Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package org.apache.jmeter.util; import java.awt.Component; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.beans.PropertyDescriptor; import java.beans.PropertyEditorSupport; import java.util.ResourceBundle; import java.util.UUID; import javax.swing.JCheckBox; import org.apache.commons.lang3.StringUtils; import org.apache.jmeter.testbeans.BeanInfoSupport; import org.apache.jmeter.testbeans.TestBean; import org.apache.jmeter.testbeans.gui.FileEditor; import org.apache.jmeter.testbeans.gui.TextAreaEditor; /** * Parent class to define common GUI parameters for BSF and JSR223 test elements */ public abstract class ScriptingBeanInfoSupport extends BeanInfoSupport { public ScriptingBeanInfoSupport(Class<? extends TestBean> beanClass, String[] languageTags) { this(beanClass, languageTags, null); } protected ScriptingBeanInfoSupport(Class<? extends TestBean> beanClass, String[] languageTags, ResourceBundle rb) { super(beanClass); PropertyDescriptor p; p = property("scriptLanguage"); // $NON-NLS-1$ p.setValue(NOT_UNDEFINED, Boolean.TRUE); p.setValue(DEFAULT, ""); // $NON-NLS-1$ if (rb != null) { p.setValue(RESOURCE_BUNDLE, rb); } p.setValue(TAGS, languageTags); createPropertyGroup("scriptingLanguage", // $NON-NLS-1$ new String[] { "scriptLanguage" }); // $NON-NLS-1$ p = property("parameters"); // $NON-NLS-1$ p.setValue(NOT_UNDEFINED, Boolean.TRUE); p.setValue(DEFAULT, ""); // $NON-NLS-1$ createPropertyGroup("parameterGroup", // $NON-NLS-1$ new String[] { "parameters" }); // $NON-NLS-1$ p = property("filename"); // $NON-NLS-1$ p.setValue(NOT_UNDEFINED, Boolean.TRUE); p.setValue(DEFAULT, ""); // $NON-NLS-1$ p.setPropertyEditorClass(FileEditor.class); createPropertyGroup("filenameGroup", // $NON-NLS-1$ new String[] { "filename" }); // $NON-NLS-1$ /* * If we are creating a JSR223 element, add the cache key property. * * Note that this cannot be done in the JSR223BeanInfoSupport class * because that causes problems with the group; its properties are * not always set up before they are needed. This cause various * issues with the GUI: * - wrong field attributes (should not allow null) * - sometimes GUI is completely mangled * - field appears at start rather than at end. * - the following warning is logged: * jmeter.testbeans.gui.GenericTestBeanCustomizer: * org.apache.jmeter.util.JSR223TestElement#cacheKey does not appear to have been configured * * Adding the group here solves these issues, and it's also * possible to add the key just before the script panel * to which it relates. * * It's not yet clear why this should be, but it looks as though * createPropertyGroup does not work properly if it is called from * any subclasses of this class. * */ if (JSR223TestElement.class.isAssignableFrom(beanClass)) { p = property("cacheKey"); // $NON-NLS-1$ p.setValue(NOT_UNDEFINED, Boolean.TRUE); p.setValue(DEFAULT, ""); // $NON-NLS-1$ p.setPropertyEditorClass(JSR223ScriptCacheCheckboxEditor.class); createPropertyGroup("cacheKey_group", // $NON-NLS-1$ new String[] { "cacheKey" }); // $NON-NLS-1$ } p = property("script"); // $NON-NLS-1$ p.setValue(NOT_UNDEFINED, Boolean.TRUE); p.setValue(DEFAULT, ""); // $NON-NLS-1$ p.setPropertyEditorClass(TextAreaEditor.class); createPropertyGroup("scripting", // $NON-NLS-1$ new String[] { "script" }); // $NON-NLS-1$ } public static class JSR223ScriptCacheCheckboxEditor extends PropertyEditorSupport implements ActionListener { private final JCheckBox checkbox; /** * Value on which we started the editing. */ private String initialValue = null; public JSR223ScriptCacheCheckboxEditor() { super(); checkbox = new JCheckBox(); checkbox.addActionListener(this); } @Override public String getAsText() { String value = null; if (checkbox.isSelected()) { if (initialValue != null) { value = initialValue; } else { // the value is unique -> if the script is opened with a previous version of jmeter // where the cache key is used as the key for the cache // in the current version the key is automatically generated from the script content value = UUID.randomUUID().toString(); } } return value; } @Override public void setAsText(String value) { if (StringUtils.isNotBlank(value)) { initialValue = value; } checkbox.setSelected(initialValue != null); } @Override public Object getValue() { return getAsText(); } @Override public void setValue(Object value) { if (value instanceof String) { setAsText((String) value); } else { throw new IllegalArgumentException(); } } @Override public Component getCustomEditor() { return checkbox; } @Override public void firePropertyChange() { String newValue = getAsText(); if (initialValue != null && initialValue.equals(newValue)) { return; } initialValue = newValue; super.firePropertyChange(); } @Override public void actionPerformed(ActionEvent e) { firePropertyChange(); } @Override public boolean supportsCustomEditor() { return true; } } }