All Downloads are FREE. Search and download functionalities are using the official Maven repository.
Please wait. This can take some minutes ...
Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.primefaces.component.terminal.TerminalRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* 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
*
* 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.primefaces.component.terminal;
import java.io.IOException;
import java.util.Arrays;
import javax.el.MethodExpression;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.WidgetBuilder;
public class TerminalRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Terminal terminal = (Terminal) component;
if(terminal.isCommandRequest()) {
handleCommand(context, terminal);
}
else {
encodeMarkup(context, terminal);
encodeScript(context, terminal);
}
}
protected void encodeMarkup(FacesContext context, Terminal terminal) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = terminal.getClientId(context);
String style = terminal.getStyle();
String styleClass = terminal.getStyleClass();
styleClass = (styleClass == null) ? Terminal.CONTAINER_CLASS : Terminal.CONTAINER_CLASS + " " + styleClass;
String welcomeMessage = terminal.getWelcomeMessage();
String inputId = clientId + "_input";
writer.startElement("div", terminal);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if(style != null) {
writer.writeAttribute("style", style, "style");
}
if(welcomeMessage != null) {
writer.startElement("div", null);
writer.writeText(welcomeMessage, null);
writer.endElement("div");
}
writer.startElement("div", null);
writer.writeAttribute("class", Terminal.CONTENT_CLASS, null);
writer.endElement("div");
writer.startElement("div", null);
writer.startElement("span", null);
writer.writeAttribute("class", Terminal.PROMPT_CLASS, null);
writer.writeText(terminal.getPrompt(), null);
writer.endElement("span");
writer.startElement("input", null);
writer.writeAttribute("id", inputId, null);
writer.writeAttribute("name", inputId, null);
writer.writeAttribute("type", "text", null);
writer.writeAttribute("autocomplete", "off", null);
writer.writeAttribute("class", Terminal.INPUT_CLASS, null);
writer.endElement("input");
writer.endElement("div");
writer.endElement("div");
}
protected void encodeScript(FacesContext context, Terminal terminal) throws IOException {
String clientId = terminal.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("Terminal", terminal.resolveWidgetVar(), clientId);
wb.finish();
}
protected void handleCommand(FacesContext context, Terminal terminal) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = terminal.getClientId(context);
String value = context.getExternalContext().getRequestParameterMap().get(clientId + "_input");
String tokens[] = value.split(" ");
String command = tokens[0];
String[] args = Arrays.copyOfRange(tokens, 1, tokens.length);
MethodExpression commandHandler = terminal.getCommandHandler();
String result = (String) commandHandler.invoke(context.getELContext(), new Object[]{command, args});
writer.write(result);
}
}