Clover coverage report - groovy - 1.0-beta-6
Coverage timestamp: Thu Jul 15 2004 13:18:22 BST
file stats: LOC: 167   Methods: 7
NCLOC: 101   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
NodePrinter.java 0% 0% 0% 0%
coverage
 1   
 /*
 2   
  $Id: NodePrinter.java,v 1.3 2004/05/17 07:53:29 jstrachan Exp $
 3   
 
 4   
  Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
 5   
 
 6   
  Redistribution and use of this software and associated documentation
 7   
  ("Software"), with or without modification, are permitted provided
 8   
  that the following conditions are met:
 9   
 
 10   
  1. Redistributions of source code must retain copyright
 11   
     statements and notices.  Redistributions must also contain a
 12   
     copy of this document.
 13   
 
 14   
  2. Redistributions in binary form must reproduce the
 15   
     above copyright notice, this list of conditions and the
 16   
     following disclaimer in the documentation and/or other
 17   
     materials provided with the distribution.
 18   
 
 19   
  3. The name "groovy" must not be used to endorse or promote
 20   
     products derived from this Software without prior written
 21   
     permission of The Codehaus.  For written permission,
 22   
     please contact info@codehaus.org.
 23   
 
 24   
  4. Products derived from this Software may not be called "groovy"
 25   
     nor may "groovy" appear in their names without prior written
 26   
     permission of The Codehaus. "groovy" is a registered
 27   
     trademark of The Codehaus.
 28   
 
 29   
  5. Due credit should be given to The Codehaus -
 30   
     http://groovy.codehaus.org/
 31   
 
 32   
  THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
 33   
  ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
 34   
  NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 35   
  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 36   
  THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 37   
  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 38   
  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 39   
  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 40   
  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 41   
  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 42   
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 43   
  OF THE POSSIBILITY OF SUCH DAMAGE.
 44   
 
 45   
  */
 46   
 package groovy.util;
 47   
 
 48   
 
 49   
 import org.codehaus.groovy.runtime.InvokerHelper;
 50   
 
 51   
 import java.io.OutputStreamWriter;
 52   
 import java.io.PrintWriter;
 53   
 import java.util.Iterator;
 54   
 import java.util.List;
 55   
 import java.util.Map;
 56   
 
 57   
 /**
 58   
  * A helper class for creating nested trees of data
 59   
  * 
 60   
  * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
 61   
  * @version $Revision: 1.3 $
 62   
  */
 63   
 public class NodePrinter {
 64   
 
 65   
     private IndentPrinter out;
 66   
 
 67  0
     public NodePrinter() {
 68  0
         this(new IndentPrinter(new PrintWriter(new OutputStreamWriter(System.out))));
 69   
     }
 70   
 
 71  0
     public NodePrinter(PrintWriter out) {
 72  0
         this(new IndentPrinter(out));
 73   
     }
 74   
 
 75  0
     public NodePrinter(IndentPrinter out) {
 76  0
         this.out = out;
 77   
     }
 78   
 
 79  0
     public void print(Node node) {
 80  0
         out.printIndent();
 81  0
         printName(node);
 82  0
         Map attributes = node.attributes();
 83  0
         boolean hasAttributes = attributes != null && !attributes.isEmpty();
 84  0
         if (hasAttributes) {
 85  0
             printAttributes(attributes);
 86   
         }
 87  0
         Object value = node.value();
 88  0
         if (value instanceof List) {
 89  0
             if (!hasAttributes) {
 90  0
                 out.print("()");
 91   
             }
 92  0
             printList((List) value);
 93   
         }
 94   
         else {
 95  0
             if (value instanceof String) {
 96  0
                 out.print("('");
 97  0
                 out.print((String) value);
 98  0
                 out.println("')");
 99   
             }
 100   
             else {
 101  0
                 out.println("()");
 102   
             }
 103   
         }
 104  0
         out.flush();
 105   
     }
 106   
 
 107  0
     protected void printName(Node node) {
 108  0
         Object name = node.name();
 109  0
         if (name != null) {
 110  0
             out.print(name.toString());
 111   
         }
 112   
         else {
 113  0
             out.print("null");
 114   
         }
 115   
     }
 116   
 
 117  0
     protected void printList(List list) {
 118  0
         if (list.isEmpty()) {
 119  0
             out.println("");
 120   
         }
 121   
         else {
 122  0
             out.println(" {");
 123  0
             out.incrementIndent();
 124  0
             for (Iterator iter = list.iterator(); iter.hasNext();) {
 125  0
                 Object value = iter.next();
 126  0
                 if (value instanceof Node) {
 127  0
                     print((Node) value);
 128   
                 }
 129   
                 else {
 130  0
                     out.printIndent();
 131  0
                     out.print("builder.append(");
 132  0
                     out.print(InvokerHelper.toString(value));
 133  0
                     out.println(")");
 134   
                 }
 135   
             }
 136  0
             out.decrementIndent();
 137  0
             out.printIndent();
 138  0
             out.println("}");
 139   
         }
 140   
     }
 141   
 
 142   
 
 143  0
     protected void printAttributes(Map attributes) {
 144  0
         out.print("(");
 145  0
         boolean first = true;
 146  0
         for (Iterator iter = attributes.entrySet().iterator(); iter.hasNext();) {
 147  0
             Map.Entry entry = (Map.Entry) iter.next();
 148  0
             if (first) {
 149  0
                 first = false;
 150   
             }
 151   
             else {
 152  0
                 out.print(", ");
 153   
             }
 154  0
             out.print(entry.getKey().toString());
 155  0
             out.print(":");
 156  0
             if (entry.getValue() instanceof String) {
 157  0
                 out.print("'" + entry.getValue() + "'");
 158   
             }
 159   
             else {
 160  0
                 out.print(InvokerHelper.toString(entry.getValue()));
 161   
             }
 162   
         }
 163  0
         out.print(")");
 164   
     }
 165   
 
 166   
 }
 167