| /* |
| * 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.myfaces.extensions.scripting.components; |
| |
| import org.apache.myfaces.extensions.scripting.api.CompilationResult; |
| import org.apache.myfaces.extensions.scripting.api.ScriptingConst; |
| import org.apache.myfaces.extensions.scripting.core.util.StringUtils; |
| import org.apache.myfaces.extensions.scripting.core.util.WeavingContext; |
| |
| import javax.faces.component.UIComponent; |
| import javax.faces.context.FacesContext; |
| import javax.faces.context.ResponseWriter; |
| import javax.faces.render.Renderer; |
| import java.io.IOException; |
| import java.util.logging.Logger; |
| |
| /** |
| * Renderer for the compiler component |
| * <p/> |
| * This renderer is responsible for rendering the last compiler output |
| * hosted in our weavingContext |
| */ |
| @SuppressWarnings("unchecked") |
| public class CompilerComponentRenderer extends Renderer { |
| |
| @Override |
| public void encodeBegin(FacesContext context, UIComponent component) throws IOException { |
| super.encodeBegin(context, component); |
| |
| ResponseWriter responseWriter = FacesContext.getCurrentInstance().getResponseWriter(); |
| CompilerComponent compilerComp = (CompilerComponent) component; |
| |
| Integer scriptingLanguage = compilerComp.getScriptingLanguageAsInt(); |
| CompilationResult result = null; |
| switch (scriptingLanguage) { |
| case ScriptingConst.ENGINE_TYPE_JSF_JAVA: |
| result = WeavingContext.getCompilationResult(ScriptingConst.ENGINE_TYPE_JSF_JAVA); |
| break; |
| case ScriptingConst.ENGINE_TYPE_JSF_GROOVY: |
| result = WeavingContext.getCompilationResult(ScriptingConst.ENGINE_TYPE_JSF_GROOVY); |
| break; |
| case ScriptingConst.ENGINE_TYPE_JSF_ALL: |
| result = new CompilationResult(""); |
| CompilationResult tempResult = WeavingContext.getCompilationResult(ScriptingConst.ENGINE_TYPE_JSF_JAVA); |
| if (tempResult != null) { |
| copyCompilationResult(result, tempResult); |
| } |
| |
| tempResult = WeavingContext.getCompilationResult(ScriptingConst.ENGINE_TYPE_JSF_GROOVY); |
| if (tempResult != null) { |
| copyCompilationResult(result, tempResult); |
| } |
| |
| break; |
| case ScriptingConst.ENGINE_TYPE_JSF_NO_ENGINE: |
| Logger log = Logger.getLogger(this.getClass().getName()); |
| log.warning(RendererConst.WARNING_ENGINE_NOT_FOUND); |
| break; |
| } |
| |
| startDiv(component, responseWriter, RendererConst.ERROR_BOX); |
| if (result == null || (!result.hasErrors() && result.getWarnings().isEmpty())) { |
| responseWriter.write(RendererConst.NO_COMPILE_ERRORS); |
| } else { |
| writeErrorsLabel(component, responseWriter, compilerComp); |
| writeErrors(component, responseWriter, result); |
| writeWarningsLabel(component, responseWriter, compilerComp); |
| writeWarnings(component, responseWriter, result); |
| } |
| endDiv(responseWriter); |
| |
| responseWriter.flush(); |
| |
| } |
| |
| private void writeWarnings(UIComponent component, ResponseWriter responseWriter, CompilationResult result) throws IOException { |
| startDiv(component, responseWriter, RendererConst.WARNINGS); |
| for (CompilationResult.CompilationMessage msg : result.getWarnings()) { |
| startDiv(component, responseWriter, RendererConst.LINE); |
| writeDiv(component, responseWriter, RendererConst.LINE_NO, String.valueOf(msg.getLineNumber())); |
| writeDiv(component, responseWriter, RendererConst.MESSAGE, msg.getMessage()); |
| endDiv(responseWriter); |
| } |
| endDiv(responseWriter); |
| } |
| |
| private void writeWarningsLabel(UIComponent component, ResponseWriter responseWriter, CompilerComponent compilerComp) throws IOException { |
| if (!StringUtils.isBlank(compilerComp.getWarningsLabel())) { |
| startDiv(component, responseWriter, RendererConst.WARNINGS_LABEL); |
| responseWriter.write(compilerComp.getWarningsLabel()); |
| endDiv(responseWriter); |
| } |
| } |
| |
| private void writeErrors(UIComponent component, ResponseWriter responseWriter, CompilationResult result) throws IOException { |
| startDiv(component, responseWriter, RendererConst.ERRORS); |
| for (CompilationResult.CompilationMessage msg : result.getErrors()) { |
| startDiv(component, responseWriter, RendererConst.LINE); |
| writeDiv(component, responseWriter, RendererConst.LINE_NO, String.valueOf(msg.getLineNumber())); |
| writeDiv(component, responseWriter, RendererConst.MESSAGE, msg.getMessage()); |
| endDiv(responseWriter); |
| } |
| endDiv(responseWriter); |
| } |
| |
| private String writeDiv(UIComponent component, ResponseWriter responseWriter, String styleClass, String value) throws IOException { |
| startDiv(component, responseWriter, styleClass); |
| responseWriter.write(value); |
| endDiv(responseWriter); |
| return ""; |
| } |
| |
| private void endDiv(ResponseWriter responseWriter) throws IOException { |
| responseWriter.endElement(RendererConst.HTML_DIV); |
| } |
| |
| private void startDiv(UIComponent component, ResponseWriter responseWriter, String styleClass) throws IOException { |
| responseWriter.startElement(RendererConst.HTML_DIV, component); |
| responseWriter.writeAttribute(RendererConst.HTML_CLASS, styleClass, null); |
| } |
| |
| private void writeErrorsLabel(UIComponent component, ResponseWriter responseWriter, CompilerComponent compilerComp) throws IOException { |
| if (!StringUtils.isBlank(compilerComp.getErrorsLabel())) { |
| startDiv(component, responseWriter, RendererConst.ERRORS_LABEL); |
| responseWriter.write(compilerComp.getErrorsLabel()); |
| endDiv(responseWriter); |
| } |
| } |
| |
| private void copyCompilationResult(CompilationResult result, CompilationResult tempResult) { |
| result.getErrors().addAll(tempResult.getErrors()); |
| result.getWarnings().addAll(tempResult.getWarnings()); |
| } |
| } |