| // Copyright 2008-2013 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 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 java.util.List; |
| |
| /** |
| * Integral part of the default {@link org.apache.tapestry5.corelib.pages.ExceptionReport} page used to break apart and |
| * display the properties of the exception. |
| * |
| * @tapestrydoc |
| * @see org.apache.tapestry5.ioc.services.ExceptionAnalyzer |
| */ |
| @Import(stylesheet = "ExceptionDisplay.css", module = "t5/core/exception-display") |
| 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; |
| |
| private boolean sawDoFilter; |
| |
| @Inject |
| @Primary |
| private StackTraceElementAnalyzer frameAnalyzer; |
| |
| void setupRender() |
| { |
| ExceptionAnalysis analysis = analyzer.analyze(exception); |
| |
| stack = analysis.getExceptionInfos(); |
| } |
| |
| 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; |
| } |
| |
| public Object getLineNumberForFrame() |
| { |
| if (frame.getLineNumber() < 1) |
| { |
| return ""; |
| } |
| |
| return frame.getLineNumber(); |
| } |
| |
| public String getFramePackageName() |
| { |
| return splitClass()[0]; |
| } |
| |
| public String getFrameClassName() |
| { |
| return splitClass()[1]; |
| } |
| |
| private String[] splitClass() |
| { |
| String name = frame.getClassName(); |
| |
| int dotx = name.lastIndexOf('.'); |
| |
| // For generated classes in root package: |
| if (dotx < 0) |
| { |
| return new String[]{"", name}; |
| } |
| |
| // For normal classes: |
| |
| return new String[]{ |
| name.substring(0, dotx), |
| name.substring(dotx) |
| }; |
| } |
| } |
| |