Please create a bugzilla enhancement ticket and attach a cvs diff -u
formatted patch to it.
Thanks!
David
--- Paul Sundling <[EMAIL PROTECTED]> wrote:
> Hopefully you will see fit to accept my code and allow me to make my
> first non-documentation open source contribution. The code I have added
>
> makes it VERY easy to sort an array of LabelValueBeans for display in
> select lists.
>
> Here's a sample of how to use the newly added functionality
>
> <inside the execute function of an Action used for setup>
>
> LabelValueBean[] sortableList = new LabelValueBean[] {
> new LabelValueBean("unorganized", "ung"),
> new LabelValueBean("out of order", "ood"),
> new LabelValueBean("Capitalized", "Cap"),
> new LabelValueBean"("Not Lowercase", "Nl"),
> };
> // to sort the list alphabetically by label
> java.util.Arrays.sort(sortableList);
> // or to sort the list case insensitive by label
> java.util.Arrays.sort(sortableList,
> LabelValueBean.CASE_INSENSITIVE_ORDER);
>
> request.setAttribute("sortableList", sortableList);
>
> //then the sortableList is used in the <html:options> tags....
>
> I have attached the complete file beside including the diff in case that
>
> is useful.
>
>
> The diff versus version 1.6 of the file (
>
> # diff LabelValueBean.java.version1.6 LabelValueBean.java
> 65c65
> <
> ---
> > import java.util.Comparator;
> 74a75,76
> > * @author Paul Sundling
> > *
> 77c79
> < public class LabelValueBean implements Serializable {
> ---
> > public class LabelValueBean implements Comparable, Serializable {
> 181a184,210
> > /**
> > * The comparable interface allows sorting. This is done based
> on the
> > * label, since that is the human viewable part of the object.
> > * @see java.lang.Comparable
> > */
> > public int compareTo(Object otherBean) {
> > // implicitly tests for the correct type, throwing
> ClassCastException
> > // as required by interface
> > String otherLabel = ((LabelValueBean)otherBean).getLabel();
> >
> > //compare the labels of the LabelValueBean objects
> > return this.getLabel().compareTo(otherLabel);
> > }
> >
> > /**
> > * Comparator object that can be used for a case insensitive
> order
> > * sort of LabelValueBean objects. The idea for this comes from
> > * java.lang.String
> > */
> > public static Comparator CASE_INSENSITIVE_ORDER = new
> Comparator() {
> > public int compare(Object Bean1, Object Bean2) {
> > String label1 =
> ((LabelValueBean)Bean1).getLabel();
> > String label2 =
> ((LabelValueBean)Bean2).getLabel();
> > return label1.compareToIgnoreCase(label2);
> >
> > }
> > };
> > /*
> * $Header:
>
/home/cvspublic/jakarta-struts/src/share/org/apache/struts/util/LabelValueBean.java,v
> 1.6 2003/07/04 18:26:19 dgraham Exp $
> * $Revision: 1.6 $
> * $Date: 2003/07/04 18:26:19 $
> *
> * ====================================================================
> *
> * The Apache Software License, Version 1.1
> *
> * Copyright (c) 1999-2003 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 acknowlegement:
> * "This product includes software developed by the
> * Apache Software Foundation (http://www.apache.org/)."
> * Alternately, this acknowlegement may appear in the software
> itself,
> * if and wherever such third-party acknowlegements normally appear.
> *
> * 4. The names "The Jakarta Project", "Struts", 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 [EMAIL PROTECTED]
> *
> * 5. Products derived from this software may not be called "Apache"
> * nor may "Apache" appear in their names without prior written
> * permission of the Apache Group.
> *
> * 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.struts.util;
>
> import java.io.Serializable;
> import java.util.Comparator;
> /**
> * A simple JavaBean to represent label-value pairs. This is most
> commonly used
> * when constructing user interface elements which have a label to be
> displayed
> * to the user, and a corresponding value to be returned to the server.
> One
> * example is the <code><html:options></code> tag.
> *
> * @author Craig R. McClanahan
> * @author Martin F N Cooper
> * @author David Graham
> * @author Paul Sundling
> *
> * @version $Revision: 1.6 $ $Date: 2003/07/04 18:26:19 $
> */
> public class LabelValueBean implements Comparable, Serializable {
>
>
> // -----------------------------------------------------------
> Constructors
>
>
> /**
> * Default constructor.
> */
> public LabelValueBean() {
> super();
> }
>
> /**
> * Construct an instance with the supplied property values.
> *
> * @param label The label to be displayed to the user.
> * @param value The value to be returned to the server.
> */
> public LabelValueBean(String label, String value) {
> this.label = label;
> this.value = value;
> }
>
>
> // -------------------------------------------------------------
> Properties
>
>
> /**
> * The property which supplies the option label visible to the end
> user.
> */
> private String label = null;
>
> public String getLabel() {
> return this.label;
> }
>
> public void setLabel(String label) {
> this.label = label;
> }
>
>
> /**
> * The property which supplies the value returned to the server.
> */
> private String value = null;
>
> public String getValue() {
> return this.value;
> }
>
> public void setValue(String value) {
> this.value = value;
> }
>
>
> // --------------------------------------------------------- Public
> Methods
>
>
> /**
> * Return a string representation of this object.
> */
> public String toString() {
> StringBuffer sb = new StringBuffer("LabelValueBean[");
> sb.append(this.label);
> sb.append(", ");
> sb.append(this.value);
> sb.append("]");
> return (sb.toString());
> }
>
> /**
> * LabelValueBeans are equal if their values are both null or equal.
> * @see java.lang.Object#equals(java.lang.Object)
> */
> public boolean equals(Object obj) {
> if (obj == this) {
> return true;
> }
>
> if (!(obj instanceof LabelValueBean)) {
> return false;
> }
>
> LabelValueBean bean = (LabelValueBean) obj;
> int nil = (this.getValue() == null) ? 1 : 0;
> nil += (bean.getValue() == null) ? 1 : 0;
>
> if (nil == 2) {
> return true;
> } else if (nil == 1) {
> return false;
> } else {
> return this.getValue().equals(bean.getValue());
> }
>
> }
>
> /**
> * The hash code is based on the object's value.
> * @see java.lang.Object#hashCode()
> */
> public int hashCode() {
> return (this.getValue() == null) ? 17 :
> this.getValue().hashCode();
> }
> /**
> * The comparable interface allows sorting. This is done based on
> the
> * label, since that is the human viewable part of the object.
> * @see java.lang.Comparable
> */
>
=== message truncated ===>
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