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From scolebou...@apache.org
Subject svn commit: r333060 - in /jakarta/commons/proper/collections/trunk: RELEASE-NOTES.html src/java/org/apache/commons/collections/ExtendedProperties.java src/test/org/apache/commons/collections/TestExtendedProperties.java
Date Sun, 13 Nov 2005 16:59:57 GMT
Author: scolebourne
Date: Sun Nov 13 08:59:51 2005
New Revision: 333060

URL: http://svn.apache.org/viewcvs?rev=333060&view=rev
Log:
Make ExtendedProperties support List rather than just Vector
bug 36812, from Henning P. Schmiedehausen

Modified:
    jakarta/commons/proper/collections/trunk/RELEASE-NOTES.html
    jakarta/commons/proper/collections/trunk/src/java/org/apache/commons/collections/ExtendedProperties.java
    jakarta/commons/proper/collections/trunk/src/test/org/apache/commons/collections/TestExtendedProperties.java

Modified: jakarta/commons/proper/collections/trunk/RELEASE-NOTES.html
URL: http://svn.apache.org/viewcvs/jakarta/commons/proper/collections/trunk/RELEASE-NOTES.html?rev=333060&r1=333059&r2=333060&view=diff
==============================================================================
--- jakarta/commons/proper/collections/trunk/RELEASE-NOTES.html (original)
+++ jakarta/commons/proper/collections/trunk/RELEASE-NOTES.html Sun Nov 13 08:59:51 2005
@@ -67,6 +67,8 @@
 <li>CollectionUtils/MapUtils.isEmpty/isNotEmpty - Null-safe checks of collection emptyness
[35890]</li>
 <li>CollectionUtils.sizeIsEmpty - Checks if a collection, array, map, iterator or enumeration
is empty</li>
 <li>CollectionUtils/ListUtils - retainAll/removeAll that don't change original colllection</li>
+<li>ExtendedProperties - Accepts List elements (does not enforce Vector) as values
[36812]</li>
+<li>ExtendedProperties - new Methods getList(String key) and getList(String key, List
defaults) [36812]</li>
 <li>ExtendedProperties - No longer uses an exception in normal processing [30497]</li>
 <li>BlockingBuffer - now includes stack trace if InterupttedException occurs [33700]</li>
 <li>BlockingBuffer - new methods that allow get and remove with a timeout [27691]</li>

Modified: jakarta/commons/proper/collections/trunk/src/java/org/apache/commons/collections/ExtendedProperties.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/proper/collections/trunk/src/java/org/apache/commons/collections/ExtendedProperties.java?rev=333060&r1=333059&r2=333060&view=diff
==============================================================================
--- jakarta/commons/proper/collections/trunk/src/java/org/apache/commons/collections/ExtendedProperties.java
(original)
+++ jakarta/commons/proper/collections/trunk/src/java/org/apache/commons/collections/ExtendedProperties.java
Sun Nov 13 08:59:51 2005
@@ -138,6 +138,7 @@
  * @author Mohan Kishore
  * @author Stephen Colebourne
  * @author Shinobu Kawai
+ * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
  */
 public class ExtendedProperties extends Hashtable {
     
@@ -691,14 +692,14 @@
 
         if (current instanceof String) {
             // one object already in map - convert it to a vector
-            Vector v = new Vector(2);
-            v.addElement(current);
-            v.addElement(value);
-            put(key, v);
+            List values = new Vector(2);
+            values.add(current);
+            values.add(value);
+            put(key, values);
             
-        } else if (current instanceof Vector) {
-            // already a vector - just add the new token
-            ((Vector) current).addElement(value);
+        } else if (current instanceof List) {
+            // already a list - just add the new token
+            ((List) current).add(value);
             
         } else {
             // brand new key - store in keysAsListed to retain order
@@ -752,11 +753,10 @@
                     currentOutput.append(escape((String) value));
                     theWrtr.println(currentOutput.toString());
                     
-                } else if (value instanceof Vector) {
-                    Vector values = (Vector) value;
-                    Enumeration valuesEnum = values.elements();
-                    while (valuesEnum.hasMoreElements()) {
-                        String currentElement = (String) valuesEnum.nextElement();
+                } else if (value instanceof List) {
+                    List values = (List) value;
+                    for (Iterator it = values.iterator(); it.hasNext(); ) {
+                        String currentElement = (String) it.next();
                         StringBuffer currentOutput = new StringBuffer();
                         currentOutput.append(key);
                         currentOutput.append("=");
@@ -931,8 +931,8 @@
             } else {
                 return interpolate(defaultValue);
             }
-        } else if (value instanceof Vector) {
-            return interpolate((String) ((Vector) value).get(0));
+        } else if (value instanceof List) {
+            return interpolate((String) ((List) value).get(0));
         } else {
             throw new ClassCastException('\'' + key + "' doesn't map to a String object");
         }
@@ -945,7 +945,7 @@
      * @param key The configuration key.
      * @return The associated properties if key is found.
      * @throws ClassCastException is thrown if the key maps to an
-     * object that is not a String/Vector.
+     * object that is not a String/List.
      * @throws IllegalArgumentException if one of the tokens is
      * malformed (does not contain an equals sign).
      */
@@ -960,7 +960,7 @@
      * @param key The configuration key.
      * @return The associated properties if key is found.
      * @throws ClassCastException is thrown if the key maps to an
-     * object that is not a String/Vector.
+     * object that is not a String/List.
      * @throws IllegalArgumentException if one of the tokens is
      * malformed (does not contain an equals sign).
      */
@@ -993,19 +993,18 @@
      * @param key The configuration key.
      * @return The associated string array if key is found.
      * @throws ClassCastException is thrown if the key maps to an
-     * object that is not a String/Vector.
+     * object that is not a String/List.
      */
     public String[] getStringArray(String key) {
         Object value = get(key);
 
-        // What's your vector, Victor?
-        Vector vector;
+        List values;
         if (value instanceof String) {
-            vector = new Vector(1);
-            vector.addElement(value);
+            values = new Vector(1);
+            values.add(value);
             
-        } else if (value instanceof Vector) {
-            vector = (Vector) value;
+        } else if (value instanceof List) {
+            values = (List) value;
             
         } else if (value == null) {
             if (defaults != null) {
@@ -1014,12 +1013,12 @@
                 return new String[0];
             }
         } else {
-            throw new ClassCastException('\'' + key + "' doesn't map to a String/Vector object");
+            throw new ClassCastException('\'' + key + "' doesn't map to a String/List object");
         }
 
-        String[] tokens = new String[vector.size()];
+        String[] tokens = new String[values.size()];
         for (int i = 0; i < tokens.length; i++) {
-            tokens[i] = (String) vector.elementAt(i);
+            tokens[i] = (String) values.get(i);
         }
 
         return tokens;
@@ -1039,8 +1038,10 @@
     }
 
     /**
-     * Get a Vector of strings associated with the given configuration
-     * key.
+     * Get a Vector of strings associated with the given configuration key.
+     * <p>
+     * The list is a copy of the internal data of this object, and as
+     * such you may alter it freely.
      *
      * @param key The configuration key.
      * @param defaultValue The default value.
@@ -1051,14 +1052,14 @@
     public Vector getVector(String key, Vector defaultValue) {
         Object value = get(key);
 
-        if (value instanceof Vector) {
-            return (Vector) value;
+        if (value instanceof List) {
+            return new Vector((List) value);
             
         } else if (value instanceof String) {
-            Vector v = new Vector(1);
-            v.addElement(value);
-            put(key, v);
-            return v;
+            Vector values = new Vector(1);
+            values.add(value);
+            put(key, values);
+            return values;
             
         } else if (value == null) {
             if (defaults != null) {
@@ -1068,6 +1069,56 @@
             }
         } else {
             throw new ClassCastException('\'' + key + "' doesn't map to a Vector object");
+        }
+    }
+
+    /**
+     * Get a List of strings associated with the given configuration key.
+     * <p>
+     * The list is a copy of the internal data of this object, and as
+     * such you may alter it freely.
+     *
+     * @param key The configuration key.
+     * @return The associated List object.
+     * @throws ClassCastException is thrown if the key maps to an
+     * object that is not a List.
+     */
+    public List getList(String key) {
+        return getList(key, null);
+    }
+
+    /**
+     * Get a List of strings associated with the given configuration key.
+     * <p>
+     * The list is a copy of the internal data of this object, and as
+     * such you may alter it freely.
+     *
+     * @param key The configuration key.
+     * @param defaultValue The default value.
+     * @return The associated List.
+     * @throws ClassCastException is thrown if the key maps to an
+     * object that is not a List.
+     */
+    public List getList(String key, List defaultValue) {
+        Object value = get(key);
+
+        if (value instanceof List) {
+            return new ArrayList((List) value);
+            
+        } else if (value instanceof String) {
+            List values = new ArrayList(1);
+            values.add(value);
+            put(key, values);
+            return values;
+            
+        } else if (value == null) {
+            if (defaults != null) {
+                return defaults.getList(key, defaultValue);
+            } else {
+                return ((defaultValue == null) ? new ArrayList() : defaultValue);
+            }
+        } else {
+            throw new ClassCastException('\'' + key + "' doesn't map to a List object");
         }
     }
 

Modified: jakarta/commons/proper/collections/trunk/src/test/org/apache/commons/collections/TestExtendedProperties.java
URL: http://svn.apache.org/viewcvs/jakarta/commons/proper/collections/trunk/src/test/org/apache/commons/collections/TestExtendedProperties.java?rev=333060&r1=333059&r2=333060&view=diff
==============================================================================
--- jakarta/commons/proper/collections/trunk/src/test/org/apache/commons/collections/TestExtendedProperties.java
(original)
+++ jakarta/commons/proper/collections/trunk/src/test/org/apache/commons/collections/TestExtendedProperties.java
Sun Nov 13 08:59:51 2005
@@ -33,6 +33,7 @@
  * @author Mohan Kishore
  * @author Stephen Colebourne
  * @author Shinobu Kawai
+ * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
  */
 public class TestExtendedProperties extends TestCase {
     
@@ -65,14 +66,15 @@
         assertEquals("This returns '1'", eprop.getString("number"), "1");
 
         /*
-         * now add another and get a Vector
+         * now add another and get a Vector/list
          */
         eprop.addProperty("number", "2");
         assertTrue("This returns array", (eprop.getVector("number") instanceof java.util.Vector));
+        assertTrue("This returns array", (eprop.getList("number") instanceof java.util.List));
 
         /*
          *  now test dan's new fix where we get the first scalar 
-         *  when we access a vector valued
+         *  when we access a vector/list valued
          *  property
          */
         assertTrue("This returns scalar", (eprop.getString("number") instanceof String));
@@ -83,6 +85,7 @@
         String prop = "hey, that's a test";
         eprop.setProperty("prop.string", prop);
         assertTrue("This returns vector", (eprop.getVector("prop.string") instanceof java.util.Vector));
+        assertTrue("This returns list", (eprop.getList("prop.string") instanceof java.util.List));
 
         String prop2 = "hey\\, that's a test";
         eprop.remove("prop.string");
@@ -99,6 +102,7 @@
         assertTrue("Returns the full string", subEprop.getString("string").equals(prop));
         assertTrue("This returns string for subset", (subEprop.getString("string") instanceof
java.lang.String));
         assertTrue("This returns array for subset", (subEprop.getVector("string") instanceof
java.util.Vector));
+        assertTrue("This returns array for subset", (subEprop.getList("string") instanceof
java.util.List));
 
     }
 
@@ -133,6 +137,13 @@
                     "Hello", ep1.getVector("three").get(0));
             assertEquals("Commas not interpreted properly", 
                     "World", ep1.getVector("three").get(1));
+
+            assertEquals("Commas not interpreted properly", 
+                    2, ep1.getList("three").size());
+            assertEquals("Commas not interpreted properly", 
+                    "Hello", ep1.getList("three").get(0));
+            assertEquals("Commas not interpreted properly", 
+                    "World", ep1.getList("three").get(1));
                     
             ByteArrayOutputStream baos = new ByteArrayOutputStream();
             ep1.save(baos, null);
@@ -186,10 +197,16 @@
         ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
         ep1.load(bais);
         assertEquals(1, ep1.size());
+
         assertEquals(3, ep1.getVector("one").size());
         assertEquals("a", ep1.getVector("one").get(0));
         assertEquals("b", ep1.getVector("one").get(1));
         assertEquals("c", ep1.getVector("one").get(2));
+
+        assertEquals(3, ep1.getList("one").size());
+        assertEquals("a", ep1.getList("one").get(0));
+        assertEquals("b", ep1.getList("one").get(1));
+        assertEquals("c", ep1.getList("one").get(2));
     }
     
     public void testMultipleSameKey2() throws Exception {
@@ -205,11 +222,18 @@
         ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
         ep1.load(bais);
         assertEquals(1, ep1.size());
+
         assertEquals(4, ep1.getVector("one").size());
         assertEquals("a", ep1.getVector("one").get(0));
         assertEquals("b", ep1.getVector("one").get(1));
         assertEquals("c", ep1.getVector("one").get(2));
         assertEquals("d", ep1.getVector("one").get(3));
+
+        assertEquals(4, ep1.getList("one").size());
+        assertEquals("a", ep1.getList("one").get(0));
+        assertEquals("b", ep1.getList("one").get(1));
+        assertEquals("c", ep1.getList("one").get(2));
+        assertEquals("d", ep1.getList("one").get(3));
     }
     
     public void testMultipleSameKey3() throws Exception {
@@ -225,10 +249,16 @@
         ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
         ep1.load(bais);
         assertEquals(1, ep1.size());
+
         assertEquals(3, ep1.getVector("one").size());
         assertEquals("a", ep1.getVector("one").get(0));
         assertEquals("b", ep1.getVector("one").get(1));
         assertEquals("c", ep1.getVector("one").get(2));
+
+        assertEquals(3, ep1.getList("one").size());
+        assertEquals("a", ep1.getList("one").get(0));
+        assertEquals("b", ep1.getList("one").get(1));
+        assertEquals("c", ep1.getList("one").get(2));
     }
     
     public void testMultipleSameKeyByCode() throws Exception {
@@ -236,22 +266,38 @@
 
         ep1.addProperty("one", "a");
         assertEquals(1, ep1.size());
+
         assertEquals(1, ep1.getVector("one").size());
         assertEquals("a", ep1.getVector("one").get(0));
+
+        assertEquals(1, ep1.getList("one").size());
+        assertEquals("a", ep1.getList("one").get(0));
         
         ep1.addProperty("one", Boolean.TRUE);
         assertEquals(1, ep1.size());
+
         assertEquals(2, ep1.getVector("one").size());
         assertEquals("a", ep1.getVector("one").get(0));
         assertEquals(Boolean.TRUE, ep1.getVector("one").get(1));
+
+        assertEquals(2, ep1.getList("one").size());
+        assertEquals("a", ep1.getList("one").get(0));
+        assertEquals(Boolean.TRUE, ep1.getList("one").get(1));
         
         ep1.addProperty("one", "c,d");
         assertEquals(1, ep1.size());
+
         assertEquals(4, ep1.getVector("one").size());
         assertEquals("a", ep1.getVector("one").get(0));
         assertEquals(Boolean.TRUE, ep1.getVector("one").get(1));
         assertEquals("c", ep1.getVector("one").get(2));
         assertEquals("d", ep1.getVector("one").get(3));
+
+        assertEquals(4, ep1.getList("one").size());
+        assertEquals("a", ep1.getList("one").get(0));
+        assertEquals(Boolean.TRUE, ep1.getList("one").get(1));
+        assertEquals("c", ep1.getList("one").get(2));
+        assertEquals("d", ep1.getList("one").get(3));
     }
 
     public void testInheritDefaultProperties() {



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