Java tutorial
/* * $Id$ * $URL$ * * ==================================================================== * Ikasan Enterprise Integration Platform * * Distributed under the Modified BSD License. * Copyright notice: The copyright for this software and a full listing * of individual contributors are as shown in the packaged copyright.txt * file. * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * - 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. * * - Neither the name of the ORGANIZATION nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS 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 COPYRIGHT HOLDER OR 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. * ==================================================================== */ package org.ikasan.dashboard.ui.administration.panel; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.log4j.Logger; import org.ikasan.configurationService.model.ConfigurationParameterMapImpl; import org.ikasan.dashboard.ui.framework.model.PlatformConfiguration; import org.ikasan.dashboard.ui.framework.model.PlatformConfigurationConfiguredResource; import org.ikasan.dashboard.ui.framework.validator.NonZeroLengthStringValidator; import org.ikasan.spec.configuration.Configuration; import org.ikasan.spec.configuration.ConfigurationManagement; import org.ikasan.spec.configuration.ConfigurationParameter; import org.ikasan.spec.configuration.ConfiguredResource; import com.vaadin.data.Validator.InvalidValueException; import com.vaadin.navigator.View; import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent; import com.vaadin.server.Page; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.GridLayout; import com.vaadin.ui.Label; import com.vaadin.ui.Notification; import com.vaadin.ui.Notification.Type; import com.vaadin.ui.Panel; import com.vaadin.ui.TextField; import com.vaadin.ui.themes.ValoTheme; /** * @author CMI2 Development Team * */ public class PlatformConfigurationPanel extends Panel implements View { private static final long serialVersionUID = 6005593259860222561L; private Logger logger = Logger.getLogger(PlatformConfigurationPanel.class); private ConfigurationManagement<ConfiguredResource, Configuration> configurationManagement; private PlatformConfigurationConfiguredResource platformConfigurationConfiguredResource; private Configuration platformConfiguration; private HashMap<String, TextFieldKeyValuePair> mapTextFields = new HashMap<String, TextFieldKeyValuePair>(); /** * Constructor * * @param ikasanModuleService */ public PlatformConfigurationPanel( ConfigurationManagement<ConfiguredResource, Configuration> configurationManagement) { super(); this.configurationManagement = configurationManagement; if (this.configurationManagement == null) { throw new IllegalArgumentException("configurationService cannot be null!"); } init(); } @SuppressWarnings("deprecation") protected void init() { } protected Panel createMapPanel(final ConfigurationParameterMapImpl parameter) { Panel paramPanel = new Panel(); paramPanel.setStyleName("dashboard"); paramPanel.setWidth("100%"); GridLayout paramLayout = new GridLayout(2, 3); paramLayout.setSpacing(true); paramLayout.setSizeFull(); paramLayout.setMargin(true); paramLayout.setColumnExpandRatio(0, .25f); paramLayout.setColumnExpandRatio(1, .75f); Label label = new Label("Platform Configuration"); label.addStyleName(ValoTheme.LABEL_HUGE); label.setSizeUndefined(); paramLayout.addComponent(label, 0, 0, 1, 0); paramLayout.setComponentAlignment(label, Alignment.TOP_LEFT); final Map<String, String> valueMap = parameter.getValue(); final GridLayout mapLayout = new GridLayout(5, (valueMap.size() != 0 ? valueMap.size() : 1) + 1); mapLayout.setColumnExpandRatio(0, .05f); mapLayout.setColumnExpandRatio(1, .425f); mapLayout.setColumnExpandRatio(2, .05f); mapLayout.setColumnExpandRatio(3, .425f); mapLayout.setColumnExpandRatio(4, .05f); mapLayout.setMargin(true); mapLayout.setSpacing(true); mapLayout.setWidth("100%"); int i = 0; for (final String key : valueMap.keySet()) { final Label keyLabel = new Label("Name:"); final Label valueLabel = new Label("Value:"); final TextField keyField = new TextField(); keyField.setValue(key); keyField.setWidth("100%"); keyField.setNullSettingAllowed(false); keyField.addValidator( new NonZeroLengthStringValidator("Then configuration value name cannot be empty!")); keyField.setValidationVisible(false); final TextField valueField = new TextField(); valueField.setWidth("100%"); valueField.setValue(valueMap.get(key)); valueField.setNullSettingAllowed(false); valueField.addValidator(new NonZeroLengthStringValidator("Then configuration value cannot be empty!")); valueField.setValidationVisible(false); mapLayout.addComponent(keyLabel, 0, i); mapLayout.setComponentAlignment(keyLabel, Alignment.MIDDLE_RIGHT); mapLayout.addComponent(keyField, 1, i); mapLayout.addComponent(valueLabel, 2, i); mapLayout.setComponentAlignment(valueLabel, Alignment.MIDDLE_RIGHT); mapLayout.addComponent(valueField, 3, i); final String mapKey = parameter.getName() + i; TextFieldKeyValuePair pair = new TextFieldKeyValuePair(); pair.key = keyField; pair.value = valueField; this.mapTextFields.put(mapKey, pair); final Button removeButton = new Button("remove"); removeButton.setStyleName(ValoTheme.BUTTON_LINK); removeButton.addClickListener(new Button.ClickListener() { public void buttonClick(ClickEvent event) { valueMap.remove(key); mapLayout.removeComponent(keyLabel); mapLayout.removeComponent(valueLabel); mapLayout.removeComponent(keyField); mapLayout.removeComponent(valueField); mapLayout.removeComponent(removeButton); mapTextFields.remove(mapKey); } }); mapLayout.addComponent(removeButton, 4, i); i++; } final Button addButton = new Button("add"); addButton.setStyleName(ValoTheme.BUTTON_LINK); addButton.addClickListener(new Button.ClickListener() { public void buttonClick(ClickEvent event) { final Label keyLabel = new Label("Name:"); final Label valueLabel = new Label("Value:"); final TextField keyField = new TextField(); keyField.setWidth("100%"); keyField.setNullSettingAllowed(false); keyField.addValidator( new NonZeroLengthStringValidator("Then configuration value name cannot be empty!")); keyField.setValidationVisible(false); final TextField valueField = new TextField(); valueField.setWidth("100%"); valueField.setNullSettingAllowed(false); valueField.addValidator( new NonZeroLengthStringValidator("Then configuration value cannot be empty!")); valueField.setValidationVisible(false); mapLayout.insertRow(mapLayout.getRows()); mapLayout.removeComponent(addButton); mapLayout.addComponent(keyLabel, 0, mapLayout.getRows() - 2); mapLayout.setComponentAlignment(keyLabel, Alignment.MIDDLE_RIGHT); mapLayout.addComponent(keyField, 1, mapLayout.getRows() - 2); mapLayout.addComponent(valueLabel, 2, mapLayout.getRows() - 2); mapLayout.setComponentAlignment(valueLabel, Alignment.MIDDLE_RIGHT); mapLayout.addComponent(valueField, 3, mapLayout.getRows() - 2); final String mapKey = parameter.getName() + mapTextFields.size(); TextFieldKeyValuePair pair = new TextFieldKeyValuePair(); pair.key = keyField; pair.value = valueField; mapTextFields.put(mapKey, pair); final Button removeButton = new Button("remove"); removeButton.setStyleName(ValoTheme.BUTTON_LINK); removeButton.addClickListener(new Button.ClickListener() { public void buttonClick(ClickEvent event) { mapLayout.removeComponent(keyLabel); mapLayout.removeComponent(valueLabel); mapLayout.removeComponent(keyField); mapLayout.removeComponent(valueField); mapLayout.removeComponent(removeButton); mapTextFields.remove(mapKey); } }); mapLayout.addComponent(removeButton, 4, mapLayout.getRows() - 2); mapLayout.addComponent(addButton, 0, mapLayout.getRows() - 1); } }); mapLayout.addComponent(addButton, 0, mapLayout.getRows() - 1); Panel mapPanel = new Panel(); mapPanel.setStyleName(ValoTheme.PANEL_BORDERLESS); mapPanel.setContent(mapLayout); Button saveButton = new Button("Save"); saveButton.addStyleName(ValoTheme.BUTTON_SMALL); saveButton.addClickListener(new Button.ClickListener() { public void buttonClick(ClickEvent event) { try { for (TextFieldKeyValuePair textField : mapTextFields.values()) { textField.key.validate(); textField.value.validate(); } } catch (InvalidValueException e) { for (TextFieldKeyValuePair textField : mapTextFields.values()) { textField.key.setValidationVisible(true); textField.value.setValidationVisible(true); } Notification.show("Validation errors have occurred!", Type.ERROR_MESSAGE); return; } HashMap<String, String> map = new HashMap<String, String>(); logger.info("Saving map: " + mapTextFields.size()); for (String key : mapTextFields.keySet()) { if (key.startsWith(parameter.getName())) { TextFieldKeyValuePair pair = mapTextFields.get(key); logger.info("Saving for key: " + key); if (pair.key.getValue() != "") { map.put(pair.key.getValue(), pair.value.getValue()); } } } parameter.setValue(map); PlatformConfigurationPanel.this.configurationManagement.saveConfiguration(platformConfiguration); Notification notification = new Notification("Saved", "The configuration has been saved successfully!", Type.HUMANIZED_MESSAGE); notification.setStyleName(ValoTheme.NOTIFICATION_CLOSABLE); notification.show(Page.getCurrent()); } }); paramLayout.addComponent(mapPanel, 0, 1, 1, 1); paramLayout.setComponentAlignment(mapPanel, Alignment.TOP_CENTER); paramLayout.addComponent(saveButton, 0, 2, 1, 2); paramLayout.setComponentAlignment(saveButton, Alignment.TOP_CENTER); paramPanel.setContent(paramLayout); return paramPanel; } /* * (non-Javadoc) * * @see * com.vaadin.navigator.View#enter(com.vaadin.navigator.ViewChangeListener * .ViewChangeEvent) */ @Override public void enter(ViewChangeEvent event) { this.platformConfigurationConfiguredResource = new PlatformConfigurationConfiguredResource(); platformConfiguration = this.configurationManagement .getConfiguration(this.platformConfigurationConfiguredResource); // create the configuration if it does not already exist! if (platformConfiguration == null) { this.platformConfigurationConfiguredResource.setConfiguration(new PlatformConfiguration()); platformConfiguration = this.configurationManagement .createConfiguration(platformConfigurationConfiguredResource); } final List<ConfigurationParameter> parameters = (List<ConfigurationParameter>) platformConfiguration .getParameters(); //There will only be one map parameter! this.setContent(this.createMapPanel((ConfigurationParameterMapImpl) parameters.get(0))); } private class TextFieldKeyValuePair { public TextField key; public TextField value; } }