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This file is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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The source code

// $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/testbeans/gui/,v 1.5 2004/02/11 17:29:14 jsalvata Exp $
 * Copyright 2004 The Apache Software Foundation.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.jmeter.testbeans.gui;

import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import java.beans.BeanInfo;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.beans.PropertyEditor;
import java.beans.PropertyEditorManager;

import java.text.MessageFormat;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Map;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.JLabel;
import javax.swing.JPanel;

import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;

 * The GenericTestBeanCustomizer is designed to provide developers with a
 * mechanism to quickly implement GUIs for new components.

* It allows editing each of the public exposed properties of the * edited type 'a la JavaBeans': as far as the types of those properties * have an associated editor, there's no GUI development required. *

* This class understands the following PropertyDescriptor attributes: *

group: String
Group under which the property should be shown in the GUI. The string is * also used as a group title (but see comment on resourceBundle below). The * default group is "".
order: Integer
Order in which the property will be shown in its group. A smaller * integer means higher up in the GUI. The default order is 0. Properties * of equal order are sorted alphabetically.
tags: String[]
List of values to be offered for the property in addition to those * offered by its property editor.
notUndefined: Boolean
If true, the property should not be left undefined. A default * attribute must be provided if this is set.
notExpression: Boolean
If true, the property content should always be constant: JMeter * 'expressions' (strings using ${var}, etc...) can't be used. *
notOther: Boolean
If true, the property content must always be one of the tags values or * null. *
default: Object
Initial value for the property's GUI. Must be provided and be non-null * if notUndefined is set. Must be one of the provided tags (or null) if * notOther is set. *

* The following BeanDescriptor attributes are also understood: *

* Integer
where group is a group name used in a group * attribute in one or more PropertyDescriptors. Defines the order in which * the group will be shown in the GUI. A smaller integer means higher up * in the GUI. The default order is 0. Groups of equal order are sorted * alphabetically.
resourceBundle: ResourceBundle
A resource bundle to be used for GUI localization: group display names * will be obtained from property "group.displayName" if * available (where group is the group name). *
* * @author Jordi Salvat i Alabart * @version $Revision: 1.5 $ updated on $Date: 2004/02/11 17:29:14 $ */ public class GenericTestBeanCustomizer extends JPanel implements SharedCustomizer, PropertyChangeListener { private static Logger log = LoggingManager.getLoggerForClass(); public static final String GROUP= "group"; public static final String ORDER= "order"; public static final String TAGS= "tags"; public static final String NOT_UNDEFINED= "notUndefined"; public static final String NOT_EXPRESSION= "notExpression"; public static final String NOT_OTHER= "notOther"; public static final String DEFAULT= "default"; public static final String RESOURCE_BUNDLE= "resourceBundle"; public static final String ORDER(String group) { return "group."+group+".order"; } public static final String DEFAULT_GROUP= ""; /** * BeanInfo object for the class of the objects being edited. */ private BeanInfo beanInfo; /** * Property descriptors from the beanInfo. */ private PropertyDescriptor[] descriptors; /** * Property editors -- or null if the property can't be edited. * Unused if customizerClass==null. */ private PropertyEditor[] editors; /** * Message format for property field labels: */ private MessageFormat propertyFieldLabelMessage; /** * Message format for property tooltips: */ private MessageFormat propertyToolTipMessage; /** * The Map we're currently customizing. Set by setObject(). */ private Map propertyMap; /** * Create a customizer for a given test bean type. * * @param testBeanClass a subclass of TestBean * @see org.apache.jmeter.testbeans.TestBean */ GenericTestBeanCustomizer(BeanInfo beanInfo) { super(); this.beanInfo= beanInfo; // Get and sort the property descriptors: descriptors= beanInfo.getPropertyDescriptors(); Arrays.sort(descriptors, new PropertyComparator()); // Obtain the propertyEditors: editors= new PropertyEditor[descriptors.length]; for (int i=0; i
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