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 com.googlecode.jsfFlex.component; import javax.faces.component.FacesComponent; import javax.faces.context.FacesContext; import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFComponent; import com.googlecode.jsfFlex.attributes.IFlexUIHtmlTextAttribute; import com.googlecode.jsfFlex.attributes.IFlexUITextBindingAttribute; /** * This class will process the needed actions of setting and retrieving of "htmlText" attribute<br> * within the Flex components. Note that since this class invokes the super method of populateComponentInitValues<br> * it will also set and retrieve values of "text" attribute of the component [if it exists].<br> * * @author Ji Hoon Kim */ @JSFComponent(clazz = "com.googlecode.jsfFlex.component.FlexUIHtmlTextInputBase", type = "com.googlecode.jsfFlex.FlexUIHtmlTextInputBase", family = "javax.faces.FlexUIHtmlTextInputBase", desc = "Base component for FlexInput components that contain htmlText attribute", template = true) @FacesComponent("com.googlecode.jsfFlex.FlexUIHtmlTextInputBase") public abstract class AbstractFlexUIHtmlTextInputBase extends com.googlecode.jsfFlex.component.FlexUITextInputBase implements IFlexUIHtmlTextAttribute, IFlexUITextBindingAttribute { private final static org.apache.commons.logging.Log _log = org.apache.commons.logging.LogFactory .getLog(FlexUIHtmlTextInputBase.class); private static final String HTML_TEXT_ATTR = "htmlText"; private static final String HTML_TEXT_ID_APPENDED = "_htmlText"; private org.json.JSONObject initValue; @Override protected void populateComponentInitValues() { try { if (getTextBinding().equals(HTML_TEXT_ATTR) && getHtmlText() != null) { getInitValue().put(VALUE, com.googlecode.jsfFlex.shared.util.FlexJsfUtil.escapeCharacters(getHtmlText())); } else { super.populateComponentInitValues(); } } catch (org.json.JSONException jsonException) { _log.info("Error while formatting to JSON content", jsonException); } } private synchronized org.json.JSONObject getInitValue() { if (initValue == null) { try { initValue = new org.json.JSONObject(); initValue.put(ATTRIBUTE, HTML_TEXT_ATTR); _initValues.put(initValue); } catch (org.json.JSONException jsonException) { _log.info("Error while formatting to JSON content", jsonException); } } return initValue; } @Override public void decode(FacesContext context) { super.decode(context); java.util.Map<String, String> requestMap = context.getExternalContext().getRequestParameterMap(); /* * since there exists two possible returned values [text and htmlText], * the attribute will be appended to the id [i.e. id_text and id_htmlText] */ String htmlTextId = getId() + HTML_TEXT_ID_APPENDED; String htmlTextUpdateVal = requestMap.get(htmlTextId); if (htmlTextUpdateVal != null) { setHtmlText(htmlTextUpdateVal); } if (getTextBinding().equals(HTML_TEXT_ATTR)) { setSubmittedValue(getHtmlText()); } } @Override public void processUpdates(FacesContext context) { super.processUpdates(context); if (!isRendered() || !isValid()) { return; } javax.el.ValueExpression ve = getValueExpression(HTML_TEXT_ATTR); if (ve != null && !ve.isReadOnly(context.getELContext())) { ve.setValue(context.getELContext(), getHtmlText()); setHtmlText(null); } } }