ModifiableMetadata changes for revisions 24819:24820

The method added by this commit basically duplicates the toString() method of standard Java collection. It also contains a mysterious call to Iterator.remove() at the iteration end. This method has not been keep in Geotk.

Command line:

svn diff --extensions "--unified --ignore-space-change --ignore-all-space --ignore-eol-style" -r24819:24820 https://svn.osgeo.org/geotools/trunk/modules/library/metadata/src/main/java/org/geotools/metadata/ModifiableMetadata.java
Revision 24819Revision 24820
            buffer.append(System.getProperty("line.separator", "\n"));
        }
    }
}
 
            buffer.append(System.getProperty("line.separator", "\n"));
        }
    }

    /**
     * Add the contents of a collection to the provided buffer.
     * This convenience method is used for {@link #toString) implementations.
     * Output will be: "label: [1,2,3]"
     *
     * @param buffer     string buffer to add the collection contents to
     * @param label      label for easy identification
     * @param collection source object
     */
    protected static void appendCollection(final StringBuffer buffer, String label, Collection collection) {
        buffer.append(label);
        buffer.append(": [");
        if (collection != null && !collection.isEmpty()) {
            Iterator it = collection.iterator();
            while (it.hasNext()) {
                buffer.append(it.next().toString());
                if (it.hasNext()) {
                    buffer.append(",");
                }
            }
            it.remove();
            it = null;
        }
        buffer.append("]");
    }
}