/* * $Id$ * * 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.struts2.dojo.components; import java.util.Random; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts2.components.ClosingUIBean; import org.apache.struts2.views.annotations.StrutsTagAttribute; import org.apache.struts2.views.annotations.StrutsTagSkipInheritance; import com.opensymphony.xwork2.util.ValueStack; /** * AbstractRemoteCallUIBean is superclass for all components dealing with remote * calls. */ public abstract class AbstractRemoteBean extends ClosingUIBean implements RemoteBean { final private static transient Random RANDOM = new Random(); protected String href; protected String errorText; protected String executeScripts; protected String loadingText; protected String listenTopics; protected String handler; protected String formId; protected String formFilter; protected String notifyTopics; protected String showErrorTransportText; protected String indicator; protected String showLoadingText; protected String beforeNotifyTopics; protected String afterNotifyTopics; protected String errorNotifyTopics; protected String highlightColor; protected String highlightDuration; protected String separateScripts; protected String transport; protected String parseContent; public AbstractRemoteBean(ValueStack stack, HttpServletRequest request, HttpServletResponse response) { super(stack, request, response); } public void evaluateExtraParams() { super.evaluateExtraParams(); if (href != null) addParameter("href", findString(href)); if (errorText != null) addParameter("errorText", findString(errorText)); if (loadingText != null) addParameter("loadingText", findString(loadingText)); if (executeScripts != null) addParameter("executeScripts", findValue(executeScripts, Boolean.class)); if (listenTopics != null) addParameter("listenTopics", findValue(listenTopics, String.class)); if (notifyTopics != null) addParameter("notifyTopics", findValue(notifyTopics, String.class)); if (handler != null) addParameter("handler", findString(handler)); if (formId != null) addParameter("formId", findString(formId)); if (formFilter != null) addParameter("formFilter", findString(formFilter)); if (indicator != null) addParameter("indicator", findString(indicator)); if (showErrorTransportText != null) addParameter("showErrorTransportText", findValue(showErrorTransportText, Boolean.class)); else addParameter("showErrorTransportText", true); if (showLoadingText != null) addParameter("showLoadingText", findString(showLoadingText)); if (beforeNotifyTopics != null) addParameter("beforeNotifyTopics", findString(beforeNotifyTopics)); if (afterNotifyTopics != null) addParameter("afterNotifyTopics", findString(afterNotifyTopics)); if (errorNotifyTopics != null) addParameter("errorNotifyTopics", findString(errorNotifyTopics)); if (highlightColor != null) addParameter("highlightColor", findString(highlightColor)); if (highlightDuration != null) addParameter("highlightDuration", findString(highlightDuration)); if (separateScripts != null) addParameter("separateScripts", findValue(separateScripts, Boolean.class)); if (transport != null) addParameter("transport", findString(transport)); if (parseContent != null) addParameter("parseContent", findValue(parseContent, Boolean.class)); else addParameter("parseContent", true); // generate a random ID if not explicitly set and not parsing the content Boolean parseContent = (Boolean)stack.getContext().get(Head.PARSE_CONTENT); boolean generateId = (parseContent != null ? !parseContent : true); addParameter("pushId", generateId); if ((this.id == null || this.id.length() == 0) && generateId) { // resolves Math.abs(Integer.MIN_VALUE) issue reported by FindBugs // http://findbugs.sourceforge.net/bugDescriptions.html#RV_ABSOLUTE_VALUE_OF_RANDOM_INT int nextInt = RANDOM.nextInt(); nextInt = nextInt == Integer.MIN_VALUE ? Integer.MAX_VALUE : Math.abs(nextInt); this.id = "widget_" + String.valueOf(nextInt); addParameter("id", this.id); } } @Override @StrutsTagSkipInheritance public void setTheme(String theme) { super.setTheme(theme); } @Override public String getTheme() { return "ajax"; } @StrutsTagAttribute(description="Topic that will trigger the remote call") public void setListenTopics(String listenTopics) { this.listenTopics = listenTopics; } @StrutsTagAttribute(description="The URL to call to obtain the content. Note: If used with ajax context, the value must be set as an url tag value.") public void setHref(String href) { this.href = href; } @StrutsTagAttribute(description="The text to display to the user if the is an error fetching the content") public void setErrorText(String errorText) { this.errorText = errorText; } @StrutsTagAttribute(description="Javascript code in the fetched content will be executed", type="Boolean", defaultValue="false") public void setExecuteScripts(String executeScripts) { this.executeScripts = executeScripts; } @StrutsTagAttribute(description="Text to be shown while content is being fetched", defaultValue="Loading...") public void setLoadingText(String loadingText) { this.loadingText = loadingText; } @StrutsTagAttribute(description="Javascript function name that will make the request") public void setHandler(String handler) { this.handler = handler; } @StrutsTagAttribute(description="Function name used to filter the fields of the form.") public void setFormFilter(String formFilter) { this.formFilter = formFilter; } @StrutsTagAttribute(description="Form id whose fields will be serialized and passed as parameters") public void setFormId(String formId) { this.formId = formId; } @StrutsTagAttribute(description="Comma delimmited list of topics that will published before and after the request, and on errors") public void setNotifyTopics(String notifyTopics) { this.notifyTopics = notifyTopics; } @StrutsTagAttribute(description="Set whether errors will be shown or not", type="Boolean", defaultValue="true") public void setShowErrorTransportText(String showError) { this.showErrorTransportText = showError; } @StrutsTagAttribute(description="Id of element that will be shown while making request") public void setIndicator(String indicator) { this.indicator = indicator; } @StrutsTagAttribute(description="Show loading text on targets", type="Boolean", defaultValue="false") public void setShowLoadingText(String showLoadingText) { this.showLoadingText = showLoadingText; } @StrutsTagAttribute(description="The css class to use for element") public void setCssClass(String cssClass) { super.setCssClass(cssClass); } @StrutsTagAttribute(description="The css style to use for element") public void setCssStyle(String cssStyle) { super.setCssStyle(cssStyle); } @StrutsTagAttribute(description="The id to use for the element") public void setId(String id) { super.setId(id); } @StrutsTagAttribute(description="The name to set for element") public void setName(String name) { super.setName(name); } @StrutsTagAttribute(description="Comma delimmited list of topics that will published after the request(if the request succeeds)") public void setAfterNotifyTopics(String afterNotifyTopics) { this.afterNotifyTopics = afterNotifyTopics; } @StrutsTagAttribute(description="Comma delimmited list of topics that will published before the request") public void setBeforeNotifyTopics(String beforeNotifyTopics) { this.beforeNotifyTopics = beforeNotifyTopics; } @StrutsTagAttribute(description="Comma delimmited list of topics that will published after the request(if the request fails)") public void setErrorNotifyTopics(String errorNotifyTopics) { this.errorNotifyTopics = errorNotifyTopics; } @StrutsTagAttribute(description = "Color used to perform a highlight effect on the elements specified in the 'targets' attribute", defaultValue = "none") public void setHighlightColor(String highlightColor) { this.highlightColor = highlightColor; } @StrutsTagAttribute(description = "Duration of highlight effect in milliseconds. Only valid if 'highlightColor' attribute is set", defaultValue = "2000", type="Integer") public void setHighlightDuration(String highlightDuration) { this.highlightDuration = highlightDuration; } @StrutsTagAttribute(description="Run scripts in a separate scope, unique for each tag", defaultValue="true") public void setSeparateScripts(String separateScripts) { this.separateScripts = separateScripts; } @StrutsTagAttribute(description="Transport used by Dojo to make the request", defaultValue="XMLHTTPTransport") public void setTransport(String transport) { this.transport = transport; } @StrutsTagAttribute(description="Parse returned HTML for Dojo widgets", defaultValue="true", type="Boolean") public void setParseContent(String parseContent) { this.parseContent = parseContent; } }