| // Copyright 2008, 2009, 2010 The Apache Software Foundation |
| // |
| // 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.apache.tapestry5.corelib.components; |
| |
| import java.util.List; |
| |
| import org.apache.tapestry5.annotations.Environmental; |
| import org.apache.tapestry5.annotations.Import; |
| import org.apache.tapestry5.annotations.Parameter; |
| import org.apache.tapestry5.annotations.Property; |
| import org.apache.tapestry5.ioc.annotations.Inject; |
| import org.apache.tapestry5.ioc.annotations.Primary; |
| import org.apache.tapestry5.ioc.services.ExceptionAnalysis; |
| import org.apache.tapestry5.ioc.services.ExceptionAnalyzer; |
| import org.apache.tapestry5.ioc.services.ExceptionInfo; |
| import org.apache.tapestry5.services.StackTraceElementAnalyzer; |
| import org.apache.tapestry5.services.StackTraceElementClassConstants; |
| import org.apache.tapestry5.services.javascript.JavaScriptSupport; |
| |
| /** |
| * Integral part of the default {@link org.apache.tapestry5.corelib.pages.ExceptionReport} page used to break apart and |
| * display the properties of the exception. |
| * |
| * @see org.apache.tapestry5.ioc.services.ExceptionAnalyzer |
| */ |
| @Import(library = "exceptiondisplay.js") |
| public class ExceptionDisplay |
| { |
| /** |
| * Exception to report. |
| */ |
| @Parameter(required = true, allowNull = false) |
| private Throwable exception; |
| |
| @Inject |
| private ExceptionAnalyzer analyzer; |
| |
| @Property |
| private ExceptionInfo info; |
| |
| @Property |
| private String propertyName; |
| |
| @Property |
| private StackTraceElement frame; |
| |
| @Property |
| private List<ExceptionInfo> stack; |
| |
| @Environmental |
| private JavaScriptSupport jsSupport; |
| |
| @Property |
| private String toggleId; |
| |
| private boolean sawDoFilter; |
| |
| @Inject |
| @Primary |
| private StackTraceElementAnalyzer frameAnalyzer; |
| |
| void setupRender() |
| { |
| ExceptionAnalysis analysis = analyzer.analyze(exception); |
| |
| stack = analysis.getExceptionInfos(); |
| |
| toggleId = jsSupport.allocateClientId("toggleStack"); |
| } |
| |
| public boolean getShowPropertyList() |
| { |
| // True if either is non-empty |
| |
| return !(info.getPropertyNames().isEmpty() && info.getStackTrace().isEmpty()); |
| } |
| |
| public Object getPropertyValue() |
| { |
| return info.getProperty(propertyName); |
| } |
| |
| public String getFrameClass() |
| { |
| if (sawDoFilter) |
| return StackTraceElementClassConstants.OMITTED; |
| |
| String result = frameAnalyzer.classForFrame(frame); |
| |
| sawDoFilter |= frame.getMethodName().equals("doFilter"); |
| |
| return result; |
| } |
| |
| void afterRender() |
| { |
| jsSupport.addScript("Tapestry.stackFrameToggle('%s');", toggleId); |
| } |
| } |