list = (List)(new IntegerRange(10,0).to(new ArrayList()));
  +            for(int i=10;i>0;i--) {
  +                assertEquals(new Integer(i),list.get(10-i));
  +            }
  +        }
  +    }
   
       public void testStepChecking() {
           {
  
  
  
  1.3       +23 -2     jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/generator/util/TestLongRange.java
  
  Index: TestLongRange.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/generator/util/TestLongRange.java,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- TestLongRange.java	25 Nov 2003 00:01:15 -0000	1.2
  +++ TestLongRange.java	25 Nov 2003 23:13:38 -0000	1.3
  @@ -57,6 +57,9 @@
   
   package org.apache.commons.functor.generator.util;
   
  +import java.util.ArrayList;
  +import java.util.List;
  +
   import junit.framework.Test;
   import junit.framework.TestSuite;
   
  @@ -85,6 +88,24 @@
   
       // Tests
       // ------------------------------------------------------------------------
  +
  +    public void testGenerateListExample() {
  +        // generates a collection of Integers from 0 (inclusive) to 10 (exclusive)
  +        {
  +            List list = (List)(new LongRange(0,10).to(new ArrayList()));
  +            for(int i=0;i<10;i++) {
  +                assertEquals(new Long(i),list.get(i));
  +            }
  +        }
  +
  +        // generates a collection of Integers from 10 (inclusive) to 0 (exclusive)
  +        {
  +            List list = (List)(new LongRange(10,0).to(new ArrayList()));
  +            for(int i=10;i>0;i--) {
  +                assertEquals(new Long(i),list.get(10-i));
  +            }
  +        }
  +    }
   
       public void testStepChecking() {
           {
  
  
  
  1.1                  jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/WordCount.java
  
  Index: WordCount.java
  ===================================================================
  /* 
   * $Header: /home/cvs/jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/WordCount.java,v
1.1 2003/11/25 23:13:38 rwaldhoff Exp $
   * ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2003 The Apache Software Foundation.  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
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived 
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.commons.functor.example.lines;
  
  import java.util.StringTokenizer;
  
  import org.apache.commons.functor.UnaryFunction;
  
  /**
   * @version $Revision: 1.1 $ $Date: 2003/11/25 23:13:38 $
   * @author Rodney Waldhoff
   */
  public class WordCount implements UnaryFunction {
      public Object evaluate(Object obj) {
          StringTokenizer toker = new StringTokenizer((String)obj);
          return new Integer(toker.countTokens());
      }
  
      public static WordCount instance() {
          return INSTANCE;
      }
      
      private static final WordCount INSTANCE = new WordCount();
  }
  
  
  
  1.1                  jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/Lines.java
  
  Index: Lines.java
  ===================================================================
  /* 
   * $Header: /home/cvs/jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/Lines.java,v
1.1 2003/11/25 23:13:38 rwaldhoff Exp $
   * ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2003 The Apache Software Foundation.  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
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived 
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.commons.functor.example.lines;
  
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.FileNotFoundException;
  import java.io.FileReader;
  import java.io.Reader;
  
  import org.apache.commons.functor.UnaryProcedure;
  import org.apache.commons.functor.generator.BaseGenerator;
  
  /**
   * @version $Revision: 1.1 $ $Date: 2003/11/25 23:13:38 $
   * @author Rodney Waldhoff
   */
  public class Lines extends BaseGenerator {
      public static Lines from(Reader reader) {
          return new Lines(reader);
      }
  
      public static Lines from(File file) throws FileNotFoundException {
          return new Lines(new FileReader(file));
      }
  
      public Lines(Reader reader) {
          if(reader instanceof BufferedReader) {
              in = (BufferedReader)reader;
          } else {
              in = new BufferedReader(reader);
          }
      }
      
      public void run(UnaryProcedure proc) {
          try {
              for(String line = in.readLine(); line != null; line = in.readLine()) {
                  proc.run(line);
              }
          } catch(RuntimeException e) {
              throw e;
          } catch(Exception e) {
              throw new TunneledException(e);
          } finally {
              stop();
          }
      }
  
      public void stop() {
          super.stop();
          try {
              in.close();
          } catch(RuntimeException e) {
              throw e;
          } catch(Exception e) {
              throw new TunneledException(e);
          }
      }
  
      private BufferedReader in = null;
      
      private class TunneledException extends RuntimeException {
          TunneledException(Exception e) {
              super(e.toString());
              exception = e;
          }        
          private Exception exception = null;
      }
  }
  
  
  
  1.1                  jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/Count.java
  
  Index: Count.java
  ===================================================================
  /* 
   * $Header: /home/cvs/jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/Count.java,v
1.1 2003/11/25 23:13:38 rwaldhoff Exp $
   * ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2003 The Apache Software Foundation.  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
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived 
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.commons.functor.example.lines;
  
  import org.apache.commons.functor.Procedure;
  
  /**
   * @version $Revision: 1.1 $ $Date: 2003/11/25 23:13:38 $
   * @author Rodney Waldhoff
   */
  public class Count implements Procedure {
      public void run() {
          count++;
      }
      
      public int getCount() {
          return count;
      }
      
      private int count = 0;
  }
  
  
  
  1.1                  jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/Contains.java
  
  Index: Contains.java
  ===================================================================
  /* 
   * $Header: /home/cvs/jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/Contains.java,v
1.1 2003/11/25 23:13:38 rwaldhoff Exp $
   * ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2003 The Apache Software Foundation.  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
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived 
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.commons.functor.example.lines;
  
  import org.apache.commons.functor.UnaryPredicate;
  
  
  /**
   * @version $Revision: 1.1 $ $Date: 2003/11/25 23:13:38 $
   * @author Rodney Waldhoff
   */
  public class Contains implements UnaryPredicate {
      public Contains(String str) {
          this.str = str;
      }
      
      public boolean test(Object obj) {
          return null != obj && obj.toString().indexOf(str) != -1;
      }
  
      private String str = null;
  }
  
  
  
  1.1                  jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/Sum.java
  
  Index: Sum.java
  ===================================================================
  /* 
   * $Header: /home/cvs/jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/Sum.java,v
1.1 2003/11/25 23:13:38 rwaldhoff Exp $
   * ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2003 The Apache Software Foundation.  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
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived 
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.commons.functor.example.lines;
  
  import org.apache.commons.functor.BinaryFunction;
  
  /**
   * @version $Revision: 1.1 $ $Date: 2003/11/25 23:13:38 $
   * @author Rodney Waldhoff
   */
  public class Sum implements BinaryFunction {
      public Object evaluate(Object left, Object right) {
          return new Integer( ((Number)left).intValue() + ((Number)right).intValue() ); 
      }
      
      
      public static final Sum instance() {
          return INSTANCE;
      }
      
      private static final Sum INSTANCE = new Sum();
  }
  
  
  
  1.1                  jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/StartsWith.java
  
  Index: StartsWith.java
  ===================================================================
  /* 
   * $Header: /home/cvs/jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/StartsWith.java,v
1.1 2003/11/25 23:13:38 rwaldhoff Exp $
   * ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2003 The Apache Software Foundation.  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
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived 
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.commons.functor.example.lines;
  
  import org.apache.commons.functor.UnaryPredicate;
  
  
  /**
   * @version $Revision: 1.1 $ $Date: 2003/11/25 23:13:38 $
   * @author Rodney Waldhoff
   */
  public class StartsWith implements UnaryPredicate {
      public StartsWith(String prefix) {
          this.prefix = prefix;
      }
      
      public boolean test(Object obj) {
          return null != obj && obj.toString().startsWith(prefix);
      }
  
      private String prefix = null;
  }
  
  
  
  1.1                  jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/TestLines.java
  
  Index: TestLines.java
  ===================================================================
  /* 
   * $Header: /home/cvs/jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/lines/TestLines.java,v
1.1 2003/11/25 23:13:38 rwaldhoff Exp $
   * ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2003 The Apache Software Foundation.  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
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived 
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.commons.functor.example.lines;
  
  import java.io.Reader;
  import java.io.StringReader;
  import java.util.Collection;
  
  import junit.framework.Test;
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  
  import org.apache.commons.functor.adapter.ProcedureUnaryProcedure;
  import org.apache.commons.functor.core.Offset;
  import org.apache.commons.functor.core.collection.Size;
  
  
  /**
   * @version $Revision: 1.1 $ $Date: 2003/11/25 23:13:38 $
   * @author Rodney Waldhoff
   */
  public class TestLines extends TestCase {
  
      public TestLines(String testName) {
          super(testName);
      }
  
      public static Test suite() {
          return new TestSuite(TestLines.class);
      }
      
      private Reader reader = null;
      
      public void setUp() throws Exception {
          super.setUp();
          reader = new StringReader(DOCUMENT);        
      }
      
      public void tearDown() throws Exception {
          super.tearDown();
          reader = null;
      }
      
      public void testCountCharacters() throws Exception {
          Object result = Lines
              .from(reader)
                  .apply(Size.instance())
                      .inject(new Integer(0),Sum.instance());
                      
          assertEquals("Expected 990 characters",new Integer(990),result);
      }                    
  
      public void testCountWords() throws Exception {
          Object result = Lines
              .from(reader)
                  .apply(WordCount.instance())
                      .inject(new Integer(0),Sum.instance());
                      
          assertEquals("Expected 157 words",new Integer(157),result);
      }
  
      public void testCountLines() throws Exception {
          Count count = new Count();
          Lines
              .from(reader)
                  .foreach(ProcedureUnaryProcedure.adapt(count));
                                     
          assertEquals("Expected 16 lines",16,count.getCount());
      }
  
      public void testCountWordsExcludingComments() throws Exception {
          Object result = Lines
              .from(reader)
                  .reject(new StartsWith("#"))
                      .apply(WordCount.instance())
                          .inject(new Integer(0),Sum.instance());
                      
          assertEquals("Expected 90 words",new Integer(90),result);
      }
  
      public void testCountCommentLines() throws Exception {
          Count count = new Count();
          Lines
              .from(reader)
                  .select(new StartsWith("#"))
                      .foreach(ProcedureUnaryProcedure.adapt(count));
                                     
          assertEquals("Expected 6 lines",6,count.getCount());
      }
  
      public void testFindMatchingLines() throws Exception {
          Collection matches = 
              Lines
                  .from(reader)
                      .select(new Contains("lo"))
                          .toCollection();
          assertEquals("Expected 5 lines",5,matches.size());
      }
  
      public void testFindMatchingFromTail() throws Exception {
          Collection matches = 
              Lines
                  .from(reader)
                      .select(new Offset(8))
                          .select(new Contains("lo"))
                              .toCollection();
          assertEquals("Expected 2 lines",2,matches.size());
      }
      
      
      private static final String DOCUMENT = 
          "# Lorem ipsum dolor sit amet, consectetuer adipiscing elit. \n" +
          "# Aliquam erat volutpat. Donec nec eros. Etiam eget tortor eu \n" +
          "tortor rutrum cursus. Pellentesque ornare pretium risus. Nulla \n" +
          "libero pede, blandit nec, rutrum ut, sodales eu, enim. Duis leo. \n" +
          "Nunc non est. Nunc consequat lobortis nisl. Vivamus et tortor in \n" +
          "# nunc euismod elementum. Ut ut dui. Morbi semper, pede eu cursus \n" +
          "# tristique, diam nunc luctus nibh, id tempor justo metus eget lorem.\n" +
          "\n" +
          "Quisque pharetra hendrerit odio. Etiam consequat ante et dui. Etiam \n" +
          "accumsan elit ac augue. Mauris porta pulvinar tellus. Nulla ac enim ac \n"+
          "augue ornare pharetra. Nunc dignissim eros et nibh. Sed justo dolor, \n" +
          "# ullamcorper non, posuere eget, tempus non, ipsum. Praesent at velit. \n" +
          "# Mauris tempor nisl sed tortor. Vestibulum ante ipsum primis in faucibus \n" +
          "orci luctus et ultrices posuere cubilia Curae; Integer mollis malesuada \n" +
          "dolor. Vestibulum cursus, mi in dictum blandit, eros enim convallis wisi, \n" +
          "id ullamcorper metus tortor interdum dui.\n";
  }
  
  
  
  1.4       +3 -2      jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/TestAll.java
  
  Index: TestAll.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons-sandbox/functor/src/test/org/apache/commons/functor/example/TestAll.java,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -r1.3 -r1.4
  --- TestAll.java	12 Mar 2003 00:12:44 -0000	1.3
  +++ TestAll.java	25 Nov 2003 23:13:38 -0000	1.4
  @@ -74,6 +74,7 @@
   
           suite.addTest(FlexiMapExample.suite());
           suite.addTest(QuicksortExample.suite());
  +        suite.addTest(org.apache.commons.functor.example.lines.TestLines.suite());
           
           return suite;
       }
  
  
  

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